MEDIUM
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What are the dimorphic leaves that are observed is gymnosperms ?

Important Questions on Plant Kingdom

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Conifers are adapted to tolerate extreme environmental conditions because of:
MEDIUM
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.
HARD
Which of the following statements is correct?
HARD
An apple showing monosporic type of embryo sac development assumed to develop a fruit with 12 seeds. Find out the no. of chromosomes present in megaspore mother cell, functional megaspores, egg cells, synergids, antipodals, zygote and PEN
EASY
Mycorrhizae are the example of:
MEDIUM
Pinus seed cannot germinate and establish without fungal association. This is because:
EASY
Reason for extensive distribution of monocotyledons plants like wheat, maize and barley on the earth's surface are
I) Equal distribution of water and air in the habitat
II) Adaptation to excessive water and extensive dryness
III Do not show adaptation to extensive dryness
IV) Grow in excessive water and extensive dry areas
EASY
Antheridia and archegonia are most reduced in
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The microsporophylls of Pinus has
EASY
The needle-like foliage leaves are found in
EASY
Who among the following was a paleobotanist?
MEDIUM
The winged pollen grain of Pinus sp. are produced in
EASY
A plant having seeds but lacking flowers and fruits belongs to
MEDIUM
In Pinus needle vascular bundles are