Biology MCQs

Question 1

Blood pressure is the pressure exerted on the wall of

Accepted Answer

Artery

Answer

Heart

Answer

Vein

Answer

Cell

Question 2

Which statement regarding the mammalian heart is correct?

Accepted Answer

In the adult heart, blood in the right chambers of the heart cannot enter the left chambers without passing through the lungs

Answer

Blood is pumped from the heart via the atria

Answer

Oxygen-loaded blood moves only through the right side of the heart

Answer

When the right atrium contracts, it forces blood into the left atrium

Question 3

An individual whose blood type is B may in an emergency, donate blood to a person whose blood type is

Accepted Answer

AB or B

Answer

B or A

Answer

AB or A

Answer

A or O

Question 4

Which of the following carries oxygen to various parts of human body?

Accepted Answer

Red blood cells

Answer

White blood cells

Answer

Plasma

Answer

Nerves

Question 5

Instrument used to measure blood pressure is

Accepted Answer

sphygmomanometer

Answer

E.C.G

Answer

Stetheoscope

Answer

Arm band

Question 6

Lymph carries digested and absorbed fat from ________ .

Accepted Answer

Intestine

Answer

Lungs

Answer

Stomach

Answer

Kidney

Question 7

Haemoglobin is an important component of

Accepted Answer

RBC

Answer

WBC

Answer

Platletes

Answer

Cytoplasm

Question 8

Hemoglobin, the oxygen carrying substance in red blood cells, is a

Accepted Answer

Proteins

Answer

Nuclei acid

Answer

Carbohydrates

Answer

Fats

Question 9

What carries blood back to the heart?

Accepted Answer

Veins

Answer

Arteries

Answer

Both A & B