paper

Question 1

what is the function of the nucleus?

Answer 1

The cell nucleus​ is a membrane-bound structure that contains a cell’s hereditary information and controls its growth and reproduction.

Question 2

name 1 type of cell which doesnt contain a nucleus?

Answer 2

pro-karyotic cell

Question 3

Draw a simple diagram of the cell in Figure 1.Label two parts of the cell.

Answer 3

draw a plant cell with its nucleus and cell wall

Question 4

Name one structure found in a plant cell but not found in an animal cell?

Answer 4

chloropyll

Question 5

The real length from point Xto point Yis 0.06 mm

Answer 5

magnification =size of imagerealsize of object

Question 6

2 advantages electron microscope instead of a light microscope

Answer 6

they have higher magnification and they have higher resolution

Question 7

Mosquitoes carry a pathogen that causes malaria. what is that pathogen?

Answer 7

malaria pathogen

Question 8

A newspaper made the following statement: ‘Study shows mosquito nets are scientifically proven to prevent malaria. Give onepiece of evidence that supports the statement.

Answer 8

1.2 percent of people got bit using the nets whereas 40 perfect of people not using the nets got bit.

Question 9

Suggest one reason why the statement may not be valid.

Answer 9

could just be luck

Question 10

Predict the number of people per 100 000 who died from malaria in 2017if the trend stayed the same.

Answer 10

91

Question 11

Use of mosquito nets has helped to reducethe number of deaths from malaria each year. Suggest one other reason for the reduced number of deaths from malaria each year

Answer 11

better access to medical care and hygeine