Free Body Fluids And Circulation (Daily Quiz: 2) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

The haemoglobin content per 100 ml of blood o a normal healthy human adult is :-

(a) 17-20 g

(b) 25-30 g

(c) 12-16 g

(d) 5-11 g

Question-2

Given below are four statements (a-d) regarding human blood circulatory system.

1. Arteries are thick-walled and have narrow lumen as compared to veins.
2. Angina is acute chest pain when the blood circulation to the brain is reduced.
3. Persons with blood group AB can donate blood to any person with any blood group under ABO system.
4. Calcium ions play a very important role in blood clotting.

Which two of the above statements are correct?

(a) (i) & (ii)

(b) (i) & (iv)

(c) (ii) & (iii)

(d) (iii) & (iv)

Question-3

An adult human with average health has systolic and diastolic pressures as

(a) 120 mm Hg and 80 mm Hg

(b) 80 mm Hg and 80 mm Hg

(c) 50 mm Hg and 80 mm Hg

(d) 70 mm Hg and 120 mm Hg.

Question-4

An adult human with average health has systolic and diastolic pressures as

(a) 70 mm Hg and 120 mm Hg

(b) 80 mm Hg and 80 mm Hg

(c) 120 mm Hg and 80 mm Hg

(d) 50 mm Hg and 80 mm Hg

Question-5

When the blood of a foetus is agglutinated by its mother's Rh antibodies, then which of the following condition arises as a severe anaemia?

(a) Ectopic pregnancy

(b) Immunization

(c) Erythroblastosis foetalis

(d) Both (a) and (c)