Biology - Study Mode

[#806] Photosynthesis fulfills which of the following requirements of the autotrophic organisms? I. Carbon II. Water III. Energy
Correct Answer

(C) I and III

Explanation

Solution: Carbon and energy requirements are fulfilled by photosynthesis.

[#807] The gas released during the photosynthesis by the green plants is
Correct Answer

(A) Oxygen

Explanation

Solution: The energy from light causes a chemical reaction that breaks down the molecules of carbon dioxide and water and reorganizes them to make the sugar (glucose) and oxygen gas.

[#808] The Mode of nutrition in which particulate food is devoured is
Correct Answer

(A) Holozoic

Explanation

Solution: The feeding mechanism is of several types. If it is entirely plant-like (photosynthesis),it is called holophytic. It is entirely (holo) animal-like (zoic), that is devouring already existing food, it is called holozoic.

[#809] They are organic compounds consisting of carbon, hydrogen and oxygen present in all living organisms.
Correct Answer

(B) Carbohydrates

Explanation

Solution: Carbohydrates are organic molecules that consist of carbon, hydrogen, and oxygen. They are made up of repeating units called saccharides. They provide cells with energy, store energy, and form structural tissues.

[#810] The energy released by 1 gram of glucose is
Correct Answer

(B) 4 kcal

Explanation

Solution: The energy released by 1 gram of glucose is 4 kcal.