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Science Exam Review Gr.10 Flashcards | StudBud
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Science Exam Review Gr.10
Science Exam Review Gr.10
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1
During what phase of Mitosis does Cytokenisis begin?
Anaphase
Prophase
Metaphase
Telophase
2
What element does Hg stand for and what is the charge(s)?
Magnesium +1/+2
Mercury +2
Magnesium +2
Mercury +1/+2
3
What does the Law of Conservation of Mass state?
Mass of product is equal to the mass of reactants
Mass cannot be created or destroyed
Not all objects have a mass
Everything has a mass
4
What is the function of DNA?
To tell the cell how to make protein
To make sure the nucleus doesn't make a mistake
To carry genetic information
To be lonely
5
During what phase of Mitosis do chromosomes first become visible?
Anaphase
Telophase
Interphase
Prophase
6
Which is NOT an organ/structure in the respiratory system?
Colon
Trachea
Epiglottis
Pharynx
7
What does the 'N' stand for in the formula n=c/v
Speed of light in a vacuum
Speed of light in a given medium
Index of refraction
8
How many valence electrons does Oxygen have?
2
7
6
4
9
What is the acronym to know if something is considered to be living?
DR FLOWR
MRS GREN
DR MRS VANDERTRAMP
MR LAMP
10
What happens during telophase?
Cell plate or cell wall forms
Chromosomes uncoil to form chromatin
Centromeres break and chromatids are seperated
Cell splits into two
11
What is incandescence?
Light emitted from an object that hasn't been heated
Light emitted from a hot object
12
What is the issue "Myopia"?
Near sightedness
Cornea is incorrect shape
Far sightedness
Ciliary muscles lose elasticity
13
What is the order of the stages during Mitosis?
MAPIT
IPMAT
TAMIP
PITMA
14
What is the name of Na2O?
Sodium oxygen
Sodium oxide
Sodium (II) oxide
Sodium (II) oxygen
15
If light slows down when it hits a medium, what will happen to the refracted ray?
It will stay the same
It will not refract
It will bend away from the normal
It will bend towards the normal
16
Cell specialization is...
The STAGE of development during which specialization occurs
the PROCESS by which cells develop their specific function
17
When is the prefix system used to name compounds?
When it is a Ionic compound
When it is a Molecular compound
There is no prefix system
When it is a Covalent compound
18
What is a type of embryonic stem cells?
Eukaryotic cells
Mesenchymal cells
Pluripotent cells
Totipotent cells
19
Which protein is located in hair?
Hemoglobin
Insulin
Collagen
Keratin
20
What is the complimentary strand to: TTGAAC?
AACTTG
GGACCT
CCAGGT
AATCCG
21
What is an example of chemiluminescence?
Glow sticks
Highlighter ink
Sun
Fireflies
22
What happens during Interphase?
Cell forms "sister chromatids"
Cell duplicates genetic information
Cell takes in nutrients
Spindle fibers attach to centromere
23
What is the beginning of the hierarchy of organization?
Tissues
Organism
Organs
Cells
24
Metals tend to ..... electrons
Share
Gain
Not change
Lose
25
What is the prefix for 9?
Penta
Tetra
Hepta
Nona
26
Which is NOT an organ/structure in the Circulatory system?
Arteries
Lungs
Heart
Veins
27
What element does H stand for and what is the charge?
Hydrogen -1/+1
Helium -1/+1
Helium +2
Hydrogen +2
28
Where are protons located in an atom?
In the nucleus
They are not part of an atom
Orbiting the nucleus
I'm not sure
29
Which is NOT a clue that a chemical change has occurred?
Change in shape
A precipitate is formed
Colour change
Heat given off
30
When are Roman Numerals used in the names of compounds?
They aren't used
When there are more than 2 possible charges
Only when they are polyatomic ions
They are used all the time
31
What does the Cell Theory NOT state?
Cells are living things
All living things are made of cells
Cells are the smallest living thing
All cells come from othex cells
32
Where are proteins secreted?
Vesticles
Golgi Apparatus
Endoplasmic reticulum
Nucleus
33
What charge do Electrons have?
Neutral
I'm not sure
Positive
Negative
34
What are ionic compounds?
Non-Metal and Non-Metal
Metal and Metal
Metal and Non-Metal
Non-Metal
35
How many chromosomes does a human have?
23
46
6
78
36
What does WHMIS stand for?
Workplace Hazardous Machine Information System
Working Hazardous Investigation System
Warning Hazardous Material Innovation System
Workplace Hazardous Material Information System
37
What does HHPS stand for?
Health Hazardous Product System
Hazardous Household Product Symbols
House Help Poison Solutions
Health Help Product Symbols
38
How do you find the number of neutrons in an atom?
atomic number + mass number
mass number - atomic number
mass number
atomic number
39
What lenses did Galileo's telescope design use?
Concave and plane mirror
Two concave
Two convex
Concave and convex
40
What is the endings for ionic compounds?
ide
ude
ate
ore
41
Which is NOT an organ/structure in the Digestive system?
Pancreas
Liver
Stomach
Kidney
42
What does the liver do?
Produces insulin which controls blood sugar levels
Fats and proteins are digested
Stores feces until elimination
Produces bile to help break down fats
43
What is the function of centrioles?
to produce spindle fibers
to hold chromosomes together when they line up in the middle
to cause the cell wall to dissolve while mitosis occurs
to package and store proteins until needed
44
Which group is most reactant?
Alkaline earth metals
Halogens
Alkali metals
Noble gasses
45
What pigment absorbs the colour green?
Cyan
Yellow
Blue
Magenta
46
What are negatively charged ions are called?
Trions
Anions
Cations
Darions
47
What is a compound?
Can be broken down
Cannot be broken down futhur
A pure substance
A mixture
