General Science Class 6 , Chapter 3 MCQs General Science class 6 chapter 3 mcqs with answers by Farhan gabolFebruary 12, 2021February 14, 2021 General Science class 6 chapter 3 Photosynthesis and respiration in plants MCQs 1. Plants make their own food in the presence of sunlight is called…………………….. Photorespiration Respiration Photosynthesis Photolysis 2. Material for photosynthesis comes from…………………….. A- Air B- Food D- Both A&C C- Soil E- Both A&B 3. Photosynthesis takes place in …………………….. Stem Flower Roots Leaves 4. Chloroplast contains the green pigment called …………………….. Phycocyanin Xanthophyll Chlorophyll Carotene 5. The product of the reaction in the presence of sunlight between carbon dioxide and water is oxygen and …………………….. Protein Carotenes Carbohydrates Lipids 6. Which one is a useful product for plants …………………….. Starch Fructose Glucose Cellulose 7. How many carbon dioxide molecules are needed for photosynthesis …………………….. 5 12 6 24 8. How many water molecules are needed for photosynthesis …………………….. 6 7 5 8 9. Carbon dioxide+water………….>Glucose+ …………………….. 3 molecules of C02 5 molecules of O2 6 molecules of 02 5 molecules of C02 10. Which part of the plant is called most efficient solar panels on earth …………………….. Leaves Shoot Stem Flowers Loading … Pages: 1 2 3
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