1000+ Planet Kingdom Multiple Choice Question Answer [Solved]

1. Match the column I with column II and choose the option which shows its correct combination.

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

2. 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

3. 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

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
Answer : B

5. 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

6. Match column-I with column-II and choose the correct option.

Column-I	Column-II
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

7. 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

8. 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

9. Place the following groups of plants in order, beginning with those that first appeared on the earth and progressing toward those that appeared most recently in time.
A. Gymnosperms, angiosperms, ferns, moss, algae
B. Algae, moss, ferns, gymnosperms, angiosperms
C. Moss, algae, ferns, angiosperms, gymnosperms
D. Algae, ferns, angiosperms, gymnosperms, moss
Answer : B

10. Fern plant is a
A. haploid gametophyte
B. diploid gametophyte
C. diploid sporophyte
D. haploid sporophyte
Answer : C

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

12. Which of the following class of algae is rarely found in fresh water ?
A. Chlorophyceae
B. Phaeophyceae
C. Rhodophyceae
D. Both (a) and (b)
Answer : B

13. 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

14. Protonema and leafy stage are the predominant stage of the life cycle of
A. moss
B. dicots
C. liverwort
D. gymnosperm
Answer : A

15. 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
Answer : B

16. 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

17. Whichof 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

18. 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

19. 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

20. 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

21. Phylogenetic classification system is based on the
A. morphological characters of various organisms.
B. anatomical characters of various organisms.
C. physiological characters of various organisms.
D. evolutionary relationships between the various organisms.
Answer : D

22. Angiosperms have dominated the land flora primarily because of their
A. power of adaptability in diverse habitat.
B. property of producing large number of seeds.
C. nature of self pollination.
D. domestication of man.
Answer : A

23. Match column-I with column-II and choose the correct option.

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

24. 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

25. Read the following statements and answer the question.
(i) Sporophytic generation is represented only by the one-celled zygote.
(ii) Meiosis in the zygote results in the formation of haploid spores.
(iii) The dominant, photosynthetic phase in such plants is free-living gametophyte.
(iv) Many algae such as Volvox, Spirogyra and some species of Chlamydomonas represent this pattern.
Which of the following pattern of life cycle of plant is described by the above statements ?
A. Haplontic
B. Diplontic
C. Haplo-diplontic
D. None of these
Answer : A

26. _______ represent the reproductive organs amongst gymnosperms.
A. Prothallus
B. Capsules
C. Setae
D. Cones
Answer : D

27. 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

28. Cytological information like chromosome number, structure, behaviour are related with
A. numerical taxonomy
B. cytotaxonomy
C. chemotaxonomy
D. all of the above
Answer : B

29. The following statements are associated with one class of algae. Identify the class of algae.
(i) One or more storage bodies called pyrenoids located in the chloroplasts are present in the members of this class.
(ii) They have a rigid cell wall made of an inner layer of cellulose and an outer layer of pectose.
(iii) Asexual reproduction is by flagellated zoospores produced in zoosporangia.
(iv) Chlamydomonas, Volvox, Ulothrix, Spirogyra and Chara are commonly found members of this class.
A. Chlorophyceae
B. Rhodophyceae
C. Phaeophyceae
D. None of these
Answer : A

30. 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

31. 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

33. A bryophyte differs from pteridophytes in having
A. archegonia.
B. lack of vascular tissue.
C. swimming antherozoids.
D. independent gametophytes.
Answer : B

34. 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

35. Which of the following statement(s) is/are correct?
(i) Green algae are the members of chlorophyceae.
(ii) Brown algae are found primarily in marine habitates
(iii) Some red algae are found in fresh water, mostly occur in salt water, some are in brackish water.
(iv) The food in red algae is stosed as floridean starch.
(v) Red alga may occur in both well-lighted regions close to water-surface and also at great depths in oceans where light penetration is little.
A. (i) and (v) only
B. (ii), (iii) and (iv) only
C. All of the above
D. None of the above
Answer : C

36. 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

37. 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

38. 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

39. Bryophytes are different from fungi in having
A. land habit.
B. sterile jacket layers.
C. multiflagellate gametes.
D. gametophytic plant body.
Answer : B

40. 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

41. 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

42. 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

43. 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

44. 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

45. 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

46. Match the column-I with column-II and choose the correct option.

Column-I	Column-II
(System of classification)	(Characteristics)
A. Artificial system	I. Based on few morphological of classification characters
B. Natural system	II. Based on evolutionary of classification relationships between the various organisms
C. Phylogenetic	III. Based on natural affinities system of among the organisms and classification consider external as well as internal features.

A. A II; B I; C III
B. A I; B III; C II
C. A III; B II; C I
D. A I; B II; C III
Answer : B