Plant Diversity
How many known species of plants are there?
1000
50000
290000
10000
290000
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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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