Wednesday 8 April 2020


CLASS 7 
SCIENCE
WORKSHEET
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.

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 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






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?
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 _______
15.autotrophs


Answer these questions- (3 Marks each)
1. What is symbiosis relationship?
2. How are saprophytes, parasites & symbionts different from each other?
3. How are water and minerals transported to the plant?
4.What are parasitic plants? Explain with an example?
5.How do leaves help a plant make its food?
6.Explain the mechanism of trapping insects in Venus flytrap?
7.What are the different types of heterotrophic nutrition in plants? Give two examples of each?
8.All green plants are autotrophs. Is this statement true? Justify your answer?
Long answer questions (5 marks)
1. Show with the help of sketch that plants are the ultimate source of food?
2. How are nutrients replenished in the soil?
3. Explain the proses of photosynthesis?
4. 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
Photosynthesis for 7th class animated tutorial
Activity to look for in animated form
Good essay with easy language and explaination

link to this page by copying the following text

<a href="https://physicscatalyst.com/class-7/nutrition-in-plants-questions-1.php">Class 7 CBSE Science Nutrition in Plants Worksheet-1</a>
Also Read
Notes
Nutrition in Plants Notes
Assignments
Nutrition in Plants Important questions
Nutrition in Plants Worksheet
NCERT Solutions Nutrition in Plants Class 7



Reference Books for class 7 Science

Given below are the links of some of the reference books for class 7 math.

Science for Class 7 by Lakhmir Singh
Science Foundation Course For JEE/NEET/NSO/Olympiad - Class 7
CBSE All In One Science Class 7 by Arihant Experts (Author)
IIT Foundation Physics, Chemistry & Maths for Class 7
You can use above books for extra knowledge and practicing different questions.






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