Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as: Assertion (A): Digestion breaks large complex molecules to simple smaller molecules which can be easily absorbed. Reason (R): Digestion is necessary for the absorption of all molecules.

Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

Assertion (A) is true but reason (R) is false.

Assertion (A) is false but reason (R) is true.

Assertion (A): Lipases help in emulsification of fats. Reason (R): Lipases hydrolyses fats and oils.

Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

Assertion (A) is true but reason (R) is false.

Assertion (A) is false but reason (R) is true.

Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as: Assertion (A): Energy is used during the process of respiration. Reason (R): Respiration stores energy in the form of ATP.

Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

Assertion (A) is true but reason (R) is false.

Assertion (A) is false but reason (R) is true.

Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as: Assertion (A): In humans, there is a complex respiratory system. Reason (R): Human skin is impermeable to gases.

Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

Assertion (A) is true but reason (R) is false.

Assertion (A) is false but reason (R) is true.

Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as: Assertion (A): In the human heart, there is no mixing of oxygenated and deoxygenated blood. Reason (R): Valves are present in the heart which allows the movement of blood in one direction only.

Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

Assertion (A) is true but reason (R) is false.

Assertion (A) is false but reason (R) is true.

Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as: Assertion (A): Plants have low energy needs. Reason (R): Plant bodies have a large proportion of dead cells.

Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

Assertion (A) is true but reason (R) is false.

Assertion (A) is false but reason (R) is true.

Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as: Assertion (A): Human body produces highly toxic substances, which if not eliminated may cause death. Reason (R): Excretory substance removes nitrogenous waste from the body.

Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

Assertion (A) is true but reason (R) is false.

Assertion (A) is false but reason (R) is true.

Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as: Assertion (A): Haemodialysis can save the life of patients with kidney failure. Reason (R): Waste products like urea can be removed from the blood by haemodialysis.

Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

Assertion (A) is true but reason (R) is false.

Assertion (A) is false but reason (R) is true.

Direction: The following question consists of two statements - Assertion (A) and Reason (R). Answer these questions selecting the appropriate option given below: Assertion : in the daytime, CO 2 generated during respiration is used up for photosynthesis. Reason : There is no CO 2 release during the day.

Both A and R are true and R is the correct explanation of A.

Both A and R are true but R is not the correct explanation of A.

Both Assertion and Reason are false.

Direction: The following question consists of two statements - Assertion (A) and Reason (R). Answer these questions selecting the appropriate option given below: Assertion : Lungs always contain a residual volume of air. Reason : It provides sufficient time for oxygen to be absorbed and for carbon dioxide to be released.

Both A and R are true and R is the correct explanation of A.

Both A and R are true but R is not the correct explanation of A.

Both Assertion and Reason are false.

Direction: The following question consists of two statements - Assertion (A) and Reason (R). Answer these questions selecting the appropriate option given below: Assertion : Translocation of sugar occurs through the phloem. Reason : It is achieved by diffusion of sugars through phloem.

Both A and R are true and R is the correct explanation of A.

Both A and R are true but R is not the correct explanation of A.

Both Assertion and Reason are false.

Direction: The following question consists of two statements - Assertion (A) and Reason (R). Answer these questions selecting the appropriate option given below: Assertion : Energy is used during the process of respiration. Reason : Respiration stores energy in the form of ATP.

Both A and R are true and R is the correct explanation of A.

Both A and R are true but R is not the correct explanation of A.

Both Assertion and Reason are false.

Direction: The following question consists of two statements - Assertion (A) and Reason (R). Answer these questions selecting the appropriate option given below: Assertion : Egestion is the removal of nitrogenous waste products from the body. Reason : Excretion is the discharge of undigested matter from the digestive tract.

Both A and R are true and R is the correct explanation of A.

Both A and R are true but R is not the correct explanation of A.

Both Assertion and Reason are false.

Direction: The following question consists of two statements - Assertion (A) and Reason (R). Answer these questions selecting the appropriate option given below: Assertion : In the human heart, there is no mixing of oxygenated and deoxygenated blood. Reason : Valves are present in the heart which allows the movement of blood in one direction only.

Both A and R are true and R is the correct explanation of A.

Both A and R are true but R is not the correct explanation of A.

Both Assertion and Reason are false.

Direction: The following question consists of two statements - Assertion (A) and Reason (R). Answer these questions selecting the appropriate option given below: Assertion : Excretory unit of kidney is nephrons. Reason : It has no role in secretion of urine.

Both A and R are true and R is the correct explanation of A.

Both A and R are true but R is not the correct explanation of A.

Both Assertion and Reason are false.

Assertion and Reason Test: Life Processes - 2 Free MCQ Practice Test with Solutions

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