Page 2 - HA1

Q7 The functional unit of the kidney is called _______.
(a) Hilum
(b) Neurons
(c) Nephrons
(d) Medulla

Q8 The major waste produced by the human body is -
(a) Carbon dioxide
(b) Urea
(c) Both A and B
(d) Only B

Q9 Which organ in the human body is responsible for removing carbon dioxide from
the body?
(a) Kidney
(b) Lungs
(c) Blood
(d) Ureter

Q10 Each kidney is made up of a large number of excretory units called _________.
(a) Glomerulus
(b) Bowman’s Capsule
(c) Nephrons
(d) Blood capillaries

SUBJECTIVE

Marks Level

Q.1 Define nephron. 1 E

Q2 What is the role of urinary bladder? 1 E

Q3. (a) Draw a labelled diagram of human excretory system. 3 Av
(b) Name the organs that form the excretory system of human
beings.

Q4. (a) Complete the following table- Av
Diabetes mellitus
Presence of excess water in