Life Processes MCQs for NEET

Life processes are the basic processes being carried out for the survival of living entities. These processes are vital to sustaining life. There are altogether six life processes which determine the quality of life. Majorly, these processes are respiration, nutrition, transportation, metabolism, excretion and reproduction. Explore important MCQs on life processes here.

1. Entities exhibiting properties of both non-living and living are:

(a) diatoms

(b) lichens

(c) bacteria

(d) viruses

Answer: (d)

2. This has a smaller intestine

(a) carnivore

(b) herbivore

(c) both (a) and (b)

(d) none of the above

Answer: (a)

3. Which of these substances is transported by the blood plasma?

(a) Carbon dioxide

(b) Nitrogenous waste

(c) Food

(d) All of the above

Answer: (d)

4. Here, the maximum exchange of material between blood and surrounding cells takes place

(a) Veins

(b) Heart

(c) Capillaries

(d) Arteries

Answer: (c)

5. In photosynthesis, the chlorophyll is used for

(a) No function

(b) reduction of carbon dioxide

(c) breaking down the water molecule

(d) absorbing light

Answer: (d)

6. The enzymes found in secreted intestinal juice finally convert

(a) fats into fatty acids and glycerol

(b) proteins to amino acids

(c) complex carbohydrates into glucose

(d) all of these

Answer: (d)

7. The respiratory pigment in human beings is

(a) insulin

(b) enzymes

(c) haemoglobin

(d) none of these

Answer: (c)

8. This structure guards the opening of the hepatopancreatic duct into the duodenum

(a) Pyloric sphincter

(b) Sphincter of Oddi

(c) Semilunar valve

(d) Ileocaecal valve

Answer: (b)

9. Pick the correct one

(a) Serum = Blood + Fibrinogen

(b) Lymph = Plasma + RBC + WBC

(c) Plasma = Blood – Lymphocytes

(d) Blood = Plasma + RBC + WBC

Answer: (d)

10. Reduction of blood pH will

(a) reduces the rate of heartbeat

(b) reduces the blood supply to the brain

(c) releases bicarbonate ions by the liver

(d) decrease the affinity of haemoglobin with oxygen

Answer: (d)

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