Nutrition in plants Worksheet-6

Nutrition in plants Worksheet-6

Multiple-Choice Questions:

11. Which of the following is the ultimate source of energy for all living organisms?

(A) Food              (B) Milk                (C) Sun                 (D) Electricity

12. Which of the following grow into a new fungi plant?

(A) Seeds             (B) Spores           (C) Pollen             (D) None of these

13. Mushroom get its food:

(A) From dead and decaying plants

(B) From photosynthesis

(C) By eating small insects which come near it

(D) From the water we pour near it

14. The bacteria present in root nodules of leguminous plants that fixes the atmospheric nitrogen is :

(A) Rhizobium

(B) Blue-green algae    

(C) Nitrifying bacteria

(D) Paramaecium

15. Which of the following is a carnivor­ous plant?

(A)                  (B)

(C)                                  (D)

True/False Questions:

16. Algae can’t prepare their own food.
17. Pitcher plant is a saprophyte.
18. Cuscuta lacks chlorophyll.
19. Solar energy is stored by the leaves.

Fill in the blanks:

20. Carbohydrates are made up of carbon, hydrogen & _____.

Miscellaneous Questions:

AN ACTIVITY FOR TESTING LEAVES FOR STARCH

Leaves make their own food by the process of ____ (1) ___. This experiment demonstrates the presence of starch in a leaf. The leaf is placed in the ___ (2) ___ for 10 minutes. Then ____ (3) ____ is added to it. Allow the solution to boil for about a minute until all the colour disappears from the leaf. The leaf is removed from the ethanol. It is kept back in the _____ (4) ____ to soften for 10 seconds. The leaf is spread on a white tile and ____ (5) ____ is used to test starch.  A ____ (6) ___ indicates the presence of starch is present.

Answer Key:

11. (C)
12. (B)
13. (A)
14. (A)
15. (A)

True/False Questions:

16. False
17. False
18. True
19. True

Fill in the blanks:

20. Oxygen

Miscellaneous Questions:

1. Photosynthesis
2. Boiling water
3. Ethanol
4. Hot water
5. Iodine solution
6. Blue-black