Microscope & Cells (1NT 2022)

Fill in the number: Objective power lens is

Name the part: 4 is

Fill in the number: Diaphragm is

Name the part: 7 is

When carrying a microscope, place one hand on the ________ and one on the _________.

• adjustment knob

• arm

• stage

• base

Purpose of light source is to

• project light upwards, through the diaphragm, specimen & lens.

• regulate the amount of light on the specimen.

• provide light when the room is too dark.

_____ is the basic unit of life.

• Atom

• Organ

• Cell

• Tissue

Which of the following is not a main part of an animal cell?

• Cell membrane

• Chloroplast

• Cytoplasm

• Nucleus

Which of the following is/are the function of a nucleus?

• Controls all activities within the cell.

• Controls substances entering or leaving the cell.

• Contains other parts of the cell, water and digested food substances.

• Contains genetic information that is passed to the offsprings.

Which of the following is/are the function of a cytoplasm?

• Site where most cell activities take place.

• Allows the cell to change its shape.

• Contains other parts of the cell, water and digested food substances.

• Contains genetic information that is passed to the offsprings.