Biology (Additional)

Question 1 of 44

4

Which of these are characteristics of an animal cell?

Select one or more of the following:

Cell Wall
Cell Membrane
Cytoplasm
Nucleus
Mitochondria
Vacuole

Explanation

Question 2 of 44

4

Which of these are characteristics of a bacterium cell?

Select one or more of the following:

Plasmids
Chlorophyll
Chromosomal DNA
Nucleus
Flagellum
Cell wall

Explanation

Question 3 of 44

3

What does a light microscope show?

Select one or more of the following:

Inside of mitochondria
Outside of Mitochondria
Inside of chloroplasts
Outside of Chloroplasts
Nuclei

Explanation

Question 4 of 44

1

Which of these formulae are correct?

Select one or more of the following:

Magnification = image height / object height
Magnification = object height / image height

Explanation

Question 5 of 44

1

A stand of DNA has a...

Select one or more of the following:

triple helix structure.
double helix structure.
single helix structure.

Explanation

Question 6 of 44

2

Which of these are the correct base pairs?

Select one or more of the following:

Adenine-Thymine
Cytosine-Guanine
Guanine-Thymine
Cytosine-Adenine

Explanation

Question 7 of 44

1

Base pairs are joined by...

Select one or more of the following:

Weak hydrogen bonds
Strong hydrogen bonds
Weak hydrogen fibres
Strong hydrogen fibres

Explanation

Question 8 of 44

1

Who discovered the double helix structure?

Select one or more of the following:

Watson and Crick
Franklin and Wilkins
Watson and Wilkins
Franklin and Crick

Explanation

Question 9 of 44

1

Watson and Crick used this idea and their knowledge of _________ to make a model of a DNA molecule.

Select one or more of the following:

Base pairs
Amino acids
Proteins
Genes

Explanation

Question 10 of 44

1

Proteins are made from...

Select one or more of the following:

amino acids
hydrogen
Chloroplasts
Ribosomes

Explanation

Question 11 of 44

1

What is mRNA?

Select one or more of the following:

A single strand molecule and has the base uracil (U).
A double helix structure.
A single strand molecule and has the base adenine (A).
A single strand molecule and has the base cytosine (C).

Explanation

Question 12 of 44

1

Which is the correct order of protein synthesis?

Select one or more of the following:

DNA unzips, Transcription, mRNA joins a ribosome, amino acids are brought to the ribosome by tRNA, ribosome sticks them together to make a polypeptide (protein), translation.
Translation, DNA unzips, transcription, mRNA joins ribosome, amino acids are brought to the ribosome by tRNA, ribosome sticks them together to make a polypeptide (protein).
Amino acids are brought to the ribosome by tRNA, ribosome sticks them together to make a polypeptide (protein), translation, DNA unzips, transcription, mRNA joins ribosome.

Explanation

Question 13 of 44

1

Mutations can be...

Select one or more of the following:

Harmful
Beneficial
Neutral
All of these

Explanation

Question 14 of 44

1

What are enzymes? (Select two)

Select one or more of the following:

Biological catalysts
Proteins
Organelles
Cells

Explanation

Question 15 of 44

1

How do enzymes work?

Select one or more of the following:

Finds it's specific substrate that fits the active sight, the 'lock and key' mechanism.
Finds any substrate to react with
Finds two or more substrates and makes them one

Explanation

Question 16 of 44

1

A higher temperature means...

Select one or more of the following:

faster reactions.
slower reactions.
nothing.

Explanation

Question 17 of 44

1

If it is to hot the enzyme will...

Select one or more of the following:

denature.
denurture.
disconnect.

Explanation

Question 18 of 44

1

What does denature mean?

Select one or more of the following:

The enzyme alters in shape and breaks down other substrates than it usually would.
The enzyme loses its shape and can't break down substrates.
The enzyme loses its shape but continues to work.

Explanation

Question 19 of 44

1

What else denatures an enzyme (other than temperature)?

Select one or more of the following:

pH
Ph
Concentration of substrates

Explanation

Question 20 of 44

1

What else effects the rate of reaction of enzymes?

Select one or more of the following:

Concentration (to a certain extent)
Light intensity
Concentration (continually)

Explanation

Question 21 of 44

2

Which of the following are benefits of the Human Genome Project?

Select one or more of the following:

Develops new and better medicines
Improves forensic sciences
Discrimination from employers/insurers
Geneism

Explanation

Question 22 of 44

3

What are the benefits of genetic engineering? (select the answers with the correct examples)

Select one or more of the following:

Reduce vitamin A deficiency (golden rice with beta carotene)
Reduce vitamin A deficiency (with supplements)
Producing human insulin (human farming)
Producing human insulin (insulin-producing bacteria)
Increasing crop yield (weather resistant crops)
Increasing crop yield (herbicide resistant crops)

Explanation

Question 23 of 44

1

Which of the following show the correct method of genetic engineering?

Select one or more of the following:

Useful gene cut out of chromosome using bacteria, bacterium used to cut open another chromosome, useful gene inserted into cut chromosome.
Useful gene cut out of chromosome using enzymes, enzymes used to cut open another chromosome, useful gene inserted into cut chromosome.
Useful gene cut out of chromosome using microscopic knife, microscopic knife used to cut open another chromosome, useful gene inserted into cut chromosome.

Explanation

Question 24 of 44

3

Controversy connected with genetic engineering?

Select one or more of the following:

Reducing biodiversity.
GM crops aren't safe.
GM crops may not be completely safe.
Could effect the natural environment where it shouldn't.

Explanation

Question 25 of 44

1

What are human body cells?

Select one or more of the following:

Haploid (23 chromosomes)
Diploid (23 chromosome pairs)

Explanation

Question 26 of 44

2

Mitosis is for...

Select one or more of the following:

sexual reproduction.
asexual reproduction.
growth and repair.

Explanation

Question 27 of 44

1

Which of the following is mitosis?

Select one or more of the following:

Explanation

Question 28 of 44

1

Gametes are...

Select one or more of the following:

Diploid (23 chromosome pairs)
Haploid (23 chromosomes)

Explanation

Question 29 of 44

1

Zygotes are...

Select one or more of the following:

Diploid (23 chromosome pairs)
Haploid (23 chromosomes)

Explanation

Question 30 of 44

1

Which of the following is meiosis?

Select one or more of the following:

Explanation

Question 31 of 44

1

Cloning is an example of what?

Select one or more of the following:

Asexual reproduction
Sexual reproduction

Explanation

Question 32 of 44

2

This is the process of cloning mammals, what are the issues in doing so?

Select one or more of the following:

Reduced gene pool (fewer alleles)
Shortened lifespan
Preserves endangers species
Better understanding of ageing and age-related disorders

Explanation

Question 33 of 44

1

Cells in an embryo are...

Select one or more of the following:

differentiated.
undifferentiated.

Explanation

Question 34 of 44

1

Stem cells can turn into...

Select one or more of the following:

any type of cell.
specific types of cell only.

Explanation

Question 35 of 44

2

Positives of stem cell research?

Select one or more of the following:

Can be used to cure diseases (sickle cell anaemia)
Can be specialised to replace damaged ones
Embryos are potential lives so shouldn't be used.

Explanation

Question 36 of 44

1

Which is the correct equation for aerobic respiration?

Select one or more of the following:

glucose + oxygen ---> carbon dioxide + water (+energy)
glucose ---> lactic acid (+energy)

Explanation

Question 37 of 44

2

What are the reactants in photosynthesis?

Select one or more of the following:

carbon dioxide
water
oxygen
glucose

Explanation

Question 38 of 44

2

What are the products of photosynthesis?

Select one or more of the following:

carbon dioxide
water
glucose
oxygen

Explanation

Question 39 of 44

3

What are the limiting factors of photosynthesis?

Select one or more of the following:

Light intensity
Water concentration
CO2 concentration
Temperature

Explanation

Question 40 of 44

2

Which of the following adaptions help photosynthesis? (Some of these are written wrong)

Select one or more of the following:

Broad leaves
Chlorophyll
Thick
Small surface area

Explanation

Question 41 of 44

1

The movement of water molecules across a partially permeable membrane from a region of high water concentration to a region of low water concentration.

What is this the description for?

Select one or more of the following:

Osmosis
Diffusion

Explanation

Question 42 of 44

1

Which part of a plant transports water and mineral from the roots to the rest of the plant?

Select one or more of the following:

Xylem
Phloem

Explanation

Question 43 of 44

1

	Created by Sian Woods about 7 years ago

Quiz on Biology (Additional), created by Sian Woods on 26/05/2017.

Biology (Additional)

Question 1 of 44

Which of these are characteristics of an animal cell?

Select one or more of the following:

Explanation

Question 2 of 44

Which of these are characteristics of a bacterium cell?

Select one or more of the following:

Explanation

Question 3 of 44

What does a light microscope show?

Select one or more of the following:

Explanation

Question 4 of 44

Which of these formulae are correct?

Select one or more of the following:

Explanation

Question 5 of 44

A stand of DNA has a...

Select one or more of the following:

Explanation

Question 6 of 44

Which of these are the correct base pairs?

Select one or more of the following:

Explanation

Question 7 of 44

Base pairs are joined by...

Select one or more of the following:

Explanation

Question 8 of 44

Who discovered the double helix structure?

Select one or more of the following:

Explanation

Question 9 of 44

Watson and Crick used this idea and their knowledge of _________ to make a model of a DNA molecule.

Select one or more of the following:

Explanation

Question 10 of 44

Proteins are made from...

Select one or more of the following:

Explanation

Question 11 of 44

What is mRNA?

Select one or more of the following:

Explanation

Question 12 of 44

Which is the correct order of protein synthesis?

Select one or more of the following:

Explanation

Question 13 of 44

Mutations can be...

Select one or more of the following:

Explanation

Question 14 of 44

What are enzymes? (Select two)

Select one or more of the following:

Explanation

Question 15 of 44

How do enzymes work?

Select one or more of the following:

Explanation

Question 16 of 44

A higher temperature means...

Select one or more of the following:

Explanation

Question 17 of 44

If it is to hot the enzyme will...

Select one or more of the following:

Explanation

Question 18 of 44

What does denature mean?

Select one or more of the following:

Explanation

Question 19 of 44

What else denatures an enzyme (other than temperature)?

Select one or more of the following:

Explanation

Question 20 of 44

What else effects the rate of reaction of enzymes?