Biology (NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension): Questions 1 - 5 of 63

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Question number: 1

» Biology » Our Environment

MCQ▾

Question

The average temperature of the earth remains fairly steady as compared to that of the moon because of the

Choices

Choice (4) Response

a.

atmosphere

b.

hydrosphere

c.

biosphere

d.

lithosphere

Question number: 2

» Biology » Plant and Animal Nutrition

Appeared in Year: 2013

MCQ▾

Question

An animal cell, a plant cell and a bacterium share the following structural features

Choices

Choice (4) Response

a.

cell membrane, endoplasmic reticulum and vacuoles

b.

cell wall, nucleus and cytoplasm

c.

cell wall, plasma membrane and mitochondria

d.

plasma membrane, cytoplasm and ribosomes

Question number: 3

» Biology » Reproduction

Appeared in Year: 2013

MCQ▾

Question

The colour composition of beetle population is likely to change in the following manner.

Choices

Choice (4) Response

a.

More red beetles survive than the green

b.

red and green beetle survive equally

c.

More green beetles survive than the red

d.

Only the red beetle survives

Question number: 4

» Biology » Reproduction

Appeared in Year: 2013

MCQ▾

Question

Some green beetles appear among the red beetle because

Choices

Choice (4) Response

a.

beetles become green by accumulating chlorophyll form the green leaves that they eat

b.

red beetles mimic green colour of leaves whenever, they see crows

c.

beetles change colour from red to green with change of season

d.

natural variations occur during sexual reproduction.

Question number: 5

» Biology » Plant and Animal Nutrition

Appeared in Year: 2013

MCQ▾

Question

Photosynthesis in an aquatic plant was measured by counting the number of Equation bubbles coming out of the cut end of the plant. What will happen to Equation production if you use a pipe blow air from your mouth into water in the beaker?

A beaker containing water and plant in it

A Beaker Containing Water and Plant in It

Find that what happens to O2 production it pipe is be used for blow air.

Choices

Choice (4) Response

a.

Bacteria from mouth will infect plant. Hence, reduction in Equation production

b.

Air from mouth contains Equation which is utilised in photosynthesis. Hence, increase in Equation production

c.

Water is already in contact with air. Hence, air from mouth will have no effect

d.

Air from mouth contains Equation which is being added to the plant. Hence, increase in Equation production

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