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Read the given statements regarding chan...

Read the given statements regarding changes occurring in organisms during ageing.
I. Heart rate decreases slightly ageing.
II. The brain loses some cells (neurons) and others become damaged.
III. Enzyme aldolase becomes more effective.
IV. Collagen becomes less permeable, rigid and insoluble.
Which of the following changes occur in human beings?

A

Only I

B

I and IV

C

II and IV

D

I and III

Text Solution

Verified by Experts

The correct Answer is:
D
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ARIHANT NEET-GROWTH, REGENERATION AND AGEING-Chapter exercises (Medical entrances special format questions)
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  2. Read the following statement. I. In auxetic growth, the volume of bo...

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  3. Consider the following match pairs. {:("I. Coelenterates",-,"Lost...

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  4. Read the given statements regarding changes occurring in organisms dur...

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  5. Match the following Columns. {:(" Column I"," Column II"),("A. ...

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  6. Match the following Columns. {:(" Column I"," Column II"),("A. ...

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  7. Assertion Growth involves the synthesis of protoplasmic materials. R...

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  8. Assertion Coelenterates and flatworms show morphallatic regeneration. ...

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  9. Assertion Growth curve of higher animals is sigmoid. Reason Absolute...

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  10. Assertion Growth of different body parts is differential. Reason Dur...

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  11. Assertion In ageing, power of intake of useful materials and expelling...

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  12. Assertion Death is an essential and inescapable biological phenomenon....

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  13. Assertion A regenerated tail of wall lizard shows heteromorphosis. R...

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  14. Assertion Brain of man shows compensatory hypertrophy. Reason It gro...

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  15. Assertion Regeneration blastema is a bud-like structure formed during ...

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  16. Assertion Old age is not an illness. It is a continuation of life with...

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