Biology [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 419 - 426 of 518

Access detailed explanations (illustrated with images and videos) to 2000 questions. Access all new questions- tracking exam pattern and syllabus. View the complete topic-wise distribution of questions. Unlimited Access & Unlimited Time!

View Sample Explanation or View Features.

Rs. 550.00 -OR-

How to register? Already Subscribed?

Question 419

Edit

Question

MCQ▾

Deforestation results in

Choices

Choice (4)Response

a.

Water conservation

b.

Weed control

c.

Soil erosion

d.

Soil conservation

Question 420

Edit

Question

MCQ▾

Which of the following is major raw material for production of biogas?

Choices

Choice (4)Response

a.

Cow dung

b.

Grass

c.

Plants

d.

Mud

Question 421

Edit

Question

MCQ▾

Which of the following is best soil for plant growth?

Choices

Choice (4)Response

a.

Loamy soil

b.

Gravel

c.

Clay

d.

Sandy soil

Question 422

Edit

Question

MCQ▾

Artificial resources are resources

Choices

Choice (4)Response

a.

Developed by plants

b.

Present naturally

c.

Developed by animals

d.

Developed by humans

Question 423

Edit

Question

MCQ▾

Which of the following is renewable exhaustible natural resource?

Choices

Choice (4)Response

a.

Minerals

b.

Petroleum

c.

Coal

d.

Forest

Question 424

Edit

Question

MCQ▾

Eutrophication

Choices

Choice (4)Response

a.

Is depletion of oxygen from the aquatic reservoir

b.

Caused by algal bloom in aquatic reservoir

c.

Caused by leaching of fertilizers from the farmland into the aquatic reservoir

d.

All a. , b. and c. are correct

Question 425

Edit

Question

MCQ▾

Anthropogenic activities are

Choices

Choice (4)Response

a.

Human made

b.

Volcanic eruption

c.

Earthquakes

d.

Cyclone

Question 426

Edit

Question

MCQ▾

Which of the following is an example of natural resources?

Choices

Choice (4)Response

a.

Soil

b.

Air

c.

Water

d.

All a. , b. and c. are correct