B6 quiz

Question 1 of 14

1

Fill the blank spaces to complete the text.

is the process of taking a from one species and it into another species

Explanation

Question 2 of 14

1

Click on the orange point and write the correct answer.

What is the definition of Transgenic?

Explanation

Question 3 of 14

9

Fill the blank spaces to complete the text.

1) gene located in healthy human
2) Gene is cut out using enzymes
3) Some bacteria contain rings of DNA called . These are . This is removed from a suitable bacterium.
4) The is cut open using the same enzymes as before
5) Insulin-producing gene is then into the plasmid using an called .
6) The recombinant DNA is inserted back into a
7) This bacterium now is a and will the gene and produce
8) As bacterium , more and more is produced. In order to , bacteria are placed in a where are closely monitored.

Explanation

Question 4 of 14

1

What is yoghurt?

Select one of the following:

Fermented Milk
Lactobacillus being killed
Milk and water juice
Sugar and yeast fermented

Explanation

Question 5 of 14

2

Lactose ––> Lactic acid + energy
What does lactic acid do?

Select one or more of the following:

Causes yoghurt to become white
Decreases the pH
Makes the milk sweet
Sours the milk
Milk coagulates
Causes temperature to increase
Causes enzymes activity of milk to decrease
Makes sour-tasting yoghurt

Explanation

Question 6 of 14

4

❌ milk is used to avoid the presence of unwanted ❌. High temperatures kill the bacteria.
The milk is cooled to ❌ - which is the optimum temperature for ❌.
The enzymes from bacteria convert milk sugar (❌) into ❌. Which makes the milk ❌ and makes the product ❌.

Drag and drop to complete the text.

Sterilised

bacteria

40-45ºC

80 ºC

enzymes

cats

Bacterial roots

lactose

Cellulose

Chitin

lactic acid

Hydrochloric acid

Celical acid

sour

sweet

bitter

white

hard

semi-solid

soft

yellow

Explanation

Question 7 of 14

1

Yeast cells contain enzymes that convert sugars into alcohol.

Select one of the following:

True
False

Explanation

Question 8 of 14

1

Yeast cells convert ethanol into sugar.

Select one of the following:

True
False

Explanation

Question 9 of 14

1

What is the process of producing the drink, beer called? What are the conditions needed?

Select one of the following:

Fermentation, aerobic respiration
Fermentation, all kinds of respiration
Fermentation, anaerobic respiration
Coagulate, anaerobic respiration
Making beer, aerobic respiration

Explanation

Question 10 of 14

4

1) Barley grains (containing ❌) are warmed with water to germinate. They produce amylase which breaks starch into maltose.
2) Barley is boiled with water to release ❌
3) Hops are added for ❌
4) ❌ is added and ❌ in this convert sugar to alcohol - ❌
5) Beer is usually ❌ and the yeast is ❌ to make more beer.

Drag and drop to complete the text.

starch

sugar

flavour

colouring

enzymes

Yeast

meat

more sugar

fermentation

filtered

recycled

thrown away

catched

Explanation

Question 11 of 14

1

	Created by Ritika Mehta about 5 years ago

IGCSE Biology Quiz on B6 quiz, created by Ritika Mehta on 09/04/2019.

B6 quiz

Question 1 of 14

Fill the blank spaces to complete the text.

is the process of taking a from one species and it into another species

Explanation

Question 2 of 14

Click on the orange point and write the correct answer.

What is the definition of Transgenic?

Explanation

Question 3 of 14

Fill the blank spaces to complete the text.

Explanation

Question 4 of 14

What is yoghurt?

Select one of the following:

Explanation

Question 5 of 14

Lactose ––> Lactic acid + energy What does lactic acid do?

Select one or more of the following:

Explanation

Question 6 of 14

❌ milk is used to avoid the presence of unwanted ❌. High temperatures kill the bacteria. The milk is cooled to ❌ - which is the optimum temperature for ❌. The enzymes from bacteria convert milk sugar (❌) into ❌. Which makes the milk ❌ and makes the product ❌.

Drag and drop to complete the text.

Explanation

Question 7 of 14

Yeast cells contain enzymes that convert sugars into alcohol.

Select one of the following:

Explanation

Question 8 of 14

Yeast cells convert ethanol into sugar.

Select one of the following:

Explanation

Question 9 of 14

What is the process of producing the drink, beer called? What are the conditions needed?

Select one of the following:

Explanation

Question 10 of 14

Drag and drop to complete the text.

Explanation

Question 11 of 14

Select from the dropdown list to complete the text.

The group of organisms that includes yeast are: Fungi Plants Protoctists Bacteria Animals( Fungi, Plants, Protoctists, Bacteria, Animals )

Explanation

Question 12 of 14

Fill the blank space to complete the text.

What is meant by the term anaerobic?

Explanation

Question 13 of 14

Fill the blank spaces to complete the text.

Describe how bottles can be sterilised with

Explanation

Question 14 of 14

Fill the blank space to complete the text.

Name the enzyme that digests the starch in the barley.

Explanation

Lactose ––> Lactic acid + energy
What does lactic acid do?

❌ milk is used to avoid the presence of unwanted ❌. High temperatures kill the bacteria.
The milk is cooled to ❌ - which is the optimum temperature for ❌.
The enzymes from bacteria convert milk sugar (❌) into ❌. Which makes the milk ❌ and makes the product ❌.

The group of organisms that includes yeast are: ( Fungi, Plants, Protoctists, Bacteria, Animals )

Describe how bottles can be sterilised
with