MEDIUM
Earn 100

Define the term chemotaxonomy.

Important Questions on Plant Kingdom

EASY
Male gametophyte with the least number of cells is present in:
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Features which are highly unique to angiosperms
I) Multicellular, much reduced and dependent gametophyte
II) Siphonogamous fertilization
III) Fusion of male gametes with egg cell and secondary nucleus
IV) Development of ovule into seed
HARD

Read the following combinations and arrange the below chronologically in the light of evolution.

i) Vascular Cryptogams - Ramenta

ii) Embryophytic non-archegoniate phanerogams - the presence of companion cells in the phloem

iii) Plant amphibians - elaters

iv) Tracheophytic archegoniate phanerogams - no vessels in the xylem

The correct sequence is 

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

In which of the following books, characters of evolutionary importance were not considered while classifying plants?
A) Species plantarum
B) Families of flowering plants
C) Genera plantarum
D) Die Naturlichen Pflanzenfamilien

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Which out of the following are included under Tracheophyta, i.e., vascular plants?
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Artificial system of plant classification was first proposed by
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According to Susruta Samhita (600 B.C.), the four divisions of the plants are-Vanaspati (fruit yielding non-flowering plant), Vrksa ( both fruit yielding and flowering plants), Virudha (shrubs and creepers) and _____.
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The first phylogenetic system of classification was proposed by
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When was Hutchinson’s system of classification revised?
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Phylogenetic classification is one which is based on
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Plant classification as proposed by Carolus Linnaeus was artificial because it was based on
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Characters from flowers are used as a basis of classification because
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Each plant or group of plants has some phylogenetic significance in relation to evolution: Cycas, one of the few living members of gymnosperms is called as the 'relic of past'. Can you establish a phylogenetic relationship of Cycas with any other group of plants that justifies the above statement?
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In which of the following, sexual reproduction takes place without water?
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Phylogenetic system of classification is based on
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How are vascular plants able to dominate the planet?
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Classification on the basis of chemical constituents of the plants is known as
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Classification done on the basis of cytological information, chromosome structure and their behaviour, is known as