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Grade 10 Coordinated Science Quiz

Description

Hormones, Nervous System, Power and the eye on IGCSE level
Imani :D
Quiz by Imani :D, updated more than 1 year ago
Imani :D
Created by Imani :D almost 9 years ago
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Resource summary

Question 1

Question
In which order does the signal for the reflex arc travel?
Answer
  • RELAY NEURONE to SPINAL CORD to SENSORY NEURONE
  • SENSORY NEURONE to SPINAL CORD to MOTOR NEURONE
  • SPINAL CORD to SENSORY NEURONE to STIMULUS
  • STIMULUS to MOTOR NEURONE to SPINAL CORD

Question 2

Question
In the lighting circuit in a house, how are lamps usually connected, and what is one reason for this?
Answer
  • PARALLEL - to allow every lamp to have the full voltage supply
  • PARALLEL - to share out the voltage equally between the lamps
  • SERIES - to allow every lamp to have the full voltage supply
  • SERIES - to share out the voltage equally between the lamps

Question 3

Question
When the voltage of the supply is reduced, the voltage across the resistor decreases
Answer
  • True
  • False

Question 4

Question
What factors can effect the resistance of a piece of wire?
Answer
  • temperature of the wire
  • material of the wire
  • thickness of the wire
  • length of the wire
  • where the wire is located

Question 5

Question
When the eye is focusing on a nearby object:- Structure 6 ([blank_start]the suspensory ligaments[blank_end]) will [blank_start]relax[blank_end], allowing for more light to [blank_start]be refracted[blank_end] into the eye. Then structure 8 ([blank_start]The cilliary muscles[blank_end]) [blank_start]contract[blank_end]
Image:
b100bfa7-91ce-436e-b63f-4c752dd113ec (image/jpeg)
Answer
  • the suspensory ligaments
  • the optic nerve
  • the retina
  • the iris
  • the cilliary muscles
  • relax
  • be refracted
  • not be enetered
  • enter
  • The cilliary muscles
  • the pupil
  • the cornea
  • the lens
  • contract

Question 6

Question
The change in blood glucose concentration can be detected by organ A. If it releases hormone B into the blood, hormone B will convert glucose to glycogen and the concentration of glucose in the blood will decrease. If it releases hormone C into the blood, hormone C will stimulate organ D to convert glycogen to glucose and the blood glucose concentration will increase. NAME ORGAN A AND HORMONES B AND C
Answer
  • Organ A - PANCREAS Hormone B - GLYCOGEN Hormone C - INSULIN
  • Organ A - PANCREAS Hormone B - INSULIN Hormone C - GLYCOGEN
  • Organ A - LIVER Hormone B - GLYCOGEN Hormone C - INSULIN
  • Organ A - LIVER Hormone B - INSULIN Hormone C - GLYCOGEN

Question 7

Question
Why is glucose converted to glycogen rather than just kept as glucose in the cells
Answer
  • glycogen takes up less space and can therefore be stored more easily
  • glycogen is easier to digest and can therefore speed up digestion
  • glycogen is insoluble and is therefore not in danger of osmosis
  • glucose is bad for the human body and must therefore always be converted into glycogen

Question 8

Question
LABEL THE NEURONES IN THE REFLEX ARC DIAGRAM
Image:
420bc81b-78b8-40cb-a655-8983b2bb93d9.gif (image/gif)
Answer
  • sensory neurone
  • relay neurone
  • motor neurone

Question 9

Question
What is the receptor of pressure and temperature detected in the environment?
Answer
  • Toungue
  • Skin
  • Eye
  • Nose
  • Ear

Question 10

Question
LABEL THE EYE DIAGRAM give answers without the (ex. tree - correct ex. the tree - incorrect)
Image:
0e950707-eab1-4b02-be99-12864935a695 (image/jpeg)
Answer
  • iris
  • lens
  • suspensory ligaments
  • optic nerve
  • retina
  • cornea

Question 11

Question
In bright light the radial muscles of the iris [blank_start]____[blank_end] and the circular muscles of the iris [blank_start]_____[blank_end]
Answer
  • relax
  • contract

Question 12

Question
The suspensory ligaments...
Answer
  • controls the amount of light entering the eye
  • pulls the lens for focusing
  • holds the lens in place

Question 13

Question
[blank_start]_________[blank_end]glands have a gland
Answer
  • exocrine

Question 14

Question
[blank_start]______[blank_end] glands are found at the base of the brain, produce hormones and are linked by hypothalamuses to the brain
Answer
  • Pituitary

Question 15

Question
The pancreas is...
Answer
  • endocrine
  • exocrine
  • both endocrine and exocrine
  • neither endocrine nor exocrine

Question 16

Question
When adrenaline is secreted into the blood...
Answer
  • Pupils dilate
  • heart race increases
  • glycogen is released from the liver
  • blood is directed to the gut and away from the liver
  • breathing becomes deeper
  • breathing becomes faster
  • hairs stand on end

Question 17

Question
The body must be kept at a constant temperature of [blank_start]___[blank_end] degrees celcius
Answer
  • 37

Question 18

Question
Name the respons(es) that the body has in reaction to a decrease in temperature
Answer
  • sweating
  • vascodilation
  • shivering
  • vascoconstriction

Question 19

Question
What happens when enzymes are in a too cold environment
Answer
  • They denature
  • They work to slow
  • They freeze and die
  • They escape to be in a warmer environment

Question 20

Question
homeostasis is the maintenance of a constant internal environment
Answer
  • True
  • False

Question 21

Question
The cilliary muscles..
Answer
  • pull the light in for focusing
  • control the amount of light entering the eye
  • hold the lens in place

Question 22

Question
The cornea
Answer
  • is a light sensitive layer, sends signals to the optic nerve
  • lets light into the eye and focuses
  • focuses light onto the retina

Question 23

Question
The iris
Answer
  • controls the amount of light entering the eye
  • is a light sensitive layer, sends signals to the optic nerve
  • focuses light onto the retina

Question 24

Question
The optic nerve
Answer
  • sends signals to the brain
  • pulls the lens for focusing
  • controls the amount of light entering the eye

Question 25

Question
The pupil...
Answer
  • lets light through to the lens
  • controls the amount of light entering the eye
  • lets light into the eye and focuses

Question 26

Question
The retina
Answer
  • light sensitive layer, sends signals to the optic nerve
  • lets light into the eye and focuses
  • controls the amount of light entering the eye

Question 27

Question
which two parts of the eye work together to focus on objects
Answer
  • cornea and lens
  • pupil and lens
  • retina and lens
  • iris and lens
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