Question 1

Which of the following is not belong?

Accepted Answer

dynamite fishing

Answer

tsunami

Answer

earthquake

Answer

volcanic eruption

Question 2

It occurs when some particles and poisonous gases accumulate in the atmosphere.

Accepted Answer

air pollution

Answer

water pollution

Answer

noise pollution

Answer

land pollution

Question 3

It also disrupts the balance in an ecosystem.

Accepted Answer

pollution

Answer

natural calamities

Answer

human activities

Answer

increasing human population

Question 4

A coastal wetland characterized by loving trees, shrubs, and other plants growing in brackish to saline tidal waters.

Accepted Answer

mangrove swamps

Answer

lakes

Answer

streams

Answer

rivers

Question 5

Which gas is released by unburned gasoline?

Accepted Answer

carbon dioxide

Answer

oxygen

Answer

carbon monoxide

Answer

carbon

Question 6

Which is a nonbiodegradable material?

Accepted Answer

wooden spoon

Answer

plastic  bag

Answer

wax paper plate

Answer

paper cup

Question 7

Which one belongs to the biotic community?

Accepted Answer

weeds

Answer

river water

Answer

soil

Answer

rock

Question 8

Which of the following is an ecosystem?

Accepted Answer

jungle

Answer

water

Answer

atmosphere

Answer

room

Question 9

Which biotic component depends on air, sunlight, and soil?

Accepted Answer

plants

Answer

water

Answer

chlorophyll

Answer

animals

Question 10

What may result from overpopulation in an ecosystem?

Accepted Answer

shortage of food

Answer

clean surroundings

Answer

health care benefits

Answer

availability of space

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