Salient Features and Classification of Animals-nonchordate up to Phyla Level and Chordate up to Classes Level NEET Questions

Biology - Diversity in Living World

Salient Features and Classification of Animals-nonchordate up to Phyla Level and Chordate up to Classes Level MCQ Questions


7.
Tissue level of organisation is shown by:
A.
Sponges
B.
Coelenterates and Ctenophores
C.
Platyhelminthes
D.
Echinoderms
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ANSWER :
B. Coelenterates and Ctenophores
8.
Organ-system level of organisation is found in:
A.
Sponges
B.
Coelenterates
C.
Animals like Annelids, Arthropods, Molluscs, Echinoderms and Chordates
D.
All of these
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ANSWER :
C. Animals like Annelids, Arthropods, Molluscs, Echinoderms and Chordates
9.
An animal whose body parts are arranged around a central axis such that any plane passing through the centre divides the body into two equal halves is said to have:
A.
Bilateral symmetry
B.
Asymmetry
C.
Radial symmetry
D.
Spherical symmetry
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ANSWER :
C. Radial symmetry
10.
Bilateral symmetry is exhibited by:
A.
Animals where only ONE plane (sagittal) divides the body into two identical halves
B.
All planes give equal halves
C.
Only sponges
D.
Only echinoderm adults
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ANSWER :
A. Animals where only ONE plane (sagittal) divides the body into two identical halves
11.
Open circulatory system is found in:
A.
Annelids
B.
Arthropods and most Molluscs (blood pumped out of heart bathes tissues directly)
C.
Vertebrates only
D.
Echinoderms only
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ANSWER :
B. Arthropods and most Molluscs (blood pumped out of heart bathes tissues directly)
12.
In which type of cleavage do the daughter cells lie directly above the lower cells?
A.
Spiral cleavage
B.
Radial cleavage
C.
Determinate cleavage
D.
Holoblastic cleavage
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ANSWER :
B. Radial cleavage