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Here are 20 multiple choice questions (MCQs) with answers numbered 181 to 200 based on the detailed AP DSC Secondary Grade Teacher (SGT) Science syllabus (Class III to VIII, difficulty up to Class X) you provided:

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AP DSC SGT Science MCQs 2025 (181-200)

181. Which of the following is NOT a characteristic of living organisms?
a) Growth
b) Reproduction
c) Movement
d) Evaporation
Answer: d) Evaporation

182. Which type of plant grows mainly in dry areas like deserts?
a) Aquatic plants
b) Terrestrial plants
c) Desert plants
d) Herbaceous plants
Answer: c) Desert plants

183. Which of the following animals is viviparous?
a) Frog
b) Lizard
c) Dog
d) Snake
Answer: c) Dog

184. Herbivores mainly feed on:
a) Plants
b) Meat
c) Both plants and meat
d) Insects
Answer: a) Plants

185. Which sense organ is responsible for hearing?
a) Nose
b) Ear
c) Eye
d) Skin
Answer: b) Ear

186. Which part of the plant helps in photosynthesis?
a) Root
b) Stem
c) Leaf
d) Flower
Answer: c) Leaf

187. Which one of these is a good food habit?
a) Eating junk food daily
b) Balanced diet intake
c) Skipping meals regularly
d) Eating only sweets
Answer: b) Balanced diet intake

188. What is the basic unit of life?
a) Atom
b) Molecule
c) Cell
d) Organ
Answer: c) Cell

189. Which microorganism is useful in making curd?
a) Virus
b) Bacteria
c) Fungi
d) Protozoa
Answer: b) Bacteria

190. Photosynthesis is an example of which type of nutrition?
a) Autotrophic
b) Parasitic
c) Saprophytic
d) Heterotrophic
Answer: a) Autotrophic

191. The process by which plants release oxygen is called:
a) Respiration
b) Photosynthesis
c) Transpiration
d) Digestion
Answer: b) Photosynthesis

192. Which organ is involved in human digestion?
a) Kidney
b) Heart
c) Stomach
d) Lung
Answer: c) Stomach

193. Which of the following is a physical change?
a) Burning of paper
b) Rusting of iron
c) Melting of ice
d) Cooking food
Answer: c) Melting of ice

194. A convex lens is used in:
a) Microscope
b) Camera
c) Telescope
d) All of the above
Answer: d) All of the above

195. Which of the following is a conductor of electricity?
a) Plastic
b) Rubber
c) Copper
d) Wood
Answer: c) Copper

196. The magnetic compass needle points towards:
a) South Pole
b) East
c) West
d) North Pole
Answer: d) North Pole

197. Heat transfer by the movement of fluids (liquids or gases) is called:
a) Conduction
b) Convection
c) Radiation
d) Reflection
Answer: b) Convection

198. Friction can be reduced by:
a) Applying oil
b) Increasing surface roughness
c) Adding sand
d) Increasing weight on the object
Answer: a) Applying oil

199. Natural gas is an example of:
a) Exhaustible resource
b) Inexhaustible resource
c) Renewable resource
d) Non-renewable resource
Answer: d) Non-renewable resource

200. The pitch of a sound depends on:
a) Amplitude
b) Frequency
c) Loudness
d) Speed of sound
Answer: b) Frequency

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