1 .
In which one among the following is the speed of sound maximum?
Answer & Explanation
Answer : Option D |
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Explanation : |
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Air at 0° - 331.5 m/s
Water at -1493 m/s
Wood at - 4500 m/s |
2 .
A married couple adopted a male child. A few years later, twin boys were born to them. The blood group of the couple is AB positive and O negative. The blood group of the three sons is A positive, B positive and O positive. The blood group of the adopted son is-
Answer & Explanation
Answer : Option A |
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Explanation : |
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The blood group of the parents are AB and O, the child's blood group may be A or B and since the boy is adopted and it is given in the question that the blood group of the three sons are A+, B+, O+ |
3 .
Which one of the following weather conditions is indicated by a sudden fall in barometer reading.
Answer & Explanation
Answer : Option A |
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Explanation : |
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In stormy weather condition the pressure of atmosphere varies, which causes sudden fall in barometer reading |
4 .
Which of these key is not on the number keypad?
Answer & Explanation
Answer : Option A |
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Explanation : |
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5 .
Under Digi-Dhan Vyapar Yojana which of the following medium is/are suitable for the transaction for merchants?
Answer & Explanation
Answer : Option D |
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Explanation : |
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The Union government has launched the Digi-Dhan Vyapar Yojana for Merchants and Lucky Grahak Yojana for Consumers in New Delhi. The purpose of the schemes is to encourage people to move towards digital transactions through the offer of incentives. Both the schemes will be implemented by National Payments Corporation of India (NPCI). For these schemes, only those transactions that take place through RuPay Cards, Unstructured Supplementary Service Data ( USSD), Uni f i ed Payment I nterf ace ( UPI ) and Aadhaar Enabled Payment System (AEPS) are el i gi bl e. The schemes has been launched with the first draw by the Minister for Electronics and Information Technology Ravi Shankar Prasad and Finance Minister Arun Jaitley on December 25th , 2016 |
6 .
Which one among the following is called philosopher's wool?
Answer & Explanation
Answer : Option C |
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Explanation : |
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Philosopher's wool is an oxide of zinc with a white powder used as a pigment, cosmetics, glass, inks and zinc ointment |
7 .
Which one of the following type of micro organisms is most widely used in industries?
Answer & Explanation
Answer : Option D |
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Explanation : |
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Bacteria, micro algae and fungi are most widely used in industries. Bacteria like Lactobacillus sp. is used in manufacturing of vinegar and alcohol by fermentation process.
Most of algae are used as single cell protein (i.e. Spirulina).
Different drugs like penicillin are manufactured from fungi Peni cill ium notatum |
8 .
Which of the following types is used by computed tomography employed for visualisation of the internal structure of human body?
Answer & Explanation
Answer : Option A |
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Explanation : |
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X-ray, computed tomography (CT) is a medical imaging method employing tomography created by computer processing. This technique is used to generate a three-dimensional image of the inside of an object. |
9 .
Which country will host Commonwealth Games in 2018?
Answer & Explanation
Answer : Option B |
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Explanation : |
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The XXI Commonwealth Games will be held in Gold Coast City, Queensland, Australia between 4th to 15 th April 2018. The Gol d Coast's creati ve concept i n the Ceremony brought to life the three brand pi l l ars of the Gol d Coast 2018 Commonwealth Games - 'The Place', 'The Event' and 'The Sport. NOTE: 22nd Commonwealth Games would be held from 18 th to 30 th July 2022. The opening ceremony will be held on the birth date of the late South African President and Antiapartheid leader Nelson Mandela |
10 .
Consider the following pairs:
1. Vitamin C
2. Vitamin D
3. Vitamin E
Which of the pairs given above is/ are correctly matched?
Answer & Explanation
Answer : Option A |
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Explanation : |
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Deficiency of vitamin C causes Scurvy, a disease of gums. Deficiency of vitamin D causes Rickets, a disease of bones and Deficiency of Vitamin A causes night blindness, a disease of eyes |
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