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Early Year 9 Biology Quiz

Description

Touches on some GCSE/IGCSE topics
Rachael A
Quiz by Rachael A, updated more than 1 year ago
Rachael A
Created by Rachael A almost 10 years ago
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Resource summary

Question 1

Question
I want to light a bunsen on safety flame. What position should the "hole" be?
Answer
  • The hole should be open to increase air flow
  • The hole should be closed to decrease air flow
  • The hole should be in the half way position

Question 2

Question
Which of the following are organs?
Answer
  • Neurone
  • Stomach
  • Eye
  • Muscle

Question 3

Question
Which features will you only find in plant cells?
Answer
  • Chloroplasts
  • Nucleus
  • Ribosomes
  • Cellulose Cell Wall

Question 4

Question
Which features will you find in a bacterial cell?
Answer
  • Nucleus
  • Circular DNA
  • RIbosomes
  • Mitochondria

Question 5

Question
What is the role of the mitochondria
Answer
  • To produce energy for the cell
  • To release energy from food molecules
  • Performs aerobic respiration to produce ATP for energy

Question 6

Question
How many micrometers are in a meter?
Answer
  • 1000
  • 100
  • 1000,000
  • 10,000

Question 7

Question
I measured the size of a root hair cell under the microscope. It was 4cm. My magnification was 400x. How big is the actual root hair cell?
Answer
  • 10mm
  • 0.1mm
  • 1000 um
  • 100um

Question 8

Question
The red blood cell is an example of a specialised animal cell. How is specialised to carry oxygen to respiring tissues?
Answer
  • Large surface area to volume ratio because of its biconcave shape
  • No organelles so it can carry lots of haemoglobin
  • Red in colour to increase the rate of diffusion
  • Small and flexible to fit into the smallest capillaries

Question 9

Question
The root hair cells of plants are specialised cells. Which of the following describes their adaptation to function?
Answer
  • Long and thin to help absorb water from between fine soil particles
  • Large surface area to volume ratio to increase rate of diffusion of water into the cell
  • Have stomata which open and close to control movement of gases in and out

Question 10

Question
Define diffusion
Answer
  • Random movement of molecules from a low to a high concentration
  • Random movement of molecules from a high to low concentration
  • Random movement of molecules against a concentration gradient

Question 11

Question
How does oxygen get into a cell?
Answer
  • It diffuses across the cell membrane
  • The cell breathes it in from the atmosphere
  • It moves by osmosis across the cell membrane

Question 12

Question
Which of the following allows diffusion to happen more quickly?
Answer
  • A large diffusion distance
  • A good blood supply
  • A steep concentration gradient
  • A large surface area

Question 13

Question
WHen I breathe out which of the following happens?
Answer
  • The diaphragm contracts and moves down
  • The intercostal muscles contract
  • The rib cage moves down and in
  • The volume of the lung space increases
  • The pressure in the lung space increases compared to outside
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