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Question 1 of 30
1. Question
Assertion: Brain is a delicate organ which is protected from injury.
Reason: The bony box protects the brain from any shock.CorrectIncorrect -
Question 2 of 30
2. Question
Assertion: Reflex Arc works faster than thinking process of brain.
Reason: Reflex Arc works in case of those animals who donot have thinking process.CorrectIncorrect -
Question 3 of 30
3. Question
Which of the following acts as both endocrine and exocrine glands?
CorrectIncorrect -
Question 4 of 30
4. Question
Which of the following is not associated with growth of plant?
CorrectIncorrect -
Question 5 of 30
5. Question
Which hormone regulates the ionic balance in the body?
CorrectIncorrect -
Question 6 of 30
6. Question
The main effect of cytokinin in plants is to
CorrectIncorrect -
Question 7 of 30
7. Question
Reflex actions are mediated through
CorrectIncorrect -
Question 8 of 30
8. Question
How many pairs of cranial nerves are present in man?
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Question 9 of 30
9. Question
Any change in the environment to which an organism responds is called
CorrectIncorrect -
Question 10 of 30
10. Question
The highest coordinating centre in the human body is
CorrectIncorrect -
Question 11 of 30
11. Question
Which of the following is a plant hormone?
CorrectIncorrect -
Question 12 of 30
12. Question
Which part of nervous system controls the reflex activities of the body?
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Question 13 of 30
13. Question
A part of the body which responds to the in-structions sent from nervous system is called
CorrectIncorrect -
Question 14 of 30
14. Question
The substance that result into the fall of mature leave and fruits from plants is due to :
CorrectIncorrect -
Question 15 of 30
15. Question
Which nerves transmit impulses from the cen¬tral nervous system towards muscle cells?
CorrectIncorrect -
Question 16 of 30
16. Question
Breathing is controlled by which part of the brain?
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Question 17 of 30
17. Question
Which of the following acts as both endocrine and exocrine gland?
CorrectIncorrect -
Question 18 of 30
18. Question
The main function of abscisic acid in plants is
CorrectIncorrect -
Question 19 of 30
19. Question
Movement of sunflower in accordance with the path of Sun is due to
CorrectIncorrect -
Question 20 of 30
20. Question
Response of plant roots towards water is called:
CorrectIncorrect -
Question 21 of 30
21. Question
Which plant hormone promotes dormancy in seeds and buds?
CorrectIncorrect -
Question 22 of 30
22. Question
Roots of plants are:
CorrectIncorrect -
Question 23 of 30
23. Question
Assertion: Plants do have a nervous system for control and coordination.
Reason: Plants use electro chemical means to convey information from cell to cell.CorrectIncorrect -
Question 24 of 30
24. Question
Assertion: On attaining puberty, breast size increases and reproductive organs develop in females.
Reason: Ovaries release hormone proges-terone in female.CorrectIncorrect -
Question 25 of 30
25. Question
Assertion: Impulse travels from dendrite to cell body and then along the axon to its end.
Reason: Information acquired at the end of the dendrite tip of a nerve cell sets of an electric impulse.CorrectIncorrect -
Question 26 of 30
26. Question
Which of the following is not a ductless gland?
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Question 27 of 30
27. Question
Which endocrine gland is also known as ‘master gland’?
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Question 28 of 30
28. Question
Ageing in human beings is caused by disappearance of which of the following glands?
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Question 29 of 30
29. Question
Which statement is incorrect about auxins?
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Question 30 of 30
30. Question
The hormone that is used to keep flowers fresh is
CorrectIncorrect