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

Choose the correct answer:

Mendel was born in __________

Define the following:

Turgor pressure

Name the following:

The uptake of mineral ions against concentration gradient.

Given below is the overall chemical equation of photosynthesis which is incomplete in certain respects.

\[\ce{CO2 + H2O  ->[Chlorophyll] C6H12O6 + H2O + O2} \]

Rewrite the equation in its complete form .

Describe an experiment to prove that sunlight is necessary for photosynthesis.

(i) Fill in the blanks in the following equations of two chemical reactions:

(a) \[\ce{---+12H2O->[Light energy]C6H12O6 + --- + ----}\]

(b) \[\ce{--- 6O2->[Chlorophyll] 6 --- +6 ---- + Energy}\]

(ii) Name the two processes represented by the above two reactions. 

(iii) State any two differences in these processes other than those already indicated in the reactions. 

(iv) Which one of these two reactions is the supporter of all life on earth? 

A potted destarched plant was taken in order to prove that light is necessary for photosynthesis.
(i) What is meant by 'destarched plant'? How can it be destarched?
(ii) Using the destarched plant describe step by step how you would proceed to prove that in the absence of light the leaf cannot manufacture starch.

Choose the correct answer:
The amount of water present in blood plasma is __________

Name the following:
Gland secreting adrenaline

Name the hormone responsible for the following function:
Increase in heartbeat

Name the hormone responsible for the following function:
Prepares the body during emergency

Name the hormone responsible for the following function:
Increased blood supply to muscles.

Choose the correct answer:
Adrenaline is secreted by ___________