Biology- 1st 6 week test

1.

1 point

One component that is similar in all four types of biomolecules is they all _____.

One component that is similar in all four types of biomolecules is they all _____. contain the element carbon

contain the element nitrogen

have the same chemical composition

have the same molecular shape

2.

1 point

Which factor distinguishes monosaccharides from polysaccharides?

The number of nitrogen atoms in it

The kind of lipid it forms

That is a type of sugar

The complexity of it

3.

1 point

You are heating a substance in a test tube. Always point the open end of the tube

away from people

toward yourself

straight up

toward people

4.

1 point

Organisms that capture and store solar energy in carbon containing compounds such as glucose are:

producers

consumers

herbivores

5.

1 point

Bacteria are classified as prokaryotes because they -

have no membrane-bound nucleus.

have no DNA.

have cilia.

are unicellular.

6.

1 point

Which one of the following has a membrane-bound nucleus present within its cell structure?

prokaryotic cell

eukaryotic cell

7.

1 point

Which of the answers below correctly places the building block with the correct biomolecule?

1 Nucleic Acid
2 Lipid
3 Protein
4 Carbohydrate

1 = amino acids

2 = fatty acids

3 = saccharides

4 = nucleotides

8.

1 point

Which of the following are considered biomolecules?

lipids

nucleic acids

carbohydrates

all of the above

9.

1 point

Which of the following methods would have been most likely to provide enough energy to begin life according to Oparin-Haldane?

volcano

wind

rain

lightning

10.

1 point

Photosynthesis allows plants to:

Capture oxygen from water molecules

Change radiant energy into chemical energy

Change carbohydrates into solar energy

11.

1 point

Biomolecules are –

molecules that are composed of fatty acids and are used for energy storage

large, organized chemical molecules that form a structure and carry out activities in the cell

polysaccharides that store energy and provide structure for cells

molecules that are synthesized from various elements through a series of chemical bonds

12.

1 point

How do enzymes affect the rate of a reaction?

speed it up

no effect

slow it down

13.

1 point

Never leave a lit burner unattended

True

False

14.

1 point

Bacteria is an organism composed of a single cell. How is it classified?

multicellular

unicellular

15.

1 point

hot glass looks the same as cold glass

True

False

16.

1 point

work areas should be kept clean and tidy

True

False

17.

1 point

What is the difference between a prokaryote and a eukaryote?

membrane bound nucleus

cell wall

need for nutrients

plasma membrane

18.

1 point

Long hair in the lab must be

cut short

always neatly groomed

tied back or kept entirely out of the way with a hair band

19.

1 point

The basic unit of life is called a(n) ___________ .

cell

molecule

compound

element

20.

1 point

In a laboratory, the following should not be worn

loose clothing

dangling jewerly

sandals

all of the above

21.

1 point

Which of these activities releases carbon dioxide into the atmosphere?

precipitation

breathing

photosynthesis

22.

1 point

What is the relationship between amino acids and proteins?

Amino acids are composed of proteins

Proteins are composed of amino acids

23.

1 point

Which of the following is NOT a type of eukaryotic cell?

animal

fungus

bacteria

plant

24.

1 point

A polymer is –

a molecule that is synthesized from various elements through a series of chemical bonds

a polysaccharide that stores energy and provides structure for cells

a molecule composed of fatty acids and used for energy storage

a large molecule made up of monomers

25.

1 point

Prokaryotic cells lack all of the following except _____.

mitochondria

nucleus

ribosomes

lysosomes

26.

1 point

The products of photosynthesis are:

Oxygen and carbon dioxide

Oxygen, carbon dioxide, water, and glucose

Glucose and oxygen

27.

1 point

If an aquatic plant makes gas bubbles when exposed to light, which gas is most likely in the bubbles?

carbon

oxygen

sulfur

28.

1 point

Green plants capture and store solar energy through the process of:

photosynthesis

respiration

homeostasis

29.

1 point

Return all unused chemicals to their original containers.

True

False

30.

1 point

Chipped or cracked glassware is okay to use

True

False

31.

1 point

How does the structure of the biomolecule below (glucose) relate to its function?

Simple structure allows it to break down easily creating substances that can be used in the organism

Simple structure allows it to combine with other molecules easily and make more complex structures that can be used in the organism

both of the above

32.

1 point

Personal eyeglasses provide as much protection as

chemical goggles

safety glasses

none of the above

face shield

33.

1 point

Which of the following are considered eukaryotic cells?

a:bacteria

b:red blood cells

c:animal cells

both b and c

34.

1 point

How do eukaryotic cells differ from prokaryotic cells?

only eukaryotic cells have ribosomes

only eukaryotic cells have organelles

only prokaryotic cells have mitochondria

only prokaryotic cells are spherical

35.

1 point

The role of the Sun in photosynthesis is to serve as a source of:

heat

energy

oxygen supply

36.

1 point

Amino acids in a protein are produced according to which biomolecule?

DNA

carbohydrates

glucose

lipid

37.

1 point

Monomers are –

small molecular units that can be chemically combined with other small units to form a larger molecule

polysaccharides that store energy and provide structure for cells

molecules that are composed of fatty acids and are used for energy storage

large, organized chemical molecules that form a structure and carry out activities in the cell

38.

1 point

Energy needed for activities in cells is provided by:

glucose

oxygen

water

39.

1 point

Which of the following is NOT a function of lipids?

Genetic material

Cell support

Signaling

Storage

40.

1 point

Flammable materials, like alcohol, should never be dispensed or used near

an open flame

an open door

another student