301. Practice check: Which option correctly completes the fact: which process reduces chromosome number to form gametes?
✅ D. Meiosis
a: Mitosis | b: Budding | c: Binary fission | d: Meiosis Read more
Biology MCQs – Page 16
302. Practice check: Which option correctly completes the fact: which gas is released by plants during photosynthesis?
✅ A. Oxygen
a: Oxygen | b: Ammonia | c: Methane | d: Carbon monoxide Read more
303. Practice check: Which option correctly completes the fact: which plant tissue transports sugars?
✅ C. Phloem
a: Xylem | b: Stomata | c: Phloem | d: Cuticle Read more
304. Practice check: Which option correctly completes the fact: which blood component helps form clots?
✅ B. Platelets
a: Alveoli | b: Platelets | c: Neurons | d: Red blood cells Read more
305. Practice check: Which option correctly completes the fact: which plant tissue transports water upward?
✅ A. Xylem
a: Xylem | b: Phloem | c: Cortex only | d: Epidermis Read more
306. Practice check: Which option correctly completes the fact: which part of the eye controls the amount of light entering?
✅ D. Iris
a: Optic nerve | b: Cornea only | c: Retina | d: Iris Read more
307. Practice check: Which option correctly completes the fact: what is the largest organ of the human body?
✅ D. Skin
a: Lung | b: Brain | c: Liver | d: Skin Read more
308. Practice check: Which option correctly completes the fact: which structure controls what enters and leaves a cell?
✅ D. Cell membrane
a: Chromosome | b: Cell wall only | c: Nucleolus | d: Cell membrane Read more
309. Practice check: Which option correctly completes the fact: which molecule is the main immediate energy currency of cells?
✅ D. ATP
a: RNA | b: Starch | c: DNA | d: ATP Read more
310. Practice check: Which option correctly completes the fact: which organisms make their own food using sunlight in most ecosystems?
✅ D. Producers
a: Decomposers only | b: Predators | c: Primary consumers | d: Producers Read more
311. Practice check: Which option correctly completes the fact: what is the study of insects called?
✅ A. Entomology
a: Entomology | b: Botany | c: Mycology | d: Herpetology Read more
312. Practice check: Which option correctly completes the fact: what is the study of fungi called?
✅ D. Mycology
a: Ecology | b: Ornithology | c: Entomology | d: Mycology Read more
313. Practice check: Which option correctly completes the fact: which part of the brain helps coordinate balance and movement?
✅ C. Cerebellum
a: Medulla only | b: Hypothalamus | c: Cerebellum | d: Pituitary gland Read more
314. Practice check: Which option correctly completes the fact: which organ produces insulin?
✅ B. Pancreas
a: Gallbladder | b: Pancreas | c: Thyroid | d: Spleen Read more
315. Practice check: Which option correctly completes the fact: which vitamin is essential for normal blood clotting?
✅ C. Vitamin K
a: Vitamin B1 | b: Vitamin C | c: Vitamin K | d: Vitamin D Read more
316. Practice check: Which option correctly completes the fact: which biological process produces two genetically similar daughter cells for growth?
✅ B. Mitosis
a: Fertilization | b: Mitosis | c: Meiosis | d: Transcription Read more
317. Practice check: Which option correctly completes the fact: which cells help defend the body against infection?
✅ D. White blood cells
a: Red blood cells | b: Adipocytes | c: Platelets | d: White blood cells Read more
318. Practice check: Which option correctly completes the fact: which organ is primarily responsible for gas exchange in humans?
✅ A. Lungs
a: Lungs | b: Heart | c: Gallbladder | d: Spleen Read more
319. Practice check: Which option correctly completes the fact: which pigment gives many plants their green colour?
✅ A. Chlorophyll
a: Chlorophyll | b: Keratin | c: Haemoglobin | d: Melanin Read more
320. Practice check: Which option correctly completes the fact: which part of a plant absorbs most water from soil?
✅ D. Roots
a: Leaves only | b: Flowers | c: Fruits | d: Roots Read more