Biology (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 89 - 94 of 136

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Question number: 89

» Biology » Heredity and Evolution

MCQ▾

Question

Which one of the following is a correct statement?

Choices

Choice (4) Response
a.

Dominant trait can be expressed in homozygous condition only

b.

Dominant trait cannot be expressed in heterozygous condition

c.

Recessive trait cannot be expressed in heterozygous condition

d.

Recessive trait can be expressed in homozygous condition only

Question number: 90

» Biology » Human Body

MCQ▾

Question

Cramps in the leg muscle after running a long distance are because of

Choices

Choice (4) Response
a.

Buildup of acetic acid

b.

Buildup of pyruvic acid

c.

Buildup of oxalic acid

d.

Buildup of lactic acid

Question number: 91

» Biology » Plant and Animal Nutrition

MCQ▾

Question

Cut leaves remain green for longer time if dipped in

Choices

Choice (4) Response
a.

Ethylene

b.

Cytokinins

c.

Gibberellins

d.

Auxin

Question number: 92

» Biology » Our Environment

MCQ▾

Question

Which layer of Earth’s atmosphere protects it from the harmful UV radiations of the Sun?

Choices

Choice (4) Response
a.

Stratosphere

b.

Ozonosphere

c.

Ionosphere

d.

Troposphere

Question number: 93

» Biology » Cellular Level of Organisation

MCQ▾

Question

Neurons have a unique property that makes them to communicate with other cells via

Choices

Choice (4) Response
a.

Schwann cells

b.

Nerve cords

c.

Synapses

d.

Glial cells

Question number: 94

» Biology » Plant and Animal Nutrition

MCQ▾

Question

Vegetative propagation refers to formation of new plants from

Choices

Choice (4) Response
a.

stem, roots and leaves

b.

stem, roots and seeds

c.

fruits, seeds and spores

d.

leaves, flowers and seeds

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