The first stage of development in which a cavity appears is the__________?

✅ C. Two

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

✅ C. 8 bones

Option A: 4 bones Option B: 6 bones Option C: 8 bones Option D: 14 bones Correct Answer : 8 bones Read more

✅ B. It contains joints, for the same purpose as present in human skeletal system

Option A: It permits gaseous exchange Option B: It contains joints, for the same purpose as present in human skeletal system Option C: It provides muscle attachment Option D: Like all the other types of exoskeleton, they lack sensation Correct Answer : It contains joints, for the same purpose as present in human skeletal system Read more

✅ B. 12

Option A: 7 Option B: 12 Option C: 5 Option D: 4 Correct Answer : 12 Read more

✅ D. all the above

Option A: plant Option B: bacterial Option C: fungal Option D: all the above Correct Answer : all the above Read more

✅ A. Earthworm

Option A: Earthworm Option B: Round worm Option C: Tape worm Option D: Pin worm Correct Answer : Earthworm Read more

✅ B. Hydroponics

Option A: Hydrodynamics Option B: Hydroponics Option C: Hydrotonics Option D: None of them Correct Answer : Hydroponics Read more

✅ C. Oxytocin

Option A: ADH Option B: MSH Option C: Oxytocin Option D: Progesterone Correct Answer : Oxytocin Read more