Nutrition in Plants worksheet

This is a Class 7 CBSE Science Nutrition in Plants Worksheet. I have covered most of the topics. Take your time read the notes and practice all the questions in this test paper

Fill in the blanks(1 Marks each)

(1) Green plants are called __________ since they synthesise their own food.
(2) The food synthesised by the plants is stored as__________
(3) In photosynthesis solar energy is captured by the pigment called__________
(4) During photosynthesis plants take in _________ and release____________
(5) Proteins contain__________
(6) Framers enrich the soil by adding __________ and__________
(7) In most of green plants, photosynthesis takes place in the__________
(8) Plants are unable to use atmospheric__________
(9) Green patches in stagnant water are aquatic__________
(10) During photosynthesis, __________ energy is captured by the leaves and stored as food.
(11) The occurrence of photosynthesis is tested by the presence of _____________ in the leaf.
(12) In lichena ______________ and _____________ live in symbotic association.
(13) During photosynthesis ___________________________ energy is converted into the _________________ energy of food.
(14) Leguminous plants are examples of _____________________ association.
(15) _______________________________ plants have Rhizobium bacteria in their roots.

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
3. Which of these components of food can be synthesized by plants-?
(d)All of these
4. Which of these is/are necessary for photosynthesis to takes place-?
(a)Carbon dioxide
(d)All of these
5. The trapped insect gets entangled in the hair in-
(a)Green plant
(b)Insectivorous plants
(d)None of these

Very Short answer type questions (1 marks)

1. What are stomata?
2. Define autotrophs?
3. Name the end product of photosynthesis?
4. Name the green pigment present in the leave?
5. What are lichens?
6.What is nutrition?
7.Are birds autotrophs?
8.What is a heterotroph?
9.Give an example of saprophyte?
10.Do leaves that do not appear green have chlorophyll?
11.Name the gas that is produced during photosynthesis?
12.Give an example of a partial parasitic plant?
13.Distinguish between autotrophs and heterotrophs?
14.Write the word equation for photosynthesis?

Very Short answer type questions (1 marks)

1.The green coloured pigment present in the leaves of green plants _____________
2.The small pores on the lower surface of a leaf ___________________
3.Insectivorous plants grow in a soil which is deficient in ______________
4.Plants which feed on dead and decaying matter _____________________
5.Type of nutrition found in Amarbel __________________
6.Special structure in Cuscuta for absorbing readymade food from the host plant _________________________
7.Centrally located spherical structure in cell is ___________________
8.Kidney shaped cells which guard each stoma ____________________
9.A jelly like substance present between plasma membrane and nucleus is known as _________________________
10.The plant on which a parasitic plants climbs is known as _____________
11.A thin outer boundary with which a cell is enclosed __________________________

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 _______

Solved Questions

1. What is the role of stomata in photosynthesis?

2.What do chloroplasts contain?

3.Where do Rhizobium bacteria live?

4.What do the phloem tube transport in the plant?

5.Define rotation of crops?

6.Write a note on chlorophyll?

7. Give two examples for each of the following:
(a) Parasites
(b) Autotrophs
(c) Saprophytes
(d) Insectivorous plants
(e) Symbiotic plants
(f) Leguminous plants

8. How do leguminous plants replenish in the soil?

9.What is the difference between a complete parasite and a partial parasite? Give examples of each?

10.Which organisms have a symbiotic relationship to form lichens?

11.How does a saprophyte obtain nutrition?

12.How can you prove that the process of photosynthesis requires sunlight?

13.How would you test the presence of starch in leaves?

Resources for further reading
These are most of the resources we referred while preparing the notes for this chapter Nutretion in plants
  1. Photosynthesis for 7th class animated tutorial
  2. Activity to look for in animated form
  3. Good essay with easy language and explaination

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