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 NUMBER SYSTEM, CLASS: IX

NUMBER SYSTEM

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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