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NEET Botany MCQs: Class-XI and Class-XII



NEET Botany MCQs: Class-XI and Class-XII

Which one of the following is the most abundant protein in the animals?

[class-xi ]

  • Haemoglobin
  • Collagen
  • Lectin
  • Insulin
    • Correct Option: B  [ Collagen ]

    Remark:

Identify the substances having glycosidic bond and peptide bond, respectively in their structure:

[class-xi ]

  • Chitin, cholesterol
  • Glycerol, trypsin
  • Cellulose, lecithin
  • Inulin, insulin
    • Correct Option: D  [ Inulin, insulin ]

    Remark:

Identify the basic amino acid from the following.

[class-xi ]

  • Tyrosine
  • Glutamic Acid
  • Lysine
  • Valine
    • Correct Option: C  [ Lysine ]

    Remark:

Match the following:

(A)Inhibitor of catalytic activity (I)Ricin
(B)Possess peptide bonds (II)Malonate
(C)Cell wall material in fungi (III)Chitin
(D)Secondary metabolite (IV)Collagen
Choose the correct option from the following:

[class-xi ]

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

    Remark:

Match the following:

List-I List-II
(A)Aquaporin (I)Amide
(B)Asparagine (II)Polysaccharide
(C)Abscisic acid (III)Polypeptide
(D)Chitin (IV)Carotenoids
Select the correct option:

[class-xi ]

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

    Remark:

Attachment of spindle fibers to kinetochores of chromosomes becomes evident in:

[class-xi ]

  • Anaphase
  • Telophase
  • Prophase
  • Metaphase
    • Correct Option: D  [ Metaphase ]

    Remark:

In a mitotic cycle, the correct sequence of phases is:

[class-xi ]

  • S, G1, G2, M
  • G1, S, G2, M
  • M, G1, G2, S
  • G1, G2, S, M
    • Correct Option: B  [ G1, S, G2, M ]

    Remark:

Match the following events that occur in their respective phases of cell cycle and select the correct option:

(A)G1 phase (I)Cell grows and organelle duplication
(B)S phase (II)DNA replication and chromosome duplication
(C)G2 phase (III)Cytoplasmic growth
(D)Metaphase in M-phase (IV)Alignment of chromosomes

[class-xi ]

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

    Remark:

During Meiosis 1, in which stage synapsis takes place?

[class-xi ]

  • Pachytene
  • Zygotene
  • Diplotene
  • Leptotene
    • Correct Option: B  [ Zygotene ]

    Remark:

Identify the correct statement with regard to G1 phase (Gap 1) of interphase.

[class-xi ]

  • DNA synthesis or replication takes place.
  • Reorganisation of all cell components takes place.
  • Cell is metabolically active, grows but does not replicate its DNA.
  • Nuclear Division takes place.
    • Correct Option: C  [ Cell is metabolically active, grows but does not replicate its DNA. ]

    Remark:
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