What Processes Would You Consider Essential for Maintaining Life? - Science


 What processes would you consider essential for maintaining life?



Life processes such as nutrition, respiration, transportation, excretion, etc. are essential for maintaining life.

  Is there an error in this question or solution?
Chapter 6: Life Processes - Intext Questions [Page 95]


NCERT Science Class 10
Chapter 6 Life Processes
Intext Questions | Q 4 | Page 95

Video TutorialsVIEW ALL [1]


Given below are the end products of different reactions involving glucose. Write the appropriate end product in front of the following:

(1) Anaerobic reaction =
(2) Reaction in human muscles =
(3) Aerobic respiration
(4) Reaction in plant cells =
(5) Reaction in liver =

 Why is diffusion insufficient to meet the oxygen requirementsof multi-cellular organisms like humans

What criteria do we use to decide whether something is alive?

What are outside raw materials used for by an organism?

Match the terms in column I with their uses in column II

Column I  Column II
(i) Heart (a) Pipes for transport in humans
(ii) Arteries and Veins (b) Clotting of blood
(iii) Xylem vessels (c) Pumping organ
(iv) RBC (d) Water transport in plants
(v) Platelets (e) Carrier of oxygen




Skin : Keratin : : Blood : ____________

Rewrite the food-chain given below with correct sequence.
Grasshopper– Snake– Paddyfield– Eagle– Frog

Complete the following flowchart.

Fill in the blank and explain the statement.

Our muscle cells perform ______ type of respiration during exercise.

Write definition


Write the definition.


Write definition.


Give scientific reason.

Oxygen is necessary for complete oxidation of glucose.

Give scientific reasons.

Fibers are one of the important nutrients.

Give scientific reason.

Kreb's cycle is also known as citric acid cycle.

Answer in detail.
Explain the glycolysis in detail.

Write the forms to which following food materials are converted after digestion.
2. Potato.
3. Oil.
4. Chapati

Answer in detail.

How all the life processes contribute to the growth and development of the body?

Answer in detail.

Explain the Kreb's cycle with reaction.

Complete the following chart and state which process of energy production it represents:

Explain the ‘inhalation’.

Soil fertility is determined by its ability to :

Name the organs that form the excretory system in human beings.

Find an odd one out.

Explain the Steps of Glycolysis.

Assertion: When air is passed through lime water, lime water turns milky.

Reason: Air contains 78% nitrogen and 21% oxygen.

Why do fishes die when taken out of water?

Match the words of Column (A) with that of Column (B)

Column A Column B
Phloem (i) Excretion
Nephron (ii) Translocation of food
Veins (iii) Clotting of blood 
Platelets (iv) Deoxygenated blood

In each of the following situations what happens to the rate of photosynthesis?

  1. Cloudy days
  2. No rainfall in the area
  3. Good manuring in the area
  4. Stomata get blocked due to dust

Explain the following concept in short:

Balanced Diet

Explain the following concept in short:

Role of circulatory system in energy production

Give scientific reason.

Cell division is one of the important properties of cells and organisms.

Classify vitamins according to their solubility.

Give one example of each of the classifications of vitamins.


      Forgot password?
Use app×