General Science Jkssb Biology Set 1 Mcqs (605 MCQs) | JKSSB & SSC Quiz

General Science

jkssb biology set 1 mcqs

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Practice Questions

605 Total
Question 321 Discuss
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The conversion of glucose to glycogen for storage in liver and muscles is stimulated by

A
Glucagon
B
Insulin
C
Cortisol
D
Somatostatin

Answer & Explanation

Correct Option: B

Insulin lowers blood sugar levels by promoting glycogenesis (conversion of glucose to glycogen).
Question 322 Discuss
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During the process of Osmosis water moves from

A
Higher solute concentration to lower solute concentration
B
Lower solute concentration to higher solute concentration
C
Hypertonic solution to Hypotonic solution
D
Higher pressure to lower pressure regardless of solute

Answer & Explanation

Correct Option: B

Osmosis is the diffusion of water from a region of low solute concentration (high water potential) to high solute concentration.
Question 323 Discuss
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Which of the following is not a part of the human small intestine

A
Duodenum
B
Jejenum
C
Ileum
D
Caecum

Answer & Explanation

Correct Option: D

The Caecum is the first part of the large intestine, connected to the appendix.
Question 324 Discuss
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The phenomenon of 'Industrial Melanism' in peppered moths Biston betularia is an example of

A
Natural Selection
B
Genetic Drift
C
Mutation
D
Artificial Selection

Answer & Explanation

Correct Option: A

Dark-colored moths survived better in soot-covered industrial areas, demonstrating survival of the better-adapted variant.
Question 325 Discuss
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What is the typical lifespan of a human Red Blood Cell RBC

A
30 days
B
120 days
C
60 days
D
200 days

Answer & Explanation

Correct Option: B

After about 120 days, RBCs are broken down in the spleen (the 'graveyard of RBCs').
Question 326 Discuss
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The 'Elisa' test is commonly used to screen for which of the following infections

A
Typhoid
B
AIDS
C
Tuberculosis
D
Malaria

Answer & Explanation

Correct Option: B

Enzyme-Linked Immunosorbent Assay (ELISA) detects antibodies or antigens to identify HIV infection.
Question 327 Discuss
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Which of the following is an example of an Endocrine gland as well as an Exocrine gland

A
Thyroid
B
Pancreas
C
Pituitary
D
Parathyroid

Answer & Explanation

Correct Option: B

The pancreas is a heterocrine gland (exocrine for digestive enzymes, endocrine for hormones like insulin).
Question 328 Discuss
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In humans the main nitrogenous waste excreted in urine is

A
Ammonia
B
Uric acid
C
Urea
D
Creatine

Answer & Explanation

Correct Option: C

Humans are ureotelic, meaning urea is the primary form of excreted nitrogen.
Question 329 Discuss
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The study of the relationship between organisms and their environment is known as

A
Entomology
B
Ecology
C
Ethology
D
Cytology

Answer & Explanation

Correct Option: B

Ecology deals with biotic and abiotic interactions.
Question 330 Discuss
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Which of the following is known as 'The Royal Disease'

A
Diabetes
B
Hemophilia
C
Cancer
D
Leukemia

Answer & Explanation

Correct Option: B

Hemophilia became known as the royal disease because it was prominent in the lineage of Queen Victoria.
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