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Which of the following is a parameter of...

Which of the following is a parameter of senescence or old age?

A

The end of reproductive phase

B

Slowing of metabolism

C

The end of juvenile phase

D

Both A and B.

Text Solution

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The correct Answer is:
D
The end of reproductive phase and slowing of metabolism are parameters of senescence or old age.
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A2Z-REPRODUCTIVE IN ORGANISMS-Section A: Topicwise Questions (topic 2: Sexual Reproduction) Pre-fertilisation Events , Gametogenes
  1. Sexual reproduction involves formation of the male and female gametes ...

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  2. As compared to the asexual reproduction, the sexual reproduction is

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  3. Read the following statements and find out the incorrect statement.

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  4. All organisms have a to reach a certain stage of growth and maturity i...

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  5. Recognise the figure and find out the correct matching.

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  6. In some algae, the two gametes are so similar in appear-ance that is n...

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  7. The end of juvenile/vegetative phase marks the beginning of the

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  8. Match the columns I and II, and choose the correct combination from th...

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  9. An angiospermic plant starts producing flower. This is the beginning o...

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  10. Which of the following is a parameter of senescence or old age?

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  11. Which one of the following plant shows unusual flowering phenomenon?

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  12. Strobilanthus kunthiana flowers once in

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  13. Strobilanthus kunthiana is found in India in

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  14. Many mammals, especially those living in natural, wild conditions exhi...

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  15. Recognise the figure and find out the correct matching.

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  16. The birds /hens in captivity (as in poultry farms) can be made to lay ...

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  17. Transitions between the juvenile, reproductive and senescent phases in...

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  18. Interaction between . . . . . . And certain environmental factors regu...

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  19. The sequential events in the sexual reproduction may be grouped into

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  20. Which of the following group uses water as medium for gamete transport...

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