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CHS Biology Y11 GCSE Questions

Total questions: 34

Worksheet time: 20mins

Name
Class
Date
1.

A section of DNA that codes for a particular protein is called a .............

a)

gene

b)

chromosome

c)

cytoplasm

d)

nucleus

2.

Proteins consist of long chains of ..................

a)

amino acids

b)

fatty acids

c)

glycerol

d)

carbohydrates

3.

How many bases are needed to code for one amino acid?

a)

1

b)

2

c)

3

d)

4

4.
which of these organs in NOT part of the digestive system?
a)
stomach
b)
liver
c)
kidneys
d)
oesophagus
5.
in which organ is most of your food absorbed?
a)
stomach
b)
liver
c)
large intestine
d)
small intestine
6.
in which organ is water removed from your food?
a)
stomach
b)
liver
c)
large intestine
d)
small intestine
7.
Which of the following nutrients is important for body, cell, and muscle growth and repair?
a)
vitamins
b)
fats
c)
proteins
d)
carbohydrates
8.

These break down dead plants and animals.

a)

Composers

b)

Decomposers

c)

Producers

d)

Biotic components

9.

Movement of substances from an area of high concentration to low concentration is known as...

a)

Diffusion

b)

Hypotonic

c)

Isotonic

d)

Passive Transport

10.

The following features are found only in the plant cell (select more than one)

a)

Nucleus

b)

Cell wall

c)

Chloroplast

d)

large permanent vacuole

11.
Which type of transport requires an input of energy?
a)
Passive Transport
b)
Osmosis
c)
Simple Diffusion
d)
Active Transport
12.
Which term refers to the process by which individuals that are better suited to the environment survive and reproduce therefore passing down their genes to their offspring? 
a)
Evolution 
b)
Variation 
c)
Adaptation
d)
Natural Selection 
13.

Which process involves the release of energy from food substances in all living cells?

a)

breathing

b)

nutrition

c)

respiration

d)

digestion

14.

What is an example of osmosis?

a)

Carbon dioxide goes out through the stomata of a leaf.

b)

Digested food is absorbed from the small intestine.

c)

Oxygen goes into the blood from an alveolus.

d)

Water enters a plant root from the soil.

15.

Which of the chambers of the heart has the highest pressure?

a)

Right verticle

b)

Left atrium

c)

Left verticle

16.

Which blood vessel carries the deoxygenated blood to the right atrium?

a)

Vena cava

b)

Pulmonary vein

c)

Pulmonary artery

d)

All of them

17.

Which blood vessels carries oxygenated blood from the heart to the whole body?

a)

Vena cava

b)

Aorta

c)

Pulmonary vein

18.
What does not produce carbon dioxide?
a)
Photosynthesis
b)
Burning Fossil Fuels
c)
Animal respiration
d)
Plants decaying
19.
In the carbon cycle, producers take in the gas __
a)
carbon dioxide
b)
oxygen
c)
nitrogen
d)
carbon monoxide
20.
Define biodiversity
a)
The process by which carbon & oxygen cycle among plants, people & animals, & the environment.
b)
The variety of plants & animals living in one area.
c)
The trees and other plants in a large densely wooded area; land that is covered with trees and shrubs.
21.
Examples of a producer
a)
frog
b)
algae
c)
worm
d)
mouse
22.
A tree is a ....
a)
composer
b)
decomposer
c)
producer
23.
What is a producer?
a)
an organism that gets energy from eating other organisms
b)
an organisms that uses sunlight to make its own food
c)
an organism that gets energy from eating dead organisms, non-living material or waste
d)
an organism that uses chemical energy to make its own food
24.
What is a herbivore?
a)
an animal that gets energy from eating other animals
b)
an organism that gets energy from eating only plants
c)
an animal that gets energy by eating both plants and other animals
d)
an animal that eats only herbs
25.
What is a carnivore?
a)
an animal that gets energy by eating other animals
b)
An animal that gets energy by eating only plants
c)
an animal that gets energy by eating both plants and animals
d)
an animal that makes its own energy through photosynthesis
26.
An animal that gets energy from eating both plants and animals is a 
a)
herbivore
b)
carnivore
c)
omnivore
d)
autotroph
27.
Where do all life forms get their energy?
a)
Earth's Core
b)
Water
c)
Plants
d)
The Sun
28.

What is an advantage of a short food chain?

a)

a few producers can support a large number of consumers

b)

it is easier for consumers to find food

c)

less energy is lost in the food chain

d)

less food is required by consumers

29.
what do genes code for?
a)
Fats
b)
proteins
c)
glucose
d)
Oxygen
30.

Which of these is a reactant in photosynthesis?

a)

Oxygen

b)

Carbon dioxide

c)

Glucose

d)

Soil

31.

Which of these is NOT a limiting factor of photosynthesis?

a)

Light intensity

b)

Carbon dioxide concentration

c)

Glucose concentration

d)

Temperature

32.

Aerobic respiration takes place in the ...

a)

Nucleus

b)

Mitochondria

c)

Chloroplast

d)

Ribosome

33.

Which if the following does NOT happen during exercise

a)

Decreased heart rate

b)

Increased breathing rate

c)

Increased breathing depth

d)

Glycogen stores converted to Glucose

34.

Which is the correct equation for anaerobic respiration in animals?

a)

Glucose --> Lactic acid

b)

Glucose --> carbon dioxide + ethanol

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