CBSE Class 10 Science Chapter 6 Life Processes Unsolved MCQ

Q.1. Tick the correct statement.
(a) Arteries carry blood away from the heart while veins carry blood towards heart.
(b) Veins carry blood away from the heart while arteries carry blood towards heart.
(c) Both of them carry blood in the same direction.
(d) Either of them can carry blood away from the blood.

Q.2. Artificial removal of nitrogenous wastes from the human body in the event of kidney failure is
(a) Plasmolysis
(b) Dialysis
(c) Diffusion
(d) Osmosis

Q.3. The function of salivary amylase is to convert
(a) Fats into fatty acids.
(b) Proteins into amino acids.
(c) Starch into sugar.
(d) Sugar into starch

Q.4. The parts shown as A and B in the given diagram are
The parts shown as A and B in the given diagram are
a) A is epidermal cell, B is stomatal pore
b) A is guard cell, B is stomatal pore
c) A is epidermal cell, B is guard cell
d) A is guard cells, B is epidermal cell

Q.5. The kidneys in human beings are a part of the system for
(a) nutrition.
(b) respiration.
(c) excretion.
(d) transportation.

Q.6. The xylem in plants are responsible for
(a) transport of water.
(b) transport of food.
(c) transport of amino acids.
(d) transport of oxygen.

Q.7. The autotrophic mode of nutrition requires
(a) carbon dioxide and water.
(b) chlorophyll.
(c) sunlight.
(d) all of the above.

Q.8. The breakdown of pyruvate to give carbon dioxide, water and energy takes place in
(a) cytoplasm.
(b) mitochondria.
(c) chloroplast.
(d) nucleus.

Q.9. Movement of food through oesophagus is due to
(a) Lubrication by saliva
(b) Peristalsis
(c) Gravitational Pull
(d) All of the above

Q.10. Where is bile produced?
(a) Gall bladder (b) Blood
(c) Liver (d) Spleen

BIOLOGY: FOR CBSE CLASS 10 (Science Book 1) Kindle Edition

by MANJU KAUSHIK (Author)  Format: Kindle Edition

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