Biology Multiple Choice Questions for MBBS Entrance Exams on “Origin and Evolution of Man – 2”.
1. Which of the following is not among the types of apes?
a) Chimpanzee
b) Monkey
c) Gorilla
d) Orangutan
Answer: b
Clarification: Monkey is not among the classification of apes, whereas it belongs to Anthropoids. Chimpanzee, gorilla, and orangutan belong to the classification of apes.
2. Which ape is closely related to the man?
a) Orangutan
b) Gorilla
c) Gibbon
d) Chimpanzee
Answer: d
Clarification: Chimpanzee is closely related to man. DNA content and DNA matching are the same in both. This similarity is more than 99% with chimpanzee whereas 94% with a gibbon.
3. According to organic evolution, which ape is closely related to the man?
a) Monkey
b) Gorilla
c) Orangutan
d) Sinanthropus
Answer: d
Clarification: Based on organic evolution, Sinanthropus is closely related to man. It was the former genus name given to some hominids, which were found in China in 1926. It was the old Peking man.
4. Gibbon belongs to the family _______
a) Pongideae
b) Hyalobatideae
c) Hominidae
d) Felidae
Answer: b
Clarification: Gibbon belongs to the family Hyalobatideae who has a cranial capacity of 100 c.c. Whereas, chimpanzee, gorilla, and orangutan belong to the family Pongideae. Their cranial capacity varied from 400-500 c.c.
5. Which of the following is not a similarity between man and apes?
a) Tail absent
b) Erect posture
c) Smaller head, less cranial capacity
d) Grasping hands
Answer: c
Clarification: Smaller head, less cranial capacity is not a similarity between man and apes. Actually, they had a larger head and more cranial capacity. The remaining options share similarities between man and apes.
6. The blood group of AB series was present in both man and apes.
a) True
b) False
Answer: a
Clarification: They shared the same blood group series i.e. they had A, B, AB, and O blood groups. This was one of the similarities between man and ape. The composition of Hb is same in both.
7. Apes have _______ number of chromosomes.
a) 46
b) 48
c) 49
d) 45
Answer: b
Clarification: Number of chromosomes are approximately the same in man and apes. Apes have 48 whereas man has 46 number of chromosomes.
8. Which of the chromosomes have the same banding pattern in between man and chimpanzee?
a) 3 and 6
b) 4 and 6
c) 4 and 4
d) 3 and 4
Answer: a
Clarification: Banding pattern on chromosome number 3 and 6 of human and chimpanzee is 100% similar. Since DNA content and matching is almost 99% with the chimpanzee. This shows that humans evolved from chimpanzees.
9. Apes have cranial capacity of only ______ c.c.
a) 660
b) 650
c) 610
d) 600
Answer: b
Clarification: Apes have a less cranial capacity of only 650 c.c. whereas humans have a more cranial capacity of about 1300- 1600 c.c. Humans developed higher cranial capacity and had advanced brain than apes.
10. Apes have a _____ shaped jaw.
a) V
b) U
c) D
d) W