TRUE / FALSE

Question 11 Mark

The walls of auricles are thicker than those of ventricles.

Answer

False

Correct: The walls of auricles are thinner than those of ventricles.

Question 21 Mark

Blood group $A B$ is universal donor.

Answer

False

Correct: Blood group O is a universal donor

Question 31 Mark

Serum is an immunological preparation of blood (without cells and fibrinogen) containing antibodies and antitoxins against specific diseases

Answer

True

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Question 41 Mark

The average life of red blood cells in our body is about 120 hours.

Answer

False
Correct: The average life of a red blood cell in our body is about 120 days

Question 51 Mark

Leucocytes show amoeboid movement.

Answer

True

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Question 61 Mark

R.B.Cs are of several kinds whereas WBCs are of one kind.

Answer

False.
Correct: RBCs are of one kind whereas WBCs are of several kinds.

Question 71 Mark

W.B.C. contains haemoglobin

Answer

False.
Correct: RBC contains haemoglobin.

Question 81 Mark

The heart of a normal human adult beats more than one lakh times per day.

Answer

True

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Biology TRUE / FALSE