The organ that produces the hormone insulin is the: MCQ with Answer and Explanation

The organ that produces the hormone insulin is the:
A. Spleen
B. Thyroid
C. Pancreas
D. Liver
Answer: Option C
Solution (By JKSSB Mock Tests)
The beta cells of the pancreatic islets of Langerhans produce insulin, which lowers blood glucose by promoting cellular uptake and glycogen synthesis. The liver stores glucose, the spleen filters blood, the thyroid regulates metabolism.

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Practice More Biology Questions

Question #1
Which of the following statements about sex determination in humans is correct?
A. Females have XY chromosomes.
B. Sex is determined by autosomal chromosomes.
C. Males produce two types of sperm: X-bearing and Y-bearing.
D. The mother’s egg determines the sex of the child.

Correct Answer: Option C


Explanation:
Human males are XY and produce X and Y sperm; females are XX. The sperm determines sex. Thus, C is correct.

This question belongs to: Science Biology
Question #2
The disorder caused by the deficiency of the enzyme phenylalanine hydroxylase is:
A. Phenylketonuria
B. Maple syrup urine disease
C. Homocystinuria
D. Albinism

Correct Answer: Option A


Explanation:
PKU leads to accumulation of phenylalanine, causing mental retardation. Albinism is tyrosinase defect, MSUD branched-chain ketoacid dehydrogenase, homocystinuria methionine metabolism.

This question belongs to: Science Biology
Question #3
Who is known as the father of genetics?
A. Charles Darwin
B. Gregor Mendel
C. Thomas Morgan
D. Hugo de Vries

Correct Answer: Option B


Explanation:
Gregor Mendel's experiments on pea plants led to the discovery of the fundamental laws of inheritance, earning him the title father of genetics.

This question belongs to: Science Biology