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Biological Classification Kingdom Plantae II MCQ
Quiz 11
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Q.1
Identify X, Y and Z in the table given below:
Classes
Major pigments
Stored food
Flagella
Chlorophyceae
Chlorophyll a and b
Y
2 – 13, equal, apical
Phaeophyceae
X
Mannitol, Laminarin
2, unequal, lateral
Rhodophyceae
Chlorophyll a and c
Floridean starch
Z
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a) X – Fucoxanthin, Y – Starch, Z – 2 – 8 flagella.
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b) X – Phycobilins, Y – Mannitol, Z – Flagella absent.
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c) X – Chlorophyll e, Y – Laminarin, Z – 2 flagella.
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d) X – Chlorophyll a and c, Y – Starch, Z – Flagella absent.
Explanation
Answer:(d)
Q.2
Study the following characters carefully and give the most correct answer with respect to their function:
Gemma
Endosperm
(A)
For asexual reproduction
For nutrition of developing embryo
(B)
For sexual reproduction
For embryo formation
(C)
For vegetative propagation
For formation of male gametes
(D)
For giving nutrition
For giving protection
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a) A
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b) B
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c) C
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d) D
Explanation
Answer:(a)
Q.3
Identify the structures marked a –c for Marchantia:
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a) a – Antheridiophore, b – Protonema, c – Rhizoids.
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b) a – Sporophyte, b – Gemma cup, c – Rhizoids.
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c) a – Sporophyte, b – Protonema, c – Rhizoids.
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d) a – Archegoniophore, b – Gemma cup, c – Rhizoids.
Explanation
Answer:(d)
Q.4
Identify the pteridophyte and structure marked as X:
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a) Equisetum, X – Strobilus/cone.
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b) Equisetum, X – antheridia.
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c) Equisetum, X – Archegonia.
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d) Equisetum, X – Microsporangium.
Explanation
Answer:(a)
Q.5
Refer the given flow chart regarding different groups of plant kingdom: Which of the following is true regarding P, Q, R, S and T?
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a) Examples of group P includes Riccia, Marchantia, Sphagnum, etc.
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b) Members of group R can be both heterosporous and homosporous.
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c) Group Q includes seedless vascular plants which have a sporophytic plant body.
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d) Group S is more ancient than group T and formed as a dominant vegetation on earth.
Explanation
Answer:(c)
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