CBSE Class-7 Science: Questions 228 - 233 of 322

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 322 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 250.00 or

Question number: 228

» Winds, Storms and Cyclones » Air » Wind

MCQ▾

Question

The instrument used to measure the speed of wind is called as:

Choices

Choice (4) Response
a.

Anemometer

b.

Wind vane

c. Question does not provide sufficient data or is vague
d. None of the above

Question number: 229

» Winds, Storms and Cyclones » Cyclones » Tornadoes

MCQ▾

Question

A violently rotating column of air extending from a thunderstorm to the ground is called as:

Choices

Choice (4) Response
a.

Tornedo

b.

Thunder

c.

Cyclone

d.

Thunderstorm

Question number: 230

» Reproduction in Plants » Seed Dispersal » Process of Seed Dispersal

MCQ▾

Question

Why seed dispersal is necessary:

Choices

Choice (4) Response
a.

For wider distribution

b.

To prevent competition between the plant and its own seedlings

c. Both a. and b. are correct
d. Question does not provide sufficient data or is vague

Question number: 231

» Soil » Soil » Soil Teeming With Life

MCQ▾

Question

Soil is the crucible of life it is the:

Choices

Choice (4) Response
a.

Growth of plant is supported by soil

b.

Home of no. of organisms

c.

Has varying amount of organic matters

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

Question number: 232

» Respiration in Organisms » Respiration » Aerobic Respiration

MCQ▾

Question

The type of respiration in which breakdown of glucose occurs in presence of oxygen is called as:

Choices

Choice (4) Response
a.

Anaerobic respiration

b.

Aerobic respiration

c.

Internal respiration

d. None of the above

Question number: 233

» Soil » Properties of Soil » Absorption of Water by Soil

MCQ▾

Question

In which type of soil if water applied quickly it puddles or run off before being absorbed:

Choices

Choice (4) Response
a.

Clayey soil

b.

Loamy soil

c.

Sandy soil

d. Question does not provide sufficient data or is vague

Sign In