Science Class 6th

141. Waste products of Respiration are?

A. Carbon dioxide

B. Water

C. Both ‘a’ and ‘b’

D. Nome of these

142. _______ occurs in both animals and plants.

A. Respiration

B. Photosynthesis

D. None of these

143. The main source of energy is?

A. Electricity

B. Petrol

C. Sun Light

D. None of these

144. Which is not needed in the process of Photosynthesis?

A. Sunlight

B. Carbon dioxide

C. Chlorophyll

D. Oxygen

145. What is given off during photosynthesis which is needed by animals?

A. Oxygen

B. Carbon dioxide

C. Chlorophyll

D. Water vapors

146. Living things of environment are called?

A. Biotic Components

B. Abiotic Components

C. None of these

147. Non-living things are called ______ components.

A. Biotic

B. Abiotic

C. Non-living

D. None of these

148. ______Produce their own food.

A. Omnivores

B. Herbivores

C. Producers

D. Non of these

149. Animals which consume food prepared by producers are called?

A. Decomposers

B. Consumers

C.Producers

150. Organism which breakdown dead bodies of animals and plants

A. Decomposers

B. Producers

C. Animals

D. Bacteria

151. Sun light, air, soil are examples of_____

A. Biotic

B. Abiotic

C. Both ‘a’ and ‘b’

D. None of these

152. Abiotic factors of Photosynthesis are?

A. Water

B. Carbon dioxide

C Chlorophyll

D. Both ‘a’ and ‘b’

153. Biotic factors depend on abiotic factors for_____

A. Survival

B. Growth

C. Both ‘a’ and ‘b’

D. None of these

154. There are _____ major types of natural environment.

A. 2

B. 3

C. 4

D. 5

155.______ are part of natural environment.

A. Acquatic

B. Terrestrial

C. Both ‘a’ and ‘b’

D. None of these

156. Grassland, Forests, Mountains are examples of _____environment.

A. Acquatic

B. Grassland

C. Terrestrial

D. None of these

157. ______ receive a lot of rainfall.

A. Forests

B. Deserts

C. Rain forests

D. All of the above

158. Deserts are found in dry regions where total rain fall is less than?

A. 100 mm

B. 300 mm

C. 250 mm

D. 500 mm

159. Climate is warm and humid through out the year in?

A. Desert

B. Rain forest

C. Environment

D. None of these

160. Rain forests have vegetation.

A. Rare

B. Patchy

C. Dense

D. Scarce