Showing posts with label Class 9th. Show all posts
Showing posts with label Class 9th. Show all posts

OBJECTIVES OF EUCLID GEOMETRY - CLASS: IX

EUCLID GEOMETRY

FATHER OF GEOMETRY - EUCLID


MULTIPLE CHOICE QUESTIONS


1. How many straight lines can pass  through two given lines?
  a)  None       b).  Only one         c).  Two              d).  Three
2.  What is the least number of lines required to make a closed figure?
           a)  One         b) Two                  c).  Three           d)  Four
3.  Which of the following is an axiom?
           a) Theorem    b) Definitions   c)  The universal truth in all branches of Mathematics
       d) Universal truth specific to geometry
4.  How many dimension does a surface has?
           a).  One         b) Two               c)  Three              d)  Four
5.  A solid has how many dimensions?
           a).  One         b) Two               c)  Three              d) Four
6.  The figure formed by two straight lines having a common point between them is known as
           a)  Angle        b)  Triangle       c)  Rhombus          d).  Kite
7.  How many lines can passes through one common point?
           a)  One          b) Two               c).  Three             d).  Four
8.  Which of the following are boundaries of a surface?
           a)  Lines        b) Curves           c).  Surfaces        d).  Points
9. . Euclid belongs to
a) Greece                 b) Italy              c) Germany           d) Egypt
10 . The total number of propositions in the elements is?
a) 20                         b) 7                    c)13                      d) 465
11. Ram salary is equal to Mohan salary, Due to recession, the salaries of ram and Mohan are made half. The final salary of Ram will still be equal to Mohan. This is are per
a) Ist  axiom             b) 7th  axiom       c) 6th axiom          d) 2nd axiom
12 . Which of these statements are false?
a)The number of dimensions in the solid is 3
b) The number of dimensions in the surface is 2
c) The number of dimensions of a point is 1
d) None of these
13. The number of line segments determined by the three non collinear points is
a) one                          b) two                  c) three                          d) four
14. Boundaries of the solid are
a) lines                       b) points                c) surface                      d) curves
15. It is known that if p+q=11 then p+q+r=11+r. The Euclid axioms that illustrates this statement is
a) Ist axiom               b)3Th  axiom           c) 4th axiom                    d) 2nd axiom
16. which of the following is not an undefined term?
a) line            b) angle             c) plane            d) point
17. Which of the following needs a proof?
a) postulates       b) Definitions         c) Propositions         d) Axioms


True or False statement


a) In geometry, we take point, line and plane as defined term
b) Two lines drawn in a plane always intersect at a point
c) Only one line can pass through the two points X and Y
d) If two circle are equal, then there radii is also equal
e) Three points are concurrent if they have only one common point between them
f) The statements that are proved are called postulates
g) The whole is greater than the part is a postulate
h) If the area of square X equals to the area of rectangle Y and the area of rectangle Y is equal to area of circle Z,then area of square X equals to area of circle Z


MATCH THE FOLLOWING


1.                  LIST – A                                  LIST- B 
A) Who gave the proof that circle can be     1)  Brahagupta
          bisected  into two equal parts by
           its diameter 
B) Who derived the value for area of            2) Aryabatta
        isosceles triangle
C) Who derived the value for                        3) Bhaskara –II
       volume of pyramid       
D) Who  discovered the formula                   4) Thales
      for the finding the area of
       cyclic quadrilateral     
                                                                        5) Pythagoras


2.               LIST- A                                LIST-B

 P)  only one line can pass through                     1) One point
Q)  infinite number of lines can pass through     2) common
R)  two distinct lines can’t have more than
        one point in                                                  3) two point
S)  two distinct points always determines           4) a line

CODE:     P        Q           R         S

A)          1          4           3          2
B)          3          1           2          4
C)          3          2           1          4
D)          4          2           1          3

 

3.         LIST-A                LIST-B

P)   a point                         1)  has length and breadth
Q) a line                             2) has no part
R) a surface                       3) has breadthless length
S) ends of a line                4) points

CODE:         P      Q    R    S

A)                4     2     3     1
B)                2     4     3     1
C)                1     4     3     2
D)                2    3      1     4


4.              LIST-A                  LIST-B 

P) POSTULATE 1         1) A TERMINATED LINE CAN  BE PRODUCED                                                                                                     INDEFINITELY

Q) POSTULATES 2     2) ALL RIGHT ANGLES ARE EQUAL TO ONE                                                                                                      ANOTHER

R) POSTULATS 3       3) A STRAIGHT LINE MAY BE BE DRAWN FROM                                                                                            ONE POINT TO ANY OTHER POINTS

Q) POSTULATES 4      4) A CIRCLE CAN BE DRAWN WITH ANY                                                                                                           CENTRE AND RADIUS

CODE :        P    Q    R    S

A)              1     3     2    4
B)              4     3     2    1
C)              3     1     4    2
D)              3     4     1    2


FILL UPS:


1. The assumptions which are obvious universal truths is known as _________.
2. Things which are equal to the same things _________ to one another.
3. If equal are subtracted from equals, then remaining things are _______
4. Things  which are double of the same things are _____ to one another.
5. Two distinct intersecting lines cannot be ________ one anther.
6. All right angles are ________
7. The whole is greater than its ________________
8. Euclid’s is also known as ____________________
9. Point has ____________ dimensions
10. Line has ____________  dimensions
11. Surface has _________ dimensions
12. Solids has ___________ dimensions
13. Boundaries of a solid are called _____________
14. Boundaries of a surfaces are called __________
15. Lines end in ________________
16. Geometry is derived from __________ and _________ ( word)
17. Euclid was a students of ____________





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MCQ OF IMPROVEMENT IN FOOD RESOURCES, CLASS: 9TH



IMPROVEMENT IN FOOD RESOURCES


CLASS: IX

1. Which one of the following includes only macronutrients?
(A) C,N, Ca
(B) H, Fe, P
(C) O, K, Cl
(D) K, S, Zn

2. Transfer of seedling from the nurseries to the main field is termed as
(A) weeding
(B) sowing
(C) transplantation
(D) ploughing

3. The unwanted wild plants growing alonwith the crop plants are called
(A) weeds
(B) seedling
(C) minor crops
(D) grasses

4. Damp grains in storage gets heated due to
(A) infestation by insects
(B) decrease in humidity
(C) decrease in atmospheric pressure
(D) high moisture content and growth of moulds

5. Green maturing refers to
(A) add green leaves to the soil
(B) grow young and green crops of leguminous plants along with non leguminous
(C) add decomposed organic matter to soil
(D) none of these

6. Vermicomposting involves
(A) earthworm
(B) cockroach
(C) leech
(D) roundworm

7. Improved storage structures include
(A) grain silos
(B) pusa bin
(C) pusa kothar
(D) all of these

8. Weedicides among the following are
(A) 2, 4-D, nitrofen, atrazine
(B) atrazine, BHC, pyrethrum
(C) Pyrethrum, EDB, methyl bromide
(D) 2, 4-D , BHC, EDB

9. Which one of the following does not cause plant diseases?
(A) viruses
(B) Bacteria
(C) Protozoa
(D) Fungi

10. EDB is a very effective
(A) rodent bait
(B) spraying insecticide
(C) fumigant for killing insects
(D) preservative of food grains

11. The branch of  science that deal with the study of vegetable culture is called as
(A) Agriculture
(B) Horticulture
(C) Olericulture
(D) Floriculture

12. All animals are
(A) Parasitic
(B) saprophytic
(C) autotrophic
(D) heterotrophic

13. The principal cereal crop of India is
(A) wheat
(B) rice
(C) maize
(D) sorghum

14. which is the most important source of food and fodder ?
(A) Algae
(B) Fungi
(C) Lichen
(D) Cereal

15. The element which is required in largest quantity by plants is
(A) sulphur
(B) calcium
(C) phosphorus
(D) nitrogen

16. Nodules with nitrogen – fixing bacteria are present in
(A) mustard
(B) wheat
(C) gram
(D) cotton

17. Application of nitrogenous manure to a plant causes
(A) vigorous vegetative growth
(B) early flowering
(C) early
(D) growth retardation due to toxicity to NH3

18. Rotation of crops is essential for
(A) getting different kinds of crops
(B) increasing fertility of soil
(C) increasing quality of proteins
(D) increasing quality of minerals

19. The unwanted plants are known as
(A) grasses
(B) shrubs
(C) weeds
(D) fodder crops

20. Plants can be made disease resistant by
(A) breeding
(B) hormones
(C) colchicine
(D) heat

21. Murrah, Surti and Mehsana are the indigenous breeds of
(A) cows
(B) buffaloes
(C) poultry
(D) pigs

22. Inland fisheries is referred to
(A) culturing fish in fresh water
(B) deep sea fisheries
(C) extraction of oil from fishes
(D) capturing fishes from seas

23. chemical used to kill rats and moles is called as
(A) fungicide
(B) nematicide
(C) rodenticide
(D) insecticide

24. Cropping pattern involving a definite pattern of rows is called as
(A) crop rotation
(B) mixed cropping
(C) inter cropping
(D) monoculture

25. cattle food rich in one or more nutrients but lacks fibres is called as
(A) roughage
(B) concentrate
(C) sap
(D) none of these

26. IR36 and Pusa Basmati are high yielding varieties of
 (A) rice
(B) wheat
(C) maize
(D) mustard

27. Honey bee culture is called as
(A) pisciculture
(B) apiculture
(C) sericulture
(D) horticulture

28. Hybridization can be
(A) intervarietal
(B)  intergeneric 
(C)  interspecific
(D) all of these

29. The process of applying fertilizers through drip irrigation is called as
(A) strip farming
(B) fertigation
(C) fumigation
(D) none of these

30. The specific term for poultry used for meat purpose is
(A) layers
(B) broilers
(C) growers
(D)none of these


BY
ARANBIR SINGH


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MCQ OF WHY DO WE FALL ILL & NATURAL RESOURCES, CLASS: 9TH

WHY DO WE FALL ILL & NATURAL RESOURCES

Image result for WHY DO WE FALL ILL & NATURAL RESOURCES

CLASS: IX

1. Health is.
(A) Complete physical well being
(B) social well being
(C)  mental well being
(D) all of the above

2. Dislocation is a disease caused by
(A) Biological agent
(B) mechanical agent
(C) physical agent
(D) none of these

3. A carrier is a human being that
(A) functions as a reservoir of infection
(B) possesses pathogen but is not harmed
(C) contains antibodies sufficient enough to balance the antigen
(D) all of the above

4. Droplet infection is a mode of.
(A) direct transmission
(B) indirect transmission
(C)pathogen spread through mosquitoes
(D) tomite transmission

5. Specific defence mechanism against disease comprises
(A physical barrier
(B) lysozme
 (C) phagocytes
(D) immune system

6. The antigen present in pathogen is
(A) a specific protein or polysaccharide present on its coat
(B) polysaccharide synthesized by it in the host
(C)a specific protein involved in metabolism
(D) either B, or C.

7. Pathogens are destroyed by
(A) kidneys
(B) liver
(C) tonsils
(D) lymphatic tissues

8. A noninfectious unusual and Unnatural  reaction to a substance or condition is
(A) immunity
(B) allergy
(C) infection
(D) toxin

9. AlDS was first reported in.
(A) Russia
(B) France
(C) U.S.A.
(D) Germany

10. If a person has developed interferon in his body. He seems to carry infection of
(A) Tetanus
(B) Malaria
(C) Measles
(D) Typhoid

11. AIDS day.
(A) 1st May
(B) 20th December 
(C) 1st June 
(D) 1st December

12. Antibodies are.
(A) lipids
(B) genes
(C) proteins
(D) carbohydrates

13. Choose the  correct statements ?
(A) Degenerative diseases are non communicable
(B) Allergy is caused by droplet infection
(C) Cholera is a viral disease
(D) AIDS can be prevented by vaccination.

14. Remain healthy means
(A) free of infection by pathogen
(B)Living in a pollution free environment
(C) tension free mental status
(D) All of the above

15. Diseases occurring due to infected articles of a patient are called
(A) Air borne
(B) Water borne
(C) Fomite borne
(D) Food bome

16. World Health Day Is On.
(A) 1ST May
(B) 7TH April
(C) 30th June
(D) 5th December

17. Which are intimately related.
(A) Diseases and health
(B) Body and spiritual health
(C) Mind & body
(D) Body and health

18. Pulse polio programme is organised in our country for.
(A) curing polio
(B) eradicating polio
(C) spreading polio
(D) non of the above

19. Community health aims at.
(A) better health and family planning
(B) better hygiene and clean environment
(C) removing communicable diseases
(D) all of the above

20. Head quarter of work Health Organisation(WHO) is located at.
(A) New York
(B) Geneva
(C) Paris
(D) none of these

21. Soil is a part of
(A) atmosphere
(B) lithosphere
(C) hydrosphere
(D) ionosphere

22. Maximum air in which we breath is present at
(A) troposphere
B) stratosphere
C) ionosphere
D) mesosphere

23. Biogeochemical cycles are also known as
(A) sedimentary cycles
(B) gaseous cycles
(C) material cycles
(D) cycles of water

24. Which of the following is a free living nitrogen fixing bacteria present in soil ?
(A) Azotobacter
(B) Nitrosomonas
(C) Rhizobium
(D) pseudomonas

25. Carbondioxide and Oxygen gas balance in atmosphere is due to
(A) Photosynthesis
(B) respiration
(C) leaf anatomy
(D) photorespiration

26. Nitrogen fixation is
(A) Nitrogen Ammonia
(B) Nitrogen nitrates
(C) Nitrogen Amino acid
(D) Both A and B

27. Soil erosion can be prevented by
(A) deforestation
(B) afforestation
(C) overgrazing
(D) removal of vegetation

28. A renewable source of energy is
(A) petroleum
(B) coal
(C) nuclear fuel
(D) Nine of these

29. Percentage of nitrogen in air is
(A) 77.02%
(B) 78.09%
(C) 76.08%
(D) 74.09%

30. Ozone layer is present in atmosphere in
(A) troposphere
(B) stratosphere
(C) mesosphere
(D) thermosphere

31. Nodules in the roots of legume plants contain
(A) nitrogen fixing bacteria
(B) sulphur fixing bacteria
(C) potassium fixing bacteria
(D) none of the above

32. Which gas is manly responsible for the depletion of ozone layer ?
(A) oxygen
(B) CFC
(C) Nitrogen dioxide
(D) All of the above

33. Acid rain mainly contains
(A) nitric acid
(B) hydrochloric acid
(C) Sulphuric acid
 (D) both (A) and (C)

34. Plants and animals are known as
(A) biotic resources
(B) Abiotic resources
(C) machines
(D) none of these

35. Coal is an / a
(A) exhaustible resource
(B) inexhaustible resource
(C) potential resource
(D) none of these

36. Ozonosphere occurs at height of
(A) 8-10km above poles
(B) 8-10km above equator
(C) 20-26 km above the earth surface
(D) 11-16km above equator

37. Biosphere is made of
(A) living beings and their remains
(B) living beings, lithosphere, hydrosphere and atmosphere
(C) living beings and lithosphere
(D) living beings, lithosphere and hydrosphere.

38. Soil erosion can be prevented by
(A) deforestation
(B) afforestation
(C) overgrazing
(D) removal of vegetation

39. Which one of the following is renewable resource ?
(A) water
(B) Metals
(C) Fossil fuel
(D) All of these

40. Which gas is responsible for the global warming
(A) Oxygen
(B) Nitrogen
(C) Hydrogen 
(D) Carbondioxide


BY
ARANBIR SINGH


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MCQ OF NUMBER SYSTEM, CLASS: IX

NUMBER SYSTEM

Image result for father of mathematics

ARCHIMEDES - FATHER OF MATHEMATICS


FILL  UPS:

1. There are _______________ rational numbers between two rational numbers.
2. If m is natural numbers & 4<m<9,  then √m  is a/an ______________ numbers.
3. Decimal expansion of irrational number are _____________   and __________
4. Non-terminating and repeating decimal expansion is a/an_______________ numbers.
5. A rational number of the form p/q, where p, q∈Z and H.C.F(p,q) is _____________
6. 55 * 52 + 5 = _________
7. Log(mn) = log __ + log __
8. Log100 = ______
9. loga = _____
10. Every ________ number is a whole number.
11. All counting number together with 0 constitute a set of  ___________ number.
12. The two rational number which are their own multiplicative inverses are  ________
13. Decimal form of irrational number are neither ______________ nor ____________
14. If a and b are two positive rational numbers, then √((a+b)/2) is __________ number.
         p/q: q≠0, then p and q are  _________________
15. The greatest amongest ∛(4,) ∜5&∜3 is _________________
16. ____________ known as the father of mathematics.
17. ____________ known as the father of modern mathematics.
18. Decimal expansion of Rational number is either ___________ or _________ & _________


TRUE OR FALSE:

1. Every whole number is natural number.
2. Multiplcative inverse of 2/3 is -2/3
3. Every natural number is a whole number
4. Every integer is a whole number
5. Some whole number is an integer
6. Every whole number is an integer
7. Every real number is a rational number
8. Every rational number is a rational number
9. Some rational number is a rational number
10. Some whole number is a natural number
11. Every irrational number is a whole number
12. Irrational and real number together form rational number
13. Natural number together with zero a whole number
14. Between every two rational number their exist infinite number
15. Between two rational number their finite irrational number
16. Terminating or non-terminating but recurring is a rational number
17. The sum of an irrational number and non-zero rational number is always an irrational numbers.
18. 2& 5 are twin prime number
19. Zero is even number
20. Square of every real number is positive number.


MULTIPLE CHOICE QUESTIONS


1. which of the following are co-prime numbers
              (a)   2, 3           (b)   2, 4          (c)   2, 8          (d)   2, 12

       2. A rational number equivalent to 5/7  is
    (a) 18/17    (b)  28/27        (c) 10/14          (d)   10/27


        3. An example of a whole number is
             (a)   0      (b)  -1/2            (c)   11/5         (d)   –7

      4. Given a rational number -5/9. This rational number can also be known as
             (a)   a natural number     (b)   positive integers      (c)   a fraction    (d)   a real number

       5. The rational number 0.3333……can also be written as
             (a)   0.3                (b)  3/10              (c)   0.33                  (d)   1/3      e) None of these

       6. If the decimal form of a number is non-terminating, non-repeating then the number is
      (a)   a natural number                             (b)   a rational number                                                               (c)   a whole number                               (d)   an irrational number          (e) none of these
 
7.  Select the following number whose square root  is rational
           (a)   7           (b)   1.96         (c)   0.04           (d)   13           e) 12.1

8. The number 1.101001000100001... is
               (a)   a natural number                              (b)   a whole number
                (c)   a rational number                              (d)   an irrational number
9. The number 1.200200200200002... is
               (a)   a natural number                              (b)   a whole number
             (c)   a rational number                             (d)   an irrational number

         10 . Decimal expansion of irrational number is
                a)  Recurring     b) Terminating        c) Terminating and recurring         d) none of these

     11. Decimal expansions of rational number is
                a) terminating                                         b) repeating
                c) non-terminating but recurring             d) all of these

     12. Unit digit of 824 is
               a) 8             b) 4              c) 0          d) 1               e) none of these

     13. which of the following has terminating decimal expansions
               a) 1/3         b) 5/6            c) 7/2           d) 2/15

      14.  The 100 root of (10)^(10)^(10)is
             a) 10^(8^10 )                    b) 10^(10^8 )          c)(√10)^((√10)^10 )        d) 10^(√10^(√10) )

      15. which of the following can be written as p/q
               a) 0.195195……    b) 0.10100……      c)  0.23452346……….    d) 0.5656566……

      16. How many irrational number between 1/3 & 1/7 is :
               a) one               b) two                c) three          d) not defined           e) none of these

      17. The product of √3& ∛5is:
                a) √(6&375)             b) √(6&575)                c)√(6&475)                d) √(6&675)

       18. Which of the following  a rationalization factor of √450
               a) √3               b) √5                        c)√2                           d) None of these

       19. Which of the following numbers does not lies between 3/5 and 4/5
              a) 2/3              b) 7/10                     c) 11/15                       d) None of these

      20. If a and b are integers with a >b. The  integers lies between a and b is
           a) a - b                 b) a – b - 1              c) a – b + 1                   d) none of these

      21. The unit digit of 22.33.44 is
           a) 4                b) 2             c) 8              d) 1         e) None of these

      22. The unit digit of 7735 is
           a) 7                       b) 9                         c) 1                              d) None of these

       23. √x√y=√(xy)  is true when
          a)  x>0,y>0            b) x>0,y<0           c)x<0,y>0         d) All of these

      24. A rational number between √3&√5 is:
           a)(√3+√5)/2                    b) (√3*√5)/2                   c) 1.5                    d) None of these





BY
ARANBIR SINGH

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MCQ OF CELL AND TISSUE PART - B, CLASS: IX

CELL AND TISSUE PAT - B, 

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CLASS: IX

1. The entire body surface and cavities inside the body are lined by
(A) muscle tissue (B) epithelial tissue (C)connective tissue (D) nervous tissue (E) none of these

2. Which one of the following is a fluid connective tissue ?
(A)Areolar tissue (B) cartilage (C) Blood (D) Ligaments

3. The tissue that attaches muscles to the bones is
(A) cartilage (B) tendon (C) ligament (D) blood

4. The tissue that joins one bone to the other is
(A) ligament (B) tendon (C) blood (D) ) cartilage

5. Areolar tissue is a
(A) nervous tissue (B) muscular tissue (C) connective tissue (D) epithelial tissue

6. Tendon is a structure which connects
(A) a bone with another bone  (B) a muscle with a bone (C) a never with a muscle (D) a muscle with a muscle

7. Fluid part of blood after removal of corpuscles is
(A) plasma (B) lymph (C) serum (D) vaccine

8. Which of the following structures joins skeletal muscle to bone ?
(A)Ligament (B)Tendon (C)Blood (D) Bone

9. Yellow muscle fibers are also called as31
(A) bone (B) muscle (C) ligament (D) none of these

10. Ligament joins
(A) bone the muscle (B) muscle to muscle (C) bone to bone (D) none of these

11. The entire body surface and cavities inside the body are lined by
(A) nervous tissue (B) epithelial tissue (C)muscle tissue (D) none of these

12. Which one of the following is a fluid connective tissue ?
(A)Areolar tissue (B) cartilage (C) Blood (D) Ligaments

13. The tissue that attaches muscles to the bones is
(A) cartilage (B) tendon (C) ligament (D) blood

14. The tissue that joins one bone to the other is
(A) ligament (B) tendon (C) blood (D) ) cartilage

15. Areolar tissue is a
(A) nervous tissue (B) muscular tissue (C) connective tissue (D) epithelial tissue

16. Tendon is a structure which connects
(A) a bone with another bone (B) a never with a muscles
(C)  a muscle with a bone (D) a muscle with a muscle

17. Fluid part of blood after removal of corpuscles is
(A) plasma (B) lymph (C) serum (D) vaccine

18. Which of the following structures joins skeletal muscle to bone ?
(A)Ligament (B)Tendon (C)Blood (D) Bone

19. Yellow muscle fibers are also called as31
(A) bone (B) muscle (C) ligament (D) none of these

20. Ligament joins
(A) bone the muscle (B) muscle to muscle (C) bone to bone (D) none of these

21. Contraction and relaxation are unique features of
(A) epithelial tissue (B) connective tissue (C) muscle tissue (D) none of these

22. The tissue which is under the control of animal’s will is
(A) cardiac muscle (B) striated muscle (C) non-striated muscle (D) cartilage

23. The muscle which work throughout life without undergoing fatigue is
(A) striated muscle (B) non-striated muscle (C) ) cardiac muscle (D) all of the above (E) none of these

24. Which of the following is a voluntary muscle ?
(A) striated muscle (B) Unstriated muscle (C) ) cardiac muscle (D) (A) and(B)

25. Wall of urinary bladder consists of
(A) striated muscle (B) Unstriated muscle (C) both (A) and (B)   (D) none of these

26. Intercalated discs are present in
(A) striated muscle (B) Unstriated muscle (C) ) cardiac muscle (D) all of the above (E) none of these

27. The function unit of nervous tissue is called as
(A) cyton (B) synapse (C) neuron (D) axon

28. Which type of tissue forms spinal cord and brain ?
(A) muscle tissue (B) Nervous tissue (C) epithelial tissue (D) Epidermis

29. Involuntary tissue forms wall of which of the following organ ?
(A) intestine (B) stomach (C) bronchi (D) all of the above

30. Movements in body are brought about by
(A) muscle tissue (B) epithelial tissue
(C) Bones (D) tendons and ligaments

31. Classification reflecting the evolutionary interrelationships of organisms is called
(A) Phylogenetic classification (B) artificial classification
(C) Natural classification (D) numerical classification

32. Principles and rules of classification are studied under
(A) systematics (B)natural classification (C) nomenclature (D) taxonomy

33. Two kingdom classification was given by
(A) Linnaeus (B) Haeckel (C) ) Copeland (D) Whittaker

34. Three kingdom classification was proposed by
(A) Linnaeus (B) Haeckel (C) ) Whittaker (D) Lamarck
 41
35. Five kingdom Whittaker was proposed by
(A) Linnaeus (B) ) Whittaker (C) john Ray (D) Lamarck

36. Thallophyta includes
(A) fungi and bacteria (B) algae, fungi, animals and lichens
(C) Algae, fungi and lichens (D) algae and fungi

37. Flowering plants are included under
(A) cryptogams (B) phanerogams (C) bryophytes (D) pteridophytes

38. Which of the following has an embryo but lacks vascular tissue ?
(A) Bryophyta (B) Pteridophyta
(C) Gymnosperms (D) angiosperms

39. Algae are characterized by (or) algae differ from bryophytes in
(A) aquatic habit (B) Thalloid plant body
(C) Pyrenoids (D) unicelled sex organs

40. The most primitive vascular plants are –
(A) bryophytes (B) pteridophytes
(C) Gymnosperms (D) angiosperms

41. Identification, nomenclature and
Classification of organisms is called
(A) Morphology (B) Ecology (C) Taxonomy (D) Phytogeography

42. Who is know as father of taxonomy?
(A) Mendel (B) Linnaeus (C) Drawing (D) Crick

43. Binomial nomenclature was introduced by
(A) John Ray (B) A.P. de Candolle (C) A.L.de Jussen (D) Carolus Linnaeus

44. The basic unit of classification is
(A) Variety (B) species (C) genus (D) family

45. A group of freely interbreeding organisms constitutes a
(A) species (B) genera (C) family (D) class

46. According to binomial nomenclature, the scientific name of an organism must
consists of two words. these are
(A) species and tribe (B) genus and species (C) order and family (D) genus and family

47. Which taxonomic term may be substituted for any rank in the classification?
(A) class (B) Geuns (C) Species (D) Taxon

48. Cryptogams include
(A) thallophytes (B) bryophytes (C) pteridophytes (D) all of the above

49. Algae are characterized by
(A) Pyrenoids (B) aquatic habital (C) unicellular sex organs (D) all of the above

50. In Whittaker’s classification, unicellular organisms are grouped under
(A) protista (B) porifera (C) fungi (D) protozoa


BY
ARANBIR SINGH

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TRIANGLE OBJECTIVE


           TRIANGLE - 1

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ARYABHAT FATHER OF INDIAN MATHEMATICS

FILL IN THE BLANKS:
1. A triangle having all the three sides of equal length is known as .....................

2. A triangle having two sides of equal length is known as ..........................

3. A triangle having three sides of different length is known as ....................

4. A triangle whose all angles are acute angle is called ............................

5. A triangle whose one angle is obtuse angle is called ............................

6. A triangle whose one angle is right angle is called.................................

7. The sum of all interior angles of triangle is ............................

8. The sum of all exterior angles of triangles is ........................

9. Area of triangle = ....................

10. Triangle is derived from two word ................ and ..............which means ...........
       
11.      The angle opposite to equal side of a triangle are  ………………………...

12.      Sum of the angles of quadrilateral is equal to …………….  right angles .

13.      Two circles are said to be congruent if they have same ………………

14.      Sum of any two side of a triangle is always greater than the ………. third side.

15.      In right ∆ PQR and ABC, if the hypotenuse PR = AC and side PQ = AB, then  ∆ RPQ 
 ……………

16.      Two geometrical figures are congruent if they have exactly the same ……… and ………..

17.      Two triangles are congruent if and only if their corresponding …………..  and the corresponding angles are …………………

18.   If two sides and the ……………. angle of one are equal to  the corresponding sides and the ………… angle of other triangle, then two triangles are congruent

19.   A triangle is …………………. iff any two altitudes are equal.

20.  The medians of an equilateral triangle are ……………………….

21.   Median is also called …………….  in equilateral triangles

22.  Triangle is formed by joining three  ……………………………………………….. points.

23.   A point where two sides of a triangle meet is known as ………………of a triangle.

24.   Every angle of an equilateral triangle is of …………………………………………..measure.

25.   A ……………………………….. triangle has one angle of 90°.

26.   A triangle has …………………………. vertices and…………………………………………sides.

27.   In an …………….. triangle, the remaining two angles are acute

28.   The sum of the measure of all three interior angles of a triangle is ………………………..

29.   A triangle whose two angles are equal is known as ……….…triangle.




MULTIPLE CHOICE QUESTIONS:



1. Two congruent figure have same :
a). Shape    
b). Size     
c). Color   
d). Both a and b

2. Two figures are said to be similar if they have same :
a). Shape    
b). Size    
c). Color      
d). Both a and b

3. Which of the following is not a congruency rule
a). ASA   
b). SSA    
c). RHS   
d) AAA 

4. Choose the correct statement
     (a) a triangle has two right angles
     (b) all the angles of a triangle are less than 60°
     (c) centroid is the point of intersection of medians
     (d) None of these

5. If ΔABC is congruent to ΔPQR by SSS congruence rule, then:
      (a) ∠C < ∠R                            
      (b) ∠B < ∠Q
      (c) ∠A < ∠P
      (d) ∠A = ∠P, ∠B = ∠Q, ∠C = ∠R

6.   In isosceles triangle ACD and ADB , the congruency rule used in proving ∠ACD ≌ ∠ADB is
(a) ASA                             
         (b) SSS
        (c) AAS                             
       (d) RHS                                                                  
    
7.   In the given figure, find PM

                                                                                   
      (a) 3 cm                              
      (b) 5 cm
      (c) 4 cm                             
      (d) 2 cm

8. In isosceles triangle ABC, AD is the median then ∠BAD is
                                                                                     
          (a) 35°                                
         (b) 70°
         (c) 110°                              
         (d) 55°

9. Which is not a criterion for congruence of triangles ?
(a) SSA                         
(b) SAS                           
(c) ASA                  
(d)  SSS

10. The sum of altitudes of a triangles is ________ than the perimeter of the triangle
(a) Greater                  
(b) equal                    
(c) half                        
(d) less

11. If one angle of a triangle is equal to the sum of other two angles, then triangles is ___
(a) Acute triangles                                         
(b) right triangles                                                
(c) obtuse triangles                                   
(d) none of these

12. The centroid is the intersection of three ___________ of a triangles
(a) Altitudes                                                   
(b) Medians                                               
(c) Angles bisectors                                 
(d) Perpendicular bisectors

13. The incentre is the intersection of three ___________ of a triangles
(a).Altitudes                                               
(b) Medians                                                         
(c) Angles bisectors                                   
(d) Perpendicular bisectors

14. The orthocentre is the intersection of three ___________ of a triangles
             (a).Altitudes                                               
             (b) Medians                                                          
             (c) Angles bisectors                                               
             (d) Perpendicular bisectors

15. The circumcentre is the intersection of three ___________ of a triangles
(a).Altitudes                                                                   
(b) Medians                                         
(c) Angles bisectors                                                       
(d) Perpendicular bisectors

16. Euler’s line of triangles is the lines which passes through _______________
(a) Orthocenter               
(b) circumcentre           
(c) centroids           
(d) all of these

17. What type of triangle is Δ ABC, where ∠B = ∠C = 71°? 
(a) Equilateral        
(b) Isosceles     
(c) Scalene         
(d) acute

18. What is a triangle that contains no right angle called?
(a) Right      
(b) Oblique     
(c) Opaque            
(d) none of these


TRUE OR FALSE:


1. Every similar figure is congruent.

2. Every congruent figure is similar.

3. Every ATM cards are congruent.

4. Every ATM cards are similar.

5. Every ten rupee coin are congruent.

6. Triangle is a closed figure.

7. Triangle is a type of polygon. 

8 If any two angles and a non-included side of one triangle are equal to the corresponding angles            and side of another triangle respectively, then the two triangles are not congruent………………

9. Angles opposite to two equal sides of a triangle are unequal………………………

10. The sum of any two sides of a triangle is equal to its third side………………….

11. Difference of any two sides of a triangle is greater than the third side…………...

12. An obtuse triangle may be an equilateral triangles……………………….

13. Scalene triangle cannot be an acute- angled triangle ……………………

14. An isosceles triangle may be a right angled triangle…………………...

15. The angles of a triangle are in the ratio 2 : 1 : 3, then triangles is a right angled      triangles………………….


Match The Following     


 1. Traiangle ABC congruence QRP, 
      
     Match the corresponding parts.

                     List- A                                                           List – B
      P)           AB                                                            1)   Angle Q 

      Q)          BC                                                             2)   QP
    
      R)          AC                                                             3)   QR

      S)           Angle A                                                    4)   RP


Code:
             P            Q            R             S

a)      1             2             3              4
b)      1             2             4              3
c)      3             4             2              1
d)     2             3             1              4

BY 
ARANBIR SINGH
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