Q1Multiple choice
Which of the following is used as an atmospheric pollution indicator?
Show answerHide answer
Correct option: B
Show solutionHide solution
Worked solution
Ans: (b) Lichens
NCERT Exemplar · Class 12 · Biology
Chapter 7: Evolution
Practice each question, then open the answer or worked solution.
Multiple Choice Questions
18 questionsQ2Multiple choice
The theory of spontaneous generation stated that:
Show answerHide answer
Correct option: C
Show solutionHide solution
Worked solution
Ans: (c) life can arise from non-living things only.
Q3Multiple choice
Animal husbandry and plant breeding programmes are examples of:
Show answerHide answer
Correct option: B
Show solutionHide solution
Worked solution
Ans: (b) artificial selection
Q4Multiple choice
Palaeontological evidences for evolution refer to the:
Show answerHide answer
Correct option: C
Show solutionHide solution
Worked solution
Ans: (c) fossils
Q5Multiple choice
The bones of forelimbs of whale, bat, cheetah, and man are similar in structure, because:
Show answerHide answer
Correct option: B
Show solutionHide solution
Worked solution
Ans: (b) they share a common ancestor
Q6Multiple choice
Analogous organs arise due to:
Show answerHide answer
Correct option: D
Show solutionHide solution
Worked solution
Ans: (d) convergent evolution
Q7Multiple choice
(p+q)2 = p2 + 2pq + q2 = 1 represents an equation used in:
Show answerHide answer
Correct option: A
Show solutionHide solution
Worked solution
Ans: (a) population genetics
Q8Multiple choice
Appearance of antibiotic-resistant bacteria is an example of:
Show answerHide answer
Correct option: C
Show solutionHide solution
Worked solution
Ans: (c) pre-existing variation in the population
Q9Multiple choice
Evolution of life shows that life forms had a trend of moving from:
Show answerHide answer
Correct option: D
Show solutionHide solution
Worked solution
Ans: (d) water to land
Q10Multiple choice
Viviparity is considered to be more evolved because:
looked after they are born leading to more chances of survival
Show answerHide answer
Correct option: C
Show solutionHide solution
Worked solution
Ans: (c) the young ones are protected inside the mother's body and are looked after they are born leading to more chances of survival
Explanation: In viviparity, the young ones are protected inside the mother's body and are looked at after after they are born leading to more chances of survival.