Default Title

Question (21)

QN005733

A community plants 600 saplings. If 25% do not survive, how many survive?

(A) 400
(B) 450
(C) 500
(D) 550

Correct Answer: B

Explanation:

75% of 600 = 450.

Link:

Report Error

Question (22)

QN005734

Why are forests important for biodiversity?

(A) They support many different living organisms
(B) They contain only one species
(C) They reduce animal populations
(D) They prevent plant growth

Correct Answer: A

Explanation:

Link:

Report Error

Question (23)

QN005735

A forest area of 100 hectares loses 15 hectares due to deforestation. What area remains forested?

(A) 75 hectares
(B) 80 hectares
(C) 85 hectares
(D) 90 hectares

Correct Answer: C

Explanation:

100 − 15 = 85 hectares.

Link:

Report Error

Question (24)

QN005736

Which of the following is an example of afforestation?

(A) Cutting mature trees
(B) Planting trees on unused land
(C) Burning forest areas
(D) Removing wildlife

Correct Answer: B

Explanation:

Link:

Report Error

Question (25)

QN005737

A forest has 1000 trees. If 120 more trees are planted, how many trees are there now?

(A) 1080
(B) 1100
(C) 1120
(D) 1200

Correct Answer: C

Explanation:

1000 + 120 = 1120.

Link:

Report Error

Question (26)

QN005738

Forests help reduce air pollution by:

(A) Releasing harmful gases
(B) Absorbing carbon dioxide
(C) Producing dust
(D) Increasing smoke

Correct Answer: B

Explanation:

Link:

Report Error

Question (27)

QN005739

A forest nursery grows 900 saplings. If 1/3 are neem saplings, how many neem saplings are there?

(A) 200
(B) 250
(C) 300
(D) 350

Correct Answer: C

Explanation:

900 ÷ 3 = 300.

Link:

Report Error

Question (28)

QN005740

Which of the following activities is harmful to forests?

(A) Tree plantation
(B) Sustainable harvesting
(C) Illegal logging
(D) Wildlife protection

Correct Answer: C

Explanation:

Link:

Report Error

Question (29)

QN005741

A protected forest has 240 birds. If the number increases by 25%, how many birds are there now?

(A) 270
(B) 280
(C) 300
(D) 320

Correct Answer: C

Explanation:

25% of 240 = 60; 240 + 60 = 300.

Link:

Report Error

Question (30)

QN005742

Which statement best defines afforestation?

(A) Cutting trees for timber
(B) Planting trees to create or restore forests
(C) Protecting rivers from pollution
(D) Conserving minerals

Correct Answer: B

Explanation:

Link:

Report Error

Question (21)

A community plants 600 saplings. If 25% do not survive, how many survive?

Explanation:

Link:

Question (22)

Why are forests important for biodiversity?

Explanation:

Link:

Question (23)

A forest area of 100 hectares loses 15 hectares due to deforestation. What area remains forested?

Explanation:

Link:

Question (24)

Which of the following is an example of afforestation?

Explanation:

Link:

Question (25)

A forest has 1000 trees. If 120 more trees are planted, how many trees are there now?

Explanation:

Link:

Question (26)

Forests help reduce air pollution by:

Explanation:

Link:

Question (27)

A forest nursery grows 900 saplings. If 1/3 are neem saplings, how many neem saplings are there?

Explanation:

Link:

Question (28)

Which of the following activities is harmful to forests?

Explanation:

Link:

Question (29)

A protected forest has 240 birds. If the number increases by 25%, how many birds are there now?

Explanation:

Link:

Question (30)

Which statement best defines afforestation?

Explanation:

Link:

Excel With Tutors

ExcelWithTutors

For Student

For Tutors

Learn

OUR POLICY