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WorksheetsSMC Fair Grade 9 W2 (Science Day)
Total questions: 15
Worksheet time: 8mins
The region in the chromosome where a specific gene is located is called?
centromere
nucleus
locus
chromatids
Which of the following plans of action would be most effective in solving the world's environmental problems ?
stop industrialization
reduce waste production
increase agricultural productivity
identify new energy sources
The lymphatic system does the following tasks except ?
transports white blood cells
transports red blood cells
transports fluid into the bloodstream
collects excess fluid from body tissues
Why is virus not a living organism?
It can never reproduce
It is not a complete cell
It does not contain a DNA
It is simpler than a bacteria
Ethyl alcohol freezes at -117oC, at one atmospheric pressure. Convert this temperature to the Fahrenheit scale.
-178.67oF
-178.7oF
-179oF
-170oF
In magma formation , what are the temperature and pressure requirements ?
low temperature and low pressure
high temperature and high pressure
low temperature and high pressure
high pressure and low temperature
What makes a fish appear larger when placed in a spherical fish bowl ?
Inside the focal point, the image is upright, virtual and unmagnified.
inside the focal point, the image is real, inverted and magnified.
Inside the focal point, the image is upright, virtual and magnified.
Inside the focal point, the image is real, enlarge and magnified.
The inner surface of the bronchi, bronchioles and fallopian tubes are lined by the?
cuboidal epithelium
ciliated epithelium
squamous epithelium
cuboidal epithelium
An ultrasonic generator sends 500,000 waves per second through the ocean, If each wave is 0.3 cm in length, what is the speed of sound in the ocean water?
15,000 m/sec
150,000 m/sec
1,500 m/sec
150 m/sec
The specific heat of wood is 0.42. What does this statement mean?
it expands 0.42 m/oC to absorb 1 calorie
it needs 0.42 m/oC
it needs 0.42oC to warm it by 1oC
none of the above
Albert Einstein had a massive influence on contemporary physics. What among hid study shifted contemporary understanding of space completely ?
(a)
An astronaut weighs 750 N on the surface of the earth. If he is in outer space with a location five times the radius of the Earth, what would be his new weight?
*do not include spaces, but include the unit (abbreviation only)
(a)
What is the exact speed of light in m/s?
*do not include spaces, but include the unit
(a)
A 60-kg woman is in an elevator cab whose upward acceleration is 2 m/s2. What force does she exert on the floor of the cab?
*do not include space, but include the unit (abbreviation only)
(a)
A car travels 22 km south, 12 km west and 14 km north in half an hour. The displacement of the car is?
*do not include spaces, but include the unit
(a)
