Andhra Pradesh Board Solutions for Exercise 2: FOR IGNITED MINDS

Author:Andhra Pradesh Board

Andhra Pradesh Board Zoology Solutions for Exercise - Andhra Pradesh Board Solutions for Exercise 2: FOR IGNITED MINDS

Attempt the practice questions from Exercise 2: FOR IGNITED MINDS with hints and solutions to strengthen your understanding. Intermediate Second Year Zoology solutions are prepared by Experienced Embibe Experts.

Questions from Andhra Pradesh Board Solutions for Exercise 2: FOR IGNITED MINDS with Hints & Solutions

MEDIUM
12th Andhra Pradesh Board
IMPORTANT

Why do fish, frogs etc, show external fertilisation and reptiles, aves and mammals show internal fertilisation?

MEDIUM
12th Andhra Pradesh Board
IMPORTANT

Why do children of the same family/parentage show difference in morphological, physiological and psychological differences?

HARD
12th Andhra Pradesh Board
IMPORTANT

A frog has no tail. Why does its tadpole possess a tail?

MEDIUM
12th Andhra Pradesh Board
IMPORTANT

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

How does fertilisation occur in animals which lay shelled egg?

HARD
12th Andhra Pradesh Board
IMPORTANT

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

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

How many times does a normal woman get a chance to become pregnant in her lifetime, assuming that she lives into her sixties?