GST Tutorials MCQ practice 1
Life Process
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
Submit
2. 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
C. Holozoic nutrition
D. Autotrophic nutrition
Submit
3. The mode of nutrition found in fungi is:
A.Parasitic nutrition
B. Holozoic nutrition
C. Autotrophic nutrition
D. Saprotrophic nutrition
Submit
4. Roots of the plants absorb water from the soil through the process of:
A. diffusion
B. transpiration
C. osmosis
D. None of these
Submit
5. The site of photosynthesis in the cells of a leaf is
A. chloroplast
B. mitochondria
C. cytoplasm
D. protoplasm
Submit
6. In amoeba, food is digested in the:
A. food vacuole
B. mitochondria
C. pseudopodia
D. chloroplast
Submit
7. 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.
Submit
8. Which region of the alimentary canal absorbs the digested food?
A. Stomach
B. Small intestine
C. Large intestine
D. Liver
Submit
9. The contraction and expansion movement of the walls of the food pipe is called:
A. translocation
B. transpiration
C. peristaltic movement
D. digestion
Submit
10. 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
D. simple proteins
Submit
11. 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
Submit
12. The exit of unabsorbed food material is regu-lated by
A. liver
B. anus
C. small intestine
D. anal sphincter
Submit
13. The breakdown of pyruvate to give carbon di-oxide, water and energy takes place in
A. cytoplasm
B. mitochondria
C. chloroplast
D. nucleus
Submit
14. Glycolysis process occurs in which part of the cell?
A. Cytoplasm
B. Nucleus
C. Mitochondria
D. Chloroplast
Submit
15. 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
Submit
16. Name the pores in a leaf through which respi-ratory exchange of gases takes place.
A. Lenticels
B. Vacuoles
C. Xylem
D. Stomata
Submit
17. The respiratory pigment in human beings is
A. carotene
B. chlorophyll
C. haemoglobin
D. mitochondria
Submit
18. Which plant tissue transports water and min-erals from the roots to the leaf?
A. Xylem
B. Phloem
C. Parenchyma
D. Collenchyma
Submit
19. The movement of food in phloem is called:
A. transpiration
B. translocation
C. respiration
D. evaporation
Submit
20. A blood vessel which pumps the blood from the heart to the entire body:
A. artery
B. capillary
C. Vein
D. Haemoglobin.
Submit
Back To Home
Score