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Kingdom Plantae Questions Answers

Plant Kingdom MCQs

Kingdom Plantae - Biology Questions

Question 1
Which of the following is the tallest tree of the world?
A
Sequoia sempervirens
B
Eucalyptus regnans
C
Pinus logifolia
D
Pinus roxburgii
Question 2
The apophysis region of capsule is concerned with

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A
Formation of spores
B
Retention of moisture
C
Photosynthesis
D
Dispersal of spores
Question 3
Fruitless flowering plants are called
A
Gymnosperms
B
Primitive
C
Sterile plants
D
Angiosperms
Question 4
In Dryopteris
A
Sporophyte is parasitic over gametophyte
B
Sporophyte is independent
C
None of these
D
Both
Question 5
Bryophytes are of
A
Great economic value
B
No value at all
C
A lot of aesthetic value
D
Great ecological importance
Question 6
In Spirogyra
A
The filaments showing scalariform conjugation are homothallic
B
The filaments showing lateral conjugation are homothallic
C
Asexual reproduction occurs by zoospores
D
The filaments showing lateral conjugation are heterothallic
Question 7
Endosperm of Pinus is

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A
Female gametophyte
B
Male gametophyte
C
Sporophyte
D
None of these
Question 8
Algae attached to stone is called
A
Epilithic
B
Epifolic
C
None of these
D
Coenolithic
Question 9
A fern prothallus is bisexual. If fertilization takes place between their gametes then it is known as
A
Viviparous
B
Self fertilization
C
Cros fertilization
D
Isogamous
Question 10
Cycas occurs commonly in
A
South East Asia
B
North America
C
South America
D
Europe
Question 11
Thermal algae are forms which grow and survive
A
In deserts where the temperature in summer remains around 70°C
B
On the huge rocks exposed to bright sunlight
C
In hot water springs where the temperature remains around 70°C
D
In tropical regions where the temperature range is high
Question 12
Number of flagella present in the gametes of Ulothrix is
A
Four
B
Two
C
Three
D
One
Question 13
Which one of the following alternatives represents the gametophytic phase in Pinus?
A
Male and female cones
B
Pinus plant
C
Zygote
D
Micro and megaspores
Question 14
Alga rich in protein is
A
Spirogyra
B
Oscillatoria
C
Ulothrix
D
Chlorella
Question 15
The prothallus of fern is
A
Dorsiventral
B
Green
C
Heart-shaped
D
All of these
Question 16
In Cycas, the endosperm is

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A
Gametophytic structure
B
New structure
C
Sporophytic structure
D
Formed after fertilization
Question 17
Heterotropic nutrition is found in
A
Opuntia
B
Pistia
C
Vallisnaria
D
Drosera
Question 18
The number of male prothellial cells in Selaginella  are
A
One
B
Nil
C
Two
D
Four
Question 19
Non-motile male gametes are formed in
A
Selaginella
B
Pinus
C
Fern
D
Funaria
Question 20
The gametophyte of fern bears
A
Antheridia
B
Both
C
None of these
D
Archegonia
Question 21
How many archegonia develop on one gametophyte of Cycas?
A
1
B
1 – 5
C
3 – 6
D
2
There are 21 questions to complete.
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