MCQ Class 10 Science Chapter 5 Life Process Advertisement MCQ’s For All Chapters – Science Class 10th 1. Which of the following are energy foods?Proteins and mineral saltsWater and roughageVitamins and mineralsCarbohydrates and fatsQuestion 1 of 152. In which mode of nutrition an organism de-rives its food from the body of another living organism without killing it?Parasitic nutritionAutotrophic nutritionHolozoic nutritionSaprotrophic nutritionQuestion 2 of 153. The mode of nutrition found in fungi is:Holozoic nutritionParasitic nutritionSaprotrophic nutritionAutotrophic nutritionQuestion 3 of 154. Roots of the plants absorb water from the soil through the process of:osmosistranspirationdiffusionNone of theseQuestion 4 of 155. The site of photosynthesis in the cells of a leaf ismitochondriaprotoplasmcytoplasmchloroplastQuestion 5 of 156. In amoeba, food is digested in the:pseudopodiachloroplastfood vacuolemitochondriaQuestion 6 of 157. Which of the following events in the mouth cavity will be affected if salivary amylase is lacking in the saliva?Proteins breaking down into amino acids.Starch breaking down into sugars.Fats breaking down into fatty acids and glycerol.Absorption of vitamins.Question 7 of 158. Which region of the alimentary canal absorbs the digested food?Small intestineLiverStomachLarge intestineQuestion 8 of 159. The contraction and expansion movement of the walls of the food pipe is called:peristaltic movementdigestiontranslocationtranspirationQuestion 9 of 1510. When a few drops of iodine solution are added to rice water, the solution turns blue- black in colour. This indicates that rice water contains:complex proteinssimple proteinsstarchfatsQuestion 10 of 1511. The exit of unabsorbed food material is regu-lated bysmall intestineanal sphincterliveranusQuestion 11 of 1512. What are the products obtained by anaerobic respiration in plants?PyruvateCarbon dioxide + Water + EnergyLactic acid + EnergyEthanol + Carbon dioxide + EnergyQuestion 12 of 1513. The breakdown of pyruvate to give carbon di-oxide, water and energy takes place inchloroplastnucleuscytoplasmmitochondriaQuestion 13 of 1514. Glycolysis process occurs in which part of the cell?NucleusMitochondriaChloroplastCytoplasmQuestion 14 of 1515. Name the substance whose build up in the muscles during vigorous physical exercise may cause cramps?Carbon dioxide + Water + EnergyPyruvateEthanol + Carbon dioxide + EnergyLactic acid + EnergyQuestion 15 of 15 Loading...
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