CLASS 7 ASSIGNMENT  NUTRITION IN PLANTS.
TAKE A PRINT OUT ATTACH A RULED PAPER AND SOLVE THE ASSIGNMENT.

Fill in the blanks:

1. The components of food which are necessary for our body are called _______________

2. Green plants synthesise their own food themselves by the process of __________________.

3. ______________________ is the mode of taking food by an organism and its utilization by the body.

4. Complex chemical substances such as ______________ are the products of photosynthesis.

5. ___________________ gas is produced during photosynthesis.

6. Organisms that are dependent on others for their nutrition are called ______________________

7. _________________ are the tiny pores present on the surface of the leaves and are surrounded by guard cells.

8. ____________________is the ultimate source of energy for all living organisms.

9. Organisms which derive their nutrition from dead decaying matter are called _______________.

10. Some organisms live together and share shelter and nutrients, this is called _____________________.

11. Carbohydrates are made up of _________,__________ and __________.

Name the following :

1. A bacterium that can take atmospheric nitrogen and convert it into a soluble form.

2. An insectivorous plant.

3. The mode of nutrition in mushrooms.

4. The indicator used to test the presence of starch in leaves.