1
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
In protozoa like Amoeba and Paramecium, the organ for osmoregulation is
A
contractile vacuole
B
mitochondria
C
nucleus
D
food vacuole.
2
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
In which of the following, notochord is present in embryonic stage?
A
All chordates
B
Some chordates
C
Vertebrates
D
Non chordates
3
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
In Hydra, waste material of food digestion and nitrogenous waste material are removed respectively from
A
mouth and mouth
B
body wall and body wall
C
mouth and body wall
D
mouth and tentacles.
4
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
In which of the following animals post anal tail is found?
A
Earthworm
B
Lower invertebrates
C
Scorpion
D
Snake
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