50 MCQ Life Processes Class 10 with Answers

In electromagnetic radiation, which of the following has greater wave length than visible light? 1. ultraviolet rays 2. infra red rays 3. cosmic rays 4. x-rays

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The process in which energy stored in carbohydrates released is known as : 1. photosynthesis 2. respiration 3. reproduction 4. excretion

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Autotrophic organisms 1. Depend on other organisms for food 2. Hunt for the food 3. Synthesize their own food 4. Can not synthesize their food

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Photosynthetic activity in green plants has to be tested : 1. early in the morning 2. after keeping the plant in dark for 5-6 hours 3. after exposing the plant to light for 2-3 hours 4. in a day any time

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Iodine can be used to test the presence of : 1. glucose 2. light 3. starch 4. carbon dioxide

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Which of the following is released during photosynthesis? 1. oxygen 2. carbon dioxide 3. light 4. energy

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In cockroach, the muscles that help in sending the blood into heart : 1. tracheal 2. cardiac 3. alary 4. bronchial

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The ventral blood vessel in earthworm is : 1. above alimentary canal 2. above the heart 3. below the lungs 4. below the alimentary canal

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The blood vessel that distributes blood in earth worm is : 1. gills 2. dorsal blood vessel 3. ventral blood vessel 4. lungs

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