Planet Kingdom 1000+ MCQ with answer for SSC GD
Thursday 9th of March 2023
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1. Pyrenoids in green algal cells are related to
A. starch formation
B. protein storage
C. general metabolism
D. enzyme secretion
Answer : A
A. starch formation
B. protein storage
C. general metabolism
D. enzyme secretion
Answer : A
2. Which one of the following is a correct statement?
A. Pteridophyte gametophyte has a protonemal and leafy stage.
B. In gymnosperms, female gametophyte is free-living.
C. Antheridiophores and archegoniophores are present in pteridophytes.
D. Origin of seed habit can be traced in pteridophytes.
Answer : D
A. Pteridophyte gametophyte has a protonemal and leafy stage.
B. In gymnosperms, female gametophyte is free-living.
C. Antheridiophores and archegoniophores are present in pteridophytes.
D. Origin of seed habit can be traced in pteridophytes.
Answer : D
3. 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
Answer : D
A. 2 - 8, equal, apical
B. 2, unequal, lateral
C. 2 - 6, equal, lateral
D. Absent
Answer : D
4. A universal feature of the life cycle of plants is
A. morphologically identical haploid and diploid stages.
B. genetically identical haploid and diploid stages.
C. alteration of generations between heteromorphic haploid gametophytes and diploid sporophytes.
D. none of the above
Answer : C
A. morphologically identical haploid and diploid stages.
B. genetically identical haploid and diploid stages.
C. alteration of generations between heteromorphic haploid gametophytes and diploid sporophytes.
D. none of the above
Answer : C
5. Mosses do not have true leaves because their leaf-like structures lack
A. starch in their chloroplast.
B. vascular tissues.
C. chlorophyll.
D. cellulose in their cell walls.
Answer : B
A. starch in their chloroplast.
B. vascular tissues.
C. chlorophyll.
D. cellulose in their cell walls.
Answer : B
6. 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.
Answer : A
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.
Answer : A
7. Fusion of two gametes which are dissimilar in size is termed as _______.
A. isogamous
B. oogamous
C. anisogamous
D. agamous
Answer : C
A. isogamous
B. oogamous
C. anisogamous
D. agamous
Answer : C
8. Fruits are not formed in gymnosperms because of
A. absence of pollination.
B. absence of seed.
C. absence of fertilization.
D. absence of ovary.
Answer : D
A. absence of pollination.
B. absence of seed.
C. absence of fertilization.
D. absence of ovary.
Answer : D
9. 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.
Answer : B
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.
Answer : B
10. Moss peat is used as a packing material for sending flowers and live plants to distant places because
A. it reduces transpiration.
B. it serves as a disinfectant.
C. it is easily available.
D. it is hygroscopic.
Answer : D
A. it reduces transpiration.
B. it serves as a disinfectant.
C. it is easily available.
D. it is hygroscopic.
Answer : D
11. Laminaria (Kelp) and Fucus (Rock weed) are examples of
A. green algae
B. brown algae
C. red algae
D. golden brown algae
Answer : B
A. green algae
B. brown algae
C. red algae
D. golden brown algae
Answer : B
12. What is the similarity between gymnosperms and angiosperms?
A. Phloem of both have companian cells.
B. Endosperm is formed before fertilization in both.
C. Origin of ovule and seed is similar in both.
D. Both have leaves, stem and roots.
Answer : D
A. Phloem of both have companian cells.
B. Endosperm is formed before fertilization in both.
C. Origin of ovule and seed is similar in both.
D. Both have leaves, stem and roots.
Answer : D
13. Which one of the following statement concerning the algae is incorrect ?
A. Most algae are photosynthetic.
B. Algae can be classified according to their pigments.
C. All algae are filamentous.
D. Spirogyra does not produce zoospores.
Answer : C
A. Most algae are photosynthetic.
B. Algae can be classified according to their pigments.
C. All algae are filamentous.
D. Spirogyra does not produce zoospores.
Answer : C
14. The unique feature of bryophytes compared to other plant groups is that
A. they produce spores.
B. they lack vascular tissues.
C. they lack roots.
D. their sporophyte is attached to the gametophyte.
Answer : D
A. they produce spores.
B. they lack vascular tissues.
C. they lack roots.
D. their sporophyte is attached to the gametophyte.
Answer : D
15. Why rhodophyta exhibit a red colour ?
A. Since most rhodophyta grow at great depths, the chlorophyll can only absorb light in the red area of the spectrum.
B. The wavelengths of light that are absorbed by chlorophyll are passed to phycoerythrin (a red pigment).
C. Red pigment of rhodophyta absorbs all the light waves.
D. The light reaching the greatest depth in water is in the blue-green region of the spectrum, is absorbed by phycoerythrin.
Answer : B
A. Since most rhodophyta grow at great depths, the chlorophyll can only absorb light in the red area of the spectrum.
B. The wavelengths of light that are absorbed by chlorophyll are passed to phycoerythrin (a red pigment).
C. Red pigment of rhodophyta absorbs all the light waves.
D. The light reaching the greatest depth in water is in the blue-green region of the spectrum, is absorbed by phycoerythrin.
Answer : B
16. Deep in the tropical rain forest, a botanist discovered an unusual plant with vascular tissues, stomata, a cuticle, flagellated sperm, conelike reproductive structures bearing seeds, and an alternation-of-generations life cycle. He was very excited about this discovery because it would be rather unusual for a plant to have both
A. a cuticle and flagellated sperm.
B. vascular tissues and alternation of generations.
C. seeds and flagellated sperm.
D. alternation of generations and seeds.
Answer : C
A. a cuticle and flagellated sperm.
B. vascular tissues and alternation of generations.
C. seeds and flagellated sperm.
D. alternation of generations and seeds.
Answer : C
17. 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
Answer : C
A. microsporangia; macrosporangia
B. male strobili; female strobili
C. antheridia; archegonia
D. androecium; gynoecium
Answer : C
18. 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 sow xylem vessels while those of mosses lack it.
D. Sporophytes of ferns live much longer as compared to the sporophytes of mosses.
Answer : D
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 sow xylem vessels while those of mosses lack it.
D. Sporophytes of ferns live much longer as compared to the sporophytes of mosses.
Answer : D
19. Which of the following branch of science is being described by the given statements ?
(i) It can easily done by using computers based on all observable characters.
(ii) Numbers and codes are assigned to all the characters and the data are then processed.
(iii) Each character is given equal weightage and at the same time hundred of characters can be considered.
A. Cytotaxonomy
B. Numerical taxonomy
C. Chemotaxonomy
D. ??-taxonomy
Answer : B
(i) It can easily done by using computers based on all observable characters.
(ii) Numbers and codes are assigned to all the characters and the data are then processed.
(iii) Each character is given equal weightage and at the same time hundred of characters can be considered.
A. Cytotaxonomy
B. Numerical taxonomy
C. Chemotaxonomy
D. ??-taxonomy
Answer : B
20. 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
Answer : D
(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
Answer : D
21. Which of the following statement(s) is/are correct about gemmae ?
(i) These are specialised structures by which asexual reproduction take place in liverworts.
(ii) They are green, multicellular and asexual buds.
(iii) They develop in small receptacles called gemma cups.
(iv) They detach from parent body and germinate to form new individuals.
A. (i) and (ii)
B. (ii) and (iii)
C. (i), (ii) and (iii)
D. All of these
Answer : D
(i) These are specialised structures by which asexual reproduction take place in liverworts.
(ii) They are green, multicellular and asexual buds.
(iii) They develop in small receptacles called gemma cups.
(iv) They detach from parent body and germinate to form new individuals.
A. (i) and (ii)
B. (ii) and (iii)
C. (i), (ii) and (iii)
D. All of these
Answer : D
22. A bryophyte differs from pteridophytes in having
A. archegonia.
B. lack of vascular tissue.
C. swimming antherozoids.
D. independent gametophytes.
Answer : B
A. archegonia.
B. lack of vascular tissue.
C. swimming antherozoids.
D. independent gametophytes.
Answer : B
23. A research student collected certain alga and found that its cells contained both chlorophyll a and chlorophyll d as well as phycoerythrin on the basis of his observation the students conclude that the alga belongs to
A. rhodophyceae
B. bacillariophyceae
C. chlorophyceae
D. phaeophyceae
Answer : A
A. rhodophyceae
B. bacillariophyceae
C. chlorophyceae
D. phaeophyceae
Answer : A
24. Classification of plants proposed by Carolus Linnaeus was artificial because it was based on
A. only a few morphological characters.
B. evolutionary tendencies which are diverse.
C. anatomical characters which are adaptive in nature.
D. physiological traits alongwith morphological characters.
Answer : A
A. only a few morphological characters.
B. evolutionary tendencies which are diverse.
C. anatomical characters which are adaptive in nature.
D. physiological traits alongwith morphological characters.
Answer : A
25. 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
Answer : B
A. chlorophyceae
B. bryophyte
C. pteridophyte
D. gymnosperm
Answer : B
26. 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
Answer : C
(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
Answer : C
27. Bryophytes are different from fungi in having
A. land habit.
B. sterile jacket layers.
C. multiflagellate gametes.
D. gametophytic plant body.
Answer : B
A. land habit.
B. sterile jacket layers.
C. multiflagellate gametes.
D. gametophytic plant body.
Answer : B
28. The spreading of living pteridophytes is limited and restricted to narrow geographical region because
A. gametophytic growth needs cool, damp and shady places.
B. it requires water for fertilization.
C. due to absence of stomata in leaf and absence of vascular tissue.
D. both (a) and (b)
Answer : D
A. gametophytic growth needs cool, damp and shady places.
B. it requires water for fertilization.
C. due to absence of stomata in leaf and absence of vascular tissue.
D. both (a) and (b)
Answer : D
29. Which of the following statements are incorrect?
A. Pyrenoids contain protein besides starch.
B. Sexual reproduction may be isogamous, oogamous and anisogamous in green and brown algae.
C. Some of the members of algae also occur in association with fungi (lichen) and animals (eg, on sloth bear).
D. The leaves in pteridophytes are well adapted to withstand extremes of temperature, humidity and wind.
Answer : D
A. Pyrenoids contain protein besides starch.
B. Sexual reproduction may be isogamous, oogamous and anisogamous in green and brown algae.
C. Some of the members of algae also occur in association with fungi (lichen) and animals (eg, on sloth bear).
D. The leaves in pteridophytes are well adapted to withstand extremes of temperature, humidity and wind.
Answer : D
30. Which of the following statements with respect to algae are correct.
(i) Fusion between one large, non-motile female gamete and a smaller, motile male gamete is termed as oogamous.
(ii) Fusion of two gametes dissimilar in size is termed as oogamous.
(iii) Fusion of two gametes similar in size is called anisogamous.
(iv) In chlorophyceae, the major pigments are chlorophyll a and b , and the food is stored as starch.
(v) In rhodophyceae, the major pigments are chlorophyll a and d , and the food is stored as mannitol.
A. (i) and (v)
B. (iii) and (v)
C. (i) and (ii)
D. (i) and (iv)
Answer : D
(i) Fusion between one large, non-motile female gamete and a smaller, motile male gamete is termed as oogamous.
(ii) Fusion of two gametes dissimilar in size is termed as oogamous.
(iii) Fusion of two gametes similar in size is called anisogamous.
(iv) In chlorophyceae, the major pigments are chlorophyll a and b , and the food is stored as starch.
(v) In rhodophyceae, the major pigments are chlorophyll a and d , and the food is stored as mannitol.
A. (i) and (v)
B. (iii) and (v)
C. (i) and (ii)
D. (i) and (iv)
Answer : D
31. Which of the following statements about algae is/are correct?
(i) Algae are chlorophyll bearing simple, thalloid, heterotrophic and aquatic (both fresh water and marine) organisms.
(ii) Algae reproduce by vegetative means only.
(iii) Fusion of two gametes dissimilar in size is termed as oogamous.
(iv) A few of the massive forms of algae such as kelps, form massive plant bodies.
A. Only (i)
B. Both (i) and (iii)
C. Only (iv)
D. All of these
Answer : C
(i) Algae are chlorophyll bearing simple, thalloid, heterotrophic and aquatic (both fresh water and marine) organisms.
(ii) Algae reproduce by vegetative means only.
(iii) Fusion of two gametes dissimilar in size is termed as oogamous.
(iv) A few of the massive forms of algae such as kelps, form massive plant bodies.
A. Only (i)
B. Both (i) and (iii)
C. Only (iv)
D. All of these
Answer : C
32. Flagellate isogametes and anisogametes are found in
A. Spirogyra
B. Fucus
C. Volvox
D. Chlamydomonas
Answer : D
A. Spirogyra
B. Fucus
C. Volvox
D. Chlamydomonas
Answer : D
33. 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
Answer : D
A. Equisetum and Psilotum
B. Lycopodium and Adiantum
C. Selaginella and Pteris
D. Pteris and Adiantum
Answer : D
34. A student was given a sample to observe under the microscope. He observed and found that the sample is the most common type of spore involved in asexual reproduction in algae. Identify the spore.
A. Zoospore
B. Endospore
C. Hypnospore
D. None of the above
Answer : A
A. Zoospore
B. Endospore
C. Hypnospore
D. None of the above
Answer : A
35. Match column-I with column-II and select the correct answer using the codes given below.
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
Answer : B
| Column-I | Column-II |
|---|---|
| (Group of Planet Kingdom) | (Examples) |
| A. Algae | I. Solanum tuberosum |
| B. Fungi | II. Equisetum |
| C. Angiosperm | III. Cycas |
| D. Pteridophyte | IV. Chlamydomonas |
| E. Gymnosperm | V. 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
Answer : B
36. The Natural system of classification for flowering plants was given by
A. Carolus Linnaeus
B. Bentham and Hooker
C. Engler and Prantl
D. R. H. Whittaker
Answer : B
A. Carolus Linnaeus
B. Bentham and Hooker
C. Engler and Prantl
D. R. H. Whittaker
Answer : B
37. Fern plant is a
A. haploid gametophyte
B. diploid gametophyte
C. diploid sporophyte
D. haploid sporophyte
Answer : C
A. haploid gametophyte
B. diploid gametophyte
C. diploid sporophyte
D. haploid sporophyte
Answer : C
38. Which of the following group of plant is being described by given statements ?
(i) The plant body is thalloid.
(ii) Asexual reproduction takes place by fragmentation of thalli, or by the formation of specialized structures called gemmae.
(iii) The sporophyte is differentiated into a foot, seta and capsule.
(iv) They grow usually in moist and shady habitats.
A. Liverworts
B. Moss
C. Fern
D. Gymnosperm
Answer : A
(i) The plant body is thalloid.
(ii) Asexual reproduction takes place by fragmentation of thalli, or by the formation of specialized structures called gemmae.
(iii) The sporophyte is differentiated into a foot, seta and capsule.
(iv) They grow usually in moist and shady habitats.
A. Liverworts
B. Moss
C. Fern
D. Gymnosperm
Answer : A
39. Which of the following statement(s) is/are correct about pteridophytes ?
(i) The main plant body is a sporophyte which is differentiated into true roots and leaves.
(ii) The leaves are small (microphylls) as in ferns or large (macrophylls) as in Selaginella.
(iii) Genera like Selaginella and Salvinia which produce two kinds of sporesmacro (large) and micro (small) spores, are known as heterospores.
(iv) Common examples are Funaria, Polytrichum and Sphagnum.
A. Both (i) and (ii)
B. Both (ii) and (iii)
C. Both (i) and (iii)
D. All of these
Answer : C
(i) The main plant body is a sporophyte which is differentiated into true roots and leaves.
(ii) The leaves are small (microphylls) as in ferns or large (macrophylls) as in Selaginella.
(iii) Genera like Selaginella and Salvinia which produce two kinds of sporesmacro (large) and micro (small) spores, are known as heterospores.
(iv) Common examples are Funaria, Polytrichum and Sphagnum.
A. Both (i) and (ii)
B. Both (ii) and (iii)
C. Both (i) and (iii)
D. All of these
Answer : C
40. In angiosperms, a mature male gametophyte is derived from a pollen mother cell by
A. three mitotic divisions.
B. one meiotic and two mitotic divisions.
C. two meiotic divisions.
D. a single meiotic division.
Answer : B
A. three mitotic divisions.
B. one meiotic and two mitotic divisions.
C. two meiotic divisions.
D. a single meiotic division.
Answer : B
41. Mosses are of great ecological importance because of
A. its contribution to prevent soil erosion.
B. its contribution in ecological succession.
C. its capability to remove CO from the atmosphere.
D. both (a) and (b)
Answer : D
A. its contribution to prevent soil erosion.
B. its contribution in ecological succession.
C. its capability to remove CO from the atmosphere.
D. both (a) and (b)
Answer : D
42. In class phaeophyceae, the plant body is usually attached to the substratum by a A and has a stalk, the B and leaf like photosynthetic organ-the C .
A. A holdfast, B stipe, C frond
B. A stipe, B holdfast, C frond
C. A frond, B stipe, C holdfast
D. A stipe, B frond, C holdfast
Answer : A
A. A holdfast, B stipe, C frond
B. A stipe, B holdfast, C frond
C. A frond, B stipe, C holdfast
D. A stipe, B frond, C holdfast
Answer : A
43. Algin, carrageen and proteins are obtained from
A. red algae, brown algae, green algae respectively.
B. brown algae, red algae, green algae respectively.
C. red algae, green algae, brown algae respectively.
D. green algae, brown algae, red algae respectively.
Answer : B
A. red algae, brown algae, green algae respectively.
B. brown algae, red algae, green algae respectively.
C. red algae, green algae, brown algae respectively.
D. green algae, brown algae, red algae respectively.
Answer : B
44. Match column-I with column-II and choose the correct option.
A. A I; B II; C III; D IV
B. A IV; B III; C II; D I
C. A II; B I; C III; D IV
D. A III; B II; C I; D IV
Answer : B
| Column-I | Column-II |
|---|---|
| A. Agar | I. Single cell protein, used as food supplements by space travellers |
| B. Algin | II. Red algae |
| C. Carrageen | III. Brown algae |
| D. Chlorella | IV. Gelidium, Gracilaria Spirullina |
A. A I; B II; C III; D IV
B. A IV; B III; C II; D I
C. A II; B I; C III; D IV
D. A III; B II; C I; D IV
Answer : B
45. Match the column I with column II and choose the option which shows its correct combination.
A. A III; B II; C I
B. A I; B II; C III
C. A II; B I; C III
D. A III; B I; C II
Answer : A
| Column-I | Column-II |
|---|---|
| (Pattern of life cycle in plant) | (Examples) |
| A. Haplontic | I. Bryophytes, Pteridophytes, life cycle Ectocarpus, Polysiphonia, Kelps |
| B. Diplontic | II. Seed bearing plants life cycle (Gymnosperm and Angiosperm), Fucus |
| C. Haplo-diplontic | III. Many algae (Volvox, life cycle Spirogyra) and some species of Chlamydomonas |
A. A III; B II; C I
B. A I; B II; C III
C. A II; B I; C III
D. A III; B I; C II
Answer : A
46. Select the correct match of the feature present in column I with its respective terms given in column II.
A. A-i B-ii C-iii D-iv E-v
B. A-iii B-v C-ii D-iv E-i
C. A-iii B-i C-v D-ii E-iv
D. A-v B-iv C-iii D-i E-ii
Answer : B
| Column-I | Column-II |
|---|---|
| A. Presence of tap roots | (i) Bryophyte and coralloid roots |
| B. The synergids and | (ii) Pteridophytes antipodal cells degenerates after fertilization |
| C. The food is stored as | (iii) Red algae floridean starch which is very similar to amylopectin and glycogen in structure |
| D. Presence of sporophyte | (iv) Angiosperms which is not free living but attached to the photosynthetic gametophytes and derives nourishment from it |
| E. Members of this group | (v) Gymnosperms are used for medicinal purposes, as soil binders and frequently grown as ornamentals |
A. A-i B-ii C-iii D-iv E-v
B. A-iii B-v C-ii D-iv E-i
C. A-iii B-i C-v D-ii E-iv
D. A-v B-iv C-iii D-i E-ii
Answer : B
47. Which of the following pair is incorrectly matched ?
A. Chlorophyceae Major pigments are chl a ad 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.
Answer : C
A. Chlorophyceae Major pigments are chl a ad 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.
Answer : C
48. Refer the statement and answer the question. They usually reproduce vegetatively by fragmentation and asexually by non - motile spores and sexually by non - motile gametes.
Identify the group of plants and its example.
A. Mosses, Funaria
B. Red algae, Polysiphonia
C. Brown algae, Laminaria
D. Pteridophytes, Selaginella
Answer : B
Identify the group of plants and its example.
A. Mosses, Funaria
B. Red algae, Polysiphonia
C. Brown algae, Laminaria
D. Pteridophytes, Selaginella
Answer : B
49. Cytological information like chromosome number, structure, behaviour are related with
A. numerical taxonomy
B. cytotaxonomy
C. chemotaxonomy
D. all of the above
Answer : B
A. numerical taxonomy
B. cytotaxonomy
C. chemotaxonomy
D. all of the above
Answer : B
50. 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.
Answer : A
(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.
Answer : A
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