AQA Biology Unit 1 Revision

23 Questions | By Ianrobertson | Last updated: Mar 20, 2022 | Total Attempts: 534

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It’s the study of all life that inhabits the world around us, looking at topics like how we reproduce, what organs we are made up of and how they function and even what the small building blocks in our bodies, the cells, also do. It looks at all the animals and plants living in the world as well, and today we’re going to be testing your knowledge on all of it to see what you’ve learned!

Questions and Answers

1.

Who uses more drugs at the age of 13 years
- A.
  
  Girls
- B.
  
  Boys
2.

What is the equation for BMI?
- A.
  
  Weight / height * height
- B.
  
  Weight * height
- C.
  
  Height/weight * weight
3.

Which one of these drugs is illegal
- A.
  
  Nicotine
- B.
  
  LSD
- C.
  
  Ethanol
- D.
  
  Caffeine
4.

Cloned animals are genetically identical
- A.
  
  True
- B.
  
  False
5.

Asexual reproduction requires only one partner
- A.
  
  True
- B.
  
  False
6.

Which of these is a type of cloning?
- A.
  
  Deoxyribonucleic acid
- B.
  
  Osmosis
- C.
  
  Adult cell
- D.
  
  CNS
7.

Why do polar bears stay white all year round?
- A.
  
  Less visible to seals
- B.
  
  So they don't take in any heat
- C.
  
  They blend in to their surroundings
8.

Your liver deals with all of the poisons that get put into your body
- A.
  
  True
- B.
  
  False
9.

Why do animals such as polar bears keep their surface area to volume ratio as small as possible?
- A.
  
  To hide from predators
- B.
  
  To keep body heat
- C.
  
  To move quicker
10.

The role of white blood cells is
- A.
  
  To strengthen stomach lining
- B.
  
  Control excess hormones
- C.
  
  Protect the body against diseases
- D.
  
  To control the amount of saliva produced
11.

What could cause an epidemic?
- A.
  
  A mutated virus
- B.
  
  A cough
- C.
  
  Meeting dirty people
- D.
  
  Eating uncooked food
12.

Almost everyone who uses cannabis ends up using
- A.
  
  Ecstasy
- B.
  
  LSD
- C.
  
  Heroin
- D.
  
  Cocaine
13.

A cactus loses more water than a tree
- A.
  
  True
- B.
  
  False
14.

How much water does a Saguaro cactus lose in the desert in one day?
- A.
  
  Less than one glass of water
- B.
  
  More than one glass of water
- C.
  
  None
15.

How much water does an apple tree during a day?
- A.
  
  A bath full
- B.
  
  A sink full
- C.
  
  A glass full
16.

Which is te order of a reflex arc?
- A.
  
  Stimulus receptor coordinator effector response
- B.
  
  Receptor stimuls coordinator effector response
- C.
  
  Response stimulus coordinator effector receptor
17.

What does CNS stand for?
- A.
  
  Central neurone system
- B.
  
  Cerebral nervous system
- C.
  
  Centra nervous system
18.

LDL are known as what for cholesterol?
- A.
  
  Good
- B.
  
  Bad
- C.
  
  No effect
19.

Animals compete for three things: water, territory and light
- A.
  
  True
- B.
  
  False
20.

Did Alexander Flemming discover penicillin?
- A.
  
  True
- B.
  
  False
21.

Nerves are directly joined together
- A.
  
  True
- B.
  
  False
22.

Synapses release chemicals
- A.
  
  True
- B.
  
  False
23.

What year was a link made between smoking and cancer?
- A.
  
  1908
- B.
  
  1912
- C.
  
  1918
- D.
  
  1925

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