MEDIUM
7th CBSE
IMPORTANT
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Why do we take a variegated leaf in an experiment to show that chlorophyll is needed for photosynthesis?

Important Questions on Nutrition in Plants

MEDIUM
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 1 - Nutrition in Plants>EXERCISE>Q 2
With the help of an experiment show that plants need sunlight to make food.
MEDIUM
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 1 - Nutrition in Plants>EXERCISE>Q 3
Write a note on heterotrophic nutrition. List the different types of heterotrophic nutrition seen in plants by giving examples.
EASY
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 1 - Nutrition in Plants>EXERCISE>Q 4
How does soil replenish nutrients?
EASY
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 1 - Nutrition in Plants>EXERCISE>Q 1
Some leguminous plants require a lot of nitrogen to synthesise proteins. There is a bacteria called Rhizobium present in the roots of these plants, which helps them to get nitrogen from the atmosphere to synthesise proteins. Which of the given statements about Rhizobium is incorrect?
EASY
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 1 - Nutrition in Plants>EXERCISE>Q 2
Two different organisms A and B are growing together in a garden. It looks as if they are same organism. The organism A is an autotroph and prepares its own food and shares with B. Organism B is a saprophyte and provides water and minerals to plant A for photosynthesis.
a. Name organisms A and B. Also, write the relationship exhibited by both of them.
MEDIUM
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 1 - Nutrition in Plants>EXERCISE>Q 3
Is it true to say that if there are no plants on the Earth, all animals will die? Explain to support your answer.
MEDIUM
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 1 - Nutrition in Plants>EXERCISE>Q 1
An aquatic green plant has some leaves inside the water and very few outsides. Carbon dioxide from the atmosphere will be available freely to the leaves outside water. Do you think all the leaves of the plant will be able to synthesise food through the process of photosynthesis? 
EASY
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 1 - Nutrition in Plants>EXERCISE>Q 2
Do you think that the intensity and duration of light play role in photosynthesis? If yes, then discuss how.