NCERT Based General Studies (GS): Questions 3170 - 3175 of 3450

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Question number: 3170

» Science » Class-7 NCERT » Reproduction in Plants (Modes of Reproduction)

MCQ▾

Question

Give example of some roots, which grows into new plant through vegetative propagation:

Choices

Choice (4) Response
a.

Bulbuous plants

b.

Tuberous roots of dahlia, sweet potato and asparagus

c.

Corm

d. None of the above

Question number: 3171

» Science » Class-7 NCERT » Reproduction in Plants (Sexual Reproduction)

MCQ▾

Question

The type of pollination in which the pollen grains are transferred to the stigma of the pistil of the same flower is called as:

Choices

Choice (4) Response
a.

Cross pollination

b.

Self- pollination

c. None of the above
d. All of the above

Question number: 3172

» Science » Class-7 NCERT » Transportation in Animals and Plants (Transport of Substances in Plants)

MCQ▾

Question

Transpiration helps to:

Choices

Choice (4) Response
a.

Cool the plants

b.

Lose the water absorbed by the roots through stomata

c.

Create a suction pull that causes the ascent of sap to the shoot tip of the tallest trees

d. All a. , b. and c. are correct

Question number: 3173

» Science » Class-7 NCERT » Soil (Soil Profile)

MCQ▾

Question

Which horizon of the soil is called as sub soil?

Choices

Choice (4) Response
a.

B-horizon

b.

O-horizon

c.

C-horizon

d.

A-horizon

Question number: 3174

» Science » Class-7 NCERT » Reproduction in Plants (Modes of Reproduction)

MCQ▾

Question

Name some stem which grow into new plants:

Choices

Choice (4) Response
a.

Onion, Ginger

b.

Strawberry, oxalis many grasses and corn

c.

Potato

d. All a. , b. and c. are correct

Question number: 3175

» Science » Class-7 NCERT » Respiration in Organisms (How Do We Breathe?)

MCQ▾

Question

Sudden involuntary expulsion of air from the nose and mouth due to irritation of one’s nostrils is called as:

Choices

Choice (4) Response
a.

Exhalation

b.

Inhalation

c.

Sneezing

d. All of the above

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