Life Processes in Animals and Plants MCQs with Answers

If you are preparing for MDCAT and looking for the chapter Life Processes in Animals and Plants MCQs with Answers then you’ve landed in the right place. Multiple Choice Questions for Life processes in animals and plants with answers are available here. Human physiology comprises on following chapters; nutrition, gaseous exchange, transport, and homeostasis. After solving these sample human physiology MCQs for the MDCAT test, students will become able to understand the Respiratory system, lymphatic system, Immune system, digestive system, Gas exchange, and other basic systems. Through this MDCAT sample test paper, the candidate will become able to understand the anatomy of the digestive system, the anatomy of the respiratory system, the structure of the Heart, and its functions. There are processes in plants including parasitic nutrition and uptake of water. So, get Life Processes in Animals and Plants MCQs for MDCAT below.

Life Processes in Animals and Plants MCQs with Answers

2438

LIFE PROCESSES IN ANIMALS & PLANTS

1 / 20

1. In humans, the aorta bifurcates at the lower abdomen into the:

A) femoral arteries

B) mesenteric arteries

C) sciatic arteries

D) iliac arteries

2 / 20

2. Of the total transpiration, the cuticular transpiration is about:

A) 5 – 7 %

B) 10 – 20 %

C) 90 %

D) 1 – 2 %

3 / 20

3. Heart beat sound is due to:

A) contraction of atria

B) contraction of ventricles

C) contraction of muscles

D) action of valves in heart

4 / 20

4. . In grasshopper tubular dorsal vessel extends in the mid-dorsal line immediately below the:

A) muscles

B) sterna

C) endoskeleton

D) terga

5 / 20

5. Which of the following is considered as blood cancer?

A) oedema

B) thalassaemia

C) sickle cell anemia

D) leukemia

6 / 20

6. Which of the following cells possess casparian strips?

A) cortex

B) epidermis

C) xylem vessels

D) endodermis

7 / 20

7. Which animal has high surface area to volume ratio?

A) starfish

B) grasshopper

C) earthworm

D) amoeba

8 / 20

8. In cockroach which sequence of organs is involved during blood flow from heart?

A) aorta → perivisceral sinus → perinural sinus → perivisceral sinus → pericardial sinus → heart

B) aorta → perinural sinus → haemocoel → perivisceral sinus → pericardial sinus → heart

C) aorta → pericardial sinus → perivisceral sinus → perinural sinus → hacnocoel→ heart

D) aorta → haemocoel → perinural sinus → perivisceral sinus → pericardial sinus → heart

9 / 20

9. No entry of water into the cells in:

A) apoplast pathway

B) all of these pathway

C) vacuolar pathway

D) symplast pathway

10 / 20

10. The protein that acts as catalysts in blood clotting process in human being is called:

A) fibrinogen

B) thrombin

C) prothrombin

D) fibrin

11 / 20

11. Root pressure is generated by active secretion of salts into:

A) xylem

B) endodermis

C) cortex

D) phloem

12 / 20

12. What sequence of organs is involved in blood circulation of fish?

A) heart → sinus venosus → ventral aorta → dorsal aorta → gills → body

B) heart → dorsal aorta → body → ventral aorta → gills → sinus venosus

C) heart → ventral aorta → gills → dorsal aorta → body → sinus venosus

D) heart → dorsal aorta → gills → ventral aorta → body → sinus venosus

13 / 20

13. What is not true for pulmonary artery?

A) it takes blood to lungs

B) it arises from left ventricle

C) it has semi lunar valve at its base

D) it carries deoxygenated blood

14 / 20

14. During uptake of mineral ions active transport is selective and is dependent on:

A) respiration

B) uptake of water

C) ascent of sap

D) transpiration

15 / 20

15. From the 14thsegment backwards, the dorsal blood vessel of earthworm serves as a:

A) link vessel only

B) distributing vessel

C) collecting vessel

D) both collecting and distributing vessel

16 / 20

16. Each heart beat (cardiac cycle) of man takes:

A) 1.8 seconds

B) 0.8 seconds

C) 0.15 seconds

D) 0.5 seconds

17 / 20

17. Cardiac muscles can be distinguished from other muscles because they:

A) contain only action

B) lack regular arrangement of sarcomeres

C) have intercalated discs

D) are voluntary in action

18 / 20

18. Each chamber of heart of grasshopper is provided with a pair of lateral openings, the:

A) osculum

B) ostia

C) aperture

D) stomium

19 / 20

19. What causes the movement of K+ into guard cells while opening of stomata?

A) photosynthesis

B) high level of CO2

C) flaccidity of guard cells

D) acid pH of guard cells

20 / 20

20. A white substance called pus is produced at infectious site due to accumulation of dead:

A) monocytes and neutrophils

B) basophills and esinophills

C) neutrophills and basophils

D) lymphocytes and monocytes

Your score is

Life Processes in Animals and Plants MCQs with Answers

Related Articles

Biology Chapter Variation and Genetics/ Inheritance MCQs

Support and Movement MCQs with Answers MDCAT

Biology Chapter Reproduction MCQs with Answers

Post Comment Cancel reply