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

1. All the following statements are correct except that

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

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

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

2. Pharynx of planaria opens in

Oesophagus

Intestine

Stomach

Absent

3. A charge that is related to inspiration in humans is:

Lungs are inflated

Diaphragm becomes dome shaped

Ribs move inward and downward

Floor of buccal cavity is raised

4. Gaseous exchange through skin is called as

Cutaneous respiration

Cartilaginous respiration

Pulmonary respiration

Inspiration

5. Certain children are immune to certain diseases due to presence of

T-cells immune system

B-cells immune system

Memory cells

Phagocyte-antigen reactions

6. Sites of gaseous exchange in human lungs are:

Bronchioles

Alveoli

Tracheoles

Pulmonary chambers

7. Mammals are said to have a “double circulatory system this means

That there are two types of blood vessels attached to every organ an artery and a vein

That the blood vessels are paired

That there are two system one from’ the heart to the lungs and back to the heart, and the other to the heart from rest of the body

That the blood circulated twice as quickly

8. Which of the following theory gives the latest explanation for the closure of stomata?

Starch glucose theory

fluid mosaic theory

Munch theory

Active K transport theory

9. Food vacuole of amoeba is formed by fusion of

Cell membrane

Cell membrane and Pseudopodia

Pseudopodia

None of them

10. Digestion occurs in gut cavity in.

Intracellular and Extracellular digestion

None of them

Extracellular digestion

Intracellular digestion

11. Hydra ha ______ organ for respiration.

Specialized

None of them

Simple

Non-specialized

12. When a cell is fully turgid, which of the following will be zero?

Osmotic pressure

Turgor pressure

Water potential

Wall pressure

13. In which animal respiration takes place by skin?

Frog

Earthworm

Fish

Earthworm and Frog

14. Lenticels and hydathodes are small pores with following common attributes..

Their opening and closing are not regulated

They allow exchange of gases

They are found on the same organ of plants

They always remain closed

15. The total areas of absorption becomes large due to the enfolding of

Villi

Microvilli and Villi

Microvilli

Vessel

16. Bile does not contains:

Wastes

Salts

Trypsinogen

Cholesterol

17. The liver stores carbohydrates in the form of:

Glucose

ATP

Starch

Glycogen

18. Which prevent trachea from collapsing

Diaphragm.

Cartilaginous rings

Muscles

Ribs

19. projects from the large intestine between ileum and colon.

Jejunum

Colon

Caecum

Rectum

20. Urea is formed in

Urinary bladder

Gall bladder

Kidney

Liver

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