Quiz
Science Yearly
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Questions in this quiz (36)
1How fast you are moving is
- ASpeed
- BVelocity
- CAcceleration
2How fast you are moving in which direction is
- ASpeed
- BVelocity
- CInertia
- DAcceleration
3Change of speed or direction is
- AAcceleration
- BIntertia
- CVelocity
- DSpeed
4The tendency of an object to remain still or moving at a constant speed is [blank_start]intertia[blank_end]
- Aintertia
5A heavy and light object are dropped from the same height. Which object hits the floor first?
- AHeavy Object
- BLight Object
- CThey reach the floor at the same time
- DDepends on gravity
6The formula for speed is:
- AVelocity divided by acceleration
- BDistance divided by time
- CAcceleration divided by time
- DTime divided by acceleration
7You apply force on two objects. The second object is 4 times heavier. How does the second object accelerate compared to the first?
- AAccelerates 4 times greater
- BAccelerates 4 times less
- CAccelerates the same
- DStops altogether
8A force accelerates a mass of 2kg with an acceleration. If the same force is applied to mass 1kg, then the acceleration will be
- ADouble
- BHalf
- CThe Same
- DZero
9Difference Between Mass and Weight
Mass is the amount of [blank_start]matter[blank_end]. It does depend on [blank_start]gravity[blank_end]. Weight is a [blank_start]force[blank_end]. It is your mass times [blank_start]gravity[blank_end]. It is measures in [blank_start]Newtons[blank_end] (N).- ANewtons
- Bgravity
- Cforce
- Dgravity
- Ematter
10What is the mass number of an atom?
- AThe weight of the atom
- BNumber of compounds in the atom
- CLength of atom
- DNumber of protons + neutrons
11The atomic number of an atom is the number of [blank_start]protons[blank_end].
- Aprotons
12If the mass of C atom is 12 and O atom is 16, then the mass of carbon dioxide is [blank_start]44[blank_end].
- A44
13-The charge of a proton is [blank_start]+1[blank_end] and its mass is [blank_start]1[blank_end]
-The charge of a neutron is [blank_start]0[blank_end] and its mass is [blank_start]1[blank_end]
-The charge on an electron is [blank_start]-1[blank_end] and its mass is [blank_start]0[blank_end]- A+1
- B1
- C0
- D1
- E-1
- F0
14The mass number of aluminium is [blank_start]27[blank_end]
The atomic number of aluminium is [blank_start]13[blank_end]
The electron configuration of aluminium is [blank_start]2, 8, 3[blank_end]- A2, 8, 3
- B13
- C27
15Most of the volume of the atom is taken up by
- AThe nucleus
- BElectrons
- CEmpty space
- DMass number
16What is the name for similar atoms that have a different numbers of neutrons?
- AIons
- BIsotopes
- CMolecules
- DRadioactive atoms
17What is the correct statement to describe the difference between a sex cell and a normal cell?
- ANormal cells have 1/2 the chromosomes of a sex cell
- BNormal cells have the same number of chromosomes as sex cells
- CSex cells are produced by mitosis
- DSex cells have 1/2 the number of chromosomes of normal cells
18Genes are only found in some cells of the body
- ATrue
- BFalse
19A gene is a small piece of DNA
- ATrue
- BFalse
20Genes are found in the nucleus
- ATrue
- BFalse
21There are two different genes (alleles) for each characteristic
- ATrue
- BFalse
22The father of genetics is [blank_start]Gregor Mendel[blank_end]
- AGregor Mendel
23Phenotype is the appearance an individual has for a particular characteristic
- ATrue
- BFalse
24The last pair of chromosomes out of the [blank_start]23[blank_end] pairs found in human cells, are [blank_start]sex[blank_end] chromosomes. Males have the sex chromosomes [blank_start]XY[blank_end] and females have [blank_start]XX[blank_end]
- A23
- BXX
- CXY
- Dsex
25Genes are composed of [blank_start]DNA[blank_end]
- ADNA
26The scientists who discovered the shape of DNA to be a double helix were [blank_start]Crick[blank_end] and [blank_start]Watson[blank_end] (In alphabetical order).
- ACrick
- BWatson
27In biological terms, the organism that is most successful within its population is one that
- ACaptures the most food
- BProduces the most surviving offspring
- COccupies the most prosperous niche
- DGrows largest and fastest
28The theory of [blank_start]evolution[blank_end] states that [blank_start]organisms[blank_end] come from common [blank_start]ancestors[blank_end], small changes over time result in diversity of [blank_start]life[blank_end].
Word Bank: organisms, diversity, evolution, ancestors- Aorganisms
- Bancestors
- Clife
- Devolution
29Which of the following statements about mutations is false
- AMutations are changes to genes
- BMutations are always harmful to an organism and result in sickness or death
- CSome mutations result in changes that are beneficial to an organism
- DMutations to genes are not passed onto offspring
30According to Darwin's theory of evolution:
- AA population can change over time in response to environmental pressures
- BAn organism can evolve during its lifetime
- CAll organisms have an equal chance of producing offspring
- DAll organisms have an equal chance of surviving
31Which of the following statements is true
- ANatural selection occurs in opposition to evolution
- BNatural selection is a process whereby genes are selected randomly for preservation to the next generation.
- CNatural selection favours individuals that reproduce more than others
- DNatural selection can be used by farmers to generate organisms with desirable trains
32The process of promoting certain traits by breeding members with those traits is [blank_start]artificial[blank_end] selection
- Aartificial
33The two main components of natural selection are [blank_start]inheritance[blank_end] and [blank_start]variation[blank_end] (alphabetical)
- Ainheritance
- Bvariation
34Newton's First Law states that an object will remain at [blank_start]rest[blank_end] or in uniform motion in a straight line unless acted upon by an [blank_start]external force[blank_end]
Newton's Second Law states that [blank_start]acceleration[blank_end] is produced when a [blank_start]force[blank_end] acts on a [blank_start]mass[blank_end]. The greater the mass (of the object being accelerated) the greater the amount of [blank_start]force[blank_end] needed (to accelerate the object). The formula created from this was [blank_start]F=MA[blank_end]
Newton's third law states that for every [blank_start]action[blank_end], there is an [blank_start]equal[blank_end] and opposite [blank_start]reaction[blank_end]- Arest
- Bexternal force
- Cacceleration
- Dforce
- Emass
- Fforce
- GF=MA
- Haction
- Iequal
- Jreaction
35There are [blank_start]forty six[blank_end] chromosomes in a normal call for people
- Aforty six
36DNA stands for [blank_start]deoxyribonucleic[blank_end] acid
- Adeoxyribonucleic
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- briannamilburn
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- English
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