General Science Practice Question and Answer
8 4 Q:
5ee83caca08a50198d8d021d 4 Q:
5edefa608c4c964f73d37fc0 Answer : 3. "3.5%"
4 Q:
60363803e62cee435672f5ba Answer : 1. "Titanus"
4 Q:
5eeb1496eee45c3b837b0312 4 Q:
5f0ff47c4e2c7631e439119f 4 Q:
5ee85c07109b5d6e015e31ed 4 Q:
5ef431887c1ec61320b5ce2a 4
Q: The endoplasmic reticulum was discovered?
1865 05ee83caca08a50198d8d021d
5ee83caca08a50198d8d021d- 1Portertrue
- 2Darwinfalse
- 3Huxleyfalse
- 4Purkinjefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "Porter"
Q: The average salinity of sea water is
1856 05edefa608c4c964f73d37fc0
5edefa608c4c964f73d37fc0- 12%false
- 23%false
- 33.5%true
- 42.5%false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "3.5%"
Explanation :
The average salinity of sea water is 3.5% or 35 parts per thousand. In other words, for every 1 litre of sea water there is 35 grams of dissolved salts (NaCl) .
Q: Which of the following is a disease caused by bacteria?
1833 060363803e62cee435672f5ba
60363803e62cee435672f5ba- 1Titanustrue
- 2Malariafalse
- 3Poliomyelitisfalse
- 4Filariafalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "Titanus"
Explanation :
All of these diseases are caused by bacteria i.e. Pneumonia, Cholera, Tuberculosis. Cancer is caused by uncontrolled cell division. Pneumonia is caused by a bacterium Streptococcus pneumoniae. Cholera is caused by a bacterium Vibrio cholerae.
Q: Which of the following is the softest?
1829 05eeb1496eee45c3b837b0312
5eeb1496eee45c3b837b0312- 1Sodiumtrue
- 2Copperfalse
- 3Ironfalse
- 4Aluminumfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "Sodium"
Q: The velocity of sound in air is approx.
1822 15f0ff47c4e2c7631e439119f
5f0ff47c4e2c7631e439119f- 1340 m / sfalse
- 2330 m / strue
- 3110 m / sfalse
- 4232 m / sfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "330 m / s"
Q: Which of the following is false?
Sound waves are _________ waves.
1816 05ee85c07109b5d6e015e31ed
5ee85c07109b5d6e015e31edSound waves are _________ waves.
- 1Pressurefalse
- 2Longitudinaltrue
- 3Electromagneticfalse
- 4Mechanicalfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "Longitudinal"
Q: What is used of Capacitor in an electrical circuit?
1812 05ef431887c1ec61320b5ce2a
5ef431887c1ec61320b5ce2a- 1Step down voltagefalse
- 2Step up voltagefalse
- 3Store electric chargetrue
- 4Produce electric chargefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "Store electric charge"
Q: The element common to all acids is 1811 05edeface2fce215c8ec3bc2f
5edeface2fce215c8ec3bc2f- 1oxygenfalse
- 2hydrogentrue
- 3carbonfalse
- 4sulphurfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "hydrogen"
en17611popular