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Control and Coordination

Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.

Tropic movements in plants

Subtopic

Tropic movements in plants under Control and Coordination for Grade 10 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Positive hydrotropism is observed when roots grow towards:

    A.

    Water

    B.

    Salt

    C.

    Air

    D.

    Light

  2. 2.

    Directional growth movements in plants occur in response to stimuli like light and gravity. These are called:

    A.

    Reflex actions

    B.

    Tropic movements

    C.

    Internal secretion

    D.

    Automatic responses

  3. 3.

    Most plant roots show:

    A.

    Positive phototropism

    B.

    Negative phototropism

    C.

    Negative geotropism

    D.

    Negative hydrotropism

Download the worksheet for Control and Coordination - Tropic movements in plants to practice offline. It includes additional chapter-level practice questions.

Introduction to plant hormones

Subtopic

Introduction to plant hormones under Control and Coordination for Grade 10 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    The response of plants to the stimulus of gravity is mediated by which of the following?

    A.

    Animal hormones

    B.

    Plant hormones

    C.

    Nervous impulses

    D.

    Magnetic fields

  2. 2.

    Which hormone is responsible for the elongation of cells on the side of the shoot away from the light?

    A.

    Cytokinin

    B.

    Abscisic acid

    C.

    Auxin

    D.

    Gibberellin

  3. 3.

    Which hormone would you use to keep a bouquet of flowers fresh for a longer time by delaying their aging?

    A.

    Ethylene

    B.

    Cytokinin

    C.

    Abscisic acid

    D.

    None of these

Download the worksheet for Control and Coordination - Introduction to plant hormones to practice offline. It includes additional chapter-level practice questions.

Control and coordination in animals

Subtopic

Control and coordination in animals under Control and Coordination for Grade 10 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Electrical impulses in a neuron travel from the cell body toward the:

    A.

    Dendrites

    B.

    Nucleus

    C.

    Axon

    D.

    Blood vessel

  2. 2.

    Which hormone's over-secretion during childhood can lead to gigantism?

    A.

    Thyroxine

    B.

    Insulin

    C.

    Growth hormone

    D.

    Adrenaline

  3. 3.

    The time and amount of hormone released in the body are regulated by:

    A.

    Brain control

    B.

    Feedback mechanisms

    C.

    Muscular activity

    D.

    Digestive process

Download the worksheet for Control and Coordination - Control and coordination in animals to practice offline. It includes additional chapter-level practice questions.

Nervous system

Subtopic

Nervous system under Control and Coordination for Grade 10 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    How many pairs of spinal nerves are present in humans?

    A.

    12

    B.

    31

    C.

    24

    D.

    10

  2. 2.

    Where is the reflex arc formed?

    A.

    Brain

    B.

    Spinal cord

    C.

    Muscles

    D.

    Nerves

  3. 3.

    Which of these is NOT an effector?

    A.

    Bicep muscle

    B.

    Salivary gland

    C.

    Skin receptor

    D.

    Heart muscle

Download the worksheet for Control and Coordination - Nervous system to practice offline. It includes additional chapter-level practice questions.

Voluntary, involuntary and reflex action

Subtopic

Voluntary, involuntary and reflex action under Control and Coordination for Grade 10 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which of the following is a receptor for heat or pain?

    A.

    Photoreceptor

    B.

    Thermoreceptor

    C.

    Olfactory receptor

    D.

    Gustatory receptor

  2. 2.

    The automatic and rapid response to a stimulus is specifically called:

    A.

    Voluntary response

    B.

    Thinking process

    C.

    Reflex action

    D.

    Metabolic reaction

  3. 3.

    Which part of the neuron converts the electrical signal into a chemical signal?

    A.

    Dendrite

    B.

    Cell body

    C.

    Axon terminal

    D.

    Nucleus

Download the worksheet for Control and Coordination - Voluntary, involuntary and reflex action to practice offline. It includes additional chapter-level practice questions.

Chemical coordination: animal hormones

Subtopic

Chemical coordination: animal hormones under Control and Coordination for Grade 10 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which gland serves as the link between the nervous system and the endocrine system?

    A.

    Adrenal

    B.

    Thyroid

    C.

    Hypothalamus

    D.

    Pituitary

  2. 2.

    Which of these statements about hormones is TRUE?

    A.

    They are produced in large quantities

    B.

    They act on the gland that produces them

    C.

    They are carried by the blood to target organs

    D.

    They are always liquid proteins

  3. 3.

    Which hormone is involved in the development of female secondary sexual characteristics?

    A.

    Testosterone

    B.

    Estrogen

    C.

    Thyroxine

    D.

    Glucagon

Download the worksheet for Control and Coordination - Chemical coordination: animal hormones to practice offline. It includes additional chapter-level practice questions.

Control and Coordination - Class 10 Science (CBSE) | Krit.club