Science - NCERT Solutions - GeniusJnr

Heterotrophs are organisms which are dependent on plants and other animals for food.

Which among the following organisms is not a heterotroph?

Find the median of the following data: 41, 43, 127, 99, 61, 92, 71, 58, 57 If 58 is replaced by 85, what will be the new median

Find the median of the following observations: 46, 64, 87, 41, 58, 77, 35, 90, 55, 92, 33. If 92 is replaced by 99 and 41 by 43 in the above data, find the new median?

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Plants use carbon dioxide and energy from sunlight to form complex molecules.

Plants prepare food in the form of

12, 17, 3, 14, 5, 8, 7, 15

25, 34, 31, 23, 22, 26, 35, 29, 20, 32

Give an example of each, of two irrational numbers whose:
(i) difference is a rational number.
(ii) difference is an irrational number.
(iii) sum is a rational number.
(iv) sum is an irrational number.
(v) product is an rational number.
(vi) product is an irrational number.
(vii) quotient is a rational number.
(viii) quotient is an irrational number.
 

Which of the following elements should not be a constituent of fertile soil?

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Photosynthesis is the process of manufacturing food in plants.

Which of the following factors is not essential for photosynthesis?

The leaves of a plant carry out photosynthesis. Which compound present in leaves performs photosynthesis?

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The given graph illustrates the amount of leaf debris observed in the various seasons.

The maximum natural compost formation will be during

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Chlorophyll plays a major role in plant photosynthesis.

Chlorophyll performs the function of