प्राइम टाइम हिंदी

ITSE Class 3 — Science 2023-24

ITSE (International Talent Search Exam) Class 3 का Science 2023-24 अभ्यास प्रश्न पत्र। 45 questions का free timed mock test — submit करते ही score और explanation। बच्चों की talent exam की तैयारी के लिए।

45 प्रश्न 45 मिनट +4 / 0 अंकन कुल 180 अंक
शेष समय 45:00 0/45 हल
1What is the process of plants making food using sunlight called?
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2The process in which animals enter a state to conserve energy is called ______.
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3How many bones does an adult human body typically have?
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4What is the process of water changing into ice called?
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5Which of the following is a cold-blooded animal?
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6Worms and small organisms grow mostly in ______.
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7Which force keeps objects on the ground?
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8What gas do humans breathe out during respiration?
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9What is the process of a caterpillar turning into a butterfly called?
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10What is the main job of the heart in the human body?
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11'Croak croak' is the sound of which animal?
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12What is the process of a liquid turning into a gas called?
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13What gas do plants absorb from the air during photosynthesis?
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14I hang upside down on a tree —
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15Which tree grows in marshy areas?
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16What is the outer layer of the Earth called?
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17What is the main job of the stomach in the digestive system?
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18Messages from all parts of the body keep coming to the brain through our —
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19What is the process of changing a liquid into a solid called?
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20What is the smallest planet in our solar system?
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21What is the force that pulls objects towards the center of the Earth?
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22What is the process of a liquid turning into a solid at its freezing point?
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23Intestines are the part of which organ system?
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24Which of these is an incorrect relationship?
व्याख्या

Intestine is digestive, not respiratory like nose & lungs.

25What is the process of a gas turning into a liquid at its condensation point?
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26What is the main purpose of the roots in a plant?
व्याख्या

⚠ Roots both anchor the plant and absorb water/nutrients; the keyed answer is absorbing water and nutrients.

27Which of the following is a non-renewable resource?
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28What is the main function of the brain in the human body?
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29What is the process of a gas turning into a liquid during cooling called?
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30Which animal is known for its hibernation during winter?
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31What is the main job of leaves in a plant?
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32What is the process of a liquid turning into a gas at a temperature below its boiling point called?
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33What is the primary purpose of the kidneys in the human body?
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34Which among these animals are more closely related than the others? (buffalo, wild cat, domestic cat, dog)
व्याख्या

The wild cat and the domestic cat are most closely related.

35What is the force that opposes motion between two surfaces in contact?
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36What is the process of a gas turning into a liquid at its boiling point?
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37Which of the following is a non-living thing?
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38What is the process of changing a gas into a liquid?
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39Small holes in teeth that form if we do not keep our teeth clean —
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40Which of the following is a source of renewable energy?
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41What is the process of a plant losing water through its leaves called?
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42How does sound travel?
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43What is the process of changing a solid directly into a gas called?
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44Which of the following organisms is killed to obtain fibre from it? (lion, sheep, tree)
व्याख्या

⚠ Image-based; silk fibre comes from killing silkworms, which are not among the shown options.

45What is the main job of the kidneys in the human body?
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