NEET Biology MCQ on Aldosterone with Answers by Expert Teacher. Every Objective Questions is Important and Common for NEET-UG Exam.
1) Aldosterone is ——-.
A) Peptide hormone B) Steroid hormone C) Neurotransmitter D) None of these.
Answer: Answer is B, aldosterone is steroid or sex hormone.
2) Aldosterone hormone released by ———– gland.
A) Pituitary B) Thyroid C) Adrenal D) All of these.
Answer: Answer is C, aldosterone is released by adrenal gland.
3) —— are the functions of aldosterone:
A) Maintain blood pressure B) Maintain salt concentration C) Regulate water level D) All of these.
Answer: Answer is D, salt concentration, water level and blood pressure maintained by aldosterone.
4) Aldosterone is controlled by ——- system.
A) RAAS system B) Immune system C) Excretory system D) None of these.
Answer: Answer is A, it is Renin Angiotensin Aldosterone system controls the aldosterone.
5) If aldosterone level reduced in body is called as ———-.
A) Cushings syndrome B) Addison disease C) Both of these D) None of these.
Answer: Answer is B, If aldosterone level reduced in body it leads to decrease in blood pressure and the condition called Addison disease.
6) If aldosterone level is high in the body, it can cause ———-.
A) Low potassium level B) Weakness C) Muscle spasm D) All of these.
Answer: Aldosterone level can be high when both the kidneys secrete high level of aldosterone and shows the above symptoms.
7) For the production of aldosterone adrenal cortex uses ———- component.
A) Cholesterol B) Filament C) Collagen D) None of these.
Answer: Answer is A, Cholesterol used for production of aldosterone.
8) Aldosterone is ———– in nature.
A) Hydrophilic B) Hydrophobic C) Amphipathic D) None of these
Answer: Answer is B, aldosterone is hydrophobic in nature therefore working in RAAS system.
9) In which layer of the adrenal cortex aldosterone forms?
A) Zona glomerulosa B) Zona fasciculata C) Zona reticularis D) All of these.
Answer: Answer is A, in zona glomerulosa of the adrenal cortex aldosterone production occurs.
10) Aldosterone is secreted by:
A) Insulin B) ACTH C) Nor epinephrine D) Angiotnesin II.
Answer: Answer isD, due to angiostensin II. It is one of the important factor.