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Quiz 8
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Q.1
Assertion: In pteridophytes, zygote produces multicellular sporophyte. Reason: Sporophyte is the dominant phase in the life cycle of pteridophytes.
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a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
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b) Both Assertion and Reason are true but Reason is NOT the correct explanation of Assertion.
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c) Assertion is true but Reason is false.
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d) Both Assertion and Reason are false.
Explanation
Answer:(a)
Q.2
Assertion: Angiosperms exhibit Diplontic life cycle. Reason: In angiosperms, life cycle majority of structures are diploid and the haploid generation is represented by the gametes.
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a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
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b) Both Assertion and Reason are true but Reason is NOT the correct explanation of Assertion.
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c) Assertion is true but Reason is false.
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d) Both Assertion and Reason are false.
Explanation
Answer:(a)
Q.3
Assertion: Peristomial teeth in the capsule of Funaria regulate the spore dispersal. Reason: Peristomial teeth are 32 in number and arranged in 2 whorls of 16 each.
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a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
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b) Both Assertion and Reason are true but Reason is NOT the correct explanation of Assertion.
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c) Assertion is true but Reason is false.
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d) Both Assertion and Reason are false.
Explanation
Answer:(b)
Q.4
Assertion: Bryophytes are called as terrestrial amphibians. Reason: Bryophytes require an external layer of water on the soil surface for their existence.
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a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
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b) Both Assertion and Reason are true but Reason is NOT the correct explanation of Assertion.
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c) Assertion is true but Reason is false.
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d) Both Assertion and Reason are false.
Explanation
Answer:(a)
Q.5
Assertion: Sporophytes of pteridophytes are dominant individuals. Reason: They do not show the formation of roots.
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a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
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b) Both Assertion and Reason are true but Reason is NOT the correct explanation of Assertion.
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c) Assertion is true but Reason is false.
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d) Both Assertion and Reason are false.
Explanation
Answer:(c)
Q.6
Gemma cups are seen in:
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a) Funaria.
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b) Riccia.
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c) Marchantia.
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d) Chara.
Explanation
Answer:(c)
Q.7
Carpels in angiosperms are equivalent to _______ in gymnosperms.
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a) Megasporophyll.
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b) Megaspore mother cells.
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c) Megaspore.
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d) Megasporangium.
Explanation
Answer:(a)
Q.8
Coralloid roots in Cycas are concerned with:
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a) Storage of food.
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b) Absorption.
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c) Nitrogen fixation.
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d) Phosphate nutrition.
Explanation
Answer:(c)
Q.9
Which of the following is called ‘maiden hair fern’?
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a) Pteris.
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b) Adiantum.
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c) Pteridium.
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d) Selaginella.
Explanation
Answer:(b)
Q.10
Match the following and select the correct option
Column I
Column II
A.
Pteris
(i) Gymnosperm
B.
Cycas
(ii) Bryophyte
C.
Sphagnum
(iii) Algae
D.
Sargassum
(iv) Pteridophyta
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a)A – (iv), B –(ii), C –(i), D – (iii)
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b) A – (iv), B – (i), C-(ii), D-(iii)
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c) A – (ii),B – (iii), C –(iv),D – (i)
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d) A – (i), B – (iv), C –(iii), D- (ii)
Explanation
Answer:(b)
Q.11
Which of the following group of plants bear archegonia?
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a) Angiosperms, Bryophytes and Pteridophytes.
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b) Algae, Bryophytes and Pteridophytes.
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c) Bryophytes, Pteridophytes and Gymnosperms
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d) Algae, Bryophytes and Gymnosperms.
Explanation
Answer:(c)
Q.12
Major pigment present in Phaeophyceae are:
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a) Chlorophyll a & c.
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b) Chlorophyll a & d.
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c) Chlorophyll a & b.
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d) Chlorophyll a & e.
Explanation
Answer:(a)
Q.13
Organs of absorption and anchorage in Bryophytes are called:
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a) Thallus.
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b) Rhizophore.
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c) Roots.
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d) Rhizoids.
Explanation
Answer:(d)
Q.14
The Pteridophyta is divided into different classes. Of these the type Selaginella belongs to:
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a) Pteropsida.
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b) Sphenopsida.
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c) Lycopsida.
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d) Psilopsida
Explanation
Answer:(c)
Q.15
In Pinus:
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a) Microsporophylls and Megasporophyll are in the same cone.
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b) Male and female cones are borne on the same tree.
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c) Male and female cones are borne on different trees.
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d) Microsporophylls and Megasporophyll are not differentiated.
Explanation
Answer:(b)
Q.16
The cell wall of brown algae consists of:
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a) Inner pectin and outer algin.
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b) Inner algin and outer cellulose.
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c) Outer cellulose and inner pectin.
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d) Outer algin and inner cellulose.
Explanation
Answer:(d)
Q.17
Select the statements which are false: (i) All bryophytes and pteridophytes exhibit Haplo-diplontic life cycle. (ii) Many algae such as Volvox, Spirogyra and Chlamydomonas represent Diplontic life cycle. (iii) In seed-bearing plants the Gametophytic phase is represented by the single to few celled haploid gametophyte. (iv) Sporophyte generation is represented only by the one celled zygote in haplontic life cycle. (v) Unlike pteridophytes, in Gymnosperms the male and female gametophytes do not have an independent free-living existence.
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a) (i), (ii), (iv) and (v) only.
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b) (ii) only.
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c) (i) and (ii) only.
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d) (ii), (iii) and (v) only.
Explanation
Answer:(b)
Q.18
Pick out the statement that does not apply to bryophytes:
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a) Thallus is a gametophyte.
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b) Includes the ferns and horsetails.
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c) Water is required for fertilization.
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d) Sporophyte shows foot, seta and capsule.
Explanation
Answer:(b)
Q.19
Which of the following is a characteristic feature of gymnosperms?
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a) The male and female gametophytes do not have an independent free living existence.
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b) The pollen grain is released from the Megasporangium.
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c) The gymnosperms are homosporous.
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d) The sporophyte is dependent on the gametophyte.
Explanation
Answer:(a)
Q.20
Which of the following is/are characteristics of Rhodophyceae? (i) Presence of chlorophyll a and chlorophyll d. (ii) Presence of Floridean starch as food reserve. (iii) Majority members are fresh water forms. (iv) Presence of cellulose and algin in the cell wall.
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a) (i) and (iii).
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b) (i) and (iv).
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c) (ii) and (iii).
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d) (i) and (ii).
Explanation
Answer:(d)
Q.21
Which of the following in gymnosperms are haploid?
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a) Megaspore, endosperm and embryo.
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b) Endosperm, Megaspore and Pollen grains.
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c) Pollen grain, leaf and root.
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d) Megaspore, integument and root.
Explanation
Answer:(b)
Q.22
Zygotic meiosis is the characteristics of:
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a) Embryophyta.
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b) Thallophyta.
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c) Bryophyta.
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d) Spermatophyta.
Explanation
Answer:(b)
Q.23
Motile stages are not found in the life cycle of:
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a) Red algae and green algae.
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b) Red algae and brown algae.
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c) Red algae and blue green algae.
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d) Green algae and brown algae.
Explanation
Answer:(c)
Q.24
Spermatia are the male gametes of:
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a) Red algae.
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b) Diatoms.
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c) Spermatophyta.
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d) Tracheophyta.
Explanation
Answer:(a)
Q.25
Embryophytes include:
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a) Riccia.
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b) Lycopodium.
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c) Gnetum.
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d) All of these.
Explanation
Answer:(d)
Q.26
Bryophytes are:
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a) Sciophytes.
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b) Chrysophytes.
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c) Halophytes.
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d) Xerophytes.
Explanation
Answer:(a)
Q.27
Mosses are gregarious because they:
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a) Have vascular tissue.
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b) Have indirect germination of spores.
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c) Have direct germination of spores.
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d) Have spore mother cells.
Explanation
Answer:(b)
Q.28
Which of the following are absent in gymnosperms?
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a) Trees.
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b) Shrubs.
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c) Liana.
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d) Herbs.
Explanation
Answer:(d)
Q.29
In Gingkoales the male gametes are:
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a) Motile.
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b) Non-motile.
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c) Amoeboid.
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d) Absent.
Explanation
Answer:(b)
Q.30
Vessels are found in:
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a) All angiosperms and some gymnosperms.
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b) Most of the angiosperms and few gymnosperms.
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c) All angiosperms, all gymnosperms and some pteridophytes.
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d) All angiosperms, all gymnosperms and all pteridophytes.
Explanation
Answer:(b)
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