Biology
General
Easy
Question
In 
the number of peristomial teeth is
- 6
- 10
- 16
- 32
The correct answer is: 32
In there are 32peristomial teeth arranged in two rings of 16 each.
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The red colour of ‘red sea’ is due to which of the following blue-green algae?
The red colour of ‘red sea’ is due to which of the following blue-green algae?
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Storage bodies, pyrenoids in the chloroplast contain
Storage bodies, pyrenoids in the chloroplast contain
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In comparition to angiosperm, which one of the following algae exhibits haplo-diplontic life cycle
In comparition to angiosperm, which one of the following algae exhibits haplo-diplontic life cycle
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belong to the class
belong to the class
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In gymnosperms, the nucellus is protected by envelops and this composite structure is known as
In gymnosperms, the nucellus is protected by envelops and this composite structure is known as
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The bryophytes are fundamentally terrestrial plants but require presence of water to complete their life cycle. The water is needed for
I) dehiscence of antheridia
II) liberation of antherozoids
III) transfer of sperms from antheridia to archegonia
IV) opening of archegonial neck
V) the movement of antherozoids into the archegonial neck
Which of the statements given above are correct?
The bryophytes are fundamentally terrestrial plants but require presence of water to complete their life cycle. The water is needed for
I) dehiscence of antheridia
II) liberation of antherozoids
III) transfer of sperms from antheridia to archegonia
IV) opening of archegonial neck
V) the movement of antherozoids into the archegonial neck
Which of the statements given above are correct?
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In which of the following group would you place a plant, which produce seeds but lacks fruits?
In which of the following group would you place a plant, which produce seeds but lacks fruits?
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In …A… gametophytic phase is dominant, while in …B… sporophytic phase in dominant.
Identify the A and B. choose the correct option
In …A… gametophytic phase is dominant, while in …B… sporophytic phase in dominant.
Identify the A and B. choose the correct option
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Which of the following part of 
sporophyte is involved in the dispersal of spores?
Which of the following part of sporophyte is involved in the dispersal of spores?
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Read carefully the following statement about the sexual reproduction in ferns
I) Water is essential for fertilisation
II) Male gametophyte bears antheridia, while female gametophyte bears archegonium, which produces antherozoids and egg cell, respectively
III) Antherozoids and egg cell fuses to give rise zygote. Zygote develops into young embryo. Embryo give rise to sporophyte
Which of the statements given above are correct?
Read carefully the following statement about the sexual reproduction in ferns
I) Water is essential for fertilisation
II) Male gametophyte bears antheridia, while female gametophyte bears archegonium, which produces antherozoids and egg cell, respectively
III) Antherozoids and egg cell fuses to give rise zygote. Zygote develops into young embryo. Embryo give rise to sporophyte
Which of the statements given above are correct?
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Angiospermic plants are characterised by
I) double fertilisation
II) triploid endosperm
III) Diploid endosperm
Choose the correct option from the following regarding above statements
Angiospermic plants are characterised by
I) double fertilisation
II) triploid endosperm
III) Diploid endosperm
Choose the correct option from the following regarding above statements
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Mosses occur in moist place because
Mosses occur in moist place because
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Heterocysts are found in
Heterocysts are found in
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Which of the statement is correct about 
?
I) Plant body is thallus-like structures closely attached to substrate
II) Sporophyte is differentiated into food, seta and capsule
III) Gemma cup located on the thalli
Which of the statement is correct about ?
I) Plant body is thallus-like structures closely attached to substrate
II) Sporophyte is differentiated into food, seta and capsule
III) Gemma cup located on the thalli
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Gymnosperms are characterised by
Gymnosperms are characterised by
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