MEDIUM
12th Andhra Pradesh Board
IMPORTANT
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Why do fish, frogs etc, show external fertilisation and reptiles, aves and mammals show internal fertilisation?

Important Questions on Reproductive Health

MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Intermediate Second Year Zoology>Chapter 10 - Reproductive Health>FOR IGNITED MINDS>Q 2
Why do children of the same family/parentage show difference in morphological, physiological and psychological differences?
HARD
12th Andhra Pradesh Board
IMPORTANT
Intermediate Second Year Zoology>Chapter 10 - Reproductive Health>FOR IGNITED MINDS>Q 3
A frog has no tail. Why does its tadpole possess a tail?
MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Intermediate Second Year Zoology>Chapter 10 - Reproductive Health>FOR IGNITED MINDS>Q 4
Why don’t young children show secondary sexual features- such as beard, and breast development until they reach a certain age?
MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Intermediate Second Year Zoology>Chapter 10 - Reproductive Health>FOR IGNITED MINDS>Q 5
How does fertilisation occur in animals which lay shelled egg?
HARD
12th Andhra Pradesh Board
IMPORTANT
Intermediate Second Year Zoology>Chapter 10 - Reproductive Health>FOR IGNITED MINDS>Q 6
The developing embryo of fish or frog does not run the risk of drying generally. How do embryos of terrestrial vertebrates protect themselves from drying up?
HARD
12th Andhra Pradesh Board
IMPORTANT
Intermediate Second Year Zoology>Chapter 10 - Reproductive Health>FOR IGNITED MINDS>Q 7
We say that nervous system is ectodermal in origin. How can nervous system, which is enclosed in the mesodermal bony skeletal structures, arise from the outermost germinal layer, the ectoderm?
MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Intermediate Second Year Zoology>Chapter 10 - Reproductive Health>FOR IGNITED MINDS>Q 8
How many times does a normal woman get a chance to become pregnant in her lifetime, assuming that she lives into her sixties?
HARD
12th Andhra Pradesh Board
IMPORTANT
Intermediate Second Year Zoology>Chapter 10 - Reproductive Health>FOR IGNITED MINDS>Q 9
Placing an IUD can lead to phagocytosis of spermatozoa. How?