The disorder caused by the deficiency of antidiuretic hormone (ADH) is: MCQ with Answer and Explanation

The disorder caused by the deficiency of antidiuretic hormone (ADH) is:
A. Addison's disease
B. Diabetes mellitus
C. Diabetes insipidus
D. Cushing's syndrome
Answer: Option C
Solution (By JKExamLibrary)
Diabetes insipidus results from ADH deficiency (or resistance), causing polyuria, polydipsia, and dilute urine. Diabetes mellitus is insulin-related, Addison's is adrenal insufficiency, Cushing's is excess cortisol.

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Practice More Biology Questions

Question #1
Assertion (A): The cell membrane is described by the fluid mosaic model. Reason (R): The phospholipid bilayer is fluid, and proteins are embedded like a mosaic.
A. Both A and R are true, and R is the correct explanation of A.
B. A is false, but R is true.
C. A is true, but R is false.
D. Both A and R are true, but R is not the correct explanation of A.

Correct Answer: Option A


Explanation:
The fluid mosaic model, proposed by Singer and Nicolson in 1972, accurately describes the plasma membrane. The phospholipid bilayer has a fluid consistency, allowing lateral movement of lipids and proteins. Proteins float within or on this bilayer, forming a mosaic pattern. Thus, the reason correctly explains the assertion.

This question belongs to: Science Biology
Question #2
The process by which plants release oxygen is:
A. Nitrogen fixation
B. Respiration
C. Photosynthesis
D. Transpiration

Correct Answer: Option C


Explanation:
During photosynthesis, water is split (photolysis), releasing oxygen as a byproduct. Respiration consumes oxygen, nitrogen fixation uses nitrogenase, transpiration releases water vapor.

This question belongs to: Science Biology
Question #3
Which of the following is a function of the liver?
A. Production of insulin
B. Production of thyroxine
C. Production of bile
D. Filtration of urine

Correct Answer: Option C


Explanation:
The liver produces bile, metabolizes nutrients, detoxifies, stores glycogen, and synthesizes plasma proteins. Insulin is from pancreas.

This question belongs to: Science Biology