AQA AS Biology Questions

Question 1 of 40

4

Fill the blank spaces to complete the text.

During the Benedict's test for sugars, copper(II) goes to copper(I) and forms a precipitate.

Explanation

Question 2 of 40

2

Select from the dropdown lists to complete the text.

Maltose is formed from ( 2, 3, 4 ) ( alpha, beta ) glucose

Explanation

Question 3 of 40

1

Sucrose is made from:

Select one or more of the following:

Glucose + Glucose
Glucose + Fructose
Glucose + Galactose

Explanation

Question 4 of 40

4

Glycogen is an ❌ source for ❌. ❌ is an energy source of plants. ❌ is a structural molecule for plants.

Drag and drop to complete the text.

animals

energy

Starch

Celluose

water

plants

bacteria

Explanation

Question 5 of 40

5

Starch has ❌ chains and has a ❌ structure which means it is compact. You test for starch with the ❌ which uses ❌ solution. A positive result is ❌.

Drag and drop to complete the text.

unbranched

branched

helical

linear

iodine test

emulsion test

benedict's test

potassium iodide

ethanol

blue-black

red

cloudy precipitate

Explanation

Question 6 of 40

1

Which is not a function of lipids:

Select one of the following:

Waterproofing
Insulating
Structural support
Protection

Explanation

Question 7 of 40

1

Collagen is a globular protein.

Select one of the following:

True
False

Explanation

Question 8 of 40

1

Water molecules are polar.

Select one of the following:

True
False

Explanation

Question 9 of 40

3

Label this diagram of ATP

Drag an answer into the correct orange point.

Adenoside

Thymine

Ribose

Dyoxyribose

Phosphate

Calcium

Hydrogen

Explanation

Question 10 of 40

1

Click on the orange point and write the correct answer.

What type of enzyme inhibition is this?

Explanation

Question 11 of 40

1

Click on the orange point and write the correct answer.

What type of enzyme inhibition is this?

Explanation

Question 12 of 40

2

In DNA, the ❌ bases are adenine and guanine, and the ❌ bases are thymine and cytosine.

Drag and drop to complete the text.

purine

pyrimidine

Explanation

Question 13 of 40

1

DNA replicates conservatively.

Select one of the following:

True
False

Explanation

Question 14 of 40

3

Click on each orange point and select the correct answer.

Label this diagram of a DNA nucleotide.

Explanation

Question 15 of 40

1

Click on the orange point and write the correct answer.

Which stage of mitosis is this?

Explanation

Question 16 of 40

1

Click on the orange point and write the correct answer.

Which stage of mitosis is this?

Explanation

Question 17 of 40

8

Label these organelles

Drag an answer into the correct orange point.

Mitochondria

Nucleolus

Lysosome

Rough endoplasmic reticulum

Smooth endoplasmic reticulum

Golgi apparatus

Cytoplasm

Cell Surface Membrane

Explanation

Question 18 of 40

3

Fill the blank spaces to complete the text.

Active transport is the movement of molecules or ions in or out of a cell from a region on concentration to a region of concentration using ATP and proteins.

Explanation

Question 19 of 40

1

Which is not a physical barrier to pathogens

Select one or more of the following:

Skin
Mucous membranes
White blood cells
Gut flora

Explanation

Question 20 of 40

1

Phagocytes are specific.

Select one of the following:

True
False

Explanation

Question 21 of 40

6

The ❌ Immune Response:
1) Phagocyte becomes an ❌ after it has destroyed the pathogen
2) The antigen presenting cell releases cytokines and the helper ❌ cell is activated
3) The helper T cell stimulates the production of ❌ T cells
4) Perforin is produced which cause ❌ of the cells infected with pathogens
5) Exposure to the specific antigen causes ❌ cells to be produced

Drag and drop to complete the text.

lysis

memory

antigen presenting cell

Cellular

cytotoxic

T

B

Explanation

Question 22 of 40

7

❌ Immune Response:
1) The phagocyte becomes an ❌ after it destroys the pathogen
2) The antigen presenting cell stimulates the helper T cell by releasing ❌
3) The helper T cell stimulates the differentiation of ❌
4) Some B lymphocytes become ❌ cells which release large quantities of specific ❌
5) Some B lymphoctes become ❌ cells

Drag and drop to complete the text.

Humoral

antigen presenting cell

cytokines

B lymphocytes

plasma

antibodies

memory

Explanation

Question 23 of 40

3

Select the statements that are true about Passive immunity

Select one or more of the following:

No memory cells formed
Introduction of antibodies from an outside source
Generaly long lasting
No direct contact with the pathogen required
Bodies own immune system is stimulated

Explanation

Question 24 of 40

3

Select the statements that are true about Active immunity.

Select one or more of the following:

Bodies own immune system is stimulated to produce antibodies
There are 2 types - natural and artificial
Antibodies come from an outside source
Long lasting immunity
Short lasting immunity

Explanation

Question 25 of 40

4

Fill the blank spaces to complete the text.

In fish, the blood and water flow in directions. This is called flow. This means a diffusion gradient is maintained all the way along the gill lamellae so almost all the oxygen diffuses out of the into the .

Explanation

Question 26 of 40

5

Label this diagram of the lungs

Drag an answer into the correct orange point.

Trachea

C-shaped cartilidge

Bronchi

Bronchioles

Alveoli

Explanation

Question 27 of 40

2

Which are not adaptations of the alveoli:

Select one or more of the following:

Thin walls
Small surface area
Red blood cells are slowed as they pass through pulmonary capillary
Fluctuating blood supply

Explanation

Question 28 of 40

1

A high affinity for oxygen in haemoglobin means that the haemoglobin takes up O2 less easily at lower partial pressures of O2.

Select one of the following:

True
False

Explanation

Question 29 of 40

15

Label this diagram of the heart.

Drag an answer into the correct orange point.

Aorta

Vena Cava

Pulmonary artery

Pulmonary vein

LEFT

RIGHT

Left atrium

Right atrium

Right ventricle

Left ventricle

Pulmonary valve

Atrioventricular valve

Aortic valve

Apex

Coronary artery

Explanation

Question 30 of 40

5

Arteries have a ❌ muscular layer which can be constricted and dilated to control the volume of blood passing through them. They have a thick ❌ layer which helps to maintain blood pressure by stretching and ❌. The overall thickness of the artery help to prevent ❌. There are no ❌.

Drag and drop to complete the text.

thick

thin

elastic

recoiling

bursting

valves

Explanation

Question 31 of 40

4

Veins have a ❌ muscular layer which can ❌ to control the flow of blood. They have a thin elastic layer. They have very thin walls since the pressure is ❌ and means they can be flattened easily to aid the flow of blood. There are valves throughout which ensure the blood doesn't flow ❌.

Drag and drop to complete the text.

thin

thick

constrict

lower

higher

backwards

forwards

Explanation

Question 32 of 40

1

Splicing removes the introns from pre-mRNA.

Select one of the following:

True
False

Explanation

Question 33 of 40

1

Fill the blank space to complete the text.

The region of tRNA that is complementary to a codon on mRNA is called an .

Explanation

Question 34 of 40

3

Fill the blank spaces to complete the text.

During meiosis, the chromosome number and haploid cells are are genetically are produced.

Explanation

Question 35 of 40

1

Fill the blank space to complete the text.

Crossing over occurs during meiosis

Explanation

Question 36 of 40

1

Fill the blank space to complete the text.

Mutagenic agents increase the of mutations.

Explanation

Question 37 of 40

1

What is the amino acid sequence for this sequence of mRNA
UUC AGC GCG UAA

Select one or more of the following:

Alanine, Serine, Alanine, Stop codon
Alanine, Arginine, Alanine, Stop codon
Leucine, Arginine, Alanine, Tyrosine

Explanation

Question 38 of 40

4

A genetic bottleneck will ❌ genetic diversity. It is an event which causes a big ❌ in the population so will reduce the number of ❌. The survivors will reprodue and the larger population is created from ❌ indiviuals.

Drag and drop to complete the text.

reduce

increase

reduction

rise

alleles

a few

many

Explanation

Question 39 of 40

3

Directional selection favours individuals with characteristics at the ❌ of the population whereas stabilising selection favours individuals in the ❌ of the range when the environment ❌ changing much.

Drag and drop to complete the text.

extremes

middle

isn't

is

Explanation

Question 40 of 40

4

	Created by Alex Lyes almost 7 years ago

A-Level Biology Quiz on AQA AS Biology Questions, created by Alex Lyes on 10/06/2017.

AQA AS Biology Questions

Question 1 of 40

Fill the blank spaces to complete the text.

During the Benedict's test for sugars, copper(II) goes to copper(I) and forms a precipitate.

Explanation

Question 2 of 40

Select from the dropdown lists to complete the text.

Maltose is formed from 2 3 4( 2, 3, 4 ) alpha beta( alpha, beta ) glucose

Explanation

Question 3 of 40

Sucrose is made from:

Select one or more of the following:

Explanation

Question 4 of 40

Glycogen is an ❌ source for ❌. ❌ is an energy source of plants. ❌ is a structural molecule for plants.

Drag and drop to complete the text.

Explanation

Question 5 of 40

Starch has ❌ chains and has a ❌ structure which means it is compact. You test for starch with the ❌ which uses ❌ solution. A positive result is ❌.

Drag and drop to complete the text.

Explanation

Question 6 of 40

Which is not a function of lipids:

Select one of the following:

Explanation

Question 7 of 40

Collagen is a globular protein.

Select one of the following:

Explanation

Question 8 of 40

Water molecules are polar.

Select one of the following:

Explanation

Question 9 of 40

Label this diagram of ATP

Drag an answer into the correct orange point.

Explanation

Question 10 of 40

Click on the orange point and write the correct answer.

What type of enzyme inhibition is this?

Explanation

Question 11 of 40

Click on the orange point and write the correct answer.

What type of enzyme inhibition is this?

Explanation

Question 12 of 40

In DNA, the ❌ bases are adenine and guanine, and the ❌ bases are thymine and cytosine.

Drag and drop to complete the text.

Explanation

Question 13 of 40

DNA replicates conservatively.

Select one of the following:

Explanation

Question 14 of 40

Click on each orange point and select the correct answer.

Label this diagram of a DNA nucleotide.

Explanation

Question 15 of 40

Click on the orange point and write the correct answer.

Which stage of mitosis is this?

Explanation

Question 16 of 40

Click on the orange point and write the correct answer.

Which stage of mitosis is this?

Explanation

Question 17 of 40

Label these organelles

Drag an answer into the correct orange point.

Explanation

Question 18 of 40

Fill the blank spaces to complete the text.

Active transport is the movement of molecules or ions in or out of a cell from a region on concentration to a region of concentration using ATP and proteins.

Explanation

Question 19 of 40

Which is not a physical barrier to pathogens

Select one or more of the following:

Explanation

Question 20 of 40

Phagocytes are specific.

Maltose is formed from ( 2, 3, 4 ) ( alpha, beta ) glucose

What is the amino acid sequence for this sequence of mRNA
UUC AGC GCG UAA