Which of the following plants is known as the 'maidenhair tree'?
A. Pinus
B. Cycas
C. Gnetum
D. Ginkgo
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The formation of gametophytes which does not involve the production of spores is called
A. Parthenospory
B. Metaxenia
C. Apospory
D. Apomixis
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Rootnodules are commonly found in
A. parasitic plants
B. epiphytic plants
C. leguminous plants
D. aquatic plants
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In respect of classification of algae, the members of Phaeophyceae are commonly called
A. green algae
B. white algae
C. brown algae
D. red algae
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The yellow colour of papaya is due to
A. Papain
B. Lycopene
C. Caricaxznthin
D. Carotene
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The fascicular cambium is the strip of uniseriate cells that separates
A. Protoxylem from metaxylem
B. Protophloem from metaphloem
C. Protoxylem from metaphloem
D. Metaphloem from metaxylem
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Various evolutionary sequences have been worked out in the angiosperms which include:
A. Flowers with spirally arranged sepals, petals, stamens and carpels are more advanced than those with the cyclic, or whorled arrangement
B. Radial symmetry in flowers is the primitive condition, while bilateral symmetry is derived
C. The solitary flower is more advanced than the inflorescence
D. Trees and shrubs are more advanced than herbs
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The vascular bundles of roots where there are separate strands of phloem and xylem that are separated by parenchymatous cells and show a radial arrangement are known as
A. Open
B. Closed
C. Radial
D. Bicollateral
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The annual rings or the growth rings are not well-marked in the trees growing in the
A. Tropical regions
B. Mediterranean regions
C. Sub-tropical regions
D. Deciduous forests
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Mammal capable in flying is
A. Jaguar
B. Ostrich
C. Pellican
D. Bat
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The basic structural constituent of the cell wall in the Zygomycetes and higher fungi is
A. Cutin
B. Chitin
C. Cellulose
D. Lignin
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A specimen or element selected from the original material by any worker to serve as a nomenclatural type under the circumstances when no holotype is designated at the time of original publication, or it is missing, is known as
A. Holotype
B. Lectotype
C. Paratype
D. Epithet
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Match the following.
List-I
List-II
a. Rhizome
1. Garlic
b. Tuber
2. Jirnmykand-suran
c. Bulb
3. Ginger
d. Corm
4. Potato
A. a-1, b-2, c-3, d-4
B. a-3, b-4, c-2, d-1
C. a-3, b-4, c-1, d-2
D. a-3, b-1, c-2, d-4
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Plants adapted to dry climate are known as
A. Epiphyte
B. Xerophyte
C. Hydrophytes
D. Mean plants
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Which one of the following is a fruit?
A. Potato
B. Radish
C. Lady finger
D. Sweet potato
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Which one of the following fibre is not a product of plant stem?
A. Flax
B. Hemp
C. Jute
D. Cotton
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Which of the following has been regarded as the primitive most family of living angiosperms?
A. Magnoliaceae
B. Lignosae
C. Leguminosae
D. Liliaceae
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Collenchyma occurs in the stems in the form of two or more layers below the epidermis and forms a layer, called
A. Endodermis
B. Hypodermis
C. Pericycle
D. Exodermis
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White leg-hom is a variety of
A. Parrot
B. Peacock
C. Fowl
D. Ow
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The rules of binomial system of nomenclature include:
A. The species name begins with acapitaI letter
B. Scientific names should never be underlined
C. Comma' or other signs are used after scientific names
D. Following the scientific name of a taxon, the standardised abbreviation or initialof the author, who first described the taxon, is used
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