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4

Refer the following statement(s) and identify the group of plant which is being described by given statements ?
(i) They include various mosses and liverworts that are found commonly growing in moist shaded areas in the hills.
(ii) They lack true roots, stem or leaves.
(iii) The main plant body is haploid.
(iv) They produce a multicellular body sporophyte which is not free living but attached to the photosynthetic gametophyte and derives nourishment from it.

A. Algae

B. Fungi

C. Bryophytes

D. Pteridophytes

Correct Answer :

C. Bryophytes


Bryophytes are small, non-vascular plants, such as mosses, liverworts and hornworts. Bryophytes do not have seeds or flowers. Instead they reproduce via spores.

Related Questions

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4

Match column-I with column-II and choose the correct option.
Column-IColumn-II
A. PhaeophyceaeI. Have an elaborate mechanism of spore dispersal
B. RhodophyceaeII. first terrestrial plant with vascular tissue-phloem and xylem
C. MossesIII. Asexual reproduction by biflagellate zoosposes
D. PteridophytesIV. Polysiphonia, Porphyra, Gracilaria

A. A III; B IV; C I; D II

B. A IV; B III; C I; D II

C. A IV; B III; C II; D I

D. A IV; B I; C III; D II

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4

Fusion of two gametes which are dissimilar in size is termed as _______.

A. isogamous

B. oogamous

C. anisogamous

D. agamous

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4

Flagellate isogametes and anisogametes are found in

A. Spirogyra

B. Fucus

C. Volvox

D. Chlamydomonas

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4

Which of the following statement is incorrect ?

A. Double fertilization is unique to gymnosperms and monocotyledons.

B. Sequoia, a gymnosperm, is one of the tallest tree species.

C. Phaeophyceae members possess chlorophyll a, c, carotenoids and xanthophylls.

D. Moss is a gametophyte which consists of two stages namely, protonemal stage and leafy stage.

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4

Statement 1: Double fertilization is a characteristic feature of angiosperms.
Statement 2: Double fertilization involves two fusions.

A. Both statements -1 and statement - 2 are true and statement - 2 is the correct explanation of statement - 1.

B. Both statements -1 and statement - 2 are true but statement - 2 is not the correct explanation of statement - 1.

C. Statement -1 is true and statement - 2 is false.

D. Statement -1 is false and statement - 2 is true.

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4

Which of the following pteridophytes belong to class pteropsida?

A. Equisetum and Psilotum

B. Lycopodium and Adiantum

C. Selaginella and Pteris

D. Pteris and Adiantum

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4

Which of the following statement(s) is/are correct ?
(i) Agar, one of commercial products obtained from Laminaria and Sargassum are used to grow microbes and in preparations of ice-creams and jellies.
(ii) In phaeophyceae, major pigments are chl a, d and phycoerythrin.
(iii) Pteridophytes classified into four classes : Psilopsida, Lycopsida, Sphenopsida and Pteropsida.
(iv) Gemmae are green, multicellular, asexual buds, which develop in small receptacles called gemma cups located on the thalli.

A. Both (i) and (ii)

B. Both (ii) and (iv)

C. Both (iii) and (iv)

D. All of these

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4

Read the following statements and choose the correct option.
(i) In rhodophyceae, food is stored in the form of mannitol and laminarin.
(ii) The ovules of gymnosperms are not enclosed by ovary wall.
(iii) Salvinia is heterosporous.
(iv) In the diplontic life-cycle, the free living gametophyte represents the dominant phase.

A. (ii) and (iii) are correct but (i) and (iv) are incorrect.

B. (ii) and (iv) are correct but (i) and (iii) are incorrect.

C. (iii) and (iv) are correct but (i) and (ii) are incorrect.

D. (i) and (ii) are correct but (iii) and (iv) are incorrect.

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4

Chemotaxonomy is connected with

A. classification of chemicals found in plants.

B. use of phytochemical data in systematic botany.

C. application of chemicals on herbarium sheets.

D. use of statistical methods in chemical yielding plants.

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4

Refer the following statement(s) and identify the group of plant which is being described by given statements ?
(i) They include various mosses and liverworts that are found commonly growing in moist shaded areas in the hills.
(ii) They lack true roots, stem or leaves.
(iii) The main plant body is haploid.
(iv) They produce a multicellular body sporophyte which is not free living but attached to the photosynthetic gametophyte and derives nourishment from it.

A. Algae

B. Fungi

C. Bryophytes

D. Pteridophytes

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4

Which of the following pair is incorrectly matched ?

A. Chlorophyceae Major pigments are chl a and b.

B. Phaeophyceae Cell wall is made up of cellulose and algin.

C. Rhodophyceae Stored food is mannitol.

D. Chlorophyceae Cell wall is made up of cellulose.

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4

What is common in all the three, Funaria, Dryopteris and Ginkgo?

A. Independent sporophyte

B. Presence of archegonia

C. Well developed vascular tissues

D. Independent gametophyte

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4

What is the number and position of insertions of flagella in rhodopyceae class of algae ?

A. 2 - 8, equal, apical

B. 2, unequal, lateral

C. 2 - 6, equal, lateral

D. Absent

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4

Statement 1: Members of phaeophyceae vary in colour from olive green to various shades of brown.
Statement 2: Phaeophyceae possess chlorophyll a, c, carotenoids and xanthophylls.

A. Both statements -1 and statement - 2 are true and statement - 2 is the correct explanation of statement - 1.

B. Both statements -1 and statement - 2 are true but statement - 2 is not the correct explanation of statement - 1.

C. Statement -1 is true and statement - 2 is false.

D. Statement -1 is false and statement - 2 is true.

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4

If there are 4 cells in anther, what will be the number of pollen grains?

A. 8

B. 4

C. 16

D. 12

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4

Which one of the following is the major difference between mosses and ferns ?

A. Ferns lack alternation of generation while mosses show the same.

B. Mosses are facultative aerobes while ferns are obligate aerobes.

C. Vascular bundles of ferns show xylem vessels while those of mosses lack it.

D. Sporophytes of ferns live much longer as compared to the sporophytes of mosses.

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4

Consider the following statements regarding gymnosperms and choose the correct option.
(i) In gymnosperms, the male and female gametophytes have an independent existence.
(ii) The multicellular female gametophyte is retained within the megasporangium.
(iii) The gymnosperms are heterosporous. Of these statements

A. (i) and (ii) are correct but (iii) is incorrect

B. (i) and (iii) are correct but (ii) is incorrect

C. (ii) and (iii) are incorrect but (i) is correct

D. (ii) and (iii) are correct but (i) is incorrect

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4

Which of the following statements with respect to gymnosperms and angiosperms is/are correct?
(i) The process of double fertilization is present in gymnosperms.
(ii) Angiosperms range in size from microscopic Wolffia to tall trees of Sequoia.
(iii) In gymnosperms, the seeds are not covered.
(iv) In gymnosperms, the male and female gametophytes have an independent free living existence. Of the above statements

A. (i) and (ii)

B. (iii) only

C. (ii) and (iii)

D. (iii) and (iv)

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4

Which one of the following term is correctly matched with their definition in Pinus ?

A. Monoecious Male (microsporangiate) and female (megasporangiate) cones are produced on same plant.

B. Monoecious Male and female sporophylls borne on same strobilus.

C. Dioecious Male and female cones are produced on different plants.

D. Monoecious Micro and megasporocarp develop on same plant.

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4

Match column-I with column-II and select the correct answer using the codes given below.
Column-IColumn-II
(Group of Planet Kingdom)(Examples)
A. AlgaeI. Solanum tuberosum
B. FungiII. Equisetum
C. AngiospermIII. Cycas
D. PteridophyteIV. Chlamydomonas
E. GymnospermV. Rhizopus

A. A V; B IV; C I; D II; E III

B. A IV; B V; C I; D II; E III

C. A IV; B I; C V; D II; E III

D. A IV; B I; C V; D III; E II

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4

Protonema and leafy stage are the predominant stage of the life cycle of

A. moss

B. dicots

C. liverwort

D. gymnosperm

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4

If the cells of root in wheat plant have 42 chromosomes, then the no. of chromosome in the cell of pollen grain is

A. 14

B. 21

C. 28

D. 42

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4

Match column-I with column-II and choose the correct option.
Column-IColumn-II
A. Amphibian of theI. Sphagnum plant kingdom
B. Specialized structuresII. Angiosperms in liverworts for asexual reproduction
C. Monocotyledons andIII. Bryophytes dicotyledons
D. A plant which hasIV. Gemmae capacity to holding water

A. A III; B IV; C I; D II

B. A III; B IV; C II; D I

C. A IV; B III; C II; D I

D. A III; B II; C IV; D I

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4

Which of the following, examples belongs to the same class of algae?

A. Chara, Fucus, Polysiphonia

B. Volvox, Spirogyra, Chlamydomonas

C. Porphyra, Ectocarpus, Ulothrix

D. Sargassum, Laminaria, Gracilaria

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4

Which of the following statement(s) is/are correct about angiosperms ?
(i) In angiosperms or flowering plants, the pollen grains and ovules are developed in specialised structure called flowers.
(ii) They are divided into two classes : the dicotyledons and the monocotyledons.
(iii) The male sex organ in a flower is the pistil or the carpel.
(iv) The female sex organ is the stamen.

A. Only (i)

B. Both (i) and (ii)

C. Both (ii) and (iv)

D. All of these

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4

In bryophytes, male and female sex organs are called ______ and ______ respectively.

A. microsporangia; macrosporangia

B. male strobili; female strobili

C. antheridia; archegonia

D. androecium; gynoecium

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4

The heterosporous pteridophyte belonging to the class lycopsida is

A. Selaginella

B. Psilotum

C. Equisetum

D. Pteris

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4

You are given an unknown plant to study in the laboratory. You find that it has chlorophyll, no xylem. Its multicellullar sex organs are enclosed in a layer of jacket cells. Its gametophyte stage is free living. The plant probabily belongs to

A. chlorophyceae

B. bryophyte

C. pteridophyte

D. gymnosperm

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4

Which of the following statements (i) - (v) are correct ?
(i) In Equisetum, the female gametophyte is retained on the parent sporophyte.
(ii) In Ginkgo, male gametophyte is not independent.
(iii) The sporophyte in Riccia is more developed than that in Polytrichum.
(iv) Sexual reproduction in Volvox is isogamous.

A. Two

B. Three

C. Four

D. One

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4

Match column-I with column-II and choose the correct option.
Column-IColumn-II
A. Smallest flowing plantI. Eucalyptus
B. Male sex organ inII. Wolffia flowering plant
C. Female sex organIII. Stamen in flowering plant
D. Tallest treeIV. Pistil

A. A I; B II; C III; D IV

B. A IV; B III; C II; D I

C. A II; B III; C IV; D I

D. A II; B IV; C III; D I