0654 B9 Coordination & Response Quiz

Jeffrey Piggott
Quiz by Jeffrey Piggott, updated more than 1 year ago
Jeffrey Piggott
Created by Jeffrey Piggott over 2 years ago
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Quiz for IGCSE Coordinated Sciences on Coordination and Response

Resource summary

Question 1

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

Question 2

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

Question 3

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

Question 4

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

Question 5

Question
What are the effects of adrenaline?
Answer
  • 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

Question 6

Question
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?
Answer
  • 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

Question 7

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

Question 8

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

Question 9

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

Question 10

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

Question 11

Question
Why do mammals sweat?
Answer
  • 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

Question 12

Question
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?
Answer
  • 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

Question 13

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

Question 14

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

Question 15

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

Question 16

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

Question 17

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

Question 18

Question
Which diagram shows a sensory neurone?
Answer
  • A
  • B
  • C
  • D

Question 19

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

Question 20

Question
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?
Answer
  • A
  • B
  • C
  • D

Question 21

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

Question 22

Question
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?
Answer
  • 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.

Question 23

Question
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?
Answer
  • A
  • B
  • C
  • D

Question 24

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

Question 25

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