NEET Biology Multiple Choice Questions – Plant kingdom

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NEET Biology Plant kingdom  Multiple Choice Questions

Question 1. Agar-agar is a complex carbohydrate. This is used widely for microbiological purposes. It is produced from:

  1. Angiosperm
  2. Red algae
  3. Bacteria
  4. Lichens.

Answer: 2. Red algae

Quanta 2. A filament of an alga can be differentiated from that of a fungus by :

  1. Cells are uninucleate in algae whereas they are multinucleate in fungi
  2. Chlorophyll is present in fungi and absent in algae
  3. The presence of cellulose cell walls and chlorophyllous cells in algae and chitinous cell walls and non-chlorophyllous cells in fungi
  4. The algae are green and the fungi are non-green.

Answer: 3. The presence of cellulose cell walls and chlorophyllous cells in algae and chitinous cell walls and non-chlorophyllous cells in fungi

Question 3. Classification of algae is based on :

  1. Method of sexual reproduction
  2. Differences in their habits
  3. Distribution of photosynthetic pigments
  4. Their occurrence in nature.

Answer: 3. Distribution of photosynthetic pigments

Question 4. A unicellular free green alga is :

  1. Chlamydomonas
  2. Pandorina
  3. Eudorina
  4. Nostoc.

Answer: 1. Chlamydomonas

Question 5. The chlamydomonas is :

  1. Pear-shaped, unicellular and haploid
  2. Oblong-shaped, multicellular and haploid
  3. Reniform-shaped, unicellular and haploid
  4. None of them.

Answer: 1. Pear-shaped, unicellular and haploid

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Question 6. The green colouring pigment structure present in Chlamydomonas is :

  1. Double pear-shaped chloroplast
  2. Chloroplasts are pear-shaped, triple in number
  3. Single cup-shaped chloroplast
  4. None of the above.

Answer: 3. Single cup-shaped chloroplast

Plant Kingdom MCQs For NEET

Question 7. Chlamydomonas reproduces asexually under favourable conditions by :

  1. Zoospore formation
  2. Spore formation
  3. Gametes formation
  4. Sex cell formation.

Answer: 1. Zoospore formation

Question 8. Which statement is true?

  1. Spores and gametes are invariably diploids
  2. Spores and gametes are invariably haploids
  3. Only gametes are invariably haploids
  4. Only spores are invariably haploids.

Answer: 2. Spores and gametes are invariably haploids

Question 9. When 3 spirogyra filaments are participating in conjugation, the possibilities are that:

  1. The middle one may be female and the outer ones are male
  2. The middle one may be male and the outer ones are female in which zygospores are formed
  3. Both 1 and 2
  4. Neither 1 or 2.

Answer: 3. Both 1 and 2

Question 10. The zygospore of spirogyra at the time of germination divides into four nuclei. How many nuclei degenerate out of the four:

  1. One
  2. Two
  3. Three
  4. Four.

Answer: 3. Three

Question 11. In the haplontic life cycle of algae, meiotic division takes place during :

  1. Gamete formation
  2. Spore formation
  3. Zygote germination
  4. Spore germination.

Answer: 3. Zygote germination

Plant Kingdom MCQs For NEET

Question 12. Nutrition in chlamydomonas is:

  1. Heterotrophic
  2. Parasitic
  3. Autotrophic
  4. Saprophytic.

Answer: 3. Autotrophic

Question 13. Chlamydomonas plant is:

  1. Biflagellate
  2. Aflagellate
  3. Quadriflagellate
  4. Uniflagellate.

Answer: 1. Biflagellate

Question 14. The resultant of gametic fusion in Chlamydomonas is :

  1. Zoospore
  2. Zygospore
  3. A zygospore
  4. Aplanospore.

Answer: 2. Zygospore

Question 15. In isogamous sexual reproduction of Chlamydomonas :

  1. Similar gametes fuse
  2. Dissimilar gametes fuse
  3. Sperm and an egg fuse
  4. Micro-gametes and macro-gametes fuse.

Answer: 1. Similar gametes fuse

Question 16. Oogamous sexual reproduction in Chlamydomonas occurs in:

  1. Chlamydomonas braunii
  2. Chlamydomonas coccifera
  3. Chlamydomonas monoica
  4. Chlamydomonas suboogama.

Answer: 2. Chlamydomonas coccifera

Plant Kingdom MCQs For NEET

Question 17. Chlamydomonas perennates employing:

  1. Meiospores
  2. Zoospores
  3. Hypnospores
  4. None of the above.

Answer: 3. Hypnospores

Question 18. Red-eye spot containing haematochrome is meant for :

  1. Photosynthesis
  2. Respiration
  3. Photoreception
  4. Movements.

Answer: 3. Photoreception

Question 19. Chlamydomonas belongs to

  1. Myxophyceae
  2. Phaeophyceae
  3. Chlorophyceae
  4. Rhodophyceae.

Answer: 3. Chlorophyceae

Question 20. The cell walls of diatoms are rich in :

  1. Calcium
  2. Lignin
  3. Silica
  4. Carbonate.

Answer: 3. Silica

Question 21. Pyrenoid is meant for:

  1. Storage of protein
  2. Storage of starch
  3. Photosynthesis
  4. None of the above.

Answer: 2. Storage of starch

Question 22. Ulothrlx can be described as a :

  1. Filamentous alga with flagellated reproductive stages
  2. Non-motile colonial alga lacking zoospores
  3. Filamentous alga lacking flagellated reproductive
  4. Stages. (Pre-medical/dental 1998)

Answer: 1. Filamentous alga with flagellated reproductive stages

Question 23. Zygospore is:

  1. Haploid
  2. Polyploid
  3. Diploid
  4. None of the above.

Answer: 3. Diploid

Question 24. Palmella stage is produced :

  1. In rainy season
  2. During unfavourable conditions
  3. During favourable conditions
  4. None of the above.

Answer: 2. During unfavourable conditions

NEET MCQs On Plant Kingdom

Question 25. Flagellar movements are controlled by :

  1. Photosynthesis
  2. Contractile vacuoles
  3. Neuromotor apparatus
  4. Pyrenoids.

Answer: 3. Neuromotor apparatus

Question 26. Azygospores are produced by :

  1. Isogamy
  2. Anisogamy
  3. Parthenogenesis
  4. None of the above.

Answer: 3. Parthenogenesis

Question 27. Flagellated gametes are absent in :

  1. Ectocarpus
  2. Chara
  3. Spirogyra
  4. Ulothrix.

Answer: 3. Spirogyra

Question 28. In physiological anisogamy :

  1. Gametes are morphologically similar but physiologically dissimilar
  2. Gametes are morphologically similar
  3. Gametes are unequal
  4. None of the above.

Answer: 1. Gametes are morphologically similar but physiologically dissimilar

Question 29. Sexual reproduction takes place :

  1. During- favourable conditions
  2. At the end of growing season
  3. In winter
  4. When conditions are dry.

Answer: 2. At the end of the growing season

Question 30. Mark the one that is out of place :

  1. Hypnospore
  2. Aplanospore
  3. Oospore
  4. Akinete.

Answer: 3. Oospore

NEET MCQs On Plant Kingdom

Question 31. Thin-walled non-motile spore is known as:

  1. Zoospore
  2. Aplanospore
  3. Zygospore
  4. Hypnospore.

Answer: 2. Aplanospore

Question 32. Fusion of mature individuals which directly act as gametes is called :

  1. Isogamy
  2. Anisogamy
  3. Hologamy
  4. Autogamy.

Answer: 3. Hologamy

Question 33. A motile flagellated asexual cell is called :

  1. Sperm
  2. Zoospore
  3. Oospore
  4. Androspore.

Answer: 2. Zoospore

Question 34. A hypnospore is called so because it has :

  1. Thick wall
  2. Thin wall
  3. No cell wall
  4. None of the above.

Answer: 2. Thin wall

Question 35. Scalariform conjugation takes place in :

  1. Chlamydomonas
  2. Ulothrix
  3. Spirogyra
  4. None of the above.

Answer: 3. Spirogyra

Question 36. The unique characteristics of spirogyra vegetative cells are:

  1. The cell wall is definite and thick
  2. The cell wall is hygroscopic
  3. Pyrenoid bodies are present
  4. The nucleus has cytoplasmic strands.

Answer: 4. Nucleus is having cytoplasmic strands.

NEET MCQs On Plant Kingdom

NEET Biology MCQ Plant Kingdom Question 37. Groups of spirogyra in a pond or lake are supported by bubbles of gas. The gas is :

  1. 02
  2. N2
  3. C02
  4. Air.

Answer: 1. 02

Question 38. Spirogyra differs from protonema in :

  1. Discoid chloroplast
  2. Spiral chloroplast with pyrenoids
  3. Branched rhizoids
  4. Filaments are branched.

Answer: 2. Spiral chloroplast with pyrenoids

Question 39. Algae containing oil as reserve food belongs to :

  1. Chlorophyceae
  2. Phaeophyceae
  3. Rhodophyceae
  4. Xanthophyceae.

Answer: 4. Xanthophyceae.

Question 40. Palmella stage of Chlamydomonas is helpful in:

  1. Protecting the algae against desiccation
  2. Bringing about gametic union
  3. Vegetative reproduction
  4. Production of zoospore.

Answer: 1. Protecting the algae against desiccation

Question 41. Chlamydomonas monoica and c. Longistigma exhibit:

  1. Isogamy
  2. Anisogamy
  3. Oogamy
  4. All the above.

Answer: 1. Isogamy

Question 42. In spirogyra :

  1. The filaments showing scalariform conjugation are homothallic
  2. The filaments showing lateral conjugation are homothallic
  3. The filaments showing lateral conjugation are heterothallic
  4. Asexual reproduction occurs by zoospores.

Answer: 2. The filaments showing lateral conjugation are homothallic

NEET Important Questions On Plant Kingdom

Question 43. In spirogyra meiosis occurs at the time of:

  1. Gamete formation
  2. Vegetative reproduction
  3. Zygospore germination
  4. Conjugation.

Answer: 3. Zygospore germination

Question 44. Spirogyra reproduces sexually by :

  1. Conjugation
  2. Isogamy
  3. Anisogamy
  4. Oogamy.

Answer: 1. Conjugation

Question 45. Algae perennate by :

  1. Hypnospore
  2. Palmella stage
  3. Akinetes
  4. All the above.

Answer: 4. All the above.

Question 46. Lateral conjugation involves :

  1. Only one filament
  2. Two filaments
  3. Many filaments
  4. None of the above.

Answer: 1. Only one filament

Question 47. The filament of spirogyra is :

  1. A colony of cells
  2. A branched series of cells placed one upon the other
  3. An unbranched series of cells placed one above the other
  4. A tube-like structure without septa.

Answer: 3. Unbranched series of cells placed one above the other

NEET Important Questions On Plant Kingdom

Question 48. The zygote containing 4 teliospores in lothario is called:

  1. Akinete
  2. Pmthenospore
  3. Incipient sporophyte
  4. Chlamydospore.

Answer: 3. Incipient sporophyte

Question 49. The mingling of protoplasm without nuclear fusion is called :

  1. Karyogamy
  2. Syngamy
  3. Isogamy
  4. Plasmogamy.

Answer: 4. Plasmogamy.

Question 50. Flagellated stages occur in :

  1. Spirogyra
  2. Yeast
  3. Ulothrix
  4. Sunflower.

Answer: 3. Ulothrix

Question 51. Algae differ from bryophytes in possessing:

  1. Naked sex organs
  2. Sex organs covered with a sterile covering
  3. Chlorophylls a and b
  4. Aerobic respiration.

Answer: 1. Naked sex organs

Question 52. In Spiro Gyro, there are:

  1. Many pyrenoids
  2. One pyrenoid
  3. Three pyrenoids
  4. No pyrenoid.

Answer: 1. Many pyrenoids

Classification Of Plant Kingdom MCQs

Question 53. As a result of reduction division, spirogyra forms :

  1. 4 Nuclei
  2. 4 Zoospores
  3. 4 Celled filaments
  4. 4 Haploid protoplasts.

Answer: 1. 4 Nuclei

Plant Kingdom NEET Question 54. Asexual reproduction in spirogyra :

  1. Has not been recorded
  2. Takes place through the formation of zoospores
  3. This takes place through the formation of aplanospores
  4. Takes place by the formation of hypnospores.

Answer: 3. Takes place by formation of aplanospores

Question 55. Vegetative reproduction in spirogyra takes place by :

  1. Budding
  2. Parthenogenesis
  3. Fragmentation
  4. Hormogonia.

Answer: 3. Fragmentation

Question 56. Maximum number of chloroplasts recorded in spirogyra is :

  1. 06
  2. 12
  3. 20
  4. 16.

Answer: 4. 16

Question 57. The cell wall of spirogyra is composed of two layers which are made of:

  1. Cellulose only
  2. Pectin only
  3. Cellulose and pectin
  4. Cellulose and chitin.

Answer: 3. Cellulose and pectin

Question 58. Spirogyra is named pond scum or pond silk or water silk because :

  1. The filament is made up of silk
  2. Filament secretes silk
  3. The cellulose layer is mucilaginous
  4. The pectose layer is mucilaginous.

Answer: 4. Cellulose layer is mucilaginous

Classification Of Plant Kingdom MCQs

Question 59. Spirogyra occurs in :

  1. Running salt water
  2. Running fresh water
  3. Stagnant salt water
  4. Stagnant fresh water.

Answer: 4. Stagnant fresh water.

Question 60. Direct lateral conjugation is found in :

  1. Spirogyra aplanospora
  2. Spirogyra genesis
  3. Spirogyra data
  4. None of the above.

Answer: 2. Spirogyra genesis

Question 61. Physiological anisogamous sexual reproduction is found in :

  1. Funaria
  2. Selaginella
  3. Pinus
  4. Spirogyra.

Answer: 4. Spirogyra.

Question 62. Nostoc is characteristic in having :

  1. Non- cellulosic cell wall
  2. Uni- flagellated zoospore
  3. Chlorophyll v
  4. Sexual reproduction.

Answer: 1. Non- cellulosic cell wall

Bryophytes, Pteridophytes, Gymnosperms & Angiosperms MCQs

Question 63. Zygotic meiosis takes place in:

  1. Selaginella
  2. Spirogyra
  3. Pinus
  4. Brassica.

Answer: 2. Spirogyra

Question 64. Oil is the reserve food in:

  1. Chlamydomonas (Chlorophyceae)
  2. Vaucheria (Xanthophyceae)
  3. Nostoc (Myxophyceae)
  4. Sargassum (phaeophyceae).

Answer: 2. Vaucheria (Xanthophyceae)

Question 65. All algae have two pigments, they are :

  1. Chlorophyll a and carotenes
  2. Chlorophyll b and carotenes
  3. Chlorophyll a and chlorophyll b
  4. Phycobilins and carotene.

Answer: 1. Chlorophyll a and carotenes

Question 66. Which of the following produces gametes that show amoeboid movement?

  1. Ulothrix
  2. Cladophora
  3. Spirogyra
  4. Chlamydomonas.

Answer: 3. Spirogyra

Question 67. Two fusing gametes in spirogyra are :

  1. Morphologically similar
  2. Morphologically dissimilar
  3. Morphologically similar but physiologically dissimilar
  4. Morphologically and physiologically dissimilar.

Answer: 3. Morphologically similar but physiologically dissimilar

Bryophytes, Pteridophytes, Gymnosperms & Angiosperms MCQs

Question 68. Thermal algae are those which grow :

  1. In deserts where the temperature is around 70°c
  2. In hot water springs where the temperature is around 70°c
  3. On rocks exposed to high temperature
  4. In tropical regions of the world.

Answer: 2. In hot water springs where the temperature is around 70°c

Question 69. Spirogyra differs from rhizopus in having :

  1. Uninucleate gametangia
  2. Multicellular gametes
  3. Anisogametes
  4. Sexual reproduction.

Answer: 1. Uninucleate gametangia

Question 70. The green wavelength of sunlight is absorbed by :

  1. Phycoerythrin
  2. Carotenoids
  3. Chlorophyll
  4. Phycocyanin.

Answer: 1. Phycoerythrin

Question 71. Contraction of protoplast in spirogyra takes place :

  1. Just before the formation of zoospores
  2. Before the formation of gametes
  3. Before the fusion of gametes
  4. During the germination of zygospores.

Answer: 2. Before the formation of gametes

Question 72. Meiosis in Chlamydomonas occurs in:

  1. Zygospore
  2. Zoospore
  3. Aplanospore
  4. Hypnospore.

Answer: 1. Zygospore

Bryophytes, Pteridophytes, Gymnosperms & Angiosperms MCQs

Question 73. Which of the following is composed of unbranched filaments?

  1. Volvox
  2. Ulothrix
  3. Spirogyra
  4. Both 2 and 3.

Answer: 4. Both 2 and 3.

Question 74. Which of the following is a motile flagellate asexual spore?

  1. Zoospore
  2. Zygospore
  3. Zygote
  4. Aplanospore.

Answer: 1. Zoospore

Question 75. Storage products in Rhodophyta are:

  1. Cellulose
  2. Starch and oil
  3. Glycogen
  4. Floridian starch.

Answer: 4. Floridean starch.

Question 76. Red rust of tea is caused by :

  1. Cephaleuros
  2. Cystopus
  3. Rhizopus
  4. Bacteria.

Answer: 1. Cephaleuros

Question 77. Brown algae is characterised by the presence of:

  1. Phycocyanin
  2. Phycoerythrin
  3. Fucoxanthin
  4. Haematochrome.

Answer: 3. Fucoxanthin

Question 78. Which one is saponaceous:

  1. Chlamydomonas
  2. Spirogyra
  3. Acetabularia
  4. Ulothrix.

Answer: 3. Acetabularia

Bryophytes, Pteridophytes, Gymnosperms & Angiosperms MCQs

Question 79. The structure by which clathrin is attached to the substratum:

  1. Rhizoid
  2. Holdfast
  3. Root
  4. Trichome.

Answer: 2. Holdfast

Question 80. Agar, a nitrogenous jelly is prepared from :

  1. Gelidium and gracilaria.
  2. Spirogyra and ulothrix
  3. Macrocystis
  4. Macrocystis and laminaria.

Answer: 1. Gelidium and gracilaria.

Question 81. Ulothrix filaments produce :

  1. Isogametes
  2. Anisogametes
  3. Heterogametes
  4. Basidiospores.

Answer: 1. Isogametes

Question 82. Pyrenoids are made up of:

  1. The core of starch is surrounded by a sheath of protein
  2. The core of protein is surrounded by a fatty sheath
  3. Proteinaceous centre and starchy sheath
  4. The core of nucleic acid is surrounded by a protein

Answer: 3. Proteinaceous centre and starchy sheath

Question 83. Umbrella plant is :

  1. Melia azedarach
  2. Panicum decomposition
  3. Acetabularia
  4. Acacia oswaldii.

Answer: 3. Acetabularia

Question 84. An alga very rich in proteins is :

  1. Spirogyra
  2. Ulothrix
  3. Oscillatoria
  4. Chlorella.

Answer: 4. Chlorella.

Question 85. Which alga occurs in still fresh water?

  1. Spirogyra
  2. Laminaria
  3. Sargassum
  4. Polysiphonia.

Answer: 1. Spirogyra

Question 86. Motile coenobium occurs in :

  1. Ulva
  2. Palmella
  3. Volvox
  4. Hydrodictyon.

Answer: 3. Palmella

Question 87. Palmella stage of clathrin/Chlamydomonas is formed in response to:

  1. Unfavourable environment
  2. Toxic chemical
  3. Water deficiency
  4. All the above.

Answer: 4. All the above.

Question 88. Pigment present in hypnospores/zygospores of chlamydomonas is :

  1. Haematochrome
  2. A-carotene
  3. Fucoxanthin
  4. Anthocyanin.

Answer: 1. Haematochrome

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