CISCE Board - Class 1

Our Environment & Living Things question bank (Environmental Studies)

Practice 197 free CISCE Board - Class 1 Environmental Studies - Our Environment & Living Things questions with answers and step-by-step solutions.

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Q1.

Plant Life & Photosynthesis: In 'Human Body Senses and Hygiene', what essential ingredients do green leaves utilize?

(A)
Sunlight, chlorophyll, carbon dioxide and water (Human Body Senses and Hygiene)
(B)
Darkness and toxic pollutants
(C)
Pure nitrogen only
(D)
None of these
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Q2.

States of Matter & Simple Machines: What principle explains the operation of 'Human Body Senses and Hygiene'?

(A)
Mechanical advantage of levers, pulleys or states of matter change (Human Body Senses and Hygiene)
(B)
Perpetual motion creation
(C)
Elimination of all friction
(D)
None of these
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