Plant Kingdom Multiple Choice Questions

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Plant Kingdom Multiple Choice Questions

Question 1. An example of colonial alga is—

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

Answer: 1. Volvox

Question 2. The life cycles of Ectocarpus and Fucus respectively are—

  1. Diplontic, Haplodiplontic
  2. Haplodiplontic, Diplontic
  3. Haplodiplontic, Haplontic
  4. Haplontic, Diplontic

Answer: 2. Haplodiplontic, Diplontic

Read and Learn More WBCHSE Multiple Choice Question and Answers for Class 11 Biology

Question 3. Which of the following would appear as the pioneer organisms on bare rocks?

  1. Liverwort
  2. Mosses
  3. Green algae
  4. Lichens

Answer: 4. Lichens

Question 4. In bryophytes and pteridophytes, transport of male gametes requires—

  1. Insects
  2. Birds
  3. Water
  4. Wind

Answer: 3. Water

Question 5. Select the correct statement

  1. Salvinia, Ginkgo and Pinus all are gymnosperms
  2. Sequoia is one of the tallest trees
  3. The leaves of gymnosperms are not well adapted to extremes of climate
  4. Gymnosperms are both homes prosperous and heterosporous

Answer: 2. Sequoia is one of the tallest trees

Question 6. The ovule of an angiosperm is technically equivalent to—

  1. Megasporangium
  2. Megasporophyll
  3. Megaspore mother cells
  4. Megaspore

Answer: 1. Megasporangium

Question 7. Which one of the following statements is wrong—

  1. Algae increase the level of dissolved oxygen in the immediate environment
  2. Algin is obtained from red algae and carrageenan from brown algae
  3. Agar-agar is obtained from Gelidium and gracilaria
  4. Laminaria and Sargassum are used as food

Answer: 2. Algin is obtained from red algae and carrageenan from brown algae

Question 8. Conifers are adapted to tolerate extreme environmental conditions because of

  1. Broad hardy leaves
  2. Superficial stomata
  3. Thick cuticle
  4. The presence of vessels

Answer: 3. Thick cuticle

Question 9. Which one is a wrong statement?

  1. Brown algae have chlorophyll a and c, and fucoxanthin
  2. Archegonia are found in Bryophyta, Pteridophyta and Gymnosperms
  3. Mucor has biflagellate zoospores
  4. The haploid endosperm is a typical feature of Gymnosperms

Answer: 3. Mucor has biflagellate zoospores

Question 10. An alga which can be employed as food for human beings is

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

Answer: 2. Chlorella

Question 11. Which one of the following living organisms completely lacks a cell wall?

  1. Cyanobacteria
  2. Sea-fan (Gorgonia)
  3. Saccharomyces
  4. Blue-green algae

Answer: 2. Sea-fan (Gorgonia)

Question 12. Which one of the following shows isogamy with non-flagellated gametes?

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

Answer: 4. Spirogyra

Question 13. Which one of the following is wrong about Chara?

  1. Upper oogonium and lower round antheridium
  2. Globule and nucule present on the same plant
  3. Upper antheridium and lower oogonium
  4. Globule is the male reproductive structure

Answer: 3. Upper antheridium and lower oogonium

Question 14. Which of the following is responsible for peat formation?

  1. Marchantia
  2. Riccia
  3. Funaria
  4. Sphagnum

Answer: 4. Sphagnum

Question 15. Male gametophyte with least number of cells is present in—

  1. Pteris
  2. Funaria
  3. Lilium
  4. Pinus

Answer: 3. Lilium

Question 16. Choose the wrong statement

  1. Gymnosperms lack vessels in their xylem
  2. The cell wall of collenchyma is made up of cellulose, hemicellulose and pectin
  3. The first formed primary xylem elements are called protoxylem
  4. The cell wall of parenchyma is made up of pectin
  5. Gymnosperms have albuminous cells and sieve cells in their phloem

Answer: 2. The cell wall of collenchyma is made up of cellulose, hemicellulose and pectin

Question 17. Choose the correct statement—

  1. Bryophytes can live in soil but are dependent on water for sexual reproduction
  2. The sex organs in bryophytes are unicellular
  3. In bryophyte, the main plant body is a gametophyte which is differentiated into true root, stem and leaves
  4. A common example of liverwort is Polytrichum
  5. A common example of moss is Marchantia

Answer: 1. The sex organs in bryophytes are unicellular

Question 18. Which of the following groups of algae belongs to the class Rhodophyceae?

  1. Laminaria, Fucus, Porphyra, Volvox
  2. Gelidium, Porphyra, Dictyota, Fucus
  3. Gracilaria, Gelidium, Porphyra, Polysiphonia
  4. Volvox, Spirogyra, Ulothrix, Sargassum
  5. Sargassum, Laminaria, Fucus, Dictyota

Answer: 3. Gracilaria, Gelidium, Porphyra, Polysiphonia

Question 19. Match the following and choose the correct combination from the options given.

Plant Kingdom Multiple Choice Question 19

  1. 1-3, 2-2, 3-1
  2. 1-3, 2-1, 3-2
  3. 1-2, 2-3, 3-1
  4. 1-1, 2-2, 3-3
  5. 1-1, 2-2, 3-2

Answer: 2. 1-3, 2-1, 3-2

Question 20 Which of the following are heterosporous pteridophytes?

  1. Lycopodium
  2. Selaginella
  3. Equisetum
  4. Salvinia

Answer: 4. Salvinia

Question 21. Marchantia is considered as a heterothallic plant because it is

  1. Heterogametic
  2. Bisexual
  3. Monoecious
  4. Dioecious

Answer: 4. Dioecious

Question 22. Mosses and liverworts are members of—

  1. Gametophytes
  2. Chlorophytes
  3. Bryophytes
  4. Pteridophytes

Answer: 3. Bryophytes

Question 23. The life cycle of algae such as Spirogyra is—

  1. Haplontic
  2. Diplontic
  3. Haplo-diplontic
  4. Diplo-haplontic

Answer: 1. Haplontic

Question 24. Which one of the following is the first group of vascular plants?

  1. Thallophyta
  2. Bryophyta
  3. Pteridophyta
  4. Spermatophyta

Answer: 3. Pteridophyta

Question 25. The presence of pyrenoid is a characteristic feature of class

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

Answer: 2. Chlorophyceae

Question 26. Food is stored in the form of mannitol in the class of algae—

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

Answer: 2. Phaeophyceae

Question 27. Ectocarpus shows—

  1. Haplontic life cycle
  2. Diplontic life cycle
  3. Haplo-diplontic life cycle
  4. Diplontic-haplontic life cycle

Answer: 3. Haplo-diplontic life cycle

Question 28. Elaters are absent in—

  1. Funaria
  2. Marchantia
  3. Pellia
  4. Psilotum

Answer: 1. Funaria

Question 29. Besides paddy fields, cyanobacteria are also found inside the vegetative part of—

  1. Pinus
  2. Cycas
  3. Equisetum
  4. Psilotum

Answer: 2. Cycas

Question 30. Select the wrong statement—

  1. Isogametes are similar in structure, function behaviour
  2. Anisogametes differ in structure, function behaviour
  3. In monogamous, the female gamete is smaller and motile while the male gamete is larger and non-motile
  4. Chlamydomonas exhibits both isogamy and anisogamy and Fucus shows oogamy

Answer: 3. In oogamous, the female gamete is smaller and motile while the male gamete is larger and non-motile

Question 31. Isogamous condition with non-flagellated gametes found in

  1. Chlamydomonas
  2. Spirogyra
  3. Volvox
  4. Focus

Answer: 2. Spirogyra

Question 32. Monoecious plant of Chara shows the occurrence of—

  1. Antheridiophore and archegoniophore on the same plant
  2. Stamen and Carpel on the same plant
  3. Upper antheridium and lower oogonium on the same plant
  4. Upper oogonium and lower antheridium on the same plant

Answer: 4. Upper oogonium and lower antheridium on the same plant

Question 33. Fruits are not found in gymnosperms because—

  1. They are seedless
  2. They are not pollinated
  3. They have no ovary
  4. Fertilisation does not take place

Answer: 3. They have no ovary

Question 34. Vegetative reproduction in Funaria takes place by—

  1. Primary protonema
  2. Gemmule
  3. Secondary protonema
  4. All of the above

Answer: 4. All of the above

Question 35. Alginic acid is found in the cell wall of—

  1. Gigartina
  2. Laminaria
  3. Gelidium
  4. Scytonema

Answer: 2. Laminaria

Question 36. Pinus belongs to the class—

  1. Gnetopsida
  2. Cycadopsida
  3. Coniferopsida
  4. Sphenopsida

Answer: 3. Coniferopsida

Question 37. Which one of the following is an example of chlorophyllous thallophyte?

  1. Volvariella
  2. Spirogyra
  3. Nephrolepis
  4. Gnetum

Answer: 2. Spirogyra

Question 38. Algae, which form motile colonies, is—

  1. Volvox
  2. Nostoc
  3. Spirogyra
  4. Chlamydomonas

Answer: 1. Volvox

Question 39. Non-motile, greatly thickened, asexual spore in Chlamydomonas is

  1. Carpospores
  2. Aplanospores
  3. Akinetes
  4. Hypnospores

Answer: 4. Hypnospores

Question 40. Identify the wrong combination—

  1. Dryopteris — Rhizome
  2. Cycas — Coralloid roots
  3. Volvox — Colonial form
  4. Marchantia — Pseudoelaters

Answer: 4. Marchantia — Pseudoelaters

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