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Biology (Additional)

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Quiz on Biology (Additional), created by Sian Woods on 26/05/2017.
Sian Woods
Quiz by Sian Woods, updated more than 1 year ago
Sian Woods
Created by Sian Woods over 7 years ago
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Resource summary

Question 1

Question
Which of these are characteristics of an animal cell?
Answer
  • Cell Wall
  • Cell Membrane
  • Cytoplasm
  • Nucleus
  • Mitochondria
  • Vacuole

Question 2

Question
Which of these are characteristics of a bacterium cell?
Answer
  • Plasmids
  • Chlorophyll
  • Chromosomal DNA
  • Nucleus
  • Flagellum
  • Cell wall

Question 3

Question
What does a light microscope show?
Answer
  • Inside of mitochondria
  • Outside of Mitochondria
  • Inside of chloroplasts
  • Outside of Chloroplasts
  • Nuclei

Question 4

Question
Which of these formulae are correct?
Answer
  • Magnification = image height / object height
  • Magnification = object height / image height

Question 5

Question
A stand of DNA has a...
Answer
  • triple helix structure.
  • double helix structure.
  • single helix structure.

Question 6

Question
Which of these are the correct base pairs?
Answer
  • Adenine-Thymine
  • Cytosine-Guanine
  • Guanine-Thymine
  • Cytosine-Adenine

Question 7

Question
Base pairs are joined by...
Answer
  • Weak hydrogen bonds
  • Strong hydrogen bonds
  • Weak hydrogen fibres
  • Strong hydrogen fibres

Question 8

Question
Who discovered the double helix structure?
Answer
  • Watson and Crick
  • Franklin and Wilkins
  • Watson and Wilkins
  • Franklin and Crick

Question 9

Question
Watson and Crick used this idea and their knowledge of _________ to make a model of a DNA molecule.
Answer
  • Base pairs
  • Amino acids
  • Proteins
  • Genes

Question 10

Question
Proteins are made from...
Answer
  • amino acids
  • hydrogen
  • Chloroplasts
  • Ribosomes

Question 11

Question
What is mRNA?
Answer
  • 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).

Question 12

Question
Which is the correct order of protein synthesis?
Answer
  • 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.

Question 13

Question
Mutations can be...
Answer
  • Harmful
  • Beneficial
  • Neutral
  • All of these

Question 14

Question
What are enzymes? (Select two)
Answer
  • Biological catalysts
  • Proteins
  • Organelles
  • Cells

Question 15

Question
How do enzymes work?
Answer
  • 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

Question 16

Question
A higher temperature means...
Answer
  • faster reactions.
  • slower reactions.
  • nothing.

Question 17

Question
If it is to hot the enzyme will...
Answer
  • denature.
  • denurture.
  • disconnect.

Question 18

Question
What does denature mean?
Answer
  • 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.

Question 19

Question
What else denatures an enzyme (other than temperature)?
Answer
  • pH
  • Ph
  • Concentration of substrates

Question 20

Question
What else effects the rate of reaction of enzymes?
Answer
  • Concentration (to a certain extent)
  • Light intensity
  • Concentration (continually)

Question 21

Question
Which of the following are benefits of the Human Genome Project?
Answer
  • Develops new and better medicines
  • Improves forensic sciences
  • Discrimination from employers/insurers
  • Geneism

Question 22

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

Question 23

Question
Which of the following show the correct method of genetic engineering?
Answer
  • 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.

Question 24

Question
Controversy connected with genetic engineering?
Answer
  • Reducing biodiversity.
  • GM crops aren't safe.
  • GM crops may not be completely safe.
  • Could effect the natural environment where it shouldn't.

Question 25

Question
What are human body cells?
Answer
  • Haploid (23 chromosomes)
  • Diploid (23 chromosome pairs)

Question 26

Question
Mitosis is for...
Answer
  • sexual reproduction.
  • asexual reproduction.
  • growth and repair.

Question 27

Question
Which of the following is mitosis?
Answer

Question 28

Question
Gametes are...
Answer
  • Diploid (23 chromosome pairs)
  • Haploid (23 chromosomes)

Question 29

Question
Zygotes are...
Answer
  • Diploid (23 chromosome pairs)
  • Haploid (23 chromosomes)

Question 30

Question
Which of the following is meiosis?
Answer

Question 31

Question
Cloning is an example of what?
Answer
  • Asexual reproduction
  • Sexual reproduction

Question 32

Question
This is the process of cloning mammals, what are the issues in doing so?
Image:
9c7cc8f9772c8e1087f3da7b1affa4c00bb5109c (image/gif)
Answer
  • Reduced gene pool (fewer alleles)
  • Shortened lifespan
  • Preserves endangers species
  • Better understanding of ageing and age-related disorders

Question 33

Question
Cells in an embryo are...
Answer
  • differentiated.
  • undifferentiated.

Question 34

Question
Stem cells can turn into...
Answer
  • any type of cell.
  • specific types of cell only.

Question 35

Question
Positives of stem cell research?
Answer
  • 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.

Question 36

Question
Which is the correct equation for aerobic respiration?
Answer
  • glucose + oxygen ---> carbon dioxide + water (+energy)
  • glucose ---> lactic acid (+energy)

Question 37

Question
What are the reactants in photosynthesis?
Answer
  • carbon dioxide
  • water
  • oxygen
  • glucose

Question 38

Question
What are the products of photosynthesis?
Answer
  • carbon dioxide
  • water
  • glucose
  • oxygen

Question 39

Question
What are the limiting factors of photosynthesis?
Answer
  • Light intensity
  • Water concentration
  • CO2 concentration
  • Temperature

Question 40

Question
Which of the following adaptions help photosynthesis? (Some of these are written wrong)
Answer
  • Broad leaves
  • Chlorophyll
  • Thick
  • Small surface area

Question 41

Question
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?
Answer
  • Osmosis
  • Diffusion

Question 42

Question
Which part of a plant transports water and mineral from the roots to the rest of the plant?
Answer
  • Xylem
  • Phloem

Question 43

Question
Which part of a plant transports sugars from the leaves to growing and storing tissues?
Answer
  • Xylem
  • Phloem

Question 44

Question
What is transpiration? (Select two)
Answer
  • The loss of water from a plant caused by evaporation and diffusion.
  • The gain of water to a plant caused by osmosis and active transport.
  • The loss of water from a plant caused by diffusion only.
  • The gain of water to a plant caused by osmosis only.
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