CBSE Class 7 Science Nutrition in Plants Assignment

QI Answer : the following questions-

1 Name the process by which green plants make their food.
Answer : Photosynthesis

2 What type of heterotroph is a frog?
Answer : Carnivore

3 What is the mode of nutrition in fungi?
Answer : Saprophytic

4 Where does the bacterium Rhizobium live?
Answer : In the root nodules in a legume

5 Which type of nutrition is shown by non green plants?
Answer : Heterotrophic

6 Name one plant showing the saprophytic mode of nutrition.
Answer : Fungi

7 Name the two components in the thallus of Lichens.
Answer : Alga and fungus

8 What type of heterotroph is a deer?
Answer : Herbivores

9 Name any 2 factors affecting the rate of photosynthesis?
Answer : Light intensity,Co2 and water

10 What type of heterotroph is a crow?
Answer : Omnivore

Q II Tick the odd –one out giving reason-

1 Green plants, Photosynthesis, Producer, Carnivores, Carbon di oxide.
Answer : Carnivore because it is a heterotroph and not related to the process of photosynthesis.

2 Starch, Iodine solution, Stomata, Saprophyte.
Answer : Saprophyte because it is not related to starch test.

3 Water, Chlorophyll, Root hair, Carbon di oxide.
Answer : Root hair because it is associated with absorption of water from soil.

4 Fungi, Mushroom, Saprophytes, Cuscuta.
Answer : Cuscuta because it is totally parasitic plant.

5 Manure, Urea, Ammonium nitrate, Rhizobium.
Answer : Rhizobium because it is a natural biological nitrogen fixture.

Please refer to attached file for CBSE Class 7 Science Nutrition in Plants Assignment