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CBSE TEST PAPER-01  SCIENCE & TECHNOLOGY  (Class-10) Chapter 6 : Life Process 1 . What are the raw materials for photosynthesis? (1 mark) Answer: The raw materials and other necessary items required for photosynthesis are Sunlight, Water, CO 2 and Chlorophyll. 2. What is the role of bile juice in digestion? (1 mark) Answer: Bile is alkaline in nature and it is temporarily stored in gallbladder  and helps in digestion of fats,   it also helps in absorption fats. 3. Write the equation for respiration? (1 mark) Answer: C 6 H 12 O 6   --- > C 3 H4O 3   ----->   6CO2 +  6H2O +  38ATP 4. Name three types of blood vessels used in the transport of blood. (1 mark) Answer: Arteries, vein and capillaries Note: There are three major types of blood vessels: the arteries, which carry the blood away from the heart; the capillaries, which enable the actual exchange of water and chemicals between the blood ...

Life processes – The processes that are necessary for an organism to stay alive. Eg. Nutrition, respiration, etc. Criteria of life - (i) Growth  (ii) Movement Nutrition - The process of taking  in food and its utilizes it to get energy, for growth, repair and maintenance, etc. and excretes the waste materials from the body is called Nutrition. Types of nutrition 1. Autotrophic nutrition (Auto =self:  trophos = nourishment) E.g. Plants, Algae, blue green bacteria. Process – Photosynthesis (Photo=light; Synthesis= to combine) Raw materials- (i) Carbon dioxide (ii)Water Chlorophyll Formula :  C55H72O5N4Mg Equation-     6CO 2   +  6H 2 O              sunlight /     Chlorophyl   ----->      C 6 H 12 O 6      +     6O 2 Energy conversion- Light/Solar energy to Chemical energ Role off Chlorophyll- To trap the sun’s energy for photosynthe...