Biology
General
Easy
Question
In 
pollination occurs at ….. celled stage.
- One
- Two
- Three
- Four
The correct answer is: Three
In 
pollination occurs at three called stage. Microspore is sheded from the microsporangium at three-celled stage, 
prothallial cell, tube cell and generative cell.
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Resin and turpentine are products of
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The members of Chlorophyceae are commonly called
The members of Chlorophyceae are commonly called
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In angiosperms, the pollen grains and ovules are produced in special structure called
In angiosperms, the pollen grains and ovules are produced in special structure called
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Read carefully the given statements about algae and choose the correct option
I) The plant body is thalloid
II) Mainly aquatic
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IV) 
and 
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I) The plant body is thalloid
II) Mainly aquatic
III) Reproduction takes place by vegetative, asexual and sexual
IV) and are the colonial form of algae
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Consider the following statements regarding the major pigments and stored food in the different groups of algae and select the correct options given.
I) In Chlorophyceae, the stored food material is starch and the major pigments are chlorophyll-
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and phycoerythrin.
Consider the following statements regarding the major pigments and stored food in the different groups of algae and select the correct options given.
I) In Chlorophyceae, the stored food material is starch and the major pigments are chlorophyll-
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Protonema is formed in
Protonema is formed in
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Phycoerythrin is present in
Phycoerythrin is present in
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Agar, one of the commercial products obtained from red algae is used
Agar, one of the commercial products obtained from red algae is used
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In the given diagram, parts labelled as, 
and 
are respectively identified as
In the given diagram, parts labelled as, and are respectively identified as
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Ovules of gymnosperm is
Ovules of gymnosperm is
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In algae the flagellate (motile) spore is called
In algae the flagellate (motile) spore is called
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In pteridophytes, phloem is without
In pteridophytes, phloem is without
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Of the following groups, which secrete and deposit calcium carbonate and appear like corals?
Of the following groups, which secrete and deposit calcium carbonate and appear like corals?
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Ovules are borne on
Ovules are borne on
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In 
the sporophytic stage is dominant
In the sporophytic stage is dominant
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