1. Which of the following are energy foods?
(a) Carbohydrates and fats
(b) Proteins and mineral salts
(c) Vitamins and minerals
(d) Water and roughage
2. Roots of the plants absorb water from the soil through the process of:
(a) diffusion
(b) transpiration
(c) osmosis
(d) None of these
3. The site of photosynthesis in the cells of a leaf is
(a) chloroplast
(b) mitochondria
(c) cytoplasm
(d) protoplasm
4. In amoeba, food is digested in the:
(a) food vacuole
(b) mitochondria
(c) pseudopodia
(d) chloroplast
5. 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.
6. Which region of the alimentary canal absorbs the digested food?
(a) Stomach
(b) Small intestine
(c) Large intestine
(d) Liver
7. The contraction and expansion movement of the walls of the food pipe is called:
(a) translocation
(b) transpiration
(c) peristaltic movement
(d) digestion
8. The exit of unabsorbed food material is regulated by
(a) liver
(b) anus
(c) small intestine
(d) anal sphincter
9. 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
10. The breakdown of pyruvate to give carbon di-oxide, water and energy takes place in
(a) cytoplasm
(b) mitochondria
(c) chloroplast
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1) carbohydrates and fats
2) osmosis
3)chloroplast
4)food vacoule
5)starch to amylase (sugar)
6)small intestine
7) peristaltic movement
8)anal sphincter
9)ethanol +CO2+energy
10) mitochondria
I hope this helps ( ╹▽╹ )
Answer:
1) carbohydrates and fats
2) osmosis
3)chloroplast
4)food vacoule
5)starch to amylase (sugar)
6)small intestine
7) peristaltic movement
8)anal sphincter
9)ethanol +CO2+energy
10) mitochondria
Explanation:
thanks..