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Bio I Sem I Review

Total questions: 55

Worksheet time: 28mins

Name
Class
Date
1.

Science begins with

a)

questions

b)

hypotheses

c)

experiments

d)

observations

2.

A cube with each side measuring 1cm has a volume of

a)

1cm

b)

1 square cm

c)

1 cubic cm

d)

3cm

3.

What is 10% of 952?

a)

952

b)

95.2

c)

9.52

d)

0.952

4.

At normal atmospheric pressures, water boils at

a)

100 Celsius

b)

100 Fahrenheit

c)

212 Celsius

d)

0 Celsius

5.

Which element has an atomic number of 6?

a)

Helium

b)

Lithium

c)

Beryllium

d)

Carbon

6.

Group 18 elements are also known as the

a)

alkali metals

b)

alkaline earth metals

c)

transition metals

d)

noble gases

7.

Which of the following is a QUALITATIVE observation?

a)

5 dogs

b)

brown dogs

c)

50 pound dogs

d)

dogs with 4 legs

8.

The _______ variable gets measured.

a)

independent

b)

dependent

c)

first

d)

control

9.

The purpose of a control is to provide a

a)

basis of comparison

b)

variable

c)

method of experimentation

d)

conclusion

10.

What is the volume of the dinosaur?

a)

4 mL

b)

1 mL

c)

0.8 mL

d)

2 mL

11.

Laws in science

a)

explain natural events

b)

describe natural events

c)

are based on guesses

d)

change frequently

12.

Scientific theories

a)

are the most well-supported explanations in science

b)

have very little supporting evidence

c)

describe supernatural phenomena

d)

are pretty much just guesses

13.

Which is NOT a characteristic of ALL living things?

a)

all living things breathe

b)

all living things are made of cells

c)

all living things have genetic information

d)

all living things obtain and use energy

14.

Homeostasis refers to

a)

thickness of skin

b)

maintaining a constant internal environment

c)

changing of blood pH

d)

the sum of all chemical reactions in cells

15.
a)

water

b)

carbon dioxide

c)

ammonia

d)

oxygen

16.

Water _________ when it freezes.

a)

contracts

b)

expands

c)

neither expands nor contracts

d)

is wet

17.

Which is an ion?

a)

H2O

b)

CO2

c)

Na+

d)

C6H12O6

18.

How many protons are found in sodium?

a)

1

b)

23

c)

11

d)

10

19.

How many neutrons are in Fluorine?

a)

9

b)

10

c)

18

d)

19

20.

How many oxygen atoms are in the formula Mg3(PO4)2?

a)

3

b)

4

c)

6

d)

8

21.

State of matter with a definite volume, but no definite shape

a)

solid

b)

liquid

c)

gas

d)

plasma

22.

Same number of protons, different number of neutrons

a)

isotope

b)

ion

c)

atom

d)

element

23.

Which of the following is a radioactive isotope of Carbon-12?

a)

Carbon-11

b)

Carbon-13

c)

Carbon-14

d)

Carbon-15

24.

How many protons are in an atom of Calcium?

a)

10

b)

20

c)

30

d)

40

25.

Protein factories of the cell

a)

mitochondria

b)

nucleus

c)

Golgi

d)

ribosomes

26.

Which is true about eukaryotic cells?

a)

Eukaryotic cells are usually smaller than prokaryotic cells

b)

Eukaryotic cells do not have a nucleus

c)

Eukaryotic cells have many membrane-bound organelles such as Golgi and ER

d)

Eukaryotic cells do not have DNA

27.

Molecules with an uneven distribution of charges are called

a)

nonpolar molecules

b)

polar molecules

c)

frigid molecules

d)

covalent molecules

28.

Proteins are made of chains of

a)

glucose

b)

amino acids

c)

triglycerides

d)

disaccharides

29.

Sucrose (table sugar) is an example of a

a)

monosaccharide

b)

disaccharide

c)

polysaccharide

d)

protein

30.

This element is found in protein but not in carbohydrates

a)

carbon

b)

oxygen

c)

nitrogen

d)

hydrogen

31.

Another word for prokaryotes is

a)

protist

b)

amoeba

c)

bacteria

d)

virus

32.

How many centimeters are in 6 meters?

a)

0.6

b)

6

c)

60

d)

600

33.

Which of the following is correctly paired?

a)

proton - negative charge

b)

electron - positive charge

c)

neutron - negative charge

d)

electron - negative charge

34.

Microscope part that controls the amount of light

a)

stage

b)

diaphragm

c)

fine adjustment knob

d)

ocular

35.

#11

a)

fine adjustment knob

b)

coarse adjustment knob

c)

diaphragm

d)

arm

36.

Curvature of a liquid in a glass tube

a)

osmosis

b)

meniscus

c)

aperture

d)

omnivore

37.

Which cell is in a hypertonic environment?

a)

left

b)

middle

c)

right

d)

none

38.

Which environment will cause a red blood cell to swell?

a)

very salty water

b)

liquid that is isotonic to the red blood cell

c)

pure water

d)

none of these

39.

A student wanted to see if the number of cricket chirps per minute depended on the time of day. What is the independent variable?

a)

time of day

b)

# of cricket chirps

c)

the student

d)

none of these

40.

Attraction between molecules of different substances?

a)

adhesion

b)

cohesion

c)

amylase

d)

glycogen

41.

Glucose is a type of

a)

protein

b)

lipid

c)

fat

d)

carbohydrate

42.

A substance with a pH of 6 would be

a)

a strong acid

b)

a strong base

c)

a weak acid

d)

a weak base

43.

Which is TRUE about lipids?

a)

Lipids are hydrophilic

b)

Lipids are hydrophobic

c)

Lipids contain mostly nitrogen atoms

d)

Lipids have fewer calories per gram than carbs

44.

#1

a)

nucleus

b)

nucleolus

c)

ribosome

d)

Golgi

45.

Function of #9

a)

making proteins

b)

transportation of materials

c)

converting energy

d)

storing genetic info

46.

#5

a)

smooth ER

b)

rough ER

c)

Golgi

d)

mitochondria

47.

#6

a)

mitochondria

b)

rough ER

c)

ribosome

d)

Golgi

48.

Green pigment found in plant cells

a)

chloroplast

b)

chlorophyll

c)

centriole

d)

melanocyte

49.

These molecules make up the

a)

Golgi

b)

ER

c)

cell membrane

d)

cytoplasm

50.

The molecule that acts as a rechargeable battery in cells

a)

MLB

b)

ATP

c)

DDT

d)

CFC

51.

Location of photosynthesis

a)

chloroplast

b)

Golgi

c)

cell membrane

d)

nucleus

52.

Cellular respiration

a)

is only done in plants

b)

results in the formation of glucose and oxygen

c)

breaks down glucose in the presence of oxygen

d)

is only done in animals

53.

The light-independent reactions of photosynthesis are known as

a)

the Krebs cycle

b)

the Calvin cycle

c)

the Darwin cycle

d)

the Menge cycle

54.

Molecules that speed up the rate of chemical reactions in living things

a)

enzymes

b)

lipids

c)

vitamins

d)

erythrocytes

55.

Oxidative respiration is the same thing as

a)

cellular respiration

b)

photosynthesis

c)

glycolysis

d)

hematopoiesis

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