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11th Standard Botany English Medium Free Online Test One Mark Questions with Answer Key 2020

11th Standard

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Botany

Time : 00:20:00 Hrs
Total Marks : 20

    Answer all the questions

    20 x 1 = 20
  1. Sum total of destructive reactions is called as ____________.

    (a)

    Metabolism

    (b)

    Catabolism

    (c)

    Embolism

    (d)

    Anabolism

  2. Asexual reproduction takes place through fragmentation___________ .

    (a)

    Spirogyra

    (b)

    Amoeba

    (c)

    Bacteria

    (d)

    Aspergillus

  3. Asexual phase in fungal reproduction is

    (a)

    Telemorph

    (b)

    Holomorph

    (c)

    Anamorph

    (d)

    Zygomorph

  4. Ruggerio et at., in 2015 proposed __________ kingdom classification.

    (a)

    5

    (b)

    6

    (c)

    7

    (d)

    8

  5. Transformation in bacteria was demonstrated by _________ .

    (a)

    Lederberg

    (b)

    Zinder

    (c)

    Edward

    (d)

    Griffith

  6. The study of Algae is called:

    (a)

    Phycology

    (b)

    Mycology

    (c)

    Bryology

    (d)

    Virology

  7. Curcuma amada, Curcuma domestica, Asparagus, Maranta are example of

    (a)

    Tuberous root

    (b)

    Beaded root

    (c)

    Moniliform root

    (d)

    Nodulose root

  8. Bulbils are seen in ____

    (a)

    Oxalis

    (b)

    Acacia

    (c)

    Citrus

    (d)

    Solanum

  9. Rhizophora has _______ root.

    (a)

    Stilt

    (b)

    Prop

    (c)

    Climbing

  10. The arrangement of veins on leaf base is _______.

    (a)

    Phyllotaxy

    (b)

    Margin

    (c)

    Venation

    (d)

    Ligule

  11. Rolling and folding of individual leaves are called as ___________.

    (a)

    Phyllode

    (b)

    Cladode

    (c)

    Ptyxis

    (d)

    Phylloclade

  12. Leaves become modified into spines in

    (a)

    Silk Cotton

    (b)

    Opuntia

    (c)

    Pea

    (d)

    Onion

  13. Non-albuminous seed is produced in 

    (a)

    Maize

    (b)

    Castor

    (c)

    Wheat

    (d)

    Pea

  14. ________________deals with the study about flowers, fruits and seeds of a plant.

    (a)

    Reproductive morphology

    (b)

    Vegetative inorphology

    (c)

    External morphology

    (d)

    Internal morphology

  15. The plants that grows on dry habitats are called_____________.

    (a)

    mesophytes

    (b)

    xerophytes

    (c)

    lithophytes

    (d)

    psammophytes

  16. Hydrilla and Vallisneria are the examples of __________________ type of aquatic plants

    (a)

    emergent

    (b)

    free floating

    (c)

    submerged

    (d)

    mangroves

  17. Wheat grain is an example of _________

    (a)

    Achene

    (b)

    Caryopsis

    (c)

    Nut

    (d)

    Follicle

  18. Poricidal type of anther dehiscence is present in

    (a)

    Cinnamomum

    (b)

    Nelumbo

    (c)

    Brinjal

    (d)

    Datura

  19. A plant used as Green manure .........

    (a)

    Lathyrus

    (b)

    Sesbania

    (c)

    Solanum nigrum

    (d)

    Gloriosa

  20. In S phase of the cell cycle

    (a)

    Amount of DNA doubles in each cell

    (b)

    Amount of DNA remains same in each cell

    (c)

    Chromosome number is increased

    (d)

    Amount of DNA is reduced to half in each cell

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