(English Medium) ICSE Class 9 - CISCE Question Bank Solutions

Name any one body part where ciliated epithelium is found in humans. What is its function?

Describe one experiment you would perform to demonstrate the following phenomena: The germinating seeds produce heat.

Describe one experiment you would perform to demonstrate the following phenomena: The germinating seeds to give out carbon dioxide.

Describe one experiment each of you would perform to demonstrate the following phenomena: The germinating seeds can respire even in a total absence of air.

The following diagram refers to an apparatus which is used to demonstrate a physiological process:

What is the purpose of keeping potassium hydroxide solution in test tubes X and Y?

The following diagram refers to an apparatus which is used to demonstrate a physiological process:

Why has the coloured water risen in tubing 1? 

Given below is a set of six experimental set-ups (A-F), kept in this state for about 24 hours.

In how many flasks, the different plant parts have been kept under observation?

Given below is a set of six experimental set-ups (A-F), kept in this state for about 24 hours.

What is the purpose of keeping a test-tube containing limewater in each flask?

Given below is a set of six experimental set-ups (A-F), kept in this state for about 24 hours.

In which tube/tubes the limewater will turn milky?

Given below is a set of six experimental set-ups (A-F), kept in this state for about 24 hours.

What is the purpose of the set-up F?

Given below is a set of six experimental set-ups (A-F), kept in this state for about 24 hours.

What conclusion can you draw from this experiment?

In order to study and prove a particular physiological process in plants, the following experiment was set up. Study the same and then answer the question that follows:  

Name the physiological process being studied.

In order to study and prove a particular physiological process in plants, the following experiment was set up. Study the same and then answer the question that follows: 

What is the function of soda lime in the bottle 'A' and why is limewater placed in bottle 'B'?

In order to study and prove a particular physiological process in plants, the following experiment was set up. Study the same and then answer the question that follow:

What change would you expect to observe in bottle 'D'?

In order to study and prove a particular physiological process in plants, the following experiment was set up. Study the same and then answer the question that follow:

Represent the physiological process named in question 4.1 in the form of a chemical equation.

In order to study and prove a particular physiological process in plants, the following experiment was set up. Study the same and then answer the question that follow:

In order to obtain accurate results, the bottle 'C' should be covered with black cloth. Why?

In order to study and prove a particular physiological process in plants, the following experiment was set up. Study the same and then answer the question that follow:

If bottle 'C' was fitted with a 3-holed rubber stopper and a thermometer was introduced in such a way that its bulb reaches close to the germinating seeds, what would you observe? Why?

Name the following:

The drug based on arsenic compound, produced in 1910, which killed germs of syphilis.

How many types of epithelial tissues have you studied? Write their functions.

Give structure, types and functions in brief  of the following:
Epithelial tissue