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

Name the Following
The organ which produces urea.

Bile, Urea, Uric acid, Ammonia

Mention the exact location of the Prostate gland.

Give biological reasons for the following statements: There is frequent urination in winter than in summer

The nephrons discharge their urine at ______.

_____________ secreted by the (ii) _____________ lobe of the pituitary gland. If this hormone secretion is reduced, there is an increased production of urine. This disorder is called (iii) ____________. Sometimes excess glucose is passed with urine due to hyposecretion of another hormone called (iv) _____________ leading to the cause of a disease called (v) ______________.

the Biological/technical term Pigment providing colour to urine. 

The Biological/technical term for The removal of nitrogenous wastes from the body

The form in which glucose in stored in liver. 

State the exact location of the Loop of Henle.

the biological/technical terms for the hormone increasing reabsorption of water by kidney tubules

An apparatus, as shown below, was set up to investigate a physiological process in plants. The setup was kept in sunlight for two hours. Droplets of water were then seen inside the bell jar. Answer the questions that follow:

1. Name the process being studied.
2. Explain the process named above in Q.3(a)(i).
3. Why was the pot covered with a plastic sheet?
4. Suggest a suitable control for this experiment.
5. Mention two ways in which this process is beneficial to plants.
6. List three adaptations in plants to reduce the above mentioned process.

The diagram given below shows a section of human kidney. Study the diagram carefully and answer the questions that follow :

(i) Label the parts numbered 1 to 4.
(ii) Why does part ‘2’ have a striped appearance?
(iii) What is the fluid that passes down part ‘4’? Name the main nitrogenous waste present in it.
(iv) Mention the structural and functional units of kidneys.
(v) Name the two major steps in the formation of the fluid mentioned in Q.5 (a) (iii).

The diagram given below shows the male urinogenital system of a human being. Study the diagram and answer the questions that follow:

(i) Label the parts numbered 1 to 8.
(ii) Name the corresponding structure of part (4) in female  reproductive system.
(iii) What is the role of part 7?

Explain Selective reabsorption

Identify the odd one.

The given diagram represents a nephron and its blood supply. Study the diagram and answer the following questions: 

(i) Label parts 1, 2, 3 and 4.
(ii) State the reason for the high hydrostatic pressure in the glomerulus.
(iii) Name the blood vessel which contains the least amount of urea in this diagram.
(iv) Name the two main stages of urine formation.
(v) Name the part of the nephron which lies in the renal medulla.

Correct the following statements by changing the underlined words:

The normal pale yellow colour of the urine is due to the presence of the pigment Melanin.

Blood in the renal artery or renal vein (Which one has more urea ?)

The diagram given below is that of a structure present in a human kidney.

Study the same and answer the questions that follow:

1) Name the structure represented in the diagram

2) What is the liquid entering part ‘1’ called?

Name two substances present in this liquid that are reabsorbed in the tubule.

3) What is the fluid that comes to part ‘2’ called?

Name the main nitrogenous waste in it.

4) Mention the three main steps involved in the formation of the fluid mentioned in (iii) above

5) Name the substance which may be present in the fluid in part ‘2’ if a person suffers from Diabetes mellitus.