Question

Q3. Pick the odd-one out giving reasons-
1. RBC's, WBC's, Plasma , Capillaries
2. Carbon-dioxide , Urea , Oxygen , Uric acid
3. Kidney , Liver , Urinary
bladder , Ureter.
4. Lungs , Large intestine , Pancreas, Skin.

Answer 1

Answer:

1. capillaries , because others are the part of blood but it is a type of blood vessel.

2. oxygen , because others are metabolic wastes of the body but it is needed by the body.

3. ureter , because others are the part of excretory system but It is a part of reproductive system

4. skin, because others are internal organs except it.

or Pancreas , because others produce metabolic wastes but it donot.