What does Taxonomy primarily deal with? MCQ with Answer and Explanation

What does Taxonomy primarily deal with?
A. Study of tissues
B. Classification of organisms
C. Study of diseases
D. Study of fossils
Answer: Option B
Solution (By JKSSB Mock Tests)
Taxonomy is the branch of science concerned with the classification, identification, and naming of organisms. It involves arranging organisms into hierarchical categories based on their shared characteristics and evolutionary relationships. The study of tissues is Histology, and the study of fossils is Paleontology.

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Practice More Biology Questions

Question #1
The pigment that protects skin from UV radiation is:
A. Melanin
B. Keratin
C. Collagen
D. Elastin

Correct Answer: Option A


Explanation:
Melanin, produced by melanocytes, absorbs and dissipates UV radiation, protecting skin cells from DNA damage. Keratin is structural protein, collagen provides strength, elastin elasticity. Increased melanin production causes tanning.

This question belongs to: Science Biology
Question #2
The phenomenon where a single gene influences multiple phenotypic traits is called:
A. Codominance
B. Epistasis
C. Pleiotropy
D. Polygenic inheritance

Correct Answer: Option C


Explanation:
Pleiotropy occurs when one gene affects multiple seemingly unrelated traits. Example: phenylketonuria (PKU) affects mental development, skin pigmentation, and musty odor. Marfan syndrome affects skeleton, eyes, and heart. Polygenic is many genes affecting one trait, epistasis is gene interaction, codominance is both alleles expressed.

This question belongs to: Science Biology
Question #3
The process of removing waste products from the blood using a machine is called:
A. Transfusion
B. Bypass
C. Endoscopy
D. Dialysis

Correct Answer: Option D


Explanation:
Dialysis artificially filters waste products (urea, creatinine) and excess fluid from the blood when kidneys fail, using a semipermeable membrane. Hemodialysis uses an external dialyzer, peritoneal dialysis uses the peritoneal membrane. Bypass is a surgical procedure, transfusion is blood transfer, endoscopy is visualization.

This question belongs to: Science Biology