Quiz For Year 10 Mock

Question 1

What sub cellular structure contains a green substance called chlorophyll which absorbs the light energy needed for photosynthesis?

Answer 1

Chloroplasts

Question 2

An example of a disease that is not passed from person to person.

Answer 2

Cancer

Question 3

What is likely to happen to an individual that is poorly suited in its environment?

Answer 3

It will not survive to reproduce.

Question 4

If something goes wrong when copying DNA and you get the wrong DNA code produced we call this a:

Answer 4

Mutation

Question 5

The correct stages of mitosis are

Answer 5

Interphase, prophase, metaphase, anaphase and telophase and cytokinesis

Question 6

What do we call the cells that are undergoing rapid growth are found in tips of root and shoots in plants?

Answer 6

Meristems

Question 7

A prokaryotic cell does not contain

Answer 7

Nucleus

Question 8

What is osmosis?

Answer 8

Osmosis is the movement of water molecules across a partially permeable membrane from a region of high water concentration to an area of low water concentration.

Question 9

What are the adaptions of exchange surfaces in animals?

Answer 9

Large surface area, a membrane that is thin, having an efficient blood supply, being ventilated.

Question 10

Surface area of cube with sides of 3 cm.

Answer 10

54cm^2

Question 11

Which sub cellular structure contains a genetic material that controls the activities of the cell?

Answer 11

Nucleus

Question 12

What is a synapse?

Answer 12

A gap between neurones.

Question 13

Define a noncommunicable disease?

Answer 13

A non-communicable disease is a disease that cannot be passed from person to person or from animal to person.

Question 14

What does heterozygous mean?

Answer 14

When the genotype has both the dominant and recessive allele.

Question 15

Stem cells are special because

Answer 15

They can differentiate into other cell types.

Question 16

What shape is the DNA molecule?

Answer 16

Double helix

Question 17

What are neurotransmitters?

Answer 17

A chemical message between a synapse.

Question 18

During which phase of mitosis are the chromosomes lineup down the middle?

Answer 18

Metaphase

Question 19

How is malaria? Spread? Malaria is an example of what kind of disease?

Answer 19

Malaria is spread by mosquitos and is an example of a protist disease.

Question 20

Why did giraffe in the world have long necks?

Answer 20

Due to natural selection.

Question 21

What does the immune system do?

Answer 21

Protect against infection

Question 22

Why are fossils used to prove evolution happens?

Answer 22

They provide evidence of a different species from a long time ago. These species may be extinct now.

Question 23

Using insecticide and nets can stop the spread of which disease?

Answer 23

Malaria

Question 24

What happens to organisms that don’t have a successful adaptation e.g. giraffes for short necks?

Answer 24

They don’t survive as long.

Question 25

What are alleles?

Answer 25

Different forms of the same gene- one from the mother and other from the father

Question 26

Tanya wakes cup with cramps, diarrhoea and a fever. She recalls eating chicken at a BBQ the night before that looked a little pink. What is disease she is likely to be suffering from?

Answer 26

Salmonella.

Question 27

Name the enzyme which breaks down fats

Answer 27

Lipase

Question 28

What makes up the CNS?

Answer 28

Brain and spine

Question 29

Active transport is required because the concentration of mineral ions in the root hair cell is...the concentration in the soil.

Answer 29

Higher

Question 30

Which individuals are most likely to survive to reproduce?

Answer 30

Those that are well suited to their environment.

Question 31

What kind of chart is used to monitor the growth of babies?

Answer 31

Percentile chart

Question 32

For natural selection to occur:

Answer 32

The offspring must inherit traits from both parents, and survive to be able to reproduce.

Question 33

What is a motor neurone

Answer 33

A nerve cell that passes information to an effector.

Question 34

How does information pass across synapses?

Answer 34

Chemicals

Question 35

According to Darwin's theory of evolution, how do new species evolve?

Answer 35

By natural selection.

Question 36

Which type of cell produces antibodies?

Answer 36

White blood cells.

Question 37

Why do animals become extinct?

Answer 37

Because of predators, disease, hunting, and climate change.

Question 38

Who is famous for coming up with the idea of natural selection?

Answer 38

Charles Darwin.

Question 39

What is the first stage of mitosis?

Answer 39

Chromosomes inside the nucleus are copied, as are the organelles.

Question 40

DNA has a ladder-like structure, the bases form the rungs. Bases pair in a specific complimentary way - what are the correct base pairs?

Answer 40

Adeline (A), and thymine (t), cytosine (C), and guanine(g).

Question 41

Disadvantage of the fossil record?

Answer 41

It is incomplete- fossils don't always form when an organism dies. This means there are gaps.

Question 42

What is an enzyme made out of?

Answer 42

Protein

Question 43

What causes tuberculosis (TB)?

Answer 43

A bacterium.

Question 44

A child in the 97th percentile for mass...

Answer 44

… Is heavier than 97% and lighter than 3% of children at the same age.

Question 45

The 'optimum pH' means

Answer 45

The pH where the rate of reaction is the fastest.