Kingdom Plantae – Biology Questions:
Ques. Fruitless flowering plants are called
(a) Sterile plants
(b) Angiosperms
(c) Primitive
(d) Gymnosperms
Ques. Alga rich in protein is
(a) Chlorella
(b) Spirogyra
(c) Oscillatoria
(d) Ulothrix
Ques. Non-motile male gametes are formed in
(a) Funaria
(b) Selaginella
(c) Fern
(d) Pinus
Ques. Gibberellic acid has been successfully employed to induce flowering
(a) In long day plants under short day conditions
(b) In short day plants under long day conditions
(c) For some plants
(d) None of the above
Ques. Algae attached to stone is called
(a) Coenolithic
(b) Epifolic
(c) Epilithic
(d) None of these
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Ques. Which of the following is the tallest tree of the world?
(a) Eucalyptus regnans
(b) Sequoia sempervirens
(c) Pinus logifolia
(d) Pinus roxburgii
Ques. In Spirogyra
(a) The filaments showing scalariform conjugation are homothallic
(b) The filaments showing lateral conjugation are homothallic
(c) The filaments showing lateral conjugation are heterothallic
(d) Asexual reproduction occurs by zoospores
Ques. The alkaloid in the leaf of neem:
(a) Morphine
(b) Nimbin
(c) Quinine
(d) Casein
Ques. Heterotropic nutrition is found in
(a) Opuntia
(b) Drosera
(c) Vallisnaria
(d) Pistia
Ques. Number of flagella present in the gametes of Ulothrix is
(a) Four
(b) Three
(c) One
(d) Two
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Ques. How many archegonia develop on one gametophyte of Cycas?
(a) 1
(b) 2
(c) 1 – 5
(d) 3 – 6
Ques. Bryophytes are of
(a) Great economic value
(b) No value at all
(c) Great ecological importance
(d) A lot of aesthetic value
Ques. The latex of Hevea braziliensis gives :
(a) Rubber
(b) Alkaloids
(c) Oil
(d) Dyes
Ques. Cycas occurs commonly in
(a) South America
(b) North America
(c) South East Asia
(d) Europe
Ques. The apophysis region of capsule is concerned with
(a) Photosynthesis
(b) Formation of spores
(c) Dispersal of spores
(d) Retention of moisture
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Ques. Endosperm of Pinus is
(a) Male gametophyte
(b) Female gametophyte
(c) Sporophyte
(d) None of these
Ques. The prothallus of fern is
(a) Heart-shaped
(b) Dorsiventral
(c) Green
(d) All of these
Ques. Alkaloids are
(a) Nitrogenous, poisonous compounds
(b) Nitrogen free compounds
(c) Carbon compounds
(d) None
Ques. Which one of the following alternatives represents the gametophytic phase in Pinus?
(a) Pinus plant
(b) Zygote
(c) Micro and megaspores
(d) Male and female cones
Ques. A fern prothallus is bisexual. If fertilization takes place between their gametes then it is known as
(a) Cros fertilization
(b) Self fertilization
(c) Isogamous
(d) Viviparous
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Ques. In Cycas, the endosperm is
(a) Sporophytic structure
(b) Gametophytic structure
(c) New structure
(d) Formed after fertilization
Ques. In Dryopteris
(a) Sporophyte is parasitic over gametophyte
(b) Sporophyte is independent
(c) Both
(d) None of these
Ques. Aromatic oils occur in leaves of
(a) Lemon grass
(b) Ocimum
(c) Eucalyptus
(d) All
Ques. The number of male prothellial cells in Selaginella are
(a) One
(b) Two
(c) Four
(d) Nil
Ques. The gametophyte of fern bears
(a) Antheridia
(b) Archegonia
(c) Both
(d) None of these
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Ques. Thermal algae are forms which grow and survive
(a) In tropical regions where the temperature range is high
(b) In hot water springs where the temperature remains around 70°C
(c) On the huge rocks exposed to bright sunlight
(d) In deserts where the temperature in summer remains around 70°C
Ques. Plant utilizes less than the following percent of water for vital activities
(a) 2
(b) 3
(c) 4
(d) 5
Ques. If a heterozygous plant is crossed with a homozygous dwarf plant the proportion of dwarf progenly will be
(a) 25 %
(b) 50 %
(c) 75 %
(d) 100 %
Ques. In which of the following plants vegetative reproduction takes place with the help of bulbs
(a) Pistia
(b) Colocasia
(c) Zingiber
(d) Agave
Ques. During unfavourable conditions growth occurs in plants
(a) Slowly
(b) Rapidly
(c) Continuously
(d) With gaps
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Ques. Cytoplasmic male sterility in flowering plants is contributed by
(a) Male gamete
(b) Female gamete
(c) Both (a) and (b)
(d) None of the above
Ques. In scalariform conjugation two fusing gametes of Spirogyra are
(a) Morphologically dissimilar
(b) Morphologically similar but physiologically dissimilar
(c) Morphologically and physiologically dissimilar
(d) Morphologically similar
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Brophytes are also for great economical importance
where is other topics questions?