Question

44. The infective stage of Ascaris is
(a) second juvenile
(b) embryonated egg
(e) adult worm itself
(d) fourth juvenile
48. Ephyra is the larva of
(a) sea anemone (b) Obelia
(0) Aurelio
(d) Physalia.
46. Two examples in which the nitrogenous wastes
are excreted from body in the form ofuric acid
are
(a) birds and linards
(b) frogs and cartilaginous fishes
(c) insects and bony fishes
(d) mammals and molluse⁷s.
47. Which of the following is common among
mammals?
(a) They undergo moulting
(b) They have seven cervical vertebrae
(c) They are carnivores
(d) They have ventral nerve cord.
48. Pneumatic bone is found in
(a) shark
(b) Rana
(c) pigeon (d) whale
49. Which of the following is not found in birds?
(a) Pelvic girdle (b) Pectoral girdle
(c) Hind limb (d) Fore limb
50. Aquatic reptiles are
(a) ureotelic (b) ureotelic in water
(e) ammonotelic (d) ureotelie over land,
51. In which of the following, notochord is present
in embryonic stage?
(a) All chordates (b) Some chordates
(c) Vertebrates (d) Non chordates
52. In which of the following animals, milk is
squirted down the throat of the baby by muscular
contraction of the mother?
(a) Rhinoceros (b) Bear
(c) Camel (d) Whale​

Answer 1

Answer:

44.(e) adult worm itself...

46.(d) mammals and molluse7s.

52.(c) camel.(may be)

mark be brainlist and hope it helps.....