31.
Which algal groups have similarity in pigment composition
A
Red algae and brown algae
B
Green algae and blue green algae
C
Kelps and diatom
D
Diatoms and euglenoids
Answer :
Kelps and diatom
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32.
Stem of Pteridium is
A
Vertical in soil
B
Horizontal in soil
C
Tuber like
D
Sub-aerial
Answer :
Horizontal in soil
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33.
The largest ovules, largest male and female gametes and largest plants are found among
A
Angiosperms
B
tree ferns and some monocots
C
gymnosperms
D
dicotyledonous plants
Answer :
gymnosperms
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34.
Oblique septa in rhizoids are characteristic of
A
Liverworts
B
Hornworts
C
Mosses
D
Ferns
Answer :
Mosses
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35.
What type of sexual reproduction occurs in Riccia
A
Isogamous
B
Anisogamous
C
Oogamous
D
Conjugation
Answer :
Oogamous
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36.
Which one of the following plants is monoecious?
A
Pinus
B
Cycas
C
Papaya
D
Marchantia
Answer :
Pinus
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37.
In pteridophytes, reduction division takes place in
A
Zygote
B
Spore mother cells
C
Gametangia
D
Prothallus
Answer :
Spore mother cells
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38.
The name "Thallophyta" was coined by
A
Endlicher
B
Linneaus
C
Christenson
D
Hackel
Answer :
Endlicher
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39.
Autotrophic thallophytes are called as
A
Fungi
B
Lichens
C
Algae
D
Microbes
Answer :
Algae
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40.
In Euistem stem the cavity formed by dissolution of protoxylem is known as
A
Callicular canal
B
Vascular canal
C
Cranial canal
D
Resin canal
Answer :
Callicular canal
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