Question

Q. 1 Which of the following is a mismatched pair?
A. Estrogen: Ovary
B. Adrenaline: Pituitary gland
C. Pancreas: Insulin
D. Testosterone: Testis
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Q.2 AIDS disease is caused by
A. Bacteria
B. Virus
C. Worms
D. Protozoa
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Q.3 The faulty functioning of an endocrine gland can make a person very short or the very tall .This gland is:
A. Thyroid
B. Pancreas
C. Adrenal
D. Pituitary
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Q.4 Which of the following is not a primary sexual characteristics in females?
A. Fallopian tubes
B. Ovaries
C. Seminal vesicles
D. Vagina
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Q.5 Which one of the following forces is a contact force?
A. Force of gravity
B. Magnetic force
C. Force of friction
D. Electrostatic force
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Q.6 A batsman hits the ball for a boundary past the bowler i.e. four runs. The batsman thus
A. Changes the direction & speed of the ball
B. Does not change the direction but speed only
C. Does not change the speed but direction only
D. Does not change either direction or speed
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Q.7 Gravity is:
A. Repulsive
B. Attraction + Repulsive force
C. Attractive force
D. Not a force
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Q.8 If In a tug-o-war, when two teams are pulling a rope, and the rope does not move towards any team, it implies that
A. Equal force is being applied in the same direction
B. Equal Force is being applied in opposite direction
C. No force is applied in any direction
D. Cannot be explained
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Q.9 A ball rolling on the ground slows down and finally stops. This is because of
A. Force
B. Less force applied
C. Friction
D. None of the above
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Q.10 Which of the following is proper example(s) to explain that force on an object may change its shape
A. A ball of dough rolled into chapati
B. Pressing a rubber ball kept on table
C. Making model using clay
D. All of the above
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Q.11 Which of the following scientists gave the idea of the existence of gravitational force ?
A. Newton
B. James Watt
C. Faraday
D. Einstein
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Q.12 Some mustard oil is kept in a beaker.It will exert pressure
A. Downwards only
B. Sideways only
C. Upwards only
D. In all directions
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Q.13 Which of the following is not an example of muscular force?
A. A porter carrying a load on a wheel-barrow
B. An apple falling from a tree.
C. A child riding a bicycle.
D. A person drawing water from a well.
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Q.14 Name the force which always opposes motion.
A. Frictional force
B. Muscular force
C. Magnetic force
D. Gravitational force
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Q.15 Which among the following is the change seen in girls during puberty?
A. Broader shoulders
B. Cracking of voice
C. Breast development
D. Growth of facial hair
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Q.16 Which of the following can spread AIDS?
A. Eating food with an infected person
B. Hugging an infected person
C. Transfusion of infected blood
D. Mosquito bites
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Q.17 In girls, the ovaries and eggs become mature and ovaries begin to release ovum by the process of ______.
A. Ovulation
B. Fertilisation
C. Infertilisation
D. None of these
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Answer 1

Answer:

1. B

2. B

3. D

4. C

5. C

6. A

7. C

8. B

9. C

10. D

11. A

12. D

13. C

14.A

15. C

16. C

17. A