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 : 16

Herbarium is

a) dry garden

b) a garden where medicinal plants are grown

c) garden where herbaceous plants are grown

d) chemical to kill plants

Answer: (a)

Herbarium is dry garden.

Question : 17

A nucleoside differs from a nucleotide in not having

a) sugar

b) nitrogen base

c) phosphate

d) phosphate and sugar

Answer: (c)

In a nucleotide, purine or pyrimidine nitrogenous base is joined by deoxyribose pentose sugar (D), which is further linked with phosphate (P) group to form nucleotides.

Question : 18 [PSC (Pre) 2016]

Archeopteryx is

a) Reptile of Triassic period

b) Most ancient bird of Jurassic age

c) Reptile of Jurassic period

d) Reptile of both Triassic and Jurassic period

Answer: (b)

Question : 19

Scientific name of man is

a) Homo habilis

b) Homo erectus

c) Canis familiaris

d) Homo sapiens

Answer: (d)

Question : 20

Consider the following statements :

  1. Characters are transferred from parents to progeny through DNA.
  2. Coded information in nucleic acid depend on the arrangement of nucleotides.
Which of the statement(s) given above is/are correct?

a) 1 and 2 both

b) 2 only

c) 1 only

d) None

Answer: (a)

The arrangement of nucleotides in DNA decides the sequence of triplet condons on DNA.

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