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

The plant group that produces spores and embryo but lacks vascular tissues and seeds is

a) Bryophyta

b) Pteridophyta

c) Rhodophyta

d) Phaeophyta

Answer: (a)

Bryophytes are the plants which produces spores and embryo but no vascular tissues are present, although primitive type of conducting tissues are present in the form of hadrome and leptome.

Question : 2

According to special creation theory the earth is about

a) 4.5 M yrs old

b) 4.5 B yrs old

c) 4000 yrs old

d) 10000 yrs old

Answer: (c)

Question : 3

Ligase helps in

a) translation

b) inserting few genes in DNA

c) removal of few genes

d) bringing transversion in chromosomes

Answer: (b)

Ligase helps in inserting few genes in DNA.

Question : 4

A nucleotide is formed of

a) purine, sugar and phosphate

b) nitrogenous bases, sugar and phosphate

c) purine, pyrimidine and phosphate

d) pyrimidine, sugar and phosphate

Answer: (b)

Nucleotide is a unit of DNA, which is formed of nitrogenous bases (purines & pyrimidines), sugar (pentose) & phosphate.

Question : 5 [RAS/RTS (Pre) 1992]

About whom is said ‘India’s large wild cat’ has recently become extinct?

a) Tiger

b) Cheetah

c) Leopard

d) Lion

Answer: (b)

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