Science And Technology - MCQ Online Test (2)


25 Questions MCQ Test General Science(Prelims) by IRS Divey Sethi | Science And Technology - MCQ Online Test (2)


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This mock test of Science And Technology - MCQ Online Test (2) for UPSC helps you for every UPSC entrance exam. This contains 25 Multiple Choice Questions for UPSC Science And Technology - MCQ Online Test (2) (mcq) to study with solutions a complete question bank. The solved questions answers in this Science And Technology - MCQ Online Test (2) quiz give you a good mix of easy questions and tough questions. UPSC students definitely take this Science And Technology - MCQ Online Test (2) exercise for a better result in the exam. You can find other Science And Technology - MCQ Online Test (2) extra questions, long questions & short questions for UPSC on EduRev as well by searching above.
QUESTION: 1

What is Japanese Encephalitis ?

Solution:

Answer: (a)
Explanation: Encephalitis is an inflammation of the brain. Japanese encephalitis is a disease caused by the mosquito-borne Japanese encephalitis virus. The Japanese encephalitis virus is a virus from the family Flaviviridae. Domestic pigs and wild birds (especially herons) are reservoirs of the virus; transmission to humans may cause severe symptoms. The symptoms include high fever, headache, vomiting, confusion and, in severe cases, seizures, paralysis and coma. The disease can result in brain damage. Children and elderly people are especially at risk of developing a severe form of encephalitis. Mortality of this disease varies but is generally much higher in children.

QUESTION: 2

Which of the following is not a life-style disease?

Solution:

Answer: (c)

Explanation:  A disease associated with the way a person or group of people lives. Common lifestyle diseases include heart disease, cancer, Alzheimer’s disease, asthma, chronic liver disease, COPD, diabetes, stroke and osteoporosis. The risk of developing these diseases depend on a lot of factors including the type of work you do, your work environment, physical activity and your susceptibility to stress. Other contributing factors include poor posture, kind of foods you eat and poor sleeping habits.

QUESTION: 3

Consider the following statements

1.    ISRO built India's first satellite, Aryabhata.  
2.    Rohini became the first satellite to be placed in orbit by an Indian-made launch vehicle
3.    ISRO is the first Asian space agency to reach Mars orbit.

Which of the statements given above are correct?

Solution:

Ans: d

Explanation: ISRO built India's first satellite, Aryabhata, which was launched by the Soviet Union  in 1975. In 1980, Rohini became the first satellite to be placed in orbit by an Indian-made launch vehicle, SLV-3. On 5 November 2013, ISRO launched its Mars Orbiter Mission, which successfully entered the Mars orbit on 24 September 2014, making India the first nation to succeed on its maiden attempt, and ISRO the first Asian space agency to reach Mars orbit.

QUESTION: 4

Which of the following national missions is entrusted with Ministry of Science & Technology?

Solution:

Ans: c

Explanation: The Department of Science & Technology, Ministry of Science & Technology has been entrusted with the responsibility of coordinating two out of eight national missions launched under the National Action Plan on Climate Change (NAPCC). These are National Mission for Sustaining Himalayan Ecosystem (NMSHE) and National Mission on Strategic Knowledge for Climate Change (NMSKCC).

QUESTION: 5

Consider the following statements

1.    Nuclear power is the fourth-largest source of electricity in India after thermal, hydroelectric and renewable sources of electricity.

2.    Jaitapur Nuclear Power Project, if built, it would be the largest nuclear power generating station in the world by net electrical power rating.

Which of the statements given above are correct?

Solution:

Ans: c

Explanation: Nuclear power is the fourth-largest source of electricity in India after thermal, hydroelectric and renewable sources of electricity. Jaitapur Nuclear Power Project is a proposed project of Nuclear Power Corporation of India (NPCIL) in Ratnagiri district of Maharashtra. If built, it would be the largest nuclear power generating station in the world by net electrical power rating

QUESTION: 6

What is Nuclear transmutation?

Solution:

Ans: a

Explanation: Nuclear transmutation is the conversion of one chemical element or isotope into another. In other words, atoms of one element can be changed into atoms of another element through nuclear reactions or through radioactive decay.

QUESTION: 7

Consider the following statements

1.    Thirty Meter Telescope will be the largest of the existing and announced extremely large telescopes (ELT).

2.    The TMT will enable scientists to study fainter objects far away from earth providing information about early stages of the evolution of the universe.

3.    India is also a partner in the project.

Which of the statements given above are correct?

Solution:

Ans: b

Explanation: Thirty Meter Telescope will be the second largest of the existing and announced extremely large telescopes (ELT) which is under construction on Mauna Kea in Hawaii. The TMT will enable scientists to study fainter objects far away from earth providing information about early stages of the evolution of the universe. As a founding member of the important international scientific project, India will be a 10 percent partner in the project and 70 percent of its contributions will be "in kind"

QUESTION: 8

What is the reason behind the naming of ‘Ebola Disease’?

Solution:

Ans: a

Explanation: It’s called “Ebola” because first cases reported near Ebola River in Congo back in mid 70s. Ebola virus causes hemorrhagic fever. Symptoms include fever, gum-bleeding, nose-bleeding, red spots on body, blood in stool and vomit.

QUESTION: 9

Consider the following statements

1. Sickle Cell Anemia is a viral disease 
2. In this diseases body produces sickle shaped Red Blood Cells (RBCs).
3. These RBCs have abnormal life cycle and oxygen carrying capacity etc.

Which of the statements given above are correct?

Solution:

Ans: c

Explanation: Sickle Cell Anemia is a hereditary disease. Normal Red blood corpuscles (RBCs) have disk/donut shape. But in this disease, body produces sickle shaped Red Blood Cells (RBCs). These RBCs have abnormal life cycle, oxygen carrying capacity etc

QUESTION: 10

  BRCA1 and BRCA2 are human genes used for diagnosing

Solution:

Ans: d

Explanation: BRCA1 and BRCA2 are human genes used for diagnosing breast and ovarian cancers. If a woman has mutation in BRCA1 and BRCA2, she has a higher risk of breast/ovarian cancer

QUESTION: 11

 JEEV is India’s first vaccine for

Solution:

Ans: b

Explanation: JEEV is India’s first indigenous vaccine for Japanese Encephalitis launched by Biological E. Ltd. JEEV is a second generation inactivated vaccine. Japanese encephalitis is an inflammation of the brain tissue. It is caused due to infection caused by a mosquito bite, which carries the virus. At present, there is no strong anti-viral therapy. Vaccination is considered the most effective weapon. According to the WHO, about 15,000 people die annually due to the after-effects of Japanese encephalitis.

QUESTION: 12

Tamiflu is an anti-viral disease used to treat

Solution:

Ans: a

Explanation: Tamiflu (oseltamivir) is an antiviral medication used to treat Swine flu.

QUESTION: 13

A particular molecule of carbon made up of sixty carbon atoms has received some press as a structure that shows promise as a basic building block in the area of molecular manufacturing. What is the whimsical nontechnical name for these molecules?

Solution:
QUESTION: 14

What is the general name for the class of structures made of rolled up carbon lattices?

Solution:
QUESTION: 15

Nano, as a prefix, denotes what order of magnitude?

Solution:
QUESTION: 16

What is the term used in the field of nanotechnology to describe an as-yet theoretical device that "will be able to bond atoms together in virtually any stable pattern?"

Solution:
QUESTION: 17

In discussions of the potential of molecular nanotechnology, the possibility has been posited that badly or maliciously designed self-assembling structures could get out of control, and destroy or disassemble all structures they encounter in their blind quest to replicate. What is the term for such a structure or group of structures?

Solution:
QUESTION: 18

Which of the following is/are true about CERN?

1) CERN is the acronym of European Organization for Nuclear Research in Italian Language.
2) CERN was fouded in 1954.
3) It is located at Geneva.

choose from the codes below:

Solution:

Answer: (b)

Explanation - CERN is the acronym in french language.

QUESTION: 19

Which of the following statement is/are false?
1) Cryonics is the preservation of humans and animals.
2) Cryotronics is the practical application of cryoelectronics.
3) Liquid hydrogen is used as a cryogenic fuel.
4) Cryoelectronics is the field of research regarding super conductivity at low temperature.

choose from the codes below:

Solution:
QUESTION: 20

Which of the following is/are true about LiDAR?

1) LiDAR stands for Light Detection and Ranging.
2) It uses laser pulses to determine distant object.
3) In Military, it is also known as Laser Detection and Ranging.

choose from the codes below:

Solution:
QUESTION: 21

Which of the statement is/are true about MAGLEV Technology?

1) It is Magnetic Suspension technology to keep object suspended with no support.
2) This technology is used in planes and ships.

Solution:
QUESTION: 22

Which of the following statements is/are false about Supermoon?

1) It is a phenomenon occuring when full moon or new moon at apogee.
2) Full moon in case of supermoon is 12% larger and brighter than an average full moon.

choose from the codes below:

Solution:

Answer - (a)

Explaination - This phenomenon occurs at perigee, when moon is closest to Earth.

QUESTION: 23

 Which of the following is true about Cobalt-60 ?

1) It is a natural isotope of cobalt.
2) It has very short half-life period of 5.27 years.
3) It is used in medical radio-therapy.

choose from the codes below:

Solution:

 Answer: (b)

Explaination - It is artificially created isotope of cobalt.

QUESTION: 24

Which of the following is false about coal-bed methane?

1) It is a natural gas.
2) It is an artifical gas produced while extracting coal.
3) It is also called "Sweet Gas".

Choose from the codes below:

Solution:
QUESTION: 25

Which of the following disease has been completely eradicated from Earth?

1) Rinderpest
2) Small Pox
3) Polio

Choose from the codes below:

Solution:

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