Life Processes Objective Questions Class 10

Life Processes Objective Questions Class 10

1. An organism performs various processes for the living; we call these processes as:

Life processes.

2. Examples of life processes are:

Digestion, locomotion, reproduction, respiration.

3. Reproduction is not necessary for an organism for living then how is it a life process?

Reproduction maintains the continuity of life so it is also a life process.

4. How the exchange of gases occurs in unicellular organisms?

Unicellular organisms like an amoeba, paramecium exchanges gases through simple diffusion.

5. Organism who make food using the energy of sunlight is:

Green plants, cyanobacteria, and algae.

6. Organisms that prepare food by own are called:

Autotrophs

7. Process of conversion of carbon dioxide and water using the energy of sunlight by a plant is:

Photosynthesis

8. The pigment that traps the energy of sunlight is…

Chlorophyll.

9. Which color does the chlorophyll does not absorb…

Green

10. Which part of the plant contains chlorophyll?

Green parts of leaves

11. The plant stores the formed glucose in the form of…

Starch

12. Starch turns the iodine solution into…

Blue

13. A chlorophyll storing organelle is called

Chloroplast

14. Chemically, photosynthesis is a…

Redox reaction

15. Which part gets oxidised and which part is reduced during the photosynthesis?

Water transfers its electron to carbon dioxide, so water is oxidised while carbon dioxide is reduced.

16. Energy currency of a cell is…

ATP

17. Breakdown of glucose into carbon dioxide and water is

Cellular respiration

18. Cellular respiration occurs in..

Mitochondria of every cell.

18. Mitochondria are also called as…

The powerhouse of the cell

Fill in the Blanks

1. ………. muscles control the egestion of food from the stomach.
2. ………. is the longest tubular part of the digestive system.
3. Aerobic respiration takes place in the ………..
4. ………. is the site of the complete digestion of carbohydrates, proteins & fats.
5. Pyruvate breakdown in plants using oxygen takes place in the ………..
6. Rings of cartilage are present in the windpipe to ensure that the ………..
7. The blood has ………. cells _ _ _ _ _  plug the leakage in the vessels by helping to clot the blood at the point of injury.
8. ………. transports food produced during photosynthesis from the leaves to other parts of the plant.

Answers

1. sphincterLife Processes Objective Questions
2. Small intestine
3. cytoplasm
4. Small intestine
5. mitochondria
6. air passage does not collapse
7. platelet
8. phloem

True  or false

Glomerulus acts as a sieve between waste and blood cells.[T/F]

Ans: T

Bowman’s capsule is a part of heart.[T/F]

Ans: F

The peristaltic movement of the esophagus pushes food into the alimentary canal. [T/F]

Ans: T

The aerobic process produces lesser energy than the anaerobic process produces. [T/F]

Ans: F
Before testing for starch in a leaf, chlorophyll should be removed as it interferes in the test due to its green color.

Ans: T
The process in which the food is taken inside the body cells & used for energy, growth & repair is called egestion. [T/F]

Ans: F
The small intestine in a human adult is about 7 m. [T/F]

Ans: T

saliva as well as pancreatic juice both digests carbohydrate. [T/F]

Ans: T
Aerobic respiration in the mitochondria of cells. [T/F]

Ans: T
The respiration in plants happens at a fast rate whereas in animals it occurs at a much slower rate. [T/F]
Ans: F

See Also:

MCQ Class 10

Life Processes Objective Questions Class 10

ref: Ncert.

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