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All gymnosperms are ____________ and pollinated by _____________

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Important Questions on Plant Kingdom

MEDIUM
Biology>Diversity in the Living World>Plant Kingdom>Subdivision Gymnospermae
Identify the plant that possess all the following characters
A) Xylem and phloem are main conducting elements.
B) Pollen grains are carried by wind.
C) Transfer of pollen is direct.
D) Ovules develop into seeds after fertilisation.
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Biology>Diversity in the Living World>Plant Kingdom>Subdivision Gymnospermae
Select the mismatch:
MEDIUM
Biology>Diversity in the Living World>Plant Kingdom>Subdivision Gymnospermae
Pinus seed cannot germinate and establish without fungal association. This is because:
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Biology>Diversity in the Living World>Plant Kingdom>Subdivision Gymnospermae
Conifers are adapted to tolerate extreme environmental conditions because of:
HARD
Biology>Diversity in the Living World>Plant Kingdom>Subdivision Gymnospermae
Which of the following statements is correct?
MEDIUM
Biology>Diversity in the Living World>Plant Kingdom>Subdivision Gymnospermae
Which of the following statements is incorrect about gymnosperms?
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Biology>Diversity in the Living World>Plant Kingdom>Subdivision Gymnospermae
Mycorrhizae are the example of:
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Biology>Diversity in the Living World>Plant Kingdom>Subdivision Gymnospermae
In which of the following gametophyte is not independent free living?
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Biology>Diversity in the Living World>Plant Kingdom>Subdivision Gymnospermae
Select the correct statement:
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Biology>Diversity in the Living World>Plant Kingdom>Subdivision Gymnospermae

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R :

Assertion A : In gymnosperms the pollen grains are released from the microsporangium and carried by air currents.

Reason R: Air currents carry the pollen grains to the mouth of the archegonia where the male gametes are discharged and pollen tube is not formed.

In the light of the above statements, choose the correct answer from the options given below:

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Biology>Diversity in the Living World>Plant Kingdom>Subdivision Gymnospermae
Winged pollen grains are present in
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Biology>Diversity in the Living World>Plant Kingdom>Subdivision Gymnospermae
Assertion: Male cone of Pinus is equivalent to stamens of angiosperms.

Reason: Male cone bears pollen grains.
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Biology>Diversity in the Living World>Plant Kingdom>Subdivision Gymnospermae

In gymnosperms

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Biology>Diversity in the Living World>Plant Kingdom>Subdivision Gymnospermae
Distinguish between:
(ii) Megasporophylls and microsporophyll
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Biology>Diversity in the Living World>Plant Kingdom>Subdivision Gymnospermae
In pinus, male cone bears a large number of
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Biology>Diversity in the Living World>Plant Kingdom>Subdivision Gymnospermae
The neck of the archegonium in Pinus has
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Biology>Diversity in the Living World>Plant Kingdom>Subdivision Gymnospermae
Assertion: The female cones take much time to mature.
Reason: The seeds are shed when the cone is 22 months old.
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Biology>Diversity in the Living World>Plant Kingdom>Subdivision Gymnospermae
In which of the following will the Pinus seed originate?
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Biology>Diversity in the Living World>Plant Kingdom>Subdivision Gymnospermae
The stamen in angiosperms is analogous to which part in gymnosperm and pteridophytes?
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Biology>Diversity in the Living World>Plant Kingdom>Subdivision Gymnospermae
Megasporophylls are found in