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Important Questions on Plant Kingdom

MEDIUM
Biology>Diversity in the Living World>Plant Kingdom>Gymnosperms

Arrange the following plants with their respective classes in the same order. Sphenopsida, Psilopsida, Pteropsida, Lycopsida, Gnetopsida

A) Selaginella
B) Equisitum
C) Sphagnum
D) Adiantum
E) Psilotum
F) Gnetum

MEDIUM
Biology>Diversity in the Living World>Plant Kingdom>Gymnosperms
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>Gymnosperms
Which of the following statements is correct?
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Biology>Diversity in the Living World>Plant Kingdom>Gymnosperms
Winged pollen grains are present in
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Biology>Diversity in the Living World>Plant Kingdom>Gymnosperms
Select the mismatch:
MEDIUM
Biology>Diversity in the Living World>Plant Kingdom>Gymnosperms
Which of the following statements is incorrect about gymnosperms?
MEDIUM
Biology>Diversity in the Living World>Plant Kingdom>Gymnosperms

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:

MEDIUM
Biology>Diversity in the Living World>Plant Kingdom>Gymnosperms
In which of the following gametophyte is not independent free living?
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Biology>Diversity in the Living World>Plant Kingdom>Gymnosperms
Mycorrhizae are the example of:
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Biology>Diversity in the Living World>Plant Kingdom>Gymnosperms
Pinus seed cannot germinate and establish without fungal association. This is because:
MEDIUM
Biology>Diversity in the Living World>Plant Kingdom>Gymnosperms
Conifers are adapted to tolerate extreme environmental conditions because of:
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Biology>Diversity in the Living World>Plant Kingdom>Gymnosperms
Select the correct statement:
MEDIUM
Biology>Diversity in the Living World>Plant Kingdom>Gymnosperms
Pollination of pollen grains in Pinus takes place at
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Biology>Diversity in the Living World>Plant Kingdom>Gymnosperms
Pinus seed shows
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Biology>Diversity in the Living World>Plant Kingdom>Gymnosperms
Meroblastic type of embryo development takes place in
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Biology>Diversity in the Living World>Plant Kingdom>Gymnosperms
The needle-like foliage leaves are found in
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Biology>Diversity in the Living World>Plant Kingdom>Gymnosperms
Which of the following plant groups has the largest gametes and is exclusively arborescent?
MEDIUM
Biology>Diversity in the Living World>Plant Kingdom>Gymnosperms
Integument in Pinus ovule is
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Biology>Diversity in the Living World>Plant Kingdom>Gymnosperms
Antheridia and archegonia are most reduced in
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Biology>Diversity in the Living World>Plant Kingdom>Gymnosperms
Which of the following is not a Pteridophyte?