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: Main excretory organ in mammals
A) Kidney
B) Liver
C) Lung
D) Skin
✅ Correct Answer: A
Explanation: Kidneys filter blood to remove waste.
Q: Skeletal system composed of
A) Muscles
B) Bones
C) Cartilage
D) Ligaments
✅ Correct Answer: B
Explanation: Bones provide structural support.
Q: Animal with a closed circulatory system
A) Earthworm
B) Sponge
C) Hydra
D) Jellyfish
✅ Correct Answer: A
Explanation: Earthworms have blood confined within vessels.
Q: Function of alveoli in lungs
A) Filter air
B) Exchange gases
C) Produce mucus
D) Pump blood
✅ Correct Answer: B
Explanation: Alveoli facilitate oxygen and carbon dioxide exchange.
Q: Class of animals with hair or fur
A) Reptilia
B) Amphibia
C) Mammalia
D) Aves
✅ Correct Answer: C
Explanation: Mammals possess hair or fur.