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IGCSE BIOLOGY revision (only some topics, MCQ, first year)

Transcript

Have you been dreaming about your exams?

NIGHTMAREESCAPE GAME

start

THE MISSION

You are having a nightmare about your exam. Can you escape it? You need to wake up! In your dark dream, you are stuck in an old factory producing fertilizers. It smells. It is falling apart... The parking lot is full of abandoned, rusty cars. You are alone. You are lost. You cannot find a way out of this horrible place. And there are exam questions - EVERYWHERE! Solving them surprisingly helps, but can you really find them all and finally wake up from this terror?!?

Dark place in your mind

Find the clue you need to keep moving forward

What is respiration?

release of energy for body activities

breathing to supply oxygen to cells

QUESTION 1/3

Which chemical element is present in chlorophyll?

magnesium

iron

QUESTION 2/3

What colour does Benedict’s solution change to when heated with a reducing sugar?

blue

orange

QUESTION 3/3

What colour does Benedict’s solution change to when heated with a reducing sugar?

blue

orange

QUESTION 3/3

Dark place in your mind

Find the clue you need to keep moving forward

2 and 3 only

1, 2 and 3

1 and 2 only

Which would be considered movement by an organism?1 a tree’s leaves being blown by the wind2 migration of zebra in Africa3 a student changing their seating position in a classroom

QUESTION 1/3

excretion

photosynthesis

sensitivity

What is not a characteristic of all living organisms?

QUESTION 2/3

movement of oxygen from alveoli to the blood

movement of blood through the capillaries

movement of food from the mouth to the stomach

What is an example of diffusion?

QUESTION 3/3

Dark place in your mind

Find the clue you need to keep moving forward

large intestine

small intestine

oesophagus

Into which part of the alimentary canal does the pancreas release digestive juices?

QUESTION 1/3

carbon dioxide + water => oxygen + glucose

glucose + carbon dioxide => oxygen + water

oxygen + glucose => carbon dioxide + water

What is the equation for aerobic respiration?

QUESTION 2/3

The enzyme in saliva is slow to work at 35 °C.

The enzyme in saliva is inactive at 95 °C.

The enzyme in saliva works equally well at 15 °C and 35 °C.

A mixture of starch and saliva was set up at four different temperatures. Each mixture was testedwith iodine solution after 15 minutes and again after 30 minutes.The results are shown in the table. What do the results suggest?

QUESTION 3/3

the base

Find the clue you need to keep moving forward

1.2x

1.3x

1.5x

1.4x

The length of an insect in a photograph is measured as 17 mm. The actual length of the insect is12 mm.What is the magnification of the insect in the photograph?

QUESTION 1/3

protein

fat

reducing sugar

starch

Which type of biological molecule contains carbon, hydrogen, oxygen and nitrogen?

QUESTION 2/3

D

A

C

B

Which conditions will result in the highest rate of photosynthesis?

QUESTION 3/3

Dark place in your mind

Find the clue you need to keep moving forward

a protein that speeds up the rate of a reaction

carbohydrate that speeds up the rate of a reaction

a carbohydrate that alters the activity of a target organ

a protein that alters the activity of a target organ

What is an enzyme?

QUESTION 1/3

absorption

assimilation

egestion

ingestion

Which term is defined as the movement of digested food molecules into the cells of the bodywhere they are used?

QUESTION 2/3

redcing sugar

protein

starch

vitamin C

Three food tests are carried out on a sample of food. The results are shown in the table. From these results, which nutrient is in the food?

QUESTION 3/3

Mission Complete

You are awake! CONGRATULATIONS!!! It's a beautiful sunny day, in fact you have a weekend ahead!

START OVER?

Are you sure you want to go out?

You will lose progress

back

exit

MISSION FAILED

You are stuck, your dreams are starting to REPEAT...

try again