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Q1. What pigment is necessary for the process of photosynthesis in plants? a) Xanthophyll b) Chlorophyll c) Anthocyanin d) Carotene Answer: b) Chlorophyll Explanation: Chlorophyll is the green pigment located in the chloroplasts of plant cells that captures the energy of sunlight for photosynthesis, making it essential for this process. Q2. Which of the following … Read more
1. Which of the following is an example of periodic motion? a) A car moving on a straight road. b) A pendulum swinging to and fro. c) A horse pulling a cart on a straight road. d) A train moving on a straight bridge. Answer: b) A pendulum swinging to and fro. Explanation: Periodic motion … Read more
1. What is the main function of flowers in plants? a) To provide support b) To perform photosynthesis c) To reproduce d) To store food Answer: c) To reproduce Explanation: Flowers are the reproductive parts of plants and are responsible for reproduction. 2. Which of the following is an example of asexual reproduction in plants? … Read more
1) What is the primary function of red blood cells (RBC) in the human body? a) To transport nutrients b) To fight against germs c) To carry oxygen to body cells d) To form blood clots Answer: c) To carry oxygen to body cells Explanation: Red blood cells contain hemoglobin, a red pigment that binds … Read more