Life process in Animals and Plants – Online MCQs Test – Biology MCAT

1. An illness which largely affects girls usually just after the onset of puberty.

Bulimia nervosa

Anorexia nervosa

None of these

Obesity

2. In rainy season, the doors get wet due to

Imbibition

Absorption

Endosmosis

Diffusion

3. Diffusion is very important for plants since it is the only means of

Water translocation in root

Mineral translocation in root

Gaseous exchange within plant

Sugar transport from phloem to sink

4. Process of water exudation through hydathodes is called

Guttation

Excretion

Hydrolysis

Transpiration

5. After infection of germs immunity acquired is

Active immunity

Active and Passive immunity

Artificial immunity

Passive immunity

6. Rectum is terminal part of

None of them

Midgut

Hindgut

Foregut

7. Cardiac output signifies.

The amount of blood leaving the lung per unit time

The amount of blood entering the lung per unit time

The amount of blood leaving the heart per unit time

The amount of blood entering the heart per unit time

8. Which of the following statements is correct about the heart?

The right ventricle pumps blood to the aorta.

The left ventricle pumps blood to the entire body and right atrium receives oxygenated blood from the lungs

The right atrium receives oxygenated blood from the lungs.

The left ventricle pumps blood to the entire body.

9. Food vacuole of amoeba is formed by fusion of

None of them

Cell membrane

Pseudopodia

Cell membrane and Pseudopodia

10. Sites of gaseous exchange in human lungs are:

Pulmonary chambers

Bronchioles

Tracheoles

Alveoli

11. Insectivorous plants usually grow in soils which are deficient in

Nitrogen

Water

Organic matter

Ca/Mg

12. A double layered sac structure that protects lungs is:

Capsule

Pericardium

Pleura

Peritonium

13. Which is true about plasma cells?

They fight antigens and die in battle.

They offer permanent resistance to disease.

They are found only in people who are infected with me AIDS virus.

When activated they turn into memory cells.

14. Basis of stomatal opening is

Endosmosis

Plasmolysis of guard cells

Decrease in cell sap concentration

Exosmosis

15. Which of the following correctly follows the flow of blood in the human body?

Left atrium—left ventricle—pulmonary artery—pulmonary vein—right atrium

Right ventricle—aorta—body—left atrium—left ventricle—pulmonary artery

Left atrium—left ventricle—pulmonary artery—lungs—pulmonary vein—right atrium

Right ventricle—pulmonary artery—lungs—pulmonary vein—left atrium

16. All the following statements are correct except that

The symplastic movement of absorbed water may be aided by cytoplasmics treaming.

The movement through the apoplast does not involve crossing the cell membrane.

The apoplatic system is the system of interconnected protoplasts that is continuous through the plant, except at the casparian strips of the endodermis in the roots.

The xylem vessels and tracheids are nonliving conduits so are parts of the apoplast.

17. Bile does not contains:

Trypsinogen

Cholesterol

Salts

Wastes

18. Longest part of small intestine is

Duodenum

Jejunum

Caecum

lleum

19. Transpiration occurs through

Leaves

Roots

Stem

All aerial parts

20. The principal transpiring organ of a plant is

Leaves

Root

Flowers

Stem

Life process in Animals and Plants (nutrition/ gaseous exchange/ transport)-Medical College Admission Test Preparation Notes