Life Process class 10 Trend setter solved CBSE Test paper-05 SCIENCE & TECHNOLOGY (Class-10) Chapter 6 : Life Process 1. Name the tissue associated with the conduction water in plants. (1 mark) Ans: Xylem tissue 2. What is source of O 2 liberated during photosynthesis? (1 mark) Ans: The main source of oxygen in the atmosphere during photosynthesis is photosynthetic [green] plants, cyanobacteria and algae which releases oxygen during photosynthesis. Other sources include the photolysis of atmospheric water and nitrous oxides by ultraviolet light and the free oxygen released from the silicates and mineral oxides present in the earth crust. 3. In which part of the digestive canal food is absorbed? (1 mark) Ans: small intestine 4. Which organelle of the cell is known as ‘power house’? (1 mark) Ans: Mitochondria 5. Why oxygenated and deoxygenated blood is separated in mammals and birds? (1 mark) Ans: Oxygenated and deoxygenated blood is separ
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