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Biology - Unit 2

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

What is the magnification of the ocular lens (eyepiece) on a light microscope?

a)

1x

b)

10x

c)

40x

d)

50x

2.

If the ocular (eyepiece) lens is 10x and the objective lens is 4x, what is the total magnification?

a)

10x

b)

4x

c)

40x

d)

400x

3.

If the specimen on the slide is facing you, how would it appear through the lens?

a)

Upside down

b)

Upside down AND inverted (flipped)

c)

It would appear the same as it is on the stage

4.

Which scientist discovered cells?

a)

Gregor Mendel

b)

Robert Hooke

c)

Isaac Newton

d)

Bill Nye

5.

What was Anton Van Leeuwenhoek known for? (select all that apply)

a)

Discovering cells

b)

Discovering prokaryotic and eukaryotic cells

c)

Making his own lenses and microscopes

d)

Discovering human blood cells

6.

Which of the following is NOT a part of the Cell Theory?

a)

All living organisms are made up of one or more cells

b)

Cells cannot be destroyed

c)

All life functions occur within cells

d)

All cells come from pre-existing cells

7.

Which of the following cell organelles are common in most living organisms? (select all that apply)

a)

Plasma/cell membrane

b)

Chloroplast

c)

Cytoplasm

d)

DNA

e)

Ribosomes

8.

This organelle is a thin layer of lipids (fats) that surround a cell; also known as the "skin" of a cell.

a)

DNA

b)

Ribosomes

c)

Plasma/cell membrane

d)

Cytoplasm

9.

This is where all the cellular material inside the cell membrane exists, besides the nucleus.

a)

DNA

b)

Ribosomes

c)

Plasma/cell membrane

d)

Cytoplasm

10.

This is a structure in the cytoplasm where proteins are made.

a)

DNA

b)

Ribosomes

c)

Plasma/cell membrane

d)

Cytoplasm

11.

The _______ contains the genetic instructions needed to make proteins.

a)

DNA

b)

Ribosomes

c)

Plasma/cell membrane

d)

Cytoplasm

12.

Which type of cell contains NO nucleus?

a)

Prokaryotic cell

b)

Eukaryotic cell

13.

Which type of cell is found in animals?

a)

Prokaryotic cell

b)

Eukaryotic cell

14.

Where can prokaryotic cells be found?

a)

Humans

b)

Bacteria

c)

Fungi

d)

Plants

15.

Which organelle protects the DNA?

a)

Ribosomes

b)

Nucleus

c)

Mitochondria

d)

Cell wall

16.

Select all parts of the biosphere where carbon is ABSORBED.

a)

Atmosphere

b)

Ocean

c)

Plants

d)

Animals/humans

e)

Soil & rocks

17.

Select all parts of the biosphere where carbon is RELEASED.

a)

Atmosphere

b)

Decomposition

c)

Plants

d)

Animals/humans

e)

Factories (fossil fuels)

18.

True or false: The earliest atmosphere was composed of hydrogen and helium gases.

a)

True

b)

False

19.

Before the atmosphere evolved into how it is during present day, what gases was it primarily composed of? Select all that apply.

a)

Oxygen

b)

Nitrogen

c)

Methane

d)

Carbon dioxide

e)

Ammonia

20.

What was the primary source of the abundance of carbon dioxide in Earth's early atmosphere?

a)

Fossil fuels

b)

Volcanic activity

c)

Human respiration (breathing)

21.

In order for photosynthesis to take place, what does a plant need?

a)

Oxygen

b)

Sunlight

c)

Glucose

d)

Water

e)

Carbon dioxide

22.

After photosynthesis takes place, what is "yielded" or created?

a)

Oxygen

b)

Sunlight

c)

Glucose

d)

Water

e)

Carbon dioxide

23.

White light from the Sun is really...

a)

red light

b)

infrared light

c)

blue light

d)

all colors from the spectrum

24.

Most plants are green due to a pigment called ____________.

a)

Photosynthesis

b)

Ribosome

c)

Chlorophyll

d)

Chloroplast

25.

Plants reflect back green and _________ light, while all the other colors are absorbed.

a)

red

b)

orange

c)

yellow

d)

violet