Science Class 7th

181. An _________can be defined as the basic functional unit of an environment.

A) Ecosystem

B) Global warming

C) Both a & b

182. _______ is the study of relationship of living organisms with their environment.

A) Ecosystem

B) Global warming

C) Ecology

183. Each ecosystem has ______ component.

A) Two

B) Three

C) Four

184. _______ are animals feeding on producers and other animals for their food.

A) Consumer

B) Producer

C) Both a & b

185. _______are primary consumers and depend directly on plants for their survival.

A) Herbivores

B) Carnivore

C) Omnivores

186. _________ are secondary consumers feeding on primary consumers.

A) Herbivores

B) Carnivore

C) Omnivores

187. _________ depend on both plants and animals for their food.

A) Herbivores

B) Carnivore

C) Omnivores

188. ______ include saprophytes that convert the dead animals and plants into fertilizers, nitrogen and carbon dioxide.

A) Herbivores

B) Carnivore

C) Decomposers

189. The natural home of an organism is called its _______.

A) Habitat

B) Water land

C) Tundra

190. A ______ is a place which gets enough rainfall and has warm temperature for lots of trees to grow.

A) Forest

B) Water land

C) Tundra

191. The animals which live in desert ,sleep during the day time because it is too hot and they come out at night to eat. They are called ________.

A) Omnivores

B) Herbivores

C) Nocturnal

192. An ________ is a way through which an animal’s body helps it to survive or live in its environment.

A) Adaptation

B) Defiance

C) Denial

193. __________ is a state of inactivity in animals during winter season, in which animals go into a deep sleep and use very little energy.

A) Hibernation

B) Aestivation

C) Camouflage

194. ________ is a state of inactivity in animals during summer season, in which animals go into a deep sleep and use very little energy.

A) Hibernation

B) Aestivation

C) Camouflage

195. __________ is a way of concealing when an animal blends with its surrounding environment to help it to hide.

A) Hibernation

B) Aestivation

C) Camouflage

196. _____ is a period of inactivity in plants

A) Hibernation

B) Aestivation

C) Dormancy

197. _______ is the basis of relationship between plants and animals

A) Water

B) Air

C) Soil

198. Plants are the only living thing that can make their own food. They are called _______.

A) Consumers

B) Producers

C) Camouflage

199. Living place of an organism is called:

A) Habitat

B) Environment

C) Ecosystem

D) Species

200. Many food chains unite to make a:

A) Food cycle

B) Food web

C) Food pyramid

D) Mega food chain