The morphological or taxonomical studies concerned with an area are more adequately termed as
A. Floras
B. Nomenclatures
C. Monographs
D. Revisions
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Which one of the following is commonly known as 'pond silk'?
A. Ulothrix
B. Spirogyra
C. Rhizopus
D. Yeast
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The tissues invariably composed of only one kind of cells which constitute a homogeneous system are known as
A. Simple primary permanent tissues
B. Secondary permanent tissues
C. Complex primary permanent tissues
D. Vascular tissues
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Saffron is dried mixture of
A. Leaf and stem
B. Petals and roots
C. Seed forming parts of flower
D. Seeds and buds
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In many ferns, each sorus is covered by a membranous outgrowth known as
A. Capitulum
B. Columella
C. Indusium
D. Prothallus
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The type of fruit in which litchi can be placed in
A. Drupe
B. Hesperidium
C. Nut
D. One seeded berry
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In some cases the parenchymatous cells become long and taper at either end which are called as
A. Stellate parenchyma
B. Prosenchyma
C. Aerenchyma
D. Palisade parenchyma
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The thallus of lichen is scale-like and composed of small lobes in
A. Squamulose lichen
B. Fruticose lichen
C. Foliose lichen
D. Crustose lichen
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In which part of the cinchona plant quinine occurs naturally?
A. Root
B. Fruit
C. Seed
D. Bark
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The largest genus of the family Urticaceae is
A. Urtica
B. Pilea
C. Boehmeria
D. Maoutia
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The factors that control the formation of sclereids include
A. Position of cell within the plant
B. Time of exposure to sunlight
C. Height of the plant
D. All of the above
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In case of Bacillus subtilis, the filaments are embedded in a mass of mucilage which forms a scum on the surface of water. It is called the
A. Zoogloea stage
B. Zygospore stage
C. Incipient stage
D. Incubation stage
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Who among the following was the pioneer in establishing anatomical differences between dicotyledons and monocotyledons?
A. Theophrastus
B. Dioscoroides
C. Albertus Magnus
D. Jerome Bock
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Which of the following algae is commonly called the "water net"?
A. Chlorella
B. Scenedesmus
C. Pediastrum
D. Hydrodictyon
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Flowerless plants are termed as
A. phanerogams
B. bryophytes
C. thallophytes
D. cryptogams
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According to the Vienna Congress, wide usage of any name should be considered valid rather than the name of the same individual published prior to it. This was termed as
A. The principle of nomina generica conservenda
B. The principle of Nomenclator Botanicus
C. The principle of Species Plantarum
D. None of the above
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The Rous sarcoma virus belongs to a group of viruses, called
A. Mycoviruses
B. Phycoviruses
C. Bacteriophages
D. Myxoviruses
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Match
List-I with
List-II and select the correct answer:
List-I
List-II
a. Double stranded DNA
1. Tobacco mosaic virus
b. Single stranded DNA
2. Rice dwarf virus
c. Double stranded RNA
3. Polyoma virus SV-40
d. Single stranded RNA
4. M-13
A. a-2, b-1, c-4, d-3
B. a-3, b-2, c-4, d-1
C. a-3, b-4, c-2, d-1
D. a-3, b-1, c-4, d-2
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A plant which reproduces by means of spores
A. mustard
B. coriander
C. ferns
D. Petunia
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Which of the following statement about bacteria is correct?
A. They are on the borderline of living and non-living
B. They are on the borderline of plants and animals
C. They are on the borderline of flowering and non-flowering plants
D. None of the above
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