The part of the root apex which gives rise to all the mature tissues of the root is known as
A. Promeristem
B. Apical meristem
C. Determination zone
D. Protoderm
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The antibiotic Griseofulvin is produced by
A. Penicillium roqueforti
B. Penicillium camemberti
C. Penicillium notatum
D. Penicillium griseofulvum
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Which of these fruits develop from an inflorescence?
A. Apple
B. Guava
C. Pineapple
D. Grape
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In seed plants and the ferns, the parenchymatous region in the stem is devoid of vascular elements, but the region is limited to only a short distance up, beyond which the vascular tissue is present. These parenchymatous regions in the vascular cylinder are described as
A. Leaf gaps
B. Lacunae
C. Leaf traces
D. Both A and B
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Which one of the following spices is a flower bud?
A. Cumin
B. Clove
C. Pepper
D. Turmeric
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Geographical and technical characters represented in the form of key to differentiate taxa higher than genera from each other is termed as
A. Couplet
B. Synopsis
C. Lead
D. Yoke
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The similarity of individuals under consideration based on a set of phenotypic characters is known as
A. Phylogenetic classification
B. Phenetic classification
C. Natural classification
D. None of the above
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The distinguishing features of the cells of meristematic tissue include:
A. Their walls are thick and made up of lignin
B. They are loosely packed with intercellular spaces
C. They show enhanced metabolic activities
D. They possess diffused nuclei
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In root apices with three sets of initials, the root cap arises from a fourth set of initials known as the
A. Epiblemma
B. Quiescent centre
C. Calyptrogen
D. Dermatogen
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The rootless plant is
A. Lemna
B. banana
C. ginger
D. lemon
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The fibres present in the xylem of stem and roots are known as
A. Surface fibres
B. Wood fibres
C. Bast fibres
D. Extraxylary fibres
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The food reserve is a type of starch known as "floridean starch" in case of
A. Phaeophytes
B. Rhodophytes
C. Chlorophytes
D. Cyanophytes
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Cork is obtained from which of the following plant?
A. Dalbergia
B. Cedrus
C. Quercus
D. Argemone
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Abscission of leaves is affected by the formation of an abscission zone
A. At the base of the petiole
B. At the tip of the leaf primordium
C. At the base of the veins
D. At the abaxial side of the leaf
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The storage organ of which of the following plants is not a stem?
A. Cane sugar
B. Ginger
C. Potato
D. Sweet potato
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Peanut plant is
A. Herb
B. Flower
C. Bush
D. None of these
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Which of the following suborders comprises the viruses which attack bacteria and are known as bacteriophages?
A. Phytophagineae
B. Phagineae
C. Zoophagineae
D. None of the above
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Correlation amongst individuals with regard to their evolutionary history is called
A. Phenetic relationship
B. Cladistic relationship
C. Chronistic relationship
D. Phylogenetic relationship
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Glow worm is
A. A mollusca
B. An insect
C. A worm
D. A nematode
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Desert plants have longer root system because
A. High temperature of the soil stimulates the growth of roots
B. Roots grow in search of water
C. Soil does not contain water, hence becomes compact and presses the roots to grow longer
D. Roots moves opposite to the solar, heat
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