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Coordination and Response

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

Nervous control in humans

Subtopic

Nervous control in humans under Coordination and Response for Grade 11 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which part of the nervous system controls 'automatic' functions like heart rate and breathing?

    A.

    Sensory receptors

    B.

    The brain

    C.

    Effectors

    D.

    Skin cells

  2. 2.

    In a synapse, which neurone contains the vesicles of neurotransmitters?

    A.

    The post-synaptic neurone

    B.

    The pre-synaptic neurone

    C.

    The relay neurone only

    D.

    The sensory neurone only

  3. 3.

    What is the pathway of light through the eye to reach the retina?

    A.

    Cornea -> Pupil -> Lens -> Retina

    B.

    Lens -> Pupil -> Cornea -> Retina

    C.

    Retina -> Lens -> Pupil -> Cornea

    D.

    Pupil -> Cornea -> Lens -> Retina

Download the worksheet for Coordination and Response - Nervous control in humans to practice offline. It includes additional chapter-level practice questions.

Sense organs (The Eye)

Subtopic

Sense organs (The Eye) under Coordination and Response for Grade 11 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which component of the eye acts as the transducer, converting light energy into electrical energy?

    A.

    The Cornea

    B.

    The Lens

    C.

    The Retina

    D.

    The Iris

  2. 2.

    What describes the shape of the lens when the ciliary muscles are relaxed?

    A.

    Short and fat

    B.

    Long and thin

    C.

    Spherical

    D.

    Concave

  3. 3.

    The ability of the eye to distinguish between two points close together is called visual:

    A.

    Acuity

    B.

    Refraction

    C.

    Reflection

    D.

    Accommodation

Download the worksheet for Coordination and Response - Sense organs (The Eye) to practice offline. It includes additional chapter-level practice questions.

Hormones in humans

Subtopic

Hormones in humans under Coordination and Response for Grade 11 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which statement correctly describes the path of a hormone?

    A.

    Gland →\rightarrow Nerve →\rightarrow Muscle

    B.

    Gland →\rightarrow Blood →\rightarrow Target Organ

    C.

    Brain →\rightarrow Duct →\rightarrow Organ

    D.

    Target Organ →\rightarrow Blood →\rightarrow Gland

  2. 2.

    Which hormone is involved in controlling the menstrual cycle in females?

    A.

    Testosterone

    B.

    Estrogen

    C.

    Adrenaline

    D.

    Glucagon

  3. 3.

    What is the overall role of the endocrine system in the human body?

    A.

    To pump blood to the organs

    B.

    To provide structural support

    C.

    To coordinate and regulate body functions using chemicals

    D.

    To protect the body from pathogens

Download the worksheet for Coordination and Response - Hormones in humans to practice offline. It includes additional chapter-level practice questions.

Homeostasis

Subtopic

Homeostasis under Coordination and Response for Grade 11 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which of the following describes the relationship between glucose and glycogen?

    A.

    Glucose is a large storage molecule made of glycogen

    B.

    Glycogen is a large storage molecule made of glucose

    C.

    They are the same molecule with different names

    D.

    They are both hormones secreted by the pancreas

  2. 2.

    Which gland is responsible for the 'fight or flight' response, which can temporarily override normal homeostatic glucose levels?

    A.

    Thyroid gland

    B.

    Adrenal gland

    C.

    Salivary gland

    D.

    Pituitary gland

  3. 3.

    What is the name of the 'set point' temperature for a healthy human?

    A.

    25∘C25^{\circ}C

    B.

    32∘C32^{\circ}C

    C.

    37∘C37^{\circ}C

    D.

    42∘C42^{\circ}C

Download the worksheet for Coordination and Response - Homeostasis to practice offline. It includes additional chapter-level practice questions.

Tropic responses in plants

Subtopic

Tropic responses in plants under Coordination and Response for Grade 11 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    What happens to a shoot that is placed horizontally in the dark?

    A.

    It grows straight sideways

    B.

    It grows downwards due to gravity

    C.

    It grows upwards due to negative gravitropism

    D.

    It dies immediately

  2. 2.

    If a plant's roots are growing towards a source of water, what type of tropism is this?

    A.

    Positive phototropism

    B.

    Positive hydrotropism

    C.

    Negative gravitropism

    D.

    Negative hydrotropism

  3. 3.

    Which part of the root is most sensitive to gravity?

    A.

    The root hairs

    B.

    The root tip

    C.

    The xylem

    D.

    The epidermis

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

Coordination and Response - Grade 11 Biology (IGCSE) | Krit.club