Excretory System

Q. The process of removal of faecal matter from the body through the anus is known as _________ .

1. assimilation
2. ingestion
3. egestion
4. absorption

Q.

Which part of the excretory system stores the urine before excretion?

1. Ureters

2. Kidney

3. Bladder

4. Urethra

Q. Explain the structure of excretory system with a neat labelled diagram. (4 marks)

Q. The process of removal of faecal matter from the body through the anus is known as _________ .

1. assimilation
2. ingestion
3. egestion
4. absorption

Q. Arrange the following in the correct sequence:
1. Urine enters the ureter.
2. Urine is stored in the urinary bladder.
3. Some substances in the initial filtrate are selectively reabsorbed.

1. 1 → 2 → 3

2. 2 → 3 → 1

3. 3 → 1 → 2

4. 3 → 2 → 1

Q. Which of the following organs do not come under the alimentary canal?

1. Buccal cavity
2. Kidney
3. Stomach
4. Small intestine

Q. Carbon dioxide is a waste byproduct of cellular respiration. This is removed out of the body by the .

1. lungs
2. kidney
3. heart
4. skin

Q. Contraction and relaxation of muscles in the lead to urination.

1. kidney
2. ureter
3. urinary bladder
4. stomach

Q. is removal of metabolic wastes from the body.

1. Excretion
2. Digestion
3. Egestion
4. Respiration

Q. Pair up the wastes with the process by which it is removed.

1. Urea
2. Undigested food
3. Carbon dioxide
4. Urination
5. Defecation
6. Exhalation