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12. The breakdown of pyruvate to give carbon dioxide, water and energy takes place in

Question

(a) cytoplasm. (b) chloroplast. (c) mitochondria. (d) nucleus.

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Class 10 science 3 years 1 Answer 3 views Enlightened 0

12. The breakdown of pyruvate to give carbon dioxide, water and energy takes place in

Question

(a) cytoplasm. (b) chloroplast. (c) mitochondria. (d) nucleus.

in progress 0

Class 10 science 3 years 1 Answer 6 views Enlightened 0

12. The breakdown of pyruvate to give carbon dioxide, water and energy takes place in

Question

(a) cytoplasm. (b) chloroplast. (c) mitochondria. (d) nucleus.

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Class 10 science 3 years 1 Answer 5 views Enlightened 0

11. The autotrophic mode of nutrition requires

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(a) carbon dioxide and water. (b) chlorophyll. (c) sunlight. (d) all of the above.

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Class 10 science 3 years 1 Answer 6 views Enlightened 0

10. The xylem in plants are responsible for

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(a) transport of water. (b) transport of food. (c) transport of amino acids. (d) transport of oxygen.

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Class 10 science 3 years 1 Answer 6 views Enlightened 0

9.The kidneys in human beings are a part of the system for

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(a) nutrition. (b) respiration. (c) excretion. (d) transportation.

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Class 10 science 3 years 1 Answer 7 views Enlightened 0

8. The breakdown of pyruvate to give carbon di-oxide, water and energy takes place in

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(a) cytoplasm (b) mitochondria (c) chloroplast (d) nucleus

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Class 10 science 3 years 1 Answer 6 views Enlightened 0

7. The exit of unabsorbed food material is regu-lated by

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(a) liver (b) anus (c) small intestine (d) anal sphincter

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Class 10 science 3 years 1 Answer 6 views Enlightened 0

6. . 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:

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(a) fats (b) complex proteins (c) starch (d) simple proteins

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Class 10 science 3 years 1 Answer 5 views Enlightened 0

5.The contraction and expansion movement of the walls of the food pipe is called:

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(a) translocation (b) transpiration (c) peristaltic movement (d) digestion

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Class 10 science 3 years 1 Answer 46 views Enlightened 0

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class 10 life processes