Practice check: Which option correctly completes the fact: which organelle is often called the powerhouse of the cell?

✅ C. Evaporative cooling.

Option A: Pigmentation. Option B: Respiration. Option C: Evaporative cooling. Option D: Excretion. Correct Answer : Evaporative cooling. Read more

✅ B. 0.08%

Option A: 0.80% Option B: 0.08% Option C: 1.80% Option D: 8% Correct Answer : 0.08% Read more

✅ D. Iris

a: Cornea only | b: Optic nerve | c: Retina | d: Iris Read more

✅ D. Order

Option A: Species Option B: Genus Option C: Family Option D: Order Correct Answer : Order Read more

✅ D. Balastula

Option A: Neurula Option B: Morula Option C: Gastrula Option D: Balastula Correct Answer : Balastula Read more

✅ D. Phloem

a: Cuticle | b: Xylem | c: Stomata | d: Phloem Read more

✅ C. Auxins

Option A: Gibberellins Option B: Abscisins Option C: Auxins Option D: Cytokinins Correct Answer : Auxins Read more

✅ C. Golgi apparatus

Option A: Ribosomes Option B: Cytoplasm Option C: Golgi apparatus Option D: Endoplasmic reticulum Correct Answer : Golgi apparatus Read more