NCERT Solutions for class 10 Science chapter 6: Life Processes

NCERT Solutions for class 10 science chapter 6 Life Processes are provided in this article. Some of the important topics in Life process chapter include:

Expected no of questions: 3 to 4 questions of around 6 marks

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NCERT Solutions for Class 10 Science Chapter 6

NCERT Solutions for Class 10 Science Chapter 6 Life Process is given below.

Class 10 Science Chapter 6 Life Process – Important Topics

Life processes are referred to as series of actions which together perform the function of maintenance of life. Life process includes:

Nutrition: The process by which living organisms acquire food for nourishment and their sustenance is called Nutrition. These are divided into Autotrophic and Heterotrophic nutrition.
Respiration: Respiration can be defined as the process through which an exchange of gases takes place in the body of an organism. It helps in the burning of food so that energy can be released.
Transportation: The transportation process in human beings is done through the circulatory system. It mainly consists of blood, blood vessels, and the heart. It is mainly responsible for the transportation of oxygen to all parts and the removal of carbon dioxide.
Excretion: The process of removal of waste products and other substances which are not useful for the human body is termed Excretion.

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CBSE X Related Questions

1.
When you look at an object very close to your eyes, the:
- Ciliary muscles of your eye contract and the eye lens becomes thick.
- Ciliary muscles of your eye get relaxed and the eye lens becomes thick.
- Ciliary muscles of your eye contract and the eye lens becomes thin.
- Ciliary muscles of your eye get relaxed and the eye lens becomes thin.
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2.
State two differences between the act of chewing food and salivation on sight of food.
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3.
How many bulbs of resistance \( 8 \ \Omega \) each should be connected in parallel combination to draw a current of \( 2 \text{ A} \) from a battery of \( 4 \text{ V} \) ?
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4.
Sex is determined by different factors in various species. However, in human beings, it is determined genetically. Which amongst the following option(s) is/are correct for human beings ?
Gamete carrying X chromosome from female parent.
Gamete carrying X chromosome from male parent.
Gamete carrying Y chromosome from male parent.
- (ii) and (iii)
- (i) only
- (i) and (iii)
- (iii) only
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5.
(i) \( \text{AgNO}_3 + \text{NaCl} \rightarrow \text{NaNO}_3 + \text{AgCl} \)
(ii) \( \text{K}_2\text{SO}_4 + \text{BaCl}_2 \rightarrow \text{BaSO}_4 + 2\text{KCl} \)
Which of the following options clearly describes both the reactions?
- (i) is double displacement, (ii) is displacement reaction.
- Both, (i) and (ii) are displacement reactions and precipitation reactions.
- Both, (i) and (ii) are double displacement reactions and precipitation reactions.
- (i) is displacement, (ii) is double displacement reaction.
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6.
How does the change in curvature of the eye lens help us in the process of seeing the nearby objects clearly?
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