0654 B9 Coordination & Response Quiz

Beschreibung

Quiz for IGCSE Coordinated Sciences on Coordination and Response
Jeffrey Piggott
Quiz von Jeffrey Piggott, aktualisiert more than 1 year ago
Jeffrey Piggott
Erstellt von Jeffrey Piggott vor fast 6 Jahre
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Zusammenfassung der Ressource

Frage 1

Frage
The diagram represents a simple reflex arc. What is the sequence of nerve cells through which an impulse passes during a reflex action?
Antworten
  • A (First) P --> Q --> R (Last)
  • B (First) Q --> R --> P (Last)
  • C (First) Q --> P --> R (Last)
  • D (First) R --> P --> Q (Last)

Frage 2

Frage
The diagram shows a neurone. Which structures could be found at X and Y?
Antworten
  • A X: brain; Y: intestine.
  • B X: brain; Y: leg.
  • C X: eye; Y: hand.
  • D X: gland; Y: spinal chord.

Frage 3

Frage
What will be the effect of strenuous exercise on the volume of water lost through the skin and the kidneys?
Antworten
  • A
  • B
  • C
  • D

Frage 4

Frage
The diagram shows a section through an eye. Which structure controls how much light enters the pupil?
Antworten
  • A
  • B
  • C
  • D

Frage 5

Frage
What are the effects of adrenaline?
Antworten
  • A Breathing Rate: decreased; Pulse Rate: decreased
  • B Breathing Rate: increased; Pulse Rate: increased
  • C Breathing Rate: increased; Pulse Rate: no effect
  • D Breathing Rate: no effect; Pulse Rate: increased

Frage 6

Frage
A person has been sitting in a room at 35 °C for 30 minutes. What would be the effect of then drinking several glasses of iced water?
Antworten
  • A Blood Temperature: falls ; Rate of Sweating: falls
  • B Blood Temperature: falls ; Rate of Sweating: rises
  • C Blood Temperature: rises ; Rate of Sweating: falls
  • D Blood Temperature: rises ; Rate of Sweating: rises

Frage 7

Frage
Which organ produces a hormone?
Antworten
  • A heart
  • B lung
  • C ovary
  • D spinal cord

Frage 8

Frage
The diagram shows the structures involved in a reflex action. What is the sequence in which impulses pass through these structures?
Antworten
  • A P → S → R → Q
  • B Q → R → S → P
  • C Q → P → R → S
  • D S → P → Q → R

Frage 9

Frage
Which part of the human eye is sensitive to light?
Antworten
  • A iris
  • B lens
  • C optic nerve
  • D retina

Frage 10

Frage
The diagram shows an experiment to investigate the response of a plant stem to gravity. What is a suitable control for this experiment?
Antworten
  • A
  • B
  • C
  • D

Frage 11

Frage
Why do mammals sweat?
Antworten
  • A to cool the body
  • B to lose water vapour through the skin surface
  • C to release energy through the oxidation of glucose
  • D to remove glucose from the blood

Frage 12

Frage
The diagram shows a section through part of the human eye. When a person looks at an object which is far away from their eye, which of the following happens?
Antworten
  • A suspensory ligaments: slacken; lens: becomes fatter
  • B suspensory ligaments: slacken; lens: becomes thinner
  • C suspensory ligaments: tighten; lens: becomes fatter
  • D suspensory ligaments: tighten; lens: becomes fatter

Frage 13

Frage
The diagram shows a capillary loop in the skin of a mammal. What will the capillary loop look like if the mammal becomes cold?
Antworten
  • A
  • B
  • C
  • D

Frage 14

Frage
The diagram shows muscles and bones in a person’s arm. What happens to the muscles as the weight is lowered?
Antworten
  • A Biceps: lengthens; Triceps: lengthens
  • B Biceps: lengthens; Triceps: shortens
  • C Biceps: shortens; Triceps: lengthens
  • D Biceps: shortens; Triceps: shortens

Frage 15

Frage
The diagram shows the density of rods and cones across a horizontal section of the retina. What is the position of the optic nerve?
Antworten
  • A
  • B
  • C
  • D

Frage 16

Frage
What are the effects of insulin and glucagon on the concentration of blood glucose?
Antworten
  • A
  • B
  • C
  • D

Frage 17

Frage
How does the skin react when the body becomes very warm?
Antworten
  • A
  • B
  • C
  • D

Frage 18

Frage
Which diagram shows a sensory neurone?
Antworten
  • A
  • B
  • C
  • D

Frage 19

Frage
The diagram shows the muscles that control the size of the pupil in an eye. How do the muscles make the pupil smaller?
Antworten
  • A
  • B
  • C
  • D

Frage 20

Frage
What would be the effects of vasodilation and sweating on the body temperature and on the amount of moisture on the surface of the skin?
Antworten
  • A
  • B
  • C
  • D

Frage 21

Frage
What would be the pupil size and lens shape of a person reading a mobile phone text message in a brightly-lit room?
Antworten
  • A
  • B
  • C
  • D

Frage 22

Frage
The table shows a student’s water losses on a cool day. On a hot day the student’s water intake was the same as on the cool day. On the hot day, which water losses would increase and which would decrease?
Antworten
  • A increase: in sweat; decrease: in expired air.
  • B increase: in sweat; decrease: in urine.
  • C increase: in urine; decrease: in faeces .
  • D increase: in urine; decrease: in sweat.

Frage 23

Frage
After a meal containing carbohydrates, which row shows the changes in concentration of glucose and urea in the blood as it passes through the liver?
Antworten
  • A
  • B
  • C
  • D

Frage 24

Frage
Which response is a result of geotropism?
Antworten
  • A flowers being produced
  • B growing bigger leaves
  • C roots growing downwards
  • D seeds germinating

Frage 25

Frage
Which target organ releases glucose into the blood-stream as a result of the action of adrenaline?
Antworten
  • A adrenal gland
  • B kidney
  • C liver
  • D pancreas
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