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

2096

LIFE PROCESSES IN ANIMALS & PLANTS

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

A) terga

B) sterna

C) muscles

D) endoskeleton

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

A) fibrin

B) fibrinogen

C) prothrombin

D) thrombin

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

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

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

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

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

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

A) thalassaemia

B) oedema

C) sickle cell anemia

D) leukemia

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5. No entry of water into the cells in:

A) apoplast pathway

B) symplast pathway

C) vacuolar pathway

D) all of these pathway

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

A) 1.8 seconds

B) 0.5 seconds

C) 0.15 seconds

D) 0.8 seconds

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

A) 90 %

B) 10 – 20 %

C) 1 – 2 %

D) 5 – 7 %

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

A) have intercalated discs

B) contain only action

C) are voluntary in action

D) lack regular arrangement of sarcomeres

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

A) lymphocytes and monocytes

B) basophills and esinophills

C) monocytes and neutrophils

D) neutrophills and basophils

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

A) femoral arteries

B) iliac arteries

C) sciatic arteries

D) mesenteric arteries

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11. Which of the following cells possess casparian strips?

A) endodermis

B) cortex

C) xylem vessels

D) epidermis

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12. Heart beat sound is due to:

A) contraction of ventricles

B) contraction of atria

C) contraction of muscles

D) action of valves in heart

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

A) endodermis

B) xylem

C) cortex

D) phloem

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14. What is not true for pulmonary artery?

A) it takes blood to lungs

B) it has semi lunar valve at its base

C) it carries deoxygenated blood

D) it arises from left ventricle

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

A) respiration

B) transpiration

C) uptake of water

D) ascent of sap

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

A) amoeba

B) starfish

C) grasshopper

D) earthworm

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

A) photosynthesis

B) flaccidity of guard cells

C) high level of CO2

D) acid pH of guard cells

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

A) osculum

B) stomium

C) ostia

D) aperture

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

A) collecting vessel

B) link vessel only

C) distributing vessel

D) both collecting and distributing vessel

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

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

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

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

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

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Life Processes in Animals and Plants MCQs with Answers

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