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NEET Botany MCQs: Class-XI and Class-XII



NEET Botany MCQs: Class-XI and Class-XII

Given below are two statements:

Statement I: Parenchyma is living but collenchyma is dead tissue.

Statement II: Gymnosperms lack xylem vessels but presence of xylem vessels is the characteristic of angiosperms.

In the light of the above statements, choose the correct answer from the options given below:

[class-xi ]

  • Both Statement I and Statement II are false
  • Both Statement I and Statement II are true
  • Statement I is false but Statement II is true
  • Statement I is true but Statement II is false
    • Correct Option: C  [ Statement I is false but Statement II is true ]

    Remark: Explanation: NCERT Page No.87,(Topic-6.1.2.2 Complex Tissues)

List of endangered species was released by:

[class-xii ]

  • WWF
  • GEAC
  • IUCN
  • FOAM
    • Correct Option: C  [ IUCN ]

    Remark: Explanation: NCERT Page No.263,(Topic-15.1.4 Loss of Biodiversity)

The DNA present in chloroplast is:

[class-xi ]

  • Circular, double stranded
  • Linear, double stranded
  • Circular, single stranded
  • Linear, single stranded
    • Correct Option: A  [ Circular, double stranded ]

    Remark: Explanation: NCERT Page No.136,(Topic-8.5.5 Plastids)

Which of the following are fused in somatic hybridization involving two varieties of plants?

[class-xii ]

  • Somatic embryos
  • Callus
  • Pollens
  • Protoplasts
    • Correct Option: D  [ Protoplasts ]

    Remark: Explanation: NCERT Page No.178,(Topic-10.1 BIOTECHNOLOGICAL APPLICATIONS IN AGRICULTURE)

Spraying sugarcane crop with which of the following plant growth regulators, increases the length of stem, thus, increasing the yield?

[class-xi ]

  • Gibberellin
  • Auxin
  • Abscisic acid
  • Cytokinin
    • Correct Option: A  [ Gibberellin ]

    Remark: Explanation: NCERT Page No.176, (Topic-13.4.3.2 13.4.3.2 Gibberellins)

Match List I with List II:

List-I List-II
A. Frederick Griffith I. Genetic code
B. Francois Jacob & Jacque Monod II. Semi-conservative mode of DNA replication
C. Har Gobind Khorana III. Transformation
D. Meselson & Stahl IV. Lac operon
Choose the correct answer form the options given below:

[class-xii ]

  • A-II, B-III, C-IV, D-I
  • A-IV, B-I, C-II, D-III
  • A-III, B-II, C-I, D-IV
  • A-III, B-IV, C-I, D-II
    • Correct Option: D  [ A-III, B-IV, C-I, D-II ]

    Remark: Explanation: NCERT Page No.84, (Topic-5.2 THE SEARCH FOR GENETIC MATERIAL)
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