Life processes, Nutrients

Q 1: Define

1) Life processes

Ans: -    The processes that helps the living being to sustain the life is called as life processes.
 Nutrition Respiration, Excretion, Transportation, Reproduction, Sensitivity & Growth are some of the processes that help the living being to sustain.

2)  Nutrients

 Ans: - Food contains several essential components called as Nutrients.

3) What is the importance of food for living organisms?

Ans: 1) Living organisms require energy to perform various activities.

2. This energy supplied by food.

3. It is the kind of fuel containing several nutrients.

4. On the basis of function nutrients are divided into three types –

  i) Energy giving nutrients –   Carbohydrates & fat.

  ii)  Body building nutrients – Proteins.

  iii) Protective & regulating nutrients-Vitamins & Mineral,

5. Due to this reasons food is essential for living organisms.

4) Which are two types of nutrients on the basis of Chemical nature?

        Ans: - On the basis of chemical nature nutrients are of two types -

        1) Organic nutrients                  2) Inorganic nutrients.

Organic nutrients which contain carbohydrates, fats, proteins are animal & plant origin. Plants get their nutrients from inorganic substance present in & atmosphere through leaves & roots.

Q 2: - Fill in the Blanks

1) Living being gets ---------- from the food.

2) Food contains several components called as ------

3) ---------- is the body building nutrients

4) Plants get their nutrition from soil & atmosphere through---------- &----------.

Ans: - 1. Energy            2. Nutrients        3. Proteins           4. Leaves & roots.

Life’s internal secrets, Life process, importance of food for living organisms, Fill in the Blanks, types of nutrients on the basis of Chemical nature, Organic nutrients, Inorganic nutrients., Energy, Nutrients, Proteins, Leaves & roots.