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(dl) Liver, , , , aecreted by, , , , ) Large intestine, from hydrochloric acid, , , , , , , , , , , , , , ow. Which rela, qastti ack, (2) Depsinogen (b) Pepsin, hen few drops of io (d) Mucus, +8. Vhent r t iodine were poured on a potat 1 ad blue-black in colour, ists dndicates that potatS contains t ©, the potato turned é, (a) sugar : (b) starch (2 (d) proteins, Q.9 Se ay jase secreted by salivary glands is responsible for which evenUin mouth?, a) t down of protei, - Re ve ein inamino acid —_())_ Break-down of fat in lipiel 4, ©) Break-down of starch in sug, ; pe aratorlt wae (a) Both (b) and (¢), Inw h part of the a e co?, Q.10. In whie - of the alimentary canal complete digestion and absorption of food takes place, a) Duodenum hn Ss x, ( x (b) Smallintestine (ce) Colon (d) Stomach, 11 ch one of the Hie i : g,, @.ii. Which one © the following is the correct sequence of anaerobic respiration 1m muscles during, vigorous exerc, (a) Glucose : Pyruvate —Mitechondria_, Ethanol + CO2, 5. wlnannck —Cytoplash ., @ Glucose SSP, pyruvate —Sitoplasm_, Lactic acid + CO2, ~ Cytoplas: ", (© Glucose __Syreplasm_, pyruvate + CO, —Mitochondria_, Lactic acid, (@ Glucose —ytoplasm_, pyruvate —Mitochondria_, Lactic acid + CO., Q.12. Which one of the following is the most correct ence i ct of aerobic respiration?, = ect sequence in respe t, a ance —CYtoplasm 3 inl ,, (a) Glucose —Gytoplasm _, pyruvate + Energy Mitochondria, CQ, + H,O + Energy, - ind Cytoplasm . :, (®) Glucose —=“F=" + Pyruvate + Energy _Mitochondria_, CQ, + H,O, Cytoplasm Mitoc! i, (c) Glucose —oytepiasm _, Pyruvate Mitochondria, CO, + Energy, - Mitochondria, (@ Glucose —————"——> Pyruvate _GCytoplasm_, CO, + H,O + Energy, 9.13. Which is the correct sequence of parts/organs through which air passes during inhalation?, , (a) Nostril—> Pharynx —> Larynx —> Trachea —> Alveoli, , (b) Larynx — Nostril—> Pharynx — Lungs, al —> Pharynx —> Larynx —~ Alveoli, , Trachea ——> Lungs, , ion exchange of gases takes place in, , 44. In our body during the process of respirati, (b) alveoli and throat., , (c) Trachea passage——? Nas, (a) Nostril— Larynx —~> Pharynx —, , (a) lungs and throat., (c) alveoli of lungs. (a) larynx and lungs., 15. First step in photosynthesis is, (a) release of O, and absorption of CO,. (b) breakdown of water., (d) absorption of light energy by chlorophyll., , (c) formation of Glucose., 6. Which of the following staten, , (i) During exhalation,, , (ii) Exchange of gase:, , (iii) During inhalation, ribs move ou, obin has greater affinity for carbon dioxide., (@) (iii) and (iv), , (b) (ii) and (iii), , nent(s) is (are) true about respiration ?, , ribs move inwards and diaphragm is lowered,, takes place in alveoli., twards and diaphragm is lowered., , (iv) Haemog], , (a) @ and (ii) (c) (i) and (iv), , Life Processes