Cell

Which of the following was first observed with a microscope that led to the discovery of cells?

• fly

• cork

• honeycomb

• leaf

which of the following people contributed greatly to microbiology?
I. Robert Hooke

II. Isaac Newton

III. Anton van leeuwenhoek

IV. Alexander Graham Bell

• I and II

• I and III

• II and III

• I and IV

Jack is observing some cells using a microscope. how does he conclude that the cells are plant cells?

• The cell are green

• The cells are irregular and round in shape

• The cells have chloroplasts

• he sees the nucleus in each cell

which is the functionof the mitochondria in a cell?

• They control all the activities in the cell

• They help to make food in the cell

• They control the movement of substances in and out of the cell

• They produce energy for the cell

which is the unicellular and multicellular!

Which of the following supports the statement above?

• it has very huge cells

• It is made up of many cells

• it's cells are similar in size and carry out similar function

• It's big as we can see them woth our eyes

Which of the unicellular and multicellular!

Which of the following statement isn't correct in describing these organisms?

• They are made up of one single cell

• They are also known as microorganism

• They are very tiny

• They are found abundant in dry areas such as deserts

Plant cells have a fixed shape but animal cells do not. What is the reason for this?

• Plant cells have a cell wall

• Animal cells have small or no vacuoles

• Plant cells have many chloroplasts

• Plant cells are larger than animal cells

A plant cell has a .............................. Shape due to the existence of its cell wall