Each ach nephridium of earthworm opens to the exterior by__________?

✅ B. 50

Option A: 60 Option B: 50 Option C: 40 Option D: 70 Correct Answer : 50 Read more

✅ B. Osmosis

Option A: Deffusion Option B: Osmosis Option C: Active transport Option D: None of these Correct Answer : Osmosis Read more

✅ A. All of them have blood vascular system

Option A: All of them have blood vascular system Option B: They may be coelomate pseudocoelomate or acoelomate Option C: They are included in grade bilaterian Option D: All of them have digestive system Correct Answer : All of them have blood vascular system Read more

✅ B. Unavailability of ATP, which is necessary to break the link between actin and myosin.

Option A: Accunulation of rigid proteins molecules in sarcoplam. Option B: Unavailability of ATP, which is necessary to break the link between actin and myosin. Option C: Decrease in body temperature after death. Option D: Death of tissue due to unavailability of O2. Correct Answer : Unavailability of ATP, which is necessary to break the link between actin and myosin. Read more

✅ D. Polio

Option A: Measles Option B: Herpes simplex Option C: Hepatitis Option D: Polio Correct Answer : Polio Read more

✅ D. Carbohydrates

Option A: Monosaccharides Option B: Oligosaccharides Option C: Ploysacharides Option D: Carbohydrates Correct Answer : Carbohydrates Read more

✅ B. Integuments

Option A: Sporangium Option B: Integuments Option C: Ovule Option D: Pericarp Correct Answer : Integuments Read more

✅ D. Glut 4

Option A: Glut 1&3 Option B: Glut 2 Option C: Glut 1 Option D: Glut 4 Correct Answer : Glut 4 Read more