Plant Diversity
How old are earlier fossils of vascular plants?
5 million
10 million
425 million
2 million
425 million
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Which of following is another name for ferns?A. Monilophytes
B. lycophytes
C. bryophytes
D. flowering plants
Which of following structures were male gametangia of ancient plants?
A. archegonia
B. antheridia
C. marchantia
D. Sporocyte
How much of earth’s land surface is covered by peatland?
A. 0.01
B. 0.1
C. 0.03
D. 0.9
What is maximum height that a non-vascular plant can grow?
A. 20 cm
B. 2 m
C. 20 m
D. 1 cm
Which of following is a multicellular diploid formed from mitotic division of zygote?
A. gamete
B. sporophyte
C. gametophyte
D. spore
What percentage of world’s soil carbon is present in peatlands?
A. 0.1
B. 0.2
C. 0.3
D. 0.4
A structure containing plant embryo and its food supply is called:
A. seed
B. spores
C. Stromalite
D. leaf
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