Choose the correct biology answer: which blood type is commonly called the universal red-cell donor in emergency contexts?

✅ C. Mitochondrion

a: Lysosome | b: Ribosome | c: Mitochondrion | d: Golgi apparatus Read more

✅ B. Chlorophyll

a: Haemoglobin | b: Chlorophyll | c: Keratin | d: Melanin Read more

✅ B. 20 ml

Option A: 10 ml Option B: 20 ml Option C: 30 ml Option D: 40 ml Correct Answer : 20 ml Read more

✅ D. Collecting tubules

Option A: Proximal convoluted tubule Option B: Descending limb of loop of Henle Option C: Ascending limb of loop of Henle Option D: Collecting tubules Correct Answer : Collecting tubules Read more

✅ B. Paleontologist

Option A: Environmental biologist Option B: Paleontologist Option C: Marine biologist Option D: Social biologist Correct Answer : Paleontologist Read more

✅ C. Mumps

Option A: Malaria Option B: Measles Option C: Mumps Option D: Cholera Correct Answer : Mumps Read more

✅ B. Radiotherapy

Option A: Antibiotic therapy Option B: Radiotherapy Option C: Gene therapy Option D: None of these Correct Answer : Radiotherapy Read more

✅ B. Euplectella

Option A: Sycon Option B: Euplectella Option C: Leucoselenia Option D: Spongilla Correct Answer : Euplectella Read more