WORKSHEET-1 Class.7 - Chapter.1- NUTRITION IN PLANTS

WORKSHEET-1

Class.7 - Chapter.1- NUTRITION IN PLANTS

Fill in the blanks (1 Marks each)

1.Chlorophyll containing structure in a plant cell _______
2.Chlorophyll helps the plant to _______
3.An organism that obtains nutrients from decaying organic matter is called _______
4.Light energy is converted into chemical energy during the process of _______
5.The food synthesized by the plant is stored as_______
6.The food factories of the autotrophic plants are their _______
7.Mistletoe is an example of _______
8.Most plants and unicellular algae are _______
9.Insectivorous plants are _______
10.During photosynthesis the stomata helps in the intake of _______
11.The pipe like structures that transport the food in plants are called _______
12.Rhizobium bacteria that live in roots of certain plants _______
13.Carbon dioxide is absorbed by the plant through an opening called _______
14.The water taken up into the leaves make the guard cells _______
15.Organisms that make their own food are called _______

Multiple choice questions (1 marks)

1. Amarbel is an example of –
(a) Autotroph
(b) Parasite
(c) Heterotroph
(d) Host
2. The plant which traps a feed on insects is-
(a) Cucuta
(b) Rose
(c) Pitcher plant
(d) sunflower
3. Which of these components of food can be mainly synthesized by plants?
(a) Carbohydrate
(b) Fats
(c) Proteins
(d) All of these
4. Which of these is/are necessary for photosynthesis to takes place-?
(a) Carbon dioxide
(b) Chlorophyll
(c) Water
(d) All of these
5. The trapped insect gets entangled in the hair in-
(a) Green plant
(b) Insectivorous plants
(c) Grass
(d) None of these

Question.3
Answer the following. (5 marks)
How would you test the presence of starch in leaves?

Total marks=25