EASY
7th CBSE
IMPORTANT
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Australian Sundew is a part autotroph and part heterotroph.

Write two features of the plant that support this.

Important Questions on Nutrition in Plants

EASY
7th CBSE
IMPORTANT
Which of the following organisms obtain nutrients from dead and decaying organisms?
EASY
7th CBSE
IMPORTANT

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X and Y show the direction of flow of substances from one source to another.

Which substances move in X direction and which substances move in Y direction.

EASY
7th CBSE
IMPORTANT

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Parasite is an organism that lives in or on the body of another organism. It receives energy and nutrients from the host organism. Parasite does not give anything in return to its host. Is the group of fungi shown in the picture a type of parasite? Explain your answer.

EASY
7th CBSE
IMPORTANT

The sun provides energy for all living things. Gurmeet wrote two statements to explain the above fact.

Statement 1: All autotrophs prepare their own food in the presence of sunlight.

Which of the following should be Statement 2?

HARD
7th CBSE
IMPORTANT

Two leaves, M and N, were used in an experiment to demonstrate the conditions needed for photosynthesis to take place. Both leaves are taken from different species of plants. They are subjected to the same conditions. 

After one hour under the Sun, both leaves are tested with iodine solution. The results are shown in the table.

Leaf M Test with iodine-the leaf turns blue-black
Leaf N Test with iodine-the leaf turns brown

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Which of the following statements best explains the results of the experiment? 

EASY
7th CBSE
IMPORTANT

Unscramble the options and choose the correct option for the statement given below.

“The part of plant that absorbs light for photosynthesis.’’

EASY
7th CBSE
IMPORTANT

Which of the following statements is/are correct?

(i) All green plants can prepare their own food.

(ii) Most animals are autotrophs.

(iii) Carbon dioxide is not required for photosynthesis.

(iv) Oxygen is liberated during photosynthesis.

Choose the correct answer from the options below:

EASY
7th CBSE
IMPORTANT

Advika took two healthy green plants of equal size, put them in two boxes, P and Q, made of different materials and placed them under the Sun, as shown in the figure. She watered the plants daily, but the plant in set-up P died, while the plant in set-up Q grew well. Which of the following best describes this? 
 

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