1.

    Which element is essential for the activation of many enzymes?

    A

    Carbohydrates

    B

    Lipids

    C

    Metal ions

    D

    Vitamins

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Mineral Nutrition
    🎯Topic:Essential Elements
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :0.5 mins
    🔄Ncert Concepts :Essential Elements, Enzymes

    Related Questions

    1.

    For its activity carboxy peptidase requires

    A

    Copper

    B

    Zinc

    C

    Iron

    D

    Niacin

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Mineral Nutrition
    🎯Topic:Essential Elements
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Enzymes, Cofactors, Biochemistry

    2.

    Which ion is actively transported into guard cells to facilitate stomatal opening, indirectly contributing to turgor maintenance in surrounding cells?

    A

    Sodium (Na+Na^+)

    B

    Potassium (K+K^+)

    C

    Calcium (Ca2+Ca^{2+})

    D

    Chloride (Cl−Cl^-)

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Mineral Nutrition
    🎯Topic:Essential Elements
    PYQ YEAR: 2018
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :turgor pressure, stomata, guard cells, ion transport, plant physiology

    3.

    Which of the following is not considered as a trace element (micronutrient) in the plant?

    A

    MoO2−2Mo{O_2}^{ - 2}

    B

    Cu+2C{u^{ + 2}}

    C

    Mn+2M{n^{ + 2}}

    D

    K+{K^ + }

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Mineral Nutrition
    🎯Topic:Essential Elements
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Plant micronutrients, Trace elements, Macronutrients

    4.

    Which of the following is/are not an essential micro nutrient?

    A

    Boron

    B

    Nickel and cadmium

    C

    Molybdenum

    D

    Zinc

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Mineral Nutrition
    🎯Topic:Essential Elements
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Micronutrients, Essential Nutrients, Plant Nutrition

    5.

    Potassium is required by which of the following regions of plants

    I. Meristematic tissues II. Buds

    III. Leaves IV. Root tips

    A

    Only I

    B

    I and IV

    C

    II and IV

    D

    All of these

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Mineral Nutrition
    🎯Topic:Essential Elements
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Plant nutrition, Potassium function, Plant anatomy

    6.

    Find out the correct combination?

    A

    PEP carboxylase - Mn2+M{n^{2 + }}

    B

    cytochrome c - oxidase – ZnZn

    C

    nitrate reductase - Mg2+{\rm{M}}{{\rm{g}}^{{\rm{2 + }}}}

    D

    Carboxylase - ZnZn

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Mineral Nutrition
    🎯Topic:Essential Elements
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Enzyme cofactors, Biochemistry, Metal ions in enzymes

    7.

    Which of the following elements plays a crucial role in maintaining turgor pressure within plant cells?

    A

    Sodium

    B

    Potassium

    C

    Calcium

    D

    Magnesium

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Mineral Nutrition
    🎯Topic:Essential Elements
    PYQ YEAR: 2018
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :turgor pressure, osmosis, plant physiology

    8.

    Manganese is required in

    A

    Nucleic acid synthesis

    B

    Plant cell wall information

    C

    Photolysis of water during photosynthesis

    D

    Chlorophyll synthesis

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Mineral Nutrition
    🎯Topic:Essential Elements
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Plant physiology, Mineral nutrition, Photosynthesis

    9.

    If the size of fruits diminishes in plants, which mineral ion should be added to soil?

    A

    Calcium

    B

    Chlorine

    C

    Copper

    D

    Boron

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Mineral Nutrition
    🎯Topic:Essential Elements
    🎓 Ncert Level:Application
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Plant nutrition, mineral deficiencies, boron

    10.

    Read the functions given below and identify the concerned nutrient

    I. Activator of catalase

    II. Important constituent of cytochrome

    III. Important constituent of proteins involved in ETS

    IV. Essential for chlorophyll synthesis

    A

    Mo

    B

    Fe

    C

    Cu

    D

    Ca

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Mineral Nutrition
    🎯Topic:Essential Elements
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Plant Nutrition, Mineral Nutrients, Enzyme Function, Photosynthesis, Electron Transport System

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