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

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LIFE PROCESSES IN ANIMALS & PLANTS

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1. Which of the following cells possess casparian strips?

A) epidermis

B) endodermis

C) cortex

D) xylem vessels

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

A) iliac arteries

B) mesenteric arteries

C) sciatic arteries

D) femoral arteries

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

A) oedema

B) leukemia

C) sickle cell anemia

D) thalassaemia

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

A) 90 %

B) 10 – 20 %

C) 5 – 7 %

D) 1 – 2 %

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

A) are voluntary in action

B) have intercalated discs

C) contain only action

D) lack regular arrangement of sarcomeres

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

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

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

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

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

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

A) starfish

B) earthworm

C) amoeba

D) grasshopper

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

A) terga

B) sterna

C) endoskeleton

D) muscles

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

A) thrombin

B) fibrin

C) fibrinogen

D) prothrombin

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

A) endodermis

B) xylem

C) cortex

D) phloem

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11. Heart beat sound is due to:

A) contraction of atria

B) action of valves in heart

C) contraction of ventricles

D) contraction of muscles

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

A) 1.8 seconds

B) 0.5 seconds

C) 0.8 seconds

D) 0.15 seconds

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

A) neutrophills and basophils

B) basophills and esinophills

C) monocytes and neutrophils

D) lymphocytes and monocytes

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

A) both collecting and distributing vessel

B) link vessel only

C) collecting vessel

D) distributing vessel

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15. What is not true for pulmonary artery?

A) it arises from left ventricle

B) it carries deoxygenated blood

C) it has semi lunar valve at its base

D) it takes blood to lungs

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16. No entry of water into the cells in:

A) apoplast pathway

B) vacuolar pathway

C) all of these pathway

D) symplast pathway

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

A) photosynthesis

B) acid pH of guard cells

C) flaccidity of guard cells

D) high level of CO2

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

A) transpiration

B) respiration

C) uptake of water

D) ascent of sap

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

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

B) aorta → perivisceral sinus → perinural sinus → 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

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

A) stomium

B) osculum

C) ostia

D) aperture

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Life Processes in Animals and Plants MCQs with Answers

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