Growth and Reproduction in Plants and Animals NDA Questions

NDA BIOLOGY

Growth and Reproduction in Plants and Animals MCQ Questions


7.
What are the two basic body forms cnidarians exhibit?
A.
Ectoderm and Endoderm
B.
Carbonate and Carbohydrate
C.
Solid and Liquid
D.
Polyp and Medusa
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ANSWER :
D. Polyp and Medusa
8.
Cnidarians exhibit tissue level of organisation and are diploblastic central gastro-vascular cavities with a single opening, mouth on
A.
Tunicate
B.
Chordates
C.
Hypostome
D.
Anchorage
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ANSWER :
C. Hypostome
9.
When any plane passing through the central axis of the body divides the organism into two identical halves, it is called
A.
Asymmetrical
B.
Radial Symmetry
C.
Both a and b
D.
Bilateral Symmetry
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ANSWER :
B. Radial Symmetry
10.
Where the body can be divided into identical left and right halves in only one plane
A.
Radial Symmetry
B.
Symmetrical
C.
Bilateral Symmetry
D.
Asymmetrical
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ANSWER :
C. Bilateral Symmetry
11.
What are animals that have two embryonic layers called?
A.
Protostome
B.
Diploblasts
C.
Radiata
D.
Comb Jellies
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ANSWER :
B. Diploblasts
12.
Which cells are arranged in two embryonic layers?
A.
Nitric and Sulphuric Acid
B.
Oxygen and Nitrogen
C.
Organ and Sperm
D.
Ectoderm and Endoderm
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ANSWER :
D. Ectoderm and Endoderm