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Tuesday, June 1, 2010
SCH 3U MC Posting
SCH 3U's - Post your MC Question as a comment on THIS post. Be sure you have 5 choices for your one question and indicate who you are in some way.
What is Pixie Dust? a) MINERALS ADDED TO SYNCHRONIZE THE TASTE OF BOTTLED WATER FROM EACH COMPANY b) Magical dust produced by pixies c) Flavouring added to enhance the taste of bottled water d) Harmful bacteria that is removed from bottled water e) None of the above
A leachate can be dangerous because: (1) It can realese some dangerouse gasses to the atmosphere. (2) It effects the Nervous system. (3) IT CAN CONTAMENAT THE UNDERGROUND WATER. (4) 1 and 2. ( 5) non of the above.
Aspartame is made by the bonding of the following amino acids:
(A) Threonine and Methionine (B) Phenylalanine and Asparagine (C) PHENYLALANINE AND ASPARTIC ACID (D) Phenylalanine and Alanine (E) Threonine and Leucine
Teflon (nonstick cookware) is harmful to human heath as it:
A) PRODUCES 15 TYPES OF TOXIC GASES AND AIRBORNE PARTICLES WHEN HIGHLY HEATED. B)eliminates vegetable oils and animal fats. C)causes Teflon toxicosis which eventually leads to death. D) A and C E)choke hazard due to the material being soft and easily broken apart
Bispenol-A is considered what? a. A SYNTHETIC ESTROGEN b. a polycarbonate plastic c. two phenol a's c. a disease that affects 95% of Americans d. A group of hormones including estrone (E1), estradiol (E2) and estriol (E3).
29 comments:
What is DEET?
(1) An edible type of insect
(2) N,N-Diethyl-meta-tolbutamide
(3) A powerful insect killing spray
(4) A PESTICIDE
(5) All the above
M.Jean
Which of the following is NOT right?
① Nitrite is harmless, but it can convert to nitrate, which can form nitrosamines, a powerful cancer-causing chemical.
② As food containing nitrates, such as preserved meats like hotdogs and bacon, are good nutritional choices.
③ Because green leafy vegetables are high nitrate, and it may cause cancer, we should not eat them.
a. ① b. ②③ c. ①③ D. ①②③ e. ①②
Superconductors can be formed from the use of a powerful furnace where metals and ceramics can be melted by _____.
A) Electric arcs
B) Intense radio waves
C) Super hot light beams
D) All of the above
E) A wizard
What measurements of pollutants are included in the "Impact of Air Pollution on Windsor Children" study?
A) NITROGEN DIOXIDE, SULPHUR DIOXIDE, VOLATILE ORGANIC COMPOUNDS, ELEMENTAL CARBON, POLYAROMATIC HYDROCARBONS, AND ACID VAPOUR
B) Carbon dioxide, Oxygen, Hydrochloric acid and hydrogen
C) Water
D) Particulate matter, acid vapour, ozone and nitrates
E) All of the above
Taylor Smith's presentation question:
Dr. Harold Jennings earned international respect with the development of a vaccine for which bacterial disease?
a) Meningitis group A
b) Meningitis group B
c) Meningitis group C
d) Group B Streptococcus
e) Type B haemophilus influenzae
What did F Kenneth Hare believe was the most urgent environmental challenge facing Canada?
A) atmospheric carbon dioxide
B) acid rain
C) climate
D) waste management
E) CONSUMPTION OF FOSSIL FUELS
What is Pixie Dust?
a) MINERALS ADDED TO SYNCHRONIZE THE TASTE OF BOTTLED WATER FROM EACH COMPANY
b) Magical dust produced by pixies
c) Flavouring added to enhance the taste of bottled water
d) Harmful bacteria that is removed from bottled water
e) None of the above
What is the role of nylon fibres?
A) Produces Freon gas
B) THERMAL RESISTANCE
C) Creates hazardous gases
D) Produces phosgene gas (COCl2)
E) A and D
What is the key role of Estrogen?
a) To be used as birth control pill
b) FOR HUMAN REPRODUCTION AND
DEVELOPMENT
c) Important for male
d) A type of organ in the human
body
e) May affect fish population
Which of these patients is readily at risks of exposure of compact
fluorescent lighting(CFLs)?
a) LUPUS(Epilepsy)
b) Cancer
c) Migraines
d) pregnant ladies
e) None of the above
What is the Advantage of scrrubbers?
a)corrosion problem
b)High power
c)collect particle
D)collect both gases and particle
e) A and c
A leachate can be dangerous because:
(1) It can realese some dangerouse gasses to the atmosphere.
(2) It effects the Nervous system.
(3) IT CAN CONTAMENAT THE UNDERGROUND WATER.
(4) 1 and 2.
( 5) non of the above.
What does PET stands for?
a. Polyethylene tetra-hydrate
b. Positron emission tomography
C. Polyethylene teterpthelete
d. POLYETHYLENE TEREPHTHALATE
e. None of the above
What is the Area Sources of Mercury in Water System?
(1) Coal Fired Power Generations
(2) Volcanoes
(3) Industries Processes
(4) Cananabar(ore)
(5) Manufacture of Metals
Aspartame is made by the bonding of the following amino acids:
(A) Threonine and Methionine
(B) Phenylalanine and Asparagine
(C) PHENYLALANINE AND ASPARTIC ACID
(D) Phenylalanine and Alanine
(E) Threonine and Leucine
Teflon (nonstick cookware) is harmful to human heath as it:
A) PRODUCES 15 TYPES OF TOXIC GASES AND AIRBORNE PARTICLES WHEN HIGHLY HEATED.
B)eliminates vegetable oils and animal fats.
C)causes Teflon toxicosis which eventually leads to death.
D) A and C
E)choke hazard due to the material being soft and easily broken apart
Which plastic code is BPA found in ?
(a) plastic code 5
(b) plastic code 6
(c) plastic code 1
(d) PLASTIC CODE 7
(e) a,c only
The importance of correct measurements are...
(A) To tell how things are going to work/fit together.
(B) The Carpenter's Rule: Measure twice, cut once.
(C) TO ACQUIRE ACCURATE AND SUCCESSFUL RESULTS WITH MINIMUM AMOUNT OF SIDE AFFECTS.
(D) To tell how much baking powder and salt is needed in a cake.
(E) A measuring cup.
In what three ways plastic effect our health?
(1)BREST CANCER,INFERTILITY, PROSTATE GROWTH
(2)Chromosome and egg damage, Headache, Brest cancer
(3)Skin cancer, infertility, blindness
(4)Brain cancer, hearing loss, kidney diseases
(5)None of the above
which of the following harms the environment ?
(1) Inorganic fertilizers
(2) Organic fertilizers
(3) Irrigation systems
(4) Non of the above
(5) 1, 2 and 3
The answer is 5
What is the Area Sources of Mercury in Water System?
(1) Coal Fired Power Generations
(2) Volcanoes
(3) Industries Processes
(4) Cananabar(ore)
(5) Manufacture of Metals
June 2, 2010 6:20 PM
What two simple sugars combine to make common sugar?
a) Fructose + Lactose
b) Lactose + Glucose
c) Sucrose + Fructose
D) GLUCOSE + FRUCTOSE
e) Lactose + Sucrose
Which of the chemicals can be found in chickens?
A) phlpm
b) arsenic
c)cow products
d) ---[a & b]---
e) none of the above
Bispenol-A is considered what?
a. A SYNTHETIC ESTROGEN
b. a polycarbonate plastic
c. two phenol a's
c. a disease that affects 95% of Americans
d. A group of hormones including estrone (E1), estradiol (E2) and estriol (E3).
What was Edgar Steacie's Major contribution to treating cancer?
A) lysine
B) Metallic Magnesium
C) The Cobalt Bomb(right answer)
D) betulinic acid
E) Salt
What is wastewater ?
a. Any water that has been adversely affected in quality by human influence.
b. Water that is wasted and never used again
c. Water that contains pharmaceuticals and chemicals befor being treated
d. both a and c
e. BOTH A AND C
David McDuffie
What type of chemical dispersal is used for level 2/3 oil spills?
a) Accepta 3538
b) ACCEPTA 3549
c) Corexit 9500
d) Non of the Above
e) a, c
- Ahmad Ahmad Shah
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