Biology-Plant and Animal Nutrition (NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension): Questions 1 - 3 of 17

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Question number: 1

» 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: 2

» Biology » Plant and Animal Nutrition

Appeared in Year: 2013

MCQ▾

Question

Photosynthesis in an aquatic plant was measured by counting the number of O2 bubbles coming out of the cut end of the plant. What will happen to O2 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 O2 production

b.

Air from mouth contains CO2 which is utilised in photosynthesis. Hence, increase in O2 production

c.

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

d.

Air from mouth contains O2 which is being added to the plant. Hence, increase in O2 production

Question number: 3

» Biology » Plant and Animal Nutrition

Appeared in Year: 2013

MCQ▾

Question

In flowers, which one of the following conditions will increase chances of self-pollination?

Choices

Choice (4) Response
a.

Stamens are just above the stigma of a pistil in a flower

b.

In all flowers of the plant only stamens are present

c.

In all flowers of the plant only pistil is present

d.

Pistil is longer than stamens in a flower

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