(4th Quarter) FINALS REVIEWER

Question 1

The term science comes from the Latin word “scientia” which means _______.

Answer 1

To know

Question 2

Refers to the application of scientific knowledge to practical purposes

Answer 2

Technology

Question 3

The term technology was derived from which Latin word?

Answer 3

Techne

Question 4

Extensive science research and investigation have led to the invention or development of technologies. The following are scientific technologies EXCEPT?

Answer 4

Computer Tech

Question 5

What do you call the individuals who conduct investigations and formulate/apply theories, principles and laws of natural sciences?

Answer 5

Scientists

Question 6

Refers to an organized body of knowledge gained from careful study, observation or experimentation

Answer 6

Science

Question 7

What is the scientific basis of putting fruits in a rice bin in order for fruits to ripen easily?

Answer 7

The rice bin acts as a constant temperature storage, so that enzymes in the fruit will speed up the process

Question 8

The following are advancements in Science and Technology that will benefit most people EXCEPT?

Answer 8

Costly antibiotics to minimize illnesses

Question 9

Reine is a student who does not only ask why and how things happen but tries to find answers to his questions by conducting research and experiment. What scientific attitude does Reine have?

Answer 9

Curiousity

Question 10

Which of the following refers to a process used to find answers to questions about things around us?

Answer 10

Scientific Investigation

Question 11

Sophia was given a solution containing water and salt. She was instructed to evaporate the water to obtain the salt alone. What apparatus does she need to use for evaporation?

Answer 11

Evaporating dish

Question 12

If you are given a mixture of water and chalk powder. Which of the following you must use to separate the liquid water from the solid chalk particles?

Answer 12

Glass funnel

Question 13

It is an instrument that can enlarge or magnify the image of microscopic organisms

Answer 13

Microscope

Question 14

These parts provide light to the microscope

Answer 14

Illuminating parts

Question 15

These parts make the object look larger

Answer 15

Magnifying parts

Question 16

These are parts that support the microscope and the object being examined

Answer 16

Mechanical parts

Question 17

It is used for collecting and reflecting light

Answer 17

Mirror

Question 18

What is the total magnification of a 10x eyepiece and a 4x objective lens?

Answer 18

40x

Question 19

It is the curved handle of the microscope

Answer 19

Arm

Question 20

It is like a horseshoe which is a stable structure that supports that entire microscope

Answer 20

Base

Question 21

This is the platform on which the specimen slide is held in place using the stage clips

Answer 21

Disc diaphragm

Question 22

Which of the following is NOT true about the proper use of the microscope?

Answer 22

Don’t use the stage clips so the slide will not break

Question 23

The following should be observed before returning the microscope after use, EXCEPT?

Answer 23

The microscope is inclined

Question 24

A detachable cylinder located on the top of the draw tube for you to view the specimen

Answer 24

Ocular and Eyepiece

Question 25

These are lenses that are usually attached to the revolving nose piece

Answer 25

Objectives

Question 26

It has a low magnifying power for observing the general outline of the specimen

Answer 26

LPO

Question 27

What is the color band of the Scanner objective?

Answer 27

Red

Question 28

What is the color band of the Low power objective?

Answer 28

Yellow

Question 29

What is the color band of the High power objective?

Answer 29

Blue

Question 30

What is the magnifying power of the eyepiece/ocular lens?

Answer 30

10x

Question 31

What is the magnifying power of the scanner objective?

Answer 31

4x

Question 32

What is the magnifying power of the HPO lens?

Answer 32

40x

Question 33

What is the magnifying power of the LPO lens?

Answer 33

10x

Question 34

Which of the following is to be multiplied in solving for the Total Magnification of the lenses used?

Answer 34

Eyepiece x Objective Lens

Question 35

Which of the following is NOT true about plants and animal cells?

Answer 35

Have cell wall

Question 36

The following are found in plant cells EXCEPT?

Answer 36

Centrioles

Question 37

The following are found in animal cells EXCEPT?

Answer 37

Cell wall

Question 38

All cell have these three main parts EXCEPT?

Answer 38

Cell wall

Question 39

Which of the following is TRUE about the nucleus?

Answer 39

The control center of the cell

Question 40

These are tiny structures that assemble amino acid and makes proteins

Answer 40

Ribosomes

Question 41

The powerhouse of the cell that produces energy molecules

Answer 41

Mitochondrion

Question 42

The energy molecule produced by the mitochondrion

Answer 42

ATP

Question 43

These are green structures that capture sunlight and used it for Photosynthesis

Answer 43

Chloroplasts

Question 44

Which is the correct arrangement of the levels of biological organization from smallest to largest?

Answer 44

Cell-tissue-organ-organ system-organism

Question 45

It refers to anything that occupies space and has mass

Answer 45

Matter

Question 46

It refers to the systematic arrangement of elements based on their atomic number and properties

Answer 46

Periodic Table

Question 47

It refers to a pure substance made up of one kind of atom

Answer 47

Element

Question 48

These are pure substances that are made up of two or more kinds of atoms

Answer 48

Compound

Question 49

These are mixtures of metal and one or more elements

Answer 49

Alloys

Question 50

A type of element that is shiny, dense, ductile and malleable

Answer 50

Metals

Question 51

A type of element that is brittle, dull, poor conductor of heat and electricity

Answer 51

Non-metals

Question 52

These are horizontal rows in the periodic table

Answer 52

Periods

Question 53

These are vertical columns in the periodic table

Answer 53

Groups

Question 54

How many elements are there in the Periodic Table?

Answer 54

118

Question 55

This is the location of the metalloids or semi-metals in the periodic table

Answer 55

Stair-step line

Question 56

This is the location of all metals in the periodic table

Answer 56

Left side

Question 57

What element has the symbol Au?

Answer 57

Gold

Question 58

What element has the symbol Zn?

Answer 58

Zinc

Question 59

Which is TRUE about the properties of Metals?

Answer 59

They are located in the Left side of the Periodic Table

Question 60

It refers to the measurement of a push or pull

Answer 60

Force

Question 61

The following are examples of a Vector quantity EXCEPT?

Answer 61

60 kg

Question 62

It refers to the physical quantity with both magnitude and direction

Answer 62

Vector

Question 63

The following are examples of a Scalar quantity EXCEPT?

Answer 63

30 meters, East

Question 64

It refers to the continuous change in position with respect to the point of reference

Answer 64

Motion

Question 65

It is a measure of how fast/slow an object travels in a given amount of distance and time

Answer 65

Speed

Question 66

It is the length of path travelled/covered by an object

Answer 66

Distance

Question 67

A person with a mass of 75 kg is accelerated to 3 m/s2. How much force was applied to him?

Answer 67

225 N

Question 68

It refers to a physical disturbance that travels from one location to another

Answer 68

Wave

Question 69

It refers to any substance or material that can carry a wave

Answer 69

Medium

Question 70

Which of the following is an example of a medium?

Answer 70

Solid, Liquid, Gas

Question 71

These are waves that do NOT require a medium for their propagation

Answer 71

Electromagnetic

Question 72

Which of the following is TRUE about waves and energy?

Answer 72

Waves are carried by a medium and energy is transferred