Exercise 1

Getting rid of waste products

• GROWTH

• SENSITIVITY

• RESPIRATION

• EXCRETION

Responding to stimuli

• SECRETION

• GROWTH

• MOVEMENT

• SENSITIVITY

A snapper swimming away a shark

• SENSITIVITY

• MOVEMENT

• GROWTH

• RESPIRATION

Eyepiece lens

• Used to focus the specimen

• Illuminates the specimen

• Specimen/slide to be viewed is

  placed here

• Magnify object viewed

• What you look through

Stage of the microscope

• Used to focus the specimen

• Illuminates the specimen

• Specimen/slide to be viewed is

  placed here

• Magnify object viewed

• What you look through

Light source of the microscope

• Used to focus the specimen

• Illuminates the specimen

• Specimen/slide to be viewed is

  placed here

• Magnify object viewed

• What you look through

Coarse adjustment knob

• Used to focus the specimen

• Illuminates the specimen

• Specimen/slide to be viewed is

  placed here

• Magnify object viewed

• What you look through

Objective lens of the microscope

• Used to focus the specimen

• Illuminates the specimen

• Specimen/slide to be viewed is

  placed here

• Magnify object viewed

• What you look through

Which one of these is correct about a plant cell ? (2 correct answers)

• they have chloroplast, cell wall and nucleus

• they have a small vacuole and cell membrane only

• they have cell wall, nucleus and small vacuole

• they have a large vacuole, cell wall and cell membrane

An animal call has no (3 correct answers)

• chloroplast

• cell wall

• large vacuole

• cytoplasm