LSAT - Planet Kingdom 1000+ MCQ [Solved] PDF Download
Thursday 9th of March 2023
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1. Consider the following statements regarding the major pigments and stored food in the different groups of algae and choose the correct option
(i) In chlorophyceae, the stored food material is starch and the major pigments are chlorophyll-a and d.
(ii) In phaeophyceae, laminarian is the stored food and major pigments are chlorophyll-a and b.
(iii) In rhodophyceae, floridean starch is the stored food and the major pigments are chlorophyll-a, d and phycoerythrin.
A. (i) is correct, but (ii) and (iii) are incorrect
B. (i) and (ii) are correct, but (iii) is incorrect
C. (i) and (iii) are correct, but (ii) is incorrect
D. (iii) is correct, but (i) and (ii) are incorrect
Answer : D
(i) In chlorophyceae, the stored food material is starch and the major pigments are chlorophyll-a and d.
(ii) In phaeophyceae, laminarian is the stored food and major pigments are chlorophyll-a and b.
(iii) In rhodophyceae, floridean starch is the stored food and the major pigments are chlorophyll-a, d and phycoerythrin.
A. (i) is correct, but (ii) and (iii) are incorrect
B. (i) and (ii) are correct, but (iii) is incorrect
C. (i) and (iii) are correct, but (ii) is incorrect
D. (iii) is correct, but (i) and (ii) are incorrect
Answer : D
2. If there are 4 cells in anther, what will be the number of pollen grains?
A. 8
B. 4
C. 16
D. 12
Answer : C
A. 8
B. 4
C. 16
D. 12
Answer : C
3. The heterosporous pteridophyte belonging to the class lycopsida is
A. Selaginella
B. Psilotum
C. Equisetum
D. Pteris
Answer : A
A. Selaginella
B. Psilotum
C. Equisetum
D. Pteris
Answer : A
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
Answer : D
A. 2 - 8, equal, apical
B. 2, unequal, lateral
C. 2 - 6, equal, lateral
D. Absent
Answer : D
5. 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
Answer : B
A. 14
B. 21
C. 28
D. 42
Answer : B
6. 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.
Answer : B
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.
Answer : B
7. 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
8. 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
9. Cycas and Adiantum resemble each other in having
A. seeds
B. motile sperms
C. cambium
D. vessels
Answer : B
A. seeds
B. motile sperms
C. cambium
D. vessels
Answer : B
10. 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
11. 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
12. 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
13. 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
Answer : B
(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
Answer : B
14. Which of the following class of algae is mostly found in salt water ?
A. Phaeophyceae
B. Rhodophyceae
C. Chlorophyceae
D. Both (a) and (b)
Answer : B
A. Phaeophyceae
B. Rhodophyceae
C. Chlorophyceae
D. Both (a) and (b)
Answer : B
15. In order to colonize land, plants needed to acquire which of the following characteristics?
A. A mechanism for moving water throughout the plant.
B. A mechanism to prevent desiccation of tissues.
C. An ability to screen ultraviolet radiation.
D. Both (b) and (c)
Answer : D
A. A mechanism for moving water throughout the plant.
B. A mechanism to prevent desiccation of tissues.
C. An ability to screen ultraviolet radiation.
D. Both (b) and (c)
Answer : D
16. 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
17. Match column-I with column-II and choose the correct option.
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
Answer : B
| Column-I | Column-II | /thead>
|---|---|
| A. Amphibian of the | I. Sphagnum plant kingdom |
| B. Specialized structures | II. Angiosperms in liverworts for asexual reproduction |
| C. Monocotyledons and | III. Bryophytes dicotyledons |
| D. A plant which has | IV. 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
Answer : B
18. 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
Answer : C
(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
Answer : C
19. 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
20. 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
21. Match the classes of pteridophytes given in column I with their examples given in column II and choose the correct option
A. A II; B I; C IV; D III
B. A I; B II; C IV; D III
C. A II; B I; C III; D IV
D. A II; B IV; C I; D III
Answer : A
| Column -I | Column-II |
|---|---|
| (Classes of pteridophytes) | (Examples) |
| A. Psilopsida | I. Selaginella |
| B. Lycopsida | II. Psilotum |
| C. Sphenopsida | III. Dryopteris |
| D. Pteropsida | IV. Equisetum |
A. A II; B I; C IV; D III
B. A I; B II; C IV; D III
C. A II; B I; C III; D IV
D. A II; B IV; C I; D III
Answer : A
22. 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.
Answer : A
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.
Answer : A
23. 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
24. 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 III; C IV; D I
D. A II; B IV; C III; D I
Answer : C
| Column-I | Column-II |
|---|---|
| A. Smallest flowing plant | I. Eucalyptus |
| B. Male sex organ in | II. Wolffia flowering plant |
| C. Female sex organ | III. Stamen in flowering plant |
| D. Tallest tree | IV. 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
Answer : C
25. 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
26. 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
27. 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
28. 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
29. 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
30. 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.
Answer : C
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.
Answer : C
31. Which of the following group of plant is being described by the given statements ?
(i) They are plants in which the ovules are not enclosed by any ovary wall and remain exposed before and after fertilization.
(ii) The giant red wood tree Sequoia is one of the tallest tree species of the group.
(iii) The roots are generally tap roots.
(iv) They are heterosporous and they produce haploid microspores ad megaspores.
A. Algae
B. Bryophytes
C. Gymnosperms
D. Pteridophytes
Answer : C
(i) They are plants in which the ovules are not enclosed by any ovary wall and remain exposed before and after fertilization.
(ii) The giant red wood tree Sequoia is one of the tallest tree species of the group.
(iii) The roots are generally tap roots.
(iv) They are heterosporous and they produce haploid microspores ad megaspores.
A. Algae
B. Bryophytes
C. Gymnosperms
D. Pteridophytes
Answer : C
32. 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
33. 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
34. 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.
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 show xylem vessels while those of mosses lack it.
D. Sporophytes of ferns live much longer as compared to the sporophytes of mosses.
Answer : D
35. Which of the following groups of plants play an important role in plant succession on bare rocks/soil ?
A. Algae
B. Bryophytes
C. Pteridophytes
D. Gymnosperms
Answer : B
A. Algae
B. Bryophytes
C. Pteridophytes
D. Gymnosperms
Answer : B
36. 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
37. 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
38. If you are asked to classify the various algae into distinct groups then which of the following characters you should choose for the classification ?
A. Nature of habitat
B. Structural organization of thallus
C. Chemical composition of the cell wall
D. Types of pigments present in the cell.
Answer : D
A. Nature of habitat
B. Structural organization of thallus
C. Chemical composition of the cell wall
D. Types of pigments present in the cell.
Answer : D
39. 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
40. _______ represent the reproductive organs amongst gymnosperms.
A. Prothallus
B. Capsules
C. Setae
D. Cones
Answer : D
A. Prothallus
B. Capsules
C. Setae
D. Cones
Answer : D
41. 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
42. 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
43. Protonema
A. is a stage of gametophytic generation.
B. is a creeping, green, branched and develops directly from a spore.
C. produces lateral bud which forms leafy plant body.
D. All of the above
Answer : A
A. is a stage of gametophytic generation.
B. is a creeping, green, branched and develops directly from a spore.
C. produces lateral bud which forms leafy plant body.
D. All of the above
Answer : A
44. 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
45. Match column-I with column-II and choose the correct option.
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
Answer : A
| Column-I | Column-II |
|---|---|
| A. Phaeophyceae | I. Have an elaborate mechanism of spore dispersal |
| B. Rhodophyceae | II. first terrestrial plant with vascular tissue-phloem and xylem |
| C. Mosses | III. Asexual reproduction by biflagellate zoosposes |
| D. Pteridophytes | IV. 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
Answer : A
46. Which of the following statement(s) is/are correct ?
A. In angiosperms, each embryo sac has a three-celled egg apparatus one egg cell and two synergids, three antipodal cells and two polar nuclei.
B. All seed bearing plants i.e., gymnosperms and angiosperms follow dipontic life patterns of plants.
C. In gymosperms, roots in some genera have fungal association in the form of mycorrhiza (Pinus) while in some others (Cycas) small specialized roots called coralloid are associated with N2 fixing cyanobacteria.
D. All of the above
Answer : D
A. In angiosperms, each embryo sac has a three-celled egg apparatus one egg cell and two synergids, three antipodal cells and two polar nuclei.
B. All seed bearing plants i.e., gymnosperms and angiosperms follow dipontic life patterns of plants.
C. In gymosperms, roots in some genera have fungal association in the form of mycorrhiza (Pinus) while in some others (Cycas) small specialized roots called coralloid are associated with N2 fixing cyanobacteria.
D. All of the above
Answer : D
47. 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)
Answer : B
(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)
Answer : B
(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
49. 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
50. 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
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