ICSE 2019: The diagram given below represents an organ system in the human body.

ICSE 2019:

(a) The diagram given below represents an organ system in the human body. Study the same and answer the questions that follow: [5 marks]

(i) Identify the system.

(ii) Label the parts marked 2 and 4. Mention the function of part 5.

(iii) Name the structural and functional units of the part marked 1.

(iv) What is the fluid that accumulates in part 3? Which is the main nitrogenous waste present in it?

(v) Draw a neat, labelled diagram showing the longitudinal section of part 1.

Solution: 

The diagram given below represents an experiment to prove the importance of a factor in photosynthesis.

ICSE 2019:

(a) The diagram given below represents an experiment to prove the importance of a factor in photosynthesis. Answer the questions that follow. [5 marks]

(i) Name the factor studied in this experiment.

(ii) What will you observe in the experimental leaf after the starch test?

(iii) Explain the process of photosynthesis.

(iv) Give a balanced chemical equation to represent the process of photosynthesis.

(v) Draw a neat, labelled diagram of an experimental set-up to show that oxygen is released during photosynthesis.

Solution: