Year 8_Topic 1 and 2_Progress Quiz 1

When looking at a specimen on your slide, you should always start with the

• low objective lens
• medium objective lens
• high objective lens

Label the following parts of a light microscope.

b

c

d

e

a

Objective lens

Eye piece/ocular lens

Fine and coarse adjustment knob

Handle

Stage

Find the total magnification: 
Eyepiece = 10X 
Objective lens = 55X  

• 10x
• 55x
• 65x
• 550x

1. The basic unit of life is the ​ (a)   .

2. A cell with a nucleus is called a(n) ​ (b)   cell.

3. Plant cells have a rigid outer layer that helps with support and protection called the ​ (c)   .

• cell
• eukaryotic
• cell wall

Draw a plant cell and label the following: DNA, ribosomes, cytoplasm, plasma membrane, nucleus, chloroplast and cell wall (BONUS: mitochondria and large vacuole).

Draw an animal cell and label the following: DNA, ribosomes, cytoplasm, plasma membrane, nucleus, mitochondria (BONUS: small vacuole, endoplasmic reticulum).

Match the following organelles/structures to their function.

• Ribosomes

• I am an organelle responsible for photosynthesis.

• Mitochondria

• I am thicker than the plasma membrane and protect plant cells.

• Nucleus

• I am an organelle responsible for making proteins.

• Cell wall

• I hold the genetic information (DNA) of the cell.

• Chloroplast

• I am an organelle known as the 'powerhouse' of the cell and make energy to help the cell function.