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Evolution · Question 33

NEET (UG) 2019MatchingEasy📈 Topic in 38% papers+4−1
1

Match the hominids with their correct brain size : Select the correct option.

  1. (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
  2. (a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)
  3. (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
  4. (a)-(iii), (b)-(ii), (c)-(i), (d)-(iv)

Answer

(1) (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)

Solution

As per NCERT:

(a) Homo habilis had a brain capacity between 650–800 cc (iii)

(b) Neanderthal man had a brain size of 1400 cc (iv)

(c) Homo erectus had a large brain around 900 cc (i)

(d) Homo sapiens (modern man) had a brain size of about 1350 cc (ii)

(a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)

Answer: (1)

NEET (UG) 2019

Keep practising — Evolution

2

In a species, the weight of newborn ranges from 2 to 5 kg. 97\% of the newborn with an average weight between 3 to 3.3 kg survive whereas 99\% of the infants born with weights from 2 to 2.5 kg or 4.5 to 5 kg die. Which type of selection process is taking place?

  1. Disruptive Selection
  2. Cyclical Selection
  3. Directional Selection
  4. Stabilizing Selection
NEET (UG) 2019
3

The similarity of bone structure in the forelimbs of many vertebrates is an example of

  1. homology
  2. analogy
  3. convergent evolution
  4. adaptive radiation
NEET 2018
4

Among the following sets of examples for divergent evolution, select the incorrect option.

  1. Forelimbs of man, bat and cheetah
  2. Heart of bat, man and cheetah
  3. Brain of bat, man and cheetah
  4. Eye of octopus, bat and man
NEET 2018
5

According to Hugo de Vries, the mechanism of evolution is

  1. multiple step mutations
  2. saltation
  3. phenotypic variations
  4. minor mutations
NEET 2018
6

Artificial selection to obtain cows yielding higher milk output represents :

  1. directional as it pushes the mean of the character in one direction
  2. stabilizing followed by disruptive as it stabilizes the population to produce higher yielding cows.
  3. disruptive as it splits the population into two, one yielding higher output and the other lower output.
  4. stabilizing selection as it stabilizes this character in the population.
Out of syllabusNEET 2017
7

Which of the following structures is homologous to the wing of a bird ?

  1. Wing of a Moth
  2. Dorsal fin of a Shark
  3. Flipper of Whale
  4. Hindlimb of Rabbit
NEET 2016 (Phase 1)
8

Analogous structures are a result of :

  1. Divergent evolution
  2. Convergent evolution
  3. Stabilizing selection
  4. Shared ancestry
NEET 2016 (Phase 1)
9

Following are the two statements regarding the origin of life - Of the above statements which one of the following options is correct ?

  1. Both A and B are false
  2. Both A and B are correct
  3. B is correct but A is false
  4. A is correct but B is false
NEET 2016 (Phase 1)
10

Genetic drift operates in

  1. slow reproductive population
  2. large isolated population
  3. non-reproductive population
  4. small isolated population
NEET 2016 (Phase 2)
11

In Hardy-Weinberg equation, the frequency of heterozygous individual is represented by

  1. pq
  2. p2
  3. 2pq
  4. q2
NEET 2016 (Phase 2)

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