(English Medium) ICSE Class 10 - CISCE Question Bank Solutions

Differentiate: Cretinism and Myxedema.

What is meant by the photolysis of water?

Differentiate: Gigantism and Acromegaly.

Oxygen given out during photosynthesis comes from water. Explain this statement.

Differentiate: Acromegaly and Myxedema.

How is the rate of photosynthesis affected when a green plant gets the green light?

Explain, why respiration is said to be a reversed process of photosynthesis?

Name the molecules which are called assimilatory power? Why are they called so?

What is the law of limiting factors?

Name the Following: Hormone controls absorption of water from kidney tubules.

Name the Following: Hormone secreted by corpus luteum.

Complete the following food chain by writing the names of appropriate organisms in the blanks:

Grass → __________ → Snake → __________

Complete the following food chain by writing the names of appropriate organisms in the blanks:

 → __________ → __________ → Hen → Man

Complete the following food chain by writing the names of appropriate organisms in the blank:

Grass → __________ → Lion

Complete the following food chain by writing the names of appropriate organisms in the blanks:

 __________ → Mouse → _________ → Peaock

Write an experiment to demonstrate that CO₂ is necessary for photosynthesis.

 All life on earth Would come to an end if there were no green plants.

Photosynthesis is considered as a process supporting all life on earth.

Respiration is said to be the reversal of photosynthesis.

The figure below represents the vertical section of a leaf:

(i) Name the parts 1 to 5.
(ii) How many veins have been shown?
(iii) State the functions of parts 4 and 5.