genetics, evolution of life & ecological biodiversity - Category wise Question and Answer Practice Test with Solutions

genetics, evolution of life & ecological biodiversity PRACTICE TEST [5 - EXERCISES]

set 1

set 2

set 3

set 4

set 5

Question : 1

Homologous organs are

a) gills of fish and lungs of rabbit

b) pectoral fins of fish and fore limbs of horse

c) wings of insects and bat

d) wings of grosshopper and crow

Answer: (b)

Organs that are similar in fundamental structure but different in functions are “homologous organs”, Richard Owen, introduced the term homologous. Pectoral fins of fish and fore limbs of horse similar in structure but different in functions are homologous organs. Rest of the organs compared in the question are analogous organs.

Question : 2

Gene for colour blindness is located on

a) X-chromosome

b) 13th chromosome

c) Y-chromosome

d) 21st chromosome

Answer: (a)

The gene which is responsible for colour blindness is carried on the X chromosome and this is the reason why many more men are affected than women. The blindness is manifested in terms of inability to distinguish between red and green colour.

Question : 3

Match List-I with List-II :

List-I (Name of the Scientist) List-II (Contributions)
A. Charles Darwin I. Mutation theory
B. Lamarck II. Germplasm theory
C. Hugo de Vries III. Philosophie Zoologique
D. Ernst Haeckel IV. The Origin of species
E. August Weismann V. Biogenetic law
  VI. Essay on population
Select the correct answer from the codes given below the lists: (A) (B) (C) (D) (E)

a) A – IV; B – VI; C – V; D – III; E – I

b) A – IV; B – III; C – I; D – V; E – II

c) A – IV; B – III; C – V; D – I; E – VI

d) A – II; B – III; C – I; D – V; E – II

Answer: (b)

Question : 4

The scientific name for the maximum modern man among these is

a) Neanderthalensis

b) Homosapiens

c) Human species

d) Homo sapiens

Answer: (d)

Question : 5

The remains of mummies denote

a) Historical reveals

b) The kind of preservative technique in that era

c) Evolutionary reveal

d) All of the above

Answer: (d)

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