Open circulatory system can contain_________?

✅ B. Spicules

Option A: Stripules Option B: Spicules Option C: Brails Option D: Spines Correct Answer : Spicules Read more

✅ B. Two

Option A: One Option B: Two Option C: Three Option D: Four Correct Answer : Two Read more

✅ C. Y

Option A: U Option B: R Option C: Y Option D: Fork Correct Answer : Y Read more

✅ A. Diatoms

Option A: Diatoms Option B: Euglenoids Option C: Dinoflagellates Option D: Brown algae Correct Answer : Diatoms Read more

✅ D. Pulmonary vein

Option A: Superior vena cava Option B: Inferior vena cava Option C: Hepatic vein Option D: Pulmonary vein Correct Answer : Pulmonary vein Read more

✅ A. bony fish

Option A: bony fish Option B: sea fish Option C: cartilaginous fish Option D: none of these Correct Answer : bony fish Read more

✅ A. Tropical rain forest

Option A: Tropical rain forest Option B: Temperate deciduous forest Option C: Grassland Option D: Tundra Correct Answer : Tropical rain forest Read more

✅ B. Faeco-oral

Option A: Serum Option B: Faeco-oral Option C: Sexual contact Option D: All of these Correct Answer : Faeco-oral Read more