Zoology MCQs

Prepare for NEET, CSS, UPSC, FPSC, PPSC, and NTS exams with Zoology MCQs covering animal physiology, genetics, taxonomy, and ecology. Strengthen biology knowledge and boost exam performance with detailed answers.

Q: Respiratory surface in fish
A) Skin
B) Gills
C) Lungs
D) Trachea
โœ… Correct Answer: B
Explanation: Gills extract oxygen from water.
Q: Type of excretion in amphibians
A) Uricotelic
B) Ureotelic
C) Ammonotelic
D) None
โœ… Correct Answer: B
Explanation: Amphibians excrete urea as nitrogenous waste.
Q: Organism with water vascular system
A) Echinodermata
B) Arthropoda
C) Mollusca
D) Chordata
โœ… Correct Answer: A
Explanation: Echinoderms use water vascular system for movement.
Q: Structure connecting brain and spinal cord
A) Cerebrum
B) Cerebellum
C) Medulla oblongata
D) Thalamus
โœ… Correct Answer: C
Explanation: Medulla oblongata controls vital functions.
Q: Blood component responsible for clotting
A) Red cells
B) White cells
C) Platelets
D) Plasma
โœ… Correct Answer: C
Explanation: Platelets initiate clot formation.