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1. The chlorophyll in photosynthesis is used for, I. Absorbing light, II. Breaking down water molecule, III. No function, IV. Reduction of CO2, 2. Proteins after digestion are converted into, I. Carbohydrates, II. Small globules, III. Amino acids, IV. starch, 3. Carbohydrates in the plants are stored in the form of, I. Glycogen, II. Starch, III. Glucose, IV. Maltose, 4. Main site of photosynthesis, I. Leaf, II. Stem, III. Chloroplast, IV. Guard cells, 5. The small pores present of leaf’s surface are called, I. Stomata, II. Chlorophyll, III. Guard cells, IV. None of these, 6. Photosynthesis is a, I. Catabolic process, II. Parabolic process, III. Amphibolic process

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IV. Photochemical lprocess, 7. Opening and closing of pores is a function performed by, I. Stomata, II. Chlorophyll, III. Chloroplast, IV. Guard cells, 8. Which element is used in the synthesis of proteins?, I. Hydrogen, II. Oxygen, III. Nitrogen, IV. Carbon dioxide, 9. Temporary finger like extensions on amoeba are called, I. Cell membrane, II. Cell wall, III. Pseudopodia, IV. Cilia, 10. Bile juice is secreted by, I. Stomach, II. Pancreas, III. Small intestine, IV. Liver, 11. Which of these juices is secreted by pancreas?, I. Trypsin, II. Pepsin, III. Bile juice, IV. Both I and II, 12. Lipase acts on, I. Amino acids, II. Fats

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III. Carbohydrates, IV. All of these, 13. Respiratory pigment in human body is, I. Chlorophyll, II. Water, III. Blood, IV. haemoglobin, 14. Blood consist of what fluid medium?, I. Lymph, II. Platelets, III. Plasma, IV. All of these, 15. One cell-thick vessels are called, I. Arteries, II. Veins, III. Capillaries, IV. Pulmonary artery, , 16.Which of the following are energy foods?, (a) Carbohydrates and fats, (b) Proteins and mineral salts, (c) Vitamins and minerals, (d) Water and roughage, , 17. In which mode of nutrition an organism de-rives its food from the body of another living organism, without killing it?, (a) Saprotrophic nutrition, (b) Parasitic nutrition

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(c) Holozoic nutrition, (d) Autotrophic nutrition, , 18. The mode of nutrition found in fungi is:, (a) Parasitic nutrition, (b) Holozoic nutrition, (c) Autotrophic nutrition, (d) Saprotrophic nutrition, , 19. Roots of the plants absorb water from the soil through the process of:, (a) diffusion, (b) transpiration, (c) osmosis, (d) None of these, , 20.The site of photosynthesis in the cells of a leaf is, (a) chloroplast, (b) mitochondria, (c) cytoplasm, (d) protoplasm, , 21.In amoeba, food is digested in the:, (a) food vacuole, (b) mitochondria, (c) pseudopodia

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(d) chloroplast, , 22. Which of the following events in the mouth cavity will be affected if salivary amylase is lacking in the, saliva?, (a) Starch breaking down into sugars., (b) Proteins breaking down into amino acids., (c) Absorption of vitamins., (d) Fats breaking down into fatty acids and glycerol., , 23.Which region of the alimentary canal absorbs the digested food?, (a) Stomach, (b) Small intestine, (c) Large intestine, (d) Liver, , 24.The contraction and expansion movement of the walls of the food pipe is called:, (a) translocation, (b) transpiration, (c) peristaltic movement, (d) digestion, , 25.. 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:, (a) fats, (b) complex proteins, (c) starch

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(d) simple proteins, , 26. The exit of unabsorbed food material is regu-lated by, (a) liver, (b) anus, (c) small intestine, (d) anal sphincter, , 27. What are the products obtained by anaerobic respiration in plants?, (a) Lactic acid + Energy, (b) Carbon dioxide + Water + Energy, (c) Ethanol + Carbon dioxide + Energy, (d) Pyruvate, , 28. The breakdown of pyruvate to give carbon di-oxide, water and energy takes place in, (a) cytoplasm, (b) mitochondria, (c) chloroplast, (d) nucleus, , 29. Glycolysis process occurs in which part of the cell?, (a) Cytoplasm, (b) Nucleus, (c) Mitochondria, (d) Chloroplast

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30. Name the substances whose build up in the muscles during vigorous physical exercise may cause, cramps?, (a) Ethanol + Carbon dioxide + Energy, (b) Lactic acid + Energy, (c) Carbon dioxide + Water + Energy, (d) Pyruvate, , 31 Name the pores in a leaf through which respi-ratory exchange of gases takes place., (a) Lenticels, (b) Vacuoles, (c) Xylem, (d) Stomata, , 32. The respiratory pigment in human beings is:, (a) carotene, (b) chlorophyll, (c) haemoglobin, (d) mitochondria, , 33. Which plant tissue transports water and min-erals from the roots to the leaf?, (a) Xylem, (b) Phloem, (c) Parenchyma, (d) Collenchyma

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34. The movement of food in phloem is called:, (a) transpiration, (b) translocation, (c) respiration, (d) evaporation, , 35. A blood vessel which pumps the blood from the heart to the entire body:, (a) artery, (b) capillary, (c) Vein, (d) Haemoglobin, , 36. Name a circulatory fluid in the human body other than blood., (a) Platelets, (b) RBC, (c) Lymph, (d) Plasma, , 37.Single circulation, i.e., blood flows through the heart only once during one cycle of passage through, the body, is exhibited by which of the following:, (a) hyla, rana, draco, (b) whale, dolphin, turtle, (c) labeo, chameleon, salamander, (d) hippocampus, exocoetus, anabas

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38. Name the tube which connects the kidneys to the urinary bladder., (a) Urethra, (b) Nephron, (c) Tubule, (d) Ureter, , 39. Which part of nephron allows the selective reabsorption of useful substances like glucose, amino, acids, salts and water into the blood capillaries?, (a) Tubule, (b) Glomerulus, (c) Bowman’s capsule, (d) Ureter, , 40. Where is the dirty blood in our body filtered?, (a) Heart, (b) Lungs, (c) Ureter, (d) Kidneys, , 41.The procedure used for cleaning the blood of a person by separating urea from it is called:, (a) osmosis, (b) filtration, (c) dialysis, (d) double circulation

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42. Which is the correct sequence of body parts in the human alimentary canal?, (a) Mouth → stomach → small intestine → large intestine → oesophagus, (b) Mouth → oesophagus → stomach → small intestine → large intestine, (c) Mouth → stomach → oesophagus → smallintestine → large intestine, (d) Mouth → oesophagus → stomach → large intestine → small intestine, , 43. Identify the correct path of urine in the human body., (a) Kidney → urinary bladder → urethra → ureter, (b) Urinary bladder → ureter → kidney → urethra, (c) Kidney → ureter → urethra → urinary bladder, (d) Kidney → ureter → urinary bladder → urethra, , 44. Which of the following is not a digestive enzyme contained in the pancreatic juice?, , i. Lipase, , ii. Hydrochloric acid, , iii. Mucus, , iv. Trypsin, , a) (i) and (ii), , b) (i) and (iv)

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c) (ii) and (iii), , d) (i) and (iii), , 45. The enzymes pepsin and trypsin are secreted respectively by, , a) Stomach and pancreas, , b) Salivary gland and stomach, , c) Liver and pancreas, , d) Liver and salivary gland, , 46. Among the following choose the correct option which includes the organisms that have a holozoic, mode of nutrition:, , a) Plasmodium and Amoeba, , b) Parakeet and Amoeba, , c) Paramecium and Plasmodium, , d) Paramecium and Parasite

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47. Raw materials required in the autotrophic mode of nutrition involves:, , i. Carbon dioxide and water, , ii. Chlorophyll, , iii. Nitrogen, , iv. Sunlight, , a) (i), (ii) and (iii), , b) (i) and (ii), , c) (i), (ii) and (iv), , d) All (i), (ii), (iii) and (iv), , 48. The enzymes contained in pancreatic juices help in the digestion of:, , a) Fats and carbohydrates, , b) Proteins and fats, , c) Proteins and carbohydrates

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d) Proteins, fats and carbohydrates, , 49. Which of the following help in protecting the inner lining of the stomach from the harmful effect of, hydrochloric acid?, , a) Mucus, , b) Pepsin, , c) Trypsin, , d) Bile, , 50. Sometimes we get painful cramps in our leg muscles after running for a long time due to the, accumulation of:, , a) Hydrochloric acid, , b) Fat, , c) Carbon dioxide

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d) Lactic acid, , 51. The vein which brings clean blood from the lungs into the heart is known as:, , a) Pulmonary vein, , b) Hepatic vein, , c) Superior vena cava, , d) Pulmonary artery, , 52. Movement of the synthesized products from the leaves to the roots and other parts of a plant’s body, takes place through the phloem. This process is known as:, , a) Translocation, , b) Transpiration, , c) Transportation

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d) Excretion, , 53. The process of diffusion of solvent particles from the region of less solute concentration to a region, of high solute concentration through semi-permeable membrane is known as, , a) Diffusion, , b) Osmosis, , c) Translocation, , d) Transpiration, , 54. Which among the following procedures is used for cleaning the blood of a person by separating the, waste substance from it?, , a) Kidney transplant, , b) Blood transfusion, , c) Dialysis, , d) Hydrolysis

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55. The excretory unit of the human excretory system is known as:, , a) Nephridia, , b) Neuron, , c) Nephron, , d) kidneys, , 56.Plants use the energy stored in ATP to accomplish the process of transportation of:, , a) Water and minerals, , b) Oxygen, , c) Water, minerals and food, , d) Food

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57.Which among the following is necessary to carry out the blood coagulation in a cut or wound?, , a) White Blood Cells, , b) Blood plasma, , c) Platelets, , d) Red blood cells, , 58. Arteries and veins are connected by a network of extremely narrow tubes called:, , a) Sieve tubes, , b) Capillaries, , c) Vena cava, , d) Valves