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: Role of insulin
A) Increase blood sugar
B) Decrease blood sugar
C) Stimulate growth
D) Regulate calcium
✅ Correct Answer: B
Explanation: Insulin lowers blood glucose levels.
Q: Animals with exoskeleton belong to phylum
A) Mollusca
B) Arthropoda
C) Annelida
D) Chordata
✅ Correct Answer: B
Explanation: Arthropods have chitinous exoskeletons.
Q: Function of nephrons
A) Blood circulation
B) Filtration of blood
C) Hormone production
D) Gas exchange
✅ Correct Answer: B
Explanation: Nephrons filter blood in kidneys.
Q: Largest organ in human digestive system
A) Stomach
B) Small intestine
C) Liver
D) Colon
✅ Correct Answer: B
Explanation: Small intestine absorbs most nutrients.
Q: Adaptation for flight found in birds
A) Hollow bones
B) Sharp teeth
C) Thick skin
D) Lungs only
✅ Correct Answer: A
Explanation: Hollow bones reduce body weight.