Growth and Reproduction in Plants and Animals NDA Questions

NDA BIOLOGY

Growth and Reproduction in Plants and Animals MCQ Questions


13.
Which of the following mosses is used commercially as packing material for trans-shipment of living material?
A.
Sphagnum
B.
Marchantia
C.
Funaria
D.
Polytrichum
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ANSWER :
A. Sphagnum
14.
The sporophyte in bryophytes is differentiated into:
A.
Rhizoid, axis and sporangium
B.
Foot, seta and capsule
C.
Root, stem and leaves
D.
Protonema, leafy shoot and capsule
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ANSWER :
B. Foot, seta and capsule
15.
The first stage of the gametophyte in mosses is:
A.
Sporophyte stage
B.
Protonema stage
C.
Leafy stage
D.
Rhizoidal stage
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ANSWER :
B. Protonema stage
16.
The female sex organ in bryophytes is called:
A.
Archegonium
B.
Antheridium
C.
Oogonium
D.
Carpogonium
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ANSWER :
A. Archegonium
17.
Pteridophytes are evolutionarily significant as they are the first terrestrial plants to possess:
A.
True roots, stem and leaves
B.
Seeds
C.
Vascular tissues – xylem and phloem
D.
Flowers
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ANSWER :
C. Vascular tissues – xylem and phloem
18.
In pteridophytes, the dominant phase in the life cycle is the:
A.
Prothallus
B.
Both are equally dominant
C.
Gametophyte
D.
Sporophyte
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ANSWER :
D. Sporophyte