261. What is the study of insects called?
✅ A. Entomology
a: Entomology | b: Botany | c: Herpetology | d: Mycology Read more
Biology MCQs – Page 14
262. What is the study of fungi called?
✅ D. Mycology
a: Ornithology | b: Ecology | c: Entomology | d: Mycology Read more
263. Which part of the brain helps coordinate balance and movement?
✅ C. Cerebellum
a: Pituitary gland | b: Medulla only | c: Cerebellum | d: Hypothalamus Read more
264. Which organ produces insulin?
✅ C. Pancreas
a: Thyroid | b: Spleen | c: Pancreas | d: Gallbladder Read more
265. Which biological process produces two genetically similar daughter cells for growth?
✅ C. Mitosis
a: Transcription | b: Meiosis | c: Mitosis | d: Fertilization Read more
266. Which cells help defend the body against infection?
✅ B. White blood cells
a: Platelets | b: White blood cells | c: Red blood cells | d: Adipocytes Read more
267. Which vitamin is essential for normal blood clotting?
✅ D. Vitamin K
a: Vitamin D | b: Vitamin C | c: Vitamin B1 | d: Vitamin K Read more
268. Which organ is primarily responsible for gas exchange in humans?
✅ B. Lungs
a: Spleen | b: Lungs | c: Gallbladder | d: Heart Read more
269. Which pigment gives many plants their green colour?
✅ B. Chlorophyll
a: Haemoglobin | b: Chlorophyll | c: Keratin | d: Melanin Read more
270. Which part of a plant absorbs most water from soil?
✅ B. Roots
a: Leaves only | b: Roots | c: Flowers | d: Fruits Read more
271. Which organ filters blood to produce urine?
✅ A. Kidney
a: Kidney | b: Pancreas | c: Lung | d: Stomach Read more
272. Which molecule carries hereditary information in most organisms?
✅ D. DNA
a: Cellulose | b: ATP | c: Glucose | d: DNA Read more
273. Which blood type is commonly called the universal red-cell donor in emergency contexts?
✅ B. O negative
a: B negative | b: O negative | c: A positive | d: AB positive Read more
274. Which organelle is often called the powerhouse of the cell?
✅ C. Mitochondrion
a: Lysosome | b: Golgi apparatus | c: Mitochondrion | d: Ribosome Read more
275. What is the basic structural and functional unit of life?
✅ A. Cell
a: Cell | b: Organ | c: Organ system | d: Tissue Read more
276. Practice check: Choose the correct biology answer: which process reduces chromosome number to form gametes?
✅ B. Meiosis
a: Budding | b: Meiosis | c: Binary fission | d: Mitosis Read more
277. Practice check: Choose the correct biology answer: which gas is released by plants during photosynthesis?
✅ D. Oxygen
a: Methane | b: Ammonia | c: Carbon monoxide | d: Oxygen Read more
278. Practice check: Choose the correct biology answer: which plant tissue transports sugars?
✅ D. Phloem
a: Cuticle | b: Stomata | c: Xylem | d: Phloem Read more
279. Practice check: Choose the correct biology answer: which plant tissue transports water upward?
✅ C. Xylem
a: Cortex only | b: Phloem | c: Xylem | d: Epidermis Read more
280. Practice check: Choose the correct biology answer: which blood component helps form clots?
✅ B. Platelets
a: Red blood cells | b: Platelets | c: Alveoli | d: Neurons Read more