NCERT CLASS 11 | TOPIC : PLANT KINGDOM-ALGAE | QB-2 | NEET BIOLOGY ONLINE TEST

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NCERT CLASS 11 | TOPIC : PLANT KINGDOM-ALGAE | QB-2 | NEET BIOLOGY ONLINE TEST

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It contains 62 important questions. Choose the most correct answer. Then check your answer. Try again if there are errors. Regards : kalvisolai.net

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1 ➤ 11. Chlorophyll bearing, thalloid, simply, autotropic and mainly aquatic organisms are

(a) Bryophytes (b) Protist (c) Algae (d) All of these

2 ➤ 12. Filamentous forms of algae are

(a) Ulothrix (b) Spirogyra (c) Chlamydomonas (d) Both (a) and (b)

3 ➤ 13. Volvox is a

(a) Unicellular algae (b) Filamentous algae (c) Colonial algae (d) Symbiotic algae

4 ➤ 14. The modes of reproduction found in algae are

(a) Vegetative (b) Asexual (c) Sexual (d) All of these

5 ➤ 15. Vegetative reproduction in algae is by

(a) Binary fusion (b) Fragmentation (c) Budding (d) Cyst formation

6 ➤ 16. Spore formation in algae occur during

(a) Vegetative reproduction (b) Asexual reproduction (c) Sexual reproduction (d) During germination

7 ➤ 17. Isogamy is seen in

(a) Chlamydomonas (b) Spirogyra (c) Both (a) and (b) (d) None of these

8 ➤ 18. Algae possesing both isogamy and anisogamy is

(a) Chlamydomonas (b) Volvox (c) Spirogyra (d) Fucus

9 ➤ 19. Male gamete is small and motile and female gamete is large and immotile in

(a) Fucus (b) Spirogyra (c) Ulothrix (d) All of these

10 ➤ 20. 50 per cent CO2 fixation on earth is carried out by

(a) Protist (b) Higher plants (c) Algae (d) None of these

11 ➤ 21. Marine algae used as food are

(a) Laminaria (b) Sargassum (c) Porphyra (d) All of these

12 ➤ 22. Hydrocolloids are secreted by

(a) All of the algae (b) Only brown algae (c) Only red algae (d) Both red and brown algae

13 ➤ 23. Algin is secreted by

(a) All of the algae (b) Only brown algae (c) Only red algae (d) Both red and brown algae

14 ➤ 24. Carrageen is secreted by

(a) All of the algae (b) Only brown algae (c) Only red algae (d) Both red and brown algae

15 ➤ 25. Microbes used in the preparation of ice cream and jellies are grown on the product secreted by

(a) Chlorella (b) Spirullina (c) Gelidium and gracilaria (d) All of these

16 ➤ 26. The algae rich in proteins and used as food by space travellers is

(a) Chlorella (b) Spirullina (c) Both (a) and (b) (d) Laminaria

17 ➤ 27. Agar is commercially obtained from

(a) Gelidium and gracilaria (b) Laminaria and spirulina (c) Chlorella and spirullina (d) Chlamydomonas and spirogyra

18 ➤ 28. Green algae are kept in

(a) Phaeophyceae (b) Xanthophylls (c) Xhlorophyceae (d) Rhodophyceae

19 ➤ 29. The organism which contain chlorophyll ‘a’ and ‘b’ cup-shaped chloroplast and is unicellular is

(a) Spirogyra (b) Chlamydomonas (c) Volvox (d) Ulothrix

20 ➤ 30. Dominance of chlorophyll ‘a’ and ‘b’, pyrenoids and starch as stored food are found in

(a) Members of chlorophyceae (b) Members of rhodophyceae (c) Members of phaeophyceae (d) All of these

21 ➤ 31. Chlorophyceae are grass green due to the dominance of pigment

(a) Chlorophyll a, c (b) Chlorophyll b, a (c) Chlorophyll d, c (d) All of these

22 ➤ 32. Pyrenoids are located in

(a) Cytoplasm (b) Mitochondria (c) Chloroplast (d) Nucleus

23 ➤ 33. Pyrenoids store

(a) Protein (b) Starch (c) Lipids (d) Both (a) and (b)

24 ➤ 34. Cell wall of green algae is made up of

(a) Cellulose and pectose (b) Cellulose and pectin (c) Inner layer of pectose and outer layer of cellulose (d) Inner layer of cellulose and outer layer of pectose

25 ➤ 35. Zoospores are formed during asexual reproduction of algae and formed in

(a) Sporangia (b) Zoosporangia (c) Microsporangia (d) Megasporangia

26 ➤ 36. Sexual reproduction is of isogamous, anisogamous and oogamous in

(a) Chlorophyceae (b) Rhodophyceae (c) Chlorophyceae and Phaeophyceae (d) Chlorophyceae and Rhodophyceae

27 ➤ 37. Algae which are primarily marine is

(a) Red algae (b) Brown algae (c) Green algae (d) All of these

28 ➤ 38. Filamentous brown algae is

(a) Spirogyra (b) Laminaria (c) Ectocarpus (d) Porphyra

29 ➤ 39. Green algae performs _______ oogamous type sexual reproduction

(a) Sphagnum (b) Volvox (c) Dictyota (d) Spirogyra

30 ➤ 40. Kelps represent the group of

(a) Bryophytes (b) Red algae (c) Green algae (d) Brown algae

31 ➤ 41. Kelps may reach a height up to

(a) 120 m (b) 100 m (c) 1000 m (d) 10 m

32 ➤ 42. The algae which possess chlorophyll a, c, carotenoids and xanthophylls belong to

(a) Green algae (b) Brown algae (c) Both (a) and (b) (d) None of these

33 ➤ 43. Brown algae vary in colour from _______ to various shades of _______ depending on the amount of _______ pigment and _______ present in them

(a) fucoxanthin, xanthophyll, blue, brown (b) blue, brown, fucoxanthin, xanthophyll (c) yellow, brown, fucoxanthin, xanthophyll (d) olive green, brown, fucoxanthin, xanthophyll

34 ➤ 44. Laminaria and mannitol are stored foods of

(a) Euglena (b) Green algae (c) Liverworts (d) Brown algae

35 ➤ 45. The plant body of algae is divided in holdfast, stipe and fronds in

(a) Chara (b) Laminaria (c) Porphyra (d) All of these

36 ➤ 46. The plant body attached to substratum in brown algae is by

(a) Rhizoids (b) Multicellular hair (c) Holdfast (d) Roots

37 ➤ 47. The photosynthetic leaf like organ found in some of the algae are called

(a) Sporophyll (b) Fronds (c) Leaves (d) Scaly leaves

38 ➤ 48. Zoospores of brown algae are

(a) Uniflagellate (b) Multiflagellate (c) Biflagellate (d) May be any of the above three

39 ➤ 49. The arrangement of flagella in brown algae is

(a) One and equally arranged (b) Two unequal and laterally arranged (c) Many flagella arranged anywhere on the body (d) Depends from organism to organism

40 ➤ 50. The biflagellate pear-shaped zoospores are characteristics of

(a) Red algae (b) Green algae (c) Brown algae (d) All of these

41 ➤ 51. Fertilization in brown algae occurs in

(a) Water (b) Within the oogonia (c) Both (a) and (b) (d) None of these

42 ➤ 52. Sexual reproduction shown by members of brown algae is

(a) Isogamous (b) Anisogamous (c) Oogamous (d) All of these

43 ➤ 53. Pyriform gametes means

(a) Pea-shaped gametes (b) Pear shaped gametes (c) Gametes with one flagella (d) All of these

44 ➤ 54. Dictyota belongs to

(a) Bryophytes (b) Green algae (c) Brown algae (d) None of these

45 ➤ 55. Red algae are red due to the presence of pigment

(a) Phycoerythrin (b) r-phycocyanin (c) r-phycoerythrin (d) r-phepocyamin

46 ➤ 56. Red algae are found in

(a) Cold seas (b) Seas with moderate temperature (c) Warm water (d) None of these

47 ➤ 57. Algae found in the areas where no light penetrates is

(a) Green algae (b) Dinoflagellates (c) Red algae (d) Brown algae

48 ➤ 58. Algae found in areas with abundant light as well as areas of great depths with no light is

(a) Red algae (b) Green algae (c) Blue algae (d) Brown algae

49 ➤ 59. Red algae are mostly

(a) Unicellular (b) Multicellular (c) May be multicellular and unicellular (d) None of these

50 ➤ 60. Floridean starch is stored food found in

(a) Some protist (b) Some bryophytes (c) Some algae (d) Prokaryotes

51 ➤ 61. Floridean starch is similar to

(a) Amylopectin (b) Glycogen (c) Fructose (d) Both (a) and (b)

52 ➤ 62. The spores and gametes of red algae are

(a) Motile and non-motile (b) Both are motile (c) Both non-motile (d) Motile spores and non-motile gamete

53 ➤ 63. Sexual reproduction of oogamous type is found in

(a) Red algae (b) Green algae (c) Brown algae (d) All of these

54 ➤ 64. The most reduced type of sexual reproduction is found in the members of

(a) Red algae (b) Green algae (c) Brown algae (d) All of these

55 ➤ 65. _______ reproduction is shown by the members of rhodophyceae.

(a) Oogamous (b) Isogamous (c) Anisogamous (d) All of these

56 ➤ 66. Fronds are found in which of the following algae?

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I. Laminaria II. Fucus III. Dictyota IV. Porphyra

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(a) I, II, and III (b) I and II (c) II and III (d) All of these

57 ➤ 67. Air bladders are shown by

(a) Fucus (b) Laminaria (c) Dictyota (d) All of these

58 ➤ 68. How many of the following algae belong to the category of red algae?

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Polysiphonia, Gelidium, Laminaria, Spirogyra, Porphyra, Fucus, Chlamydomonas

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(a) 2 (b) 3 (c) 4 (d) 5

59 ➤ 69. Members of phaeophyceae are

(a) Ectocarpus, dictyota, fucus and sargassum (b) Ectocarpus, dictyota, fucus and porphyra (c) Chlamydomonas, volvox, ulothrix (d) Gracilaria and gelidium

60 ➤ 70. Polysulphate esters are present in the cell wall of

(a) Ectocarpus and dictyota (b) Gelidium and gracilaria (c) Ectocarpus and sargassum (d) Spirogyra and chara

61 ➤ 71. Pear-shaped gametes are found in

(a) Ectocarpus, dictyota and fucus (b) Ulothrix, spirogyra, and ectocarpus (c) Ectocarpus, gelidium and gracilaria (d) None of these

62 ➤ 72. The complex post-fertilization events are seen in

(a) Chlorella and spirullina (b) Gracilaria and porphyra (c) Volvox and ulothrix (d) All of these

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