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

List any three major factors that accelerate the rate of transpiration. 

There is a general belief that forests tend to bring more frequent rains. Can you explain it scientifically? 

List the four advantages of transpiration to the plants. 

Mention any three methods by which the plants tend to reduce transpiration. 

In an experiment, four freshly plucked leaves (A-D) of a plant, such as those of china – rose, were treated as follows:
(a) Coated with Vaseline on its upper surface.
(b) coated on the lower surface.
(c) coated on both surface
(d) left uncoated.
All the four leaves A, B, C & D were left in a room for about 24 hours.
(i) which leaf would become most limp? Why?
(ii) which leaf would show least limping? Why?

 Choose the correct answer from the four options given below : 
Which one of the following does not affect the rate of transpiration ? 

Expand the following biological abbreviations :
(i) ABA 

Expand the following biological abbreviations : 
IAA

 Given below is an apparatus which has setup to investigate a physiological process in plants. The setup was placed in bright sunlight. Answer the questions that follow:

Name the process being studies. Define the process. 

Define the following:

Osmosis

Define the following:

Diffusion

Define the following:

Hypertonic solution

Define the term:

Plasmolysis

Distinguish between the following:

Filtration and diffusion    

Distinguish between the following:

Turgor pressure and osmotic pressure

Distinguish between the following:

Hypotonic and Hypertonic solutions

Distinguish between the following:

Plasmolysis and deplasmolysis