1
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
Which among these is the correct combination of aquatic mammals?
A
Dolphins, Seals, Trygon
B
Whales, Dolphins, Seals
C
Trygon, Whales, Seals
D
Seals, Dolphins, Sharks
2
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
In case of poriferans, the spongocoel is lined with flagellated cells called
A
mesenchymal cells
B
oscula
C
ostia
D
choanocytes
3
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
In case of proiferans, the spongocoel is lined with flagellated cells called
A
oscula
B
choanocytes
C
mesenchymal cells
D
ostia.
4
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
Important characteristic that hemichordates share with chordates is
A
ventral tubular nerve cord
B
pharynx with gill slits
C
pharynx without gill slits
D
absence of motochord.
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