1.

    Concanavalin A is primarily derived from which source?

    A

    Castor bean

    B

    Soybean

    C

    Jack bean

    D

    Kidney bean

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Biomolecules
    🎯Topic:Amino Acids
    PYQ YEAR: 2019
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :Lectins, Plant sources of biomolecules

    Related Questions

    1.

    What is the general formula for an alpha-amino acid?

    A

    Rβˆ’CH2βˆ’COOHR-CH_2-COOH

    B

    Rβˆ’CH(NH2)βˆ’COOHR-CH(NH_2)-COOH

    C

    Rβˆ’CH2βˆ’NH2R-CH_2-NH_2

    D

    Rβˆ’COOHR-COOH

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Biomolecules
    🎯Topic:Amino Acids
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚑ Time Required :0.5 mins
    πŸ”„Ncert Concepts :Amino acids, Chemical formula

    2.

    Which of these is NOT an essential amino acid?

    A

    Valine

    B

    Leucine

    C

    Alanine

    D

    Isoleucine

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Biomolecules
    🎯Topic:Amino Acids
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚑ Time Required :0.5 mins
    πŸ”„Ncert Concepts :Amino acids, Essential amino acids

    3.

    Which amino acid is achiral?

    A

    Alanine

    B

    Valine

    C

    Glycine

    D

    Leucine

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Biomolecules
    🎯Topic:Amino Acids
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚑ Time Required :0.5 mins
    πŸ”„Ncert Concepts :Amino acids, Chirality

    4.

    At physiological pH (around 7.4), the amino group of an amino acid is typically:

    A

    Deprotonated and negatively charged

    B

    Protonated and positively charged

    C

    Deprotonated and neutral

    D

    Protonated and neutral

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Biomolecules
    🎯Topic:Amino Acids
    πŸŽ“ Ncert Level:Application
    🎯Difficulty :Medium
    ⚑ Time Required :0.75 mins
    πŸ”„Ncert Concepts :Amino acid properties, pH, Ionization

    5.

    Wax used in gramophone records is :

    A

    Paraffin wax

    B

    Bees wax

    C

    Carnauba wax

    D

    None of these

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Biomolecules
    🎯Topic:Amino Acids
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :Materials Science, Composition of Gramophone Records

    6.

    Which of the following biomolecules is synthesized using Tryptophan as a precursor?

    A

    Melanin

    B

    Serotonin

    C

    Dopamine

    D

    Adrenaline

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Biomolecules
    🎯Topic:Amino Acids
    PYQ YEAR: 2016
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :Amino Acids, Neurotransmitters, Tryptophan, Serotonin

    7.

    Which glucose transporter is primarily regulated by insulin?

    A

    GLUT1

    B

    GLUT2

    C

    GLUT3

    D

    GLUT4

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Biomolecules
    🎯Topic:Amino Acids
    PYQ YEAR: 2019
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :glucose transport, insulin, GLUT4

    8.

    Which statement about the roles of mitosis and meiosis is FALSE?

    A

    Mitosis is involved in sexual reproduction by producing gametes.

    B

    Meiosis introduces genetic variation through crossing over and independent assortment.

    C

    Mitosis is responsible for growth and repair of tissues in multicellular organisms.

    D

    Meiosis produces four haploid daughter cells from a single diploid parent cell.

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Biomolecules
    🎯Topic:Amino Acids
    PYQ YEAR: 2017
    πŸŽ“ Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :cell division, mitosis, meiosis, gametes

    9.

    An achiral amino acid

    A

    Alanine

    B

    Valine

    C

    Leucine

    D

    Glycine

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Biomolecules
    🎯Topic:Amino Acids
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :chirality, amino acids, molecular structure

    10.

    Which of the following exists as Zwitter ion?

    A

    p-aminophenol

    B

    Salicylic acid

    C

    Sulphanilic acid

    D

    Ethanolamine

    Question Tags
    πŸ“š Subject:Chemistry
    πŸ“‘ Chapter:Biomolecules
    🎯Topic:Amino Acids
    πŸŽ“ Ncert Level:Application
    🎯Difficulty :Easy
    ⚑ Time Required :2 mins
    πŸ”„Ncert Concepts :Zwitterion, Functional Groups, Acid-Base Chemistry

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