TEST QUESTIONS
K N Bhatia Biology Solutions for Exercise - TEST QUESTIONS
Simple step-by-step solutions to TEST QUESTIONS questions of Organisms and Populations from TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from TEST QUESTIONS with Hints & Solutions
Study the graph and answer the below question.
Time has been shown on X-axis, and there is a parallel-dotted line above it. Give significance to this dotted line.
Explain the two alternative by which organisms overcome stressful external conditions.
Why are there more conformers than regulators in the animal world?
How does an age pyramid for human population at given point of the time helps policy-makers in planning for future.
State the basis for the difference in the shape of the growth curves.
Which one among the growth curves represents the human population growth at present? Do you think such a curve is sustainable? Give reason in support of your answer.
Explain the "fitness of a species" as mentioned by Darwin.
Name three representative kinds of age pyramids for the human population and list the characteristics for each one of them.
