Competitive Exams: Botany MCQs (Practice-Test 74 of 104)

  1. Archesporium in pellia and Anthoceros develops from

    1. Endothecium and amphithecium respectively

    2. Ampithecium and endothecium respectively

    3. endothecium

    4. Amphithecium

  2. Match List I with List II and select the correct answer

    List-I List-II
    1. Aborescent lycopod

    2. Largest flower

    3. Largest ovule

    4. Tallest tree

    1. Rafflesia

    2. Lepidodendron

    3. Cycas

    4. Sequoia

    • A
    • B
    • C
    • D
      • 1
      • 2
      • 4
      • 3
      • 1
      • 2
      • 3
      • 4
      • 2
      • 1
      • 4
      • 3
      • 2
      • 1
      • 3
      • 4
  3. Which one of the following organism may respire in the absence of oxygen?

    1. Azotobacter

    2. Clostridium

    3. Rhizobium

    4. Lactobacillus

  4. The position of flagella in the members of brown algae is

    1. Apical

    2. Sub-apical

    3. Basal

    4. Lateral

  5. Cephaleuros, a parasite on tea plants belongs to

    1. Algae

    2. Fungi

    3. Bacteria

    4. Viruses

  6. Which one of the following nitrogen fixing root nodule symbiotic is associated with the trees of Alnus and Casuarinas?

    1. Rhizobium

    2. Nostoc

    3. Anabaena

    4. Frankia

  7. Which one of the following is popularly known as ‘maidenhair tree’

    1. Adiantum

    2. Ginkgo

    3. Cyathea

    4. Gentum

  8. Which one of the following plants was first known to science in fossil state, but was later discovered in living state as well?

    1. Zamia

    2. Araucaria

    3. Sequoiadendraon

    4. Met sequoia

  9. The fossil, pentoxylon was discovered in

    1. Srinagar, Kashmir

    2. Rajmahal, Bihar

    3. Shimla, Himachal Pradesh

    4. Golconda, Andra Pradesh

  10. Pneumatophores are characteristic of

    1. Submerged plants

    2. Parasitic plants

    3. Mangroves

    4. Alpine plants

  11. Subunits comprising the protein coat of a virus are called

    1. Capsomers

    2. Capsids

    3. Viroids

    4. Prions

  12. Which of the following are true of archaeobacteria?

    1. Presence of peptiloglycan cell wall.

    2. Extreme halophytes

    3. Extreme themophyles.

    4. Methadone's

    Select the correct answer using the codes given below:

    1. 1, 2 and 3

    2. 2, 3 and 4

    3. 1, 3 and 4

    4. 1, 2 and 4

  13. Reindeer moss and Iceland moss found in the extremely cold climates belong to

    1. Bryophytes

    2. Pteridophytes

    3. Algae

    4. Lichens

  14. Match List I with List II and select the correct answer.

    List-I List-II
    1. Spike

    2. Sporocarp

    3. Synergism

    4. Sporangiophore

    1. Psilotum

    2. Equisetum

    3. Mars ilea

    4. Ophioglossum

    • A
    • B
    • C
    • D
      • 4
      • 3
      • 2
      • 1
      • 4
      • 3
      • 1
      • 2
      • 3
      • 4
      • 1
      • 2
      • 3
      • 4
      • 2
      • 1
  15. In which one of the following genera does the dispersal of seeds occur due to the build up of turgor pressure inside the fruit?

    1. Momordica

    2. Calotropis

    3. Salmalia

    4. Ecballium