NET, IAS, State-SET (KSET, WBSET, MPSET, etc.), GATE, CUET, Olympiads etc.: Botany MCQs (Practice_Test 8 of 104)

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  1. In wheat and rice
    1. Per carp is fused with seed coat
    2. Per sperm is fused with seed coat
    3. Seed coat and per carp are separate
    4. Fruits are multisided
  2. In gymnosperms, the endosperm is
    1. Polyploidy
    2. Triploid
    3. Diploid
    4. Haploid
  3. Per sperm is present in the seeds of
    1. Black pepper
    2. Castor
    3. Pumpkin
    4. Wheat
  4. Which one of the following plant species reproduces by apomixes?
    1. Nicotiana tabacum
    2. Pavonia Zeytanica
    3. Poa pratensis
    4. Eclipta alba
  5. Match List I with List H and select the correct answer:
    Table Supporting: NET, IAS, State-SET (KSET, WBSET, MPSET, Etc.) , GATE, CUET, Olympiads Etc. : Botany MCQs (Practice_Test 8 of 104)
    List-IList-II
    1. Conjugation
    2. Nucleic acid production
    3. Transduction
    4. Transformation
    1. Replication
    2. Mutation
    3. Uptake of soluble DNA
    4. Bacteriophage transfer
    5. Cell fusion
    • A
    • B
    • C
    • D
        • 1
        • 2
        • 3
        • 4
        • 5
        • 1
        • 4
        • 3
        • 5
        • 1
        • 3
        • 4
        • 1
        • 4
        • 3
        • 2
  6. When a somatic cell acts as a spore, it is known as
    1. Delusory
    2. Apospory
    3. Polygamy
    4. Apomixis
  7. The plants raised from pollen culture are
    1. Diploid
    2. Tetraploid
    3. Haploid
    4. Polyploidy
  8. The embryo sac in higher plants represents a
    1. Mega sporangium
    2. Mega gametophyte
    3. Mega porophyte
    4. Nourishing tissue
  9. Which one of the following pairs is NOT correctly matched?
      • Match Item 1: Monothecous anther
      • Match Item 2: Hibiscus
      • Match Item 1: Diadeiphous stamens
      • Match Item 2: Citrus
      • Match Item 1: Tetradynemous stamens
      • Match Item 2: Brassica
      • Match Item 1: Pollinia
      • Match Item 2: Orchis
  10. When a short day plant (SD) and a long day plant (LD) , both kept under favorable conditions for flowering, are exposed to a short flash of red light in the middle of the dark period.
    1. Both SD and LD plants will flower
    2. Both SD and LD plants will remain vegetative
    3. SD plant will remain vegetative and LD plant will flower
    4. SD plant will flower and LD plane will remain vegetative
  11. The element known to be involved in the polarized growth of pollen tube is
    1. Potassium
    2. Magnesium
    3. Sodium
    4. Calcium
  12. Match List I with List II and select the correct answer:
    Table Supporting: NET, IAS, State-SET (KSET, WBSET, MPSET, Etc.) , GATE, CUET, Olympiads Etc. : Botany MCQs (Practice_Test 8 of 104)
    List-IList-II
    1. Triple fusion
    2. Pollination
    3. Parthenocaipy
    4. Syngamy
    1. Transference of pollen grains on the stigma
    2. Fusion of male and female gametes
    3. Seedless development of fruit
    4. Fusion of poplars and male gametes
    • A
    • B
    • C
    • D
        • 1
        • 2
        • 3
        • 4
        • 4
        • 1
        • 3
        • 2
        • 2
        • 1
        • 3
        • 4
        • 4
        • 1
        • 2
        • 3
  13. Consider the following morphological pollen types:
    1. Uninucleate
    2. Multinucleate
    3. Binucleate
    4. Triangulate
    • Which of these occur in angiosperms?
      1. 1,2 and 3
      2. 2 and 3
      3. 1,3 and 4
      4. 2,3 and 4
  14. The chemical used for treating the dormancy of seed is
    1. TTC
    2. G A
    3. I B A
    4. Methyl red
  15. Aril is present in
    1. Bitter gourd
    2. Cotton
    3. Litchi
    4. Strawberry