If you are preparing for CBSE Class 12 Board Exam Term 1 which will be an objective type questions paper, then you need to practice multiple choice questions of Class 12 Biology Chapterwise. In this article of AKVTutorials, you will get MCQ Questions for Class 12 Biology Chapter 7 Evolutions with Answer Keys
MCQ Questions for Class 12 Biology Chapter 7 Question No 1:
Artificial selection to obtain cows yielding higher milk output represents
Option A : Stabilizing selection as it stabilizes this character in the population
Option B : Directional as it pushes the mean of the character in one direction
Option C : Disruptive as it splits the population into two one yielding higher output and the other lower output
Option D : Stabilizing followed by disruptive as it stabilizes the population to produce higher yielding cows
Show/Hide Answer
Option B : Directional as it pushes the mean of the character in one direction
MCQ Questions for Class 12 Biology Chapter 7 Question No 2:
The principle of competitive exclusion was stand by
Option A : MacArthur
Option B : Verhulst and Pearl
Option C : C.Darwin
Option D : G. F. Gause
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Option D : G. F. Gause
MCQ Questions for Class 12 Biology Chapter 7 Question No 3:
Which of the following is the correct sequence of events in the origin of life?
I. Formation of photobionts.
II. Synthesis of organic monomers
III. Synthesis of organic polymers
IV. Formation of DNA-based genetic systems
Option A : II, III, I, IV
Option B : II, III, IV, I
Option C : I,II, III, IV
Option D : I, III, II, IV
Show/Hide Answer
Option A : II, III, I, IV
MCQ Questions for Class 12 Biology Chapter 7 Question No 4:
The chronological order of human evolution from early to the recent is:
Option A : Ramapithecus → Homo habilis → Australopithecus → Homo erectus
Option B : Australopithecus → Homo habilis → Ramapithecus → Homo erectus
Option C : Australopithecus → Ramapithecus → Homo habilis → Homo erectus
Option D : Ramapithecus → Australopithecus → Homo habilis → Homo erectus
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Option D : Ramapithecus → Australopithecus → Homo habilis → Homo erectus
MCQ Questions for Class 12 Biology Chapter 7 Question No 5:
In Hardy-Weinberg equation, the frequency of heterozygous individual is represented by:
Option A : pq
Option B : q2
Option C : p2
Option D : 2pq
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Option D : 2pq
MCQ Questions for Class 12 Biology Chapter 7 Question No 6:
Genetic drift operates in:
Option A : Non-reproductive population
Option B : Slow reproductive population
Option C : Small isolated population
Option D : Large isolated population
Show/Hide Answer
Option C : Small isolated population
MCQ Questions for Class 12 Biology Chapter 7 Question No 7:
Analogous structures are a result of
Option A : Divergent evolution
Option B : Convergent evolution
Option C : Shared ancestry
Option D : Stabilizing selection
Show/Hide Answer
Option B : Convergent evolution
MCQ Questions for Class 12 Biology Chapter 7 Question No 8:
Which of the following structures is homologous to the wing of a bird?
Option A : Dorsal fin of a Shark
Option B : Wing of a Moth
Option C : Hind limb of Rabbit
Option D : Flipper of Whale
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Option D : Flipper of Whale
MCQ Questions for Class 12 Biology Chapter 7 Question No 9:
A population will not exist in Hardy Weinberg equilibrium if:
Option A : The population is large
Option B : Individuals mate selectively
Option C : There are no mutations
Option D : There is no migration
Show/Hide Answer
Option B : Individuals mate selectively
MCQ Questions for Class 12 Biology Chapter 7 Question No 10:
Which of the following characteristics is mainly responsible for diversification of insects on land?
Option A : Eyes
Option B : Segmentation
Option C : Bilateral symmetry
Option D : Exoskeleton
Show/Hide Answer
Option D : Exoskeleton
