Question

Exercise
1. Why do organisms need to take food?
2. Distinguish between a parasite and a saprotroph.
3. How would you test the presence of starch in leaves
4. Give a brief description of the process of synthesis of
5. Show with the help of a sketch that the plants are t
of food.
6. Fill in the blanks:
(a) Green plants are called
their own food.
sinआंसर ​

Answer 1

Answer:

l

Explanation:

Organisms need to take food becauseorganisms need energy to perform any activity or function and they get energy from food. ... ...

The organism that grows on the body of another organism and derives nutrients from it is known as a parasite. ...

The presence of starch in leaves can be tested by the Iodine test.

Answer 2

Answer

1. answer: organisms need to take food to get energy and perform life processes.
2. Parasite: parasite are organisms that depend upon another organisms fors food to the host. Example- cuscuta, mosquitoes etc...

Saprotrophs: saprotrophs are organisms

that obtained nutrition from dead and decaying organic matter. Examples: fungi and some bacteria

4. The process by which plants by which plants make food is photosynthesis. Photosynthesis is the process in which green plants use sunlight to make their own food

6. Green plants are called autotroph since they synthesis their own food.