GATE Practice Question and Answer
8Q: Buoyancy depends on 1745 05b5cc6b3e4d2b4197774d3f8
5b5cc6b3e4d2b4197774d3f8- 1the mass of the liquid displacedtrue
- 2the mass of the bodyfalse
- 3the depth to which the body is immersedfalse
- 4the shaped of the bodyfalse
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Answer : 1. "the mass of the liquid displaced"
Explanation :
Answer: A) the mass of the liquid displaced Explanation: Buoyancy or Upthrust, is an upward force exerted by a fluid that opposes the weight of an immersed object. In a column of fluid, pressure increases with depth as a result of the weight of the overlying fluid.
Q: Write 0.125 as a percent %? 1744 05b5cc6b3e4d2b4197774d42d
5b5cc6b3e4d2b4197774d42d- 112%false
- 212.5%true
- 313%false
- 413.5%false
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Answer : 2. "12.5%"
Explanation :
Answer: B) 12.5% Explanation: Here to convert 0.125 into % First convert to fractio Multiply and divide by 1000 => 0.125 x 10001000 = 1251000 = 18 => Now, in percentage18 x 100 = 12.5%
Q: What has a head and a tail but nobody? 1742 05b5cc666e4d2b4197774bec5
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Answer :
Explanation :
A Coin has a Head and tail but no body. Since the two sides of coin are called as heads and tails.
Q: If L exceeds K by 30%, then K is less than L by ? 1742 05b5cc6f8e4d2b4197774f05e
5b5cc6f8e4d2b4197774f05e- 114 2/5 %false
- 223 1/3 %true
- 320 %false
- 416 %false
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Answer : 2. "23 1/3 %"
Explanation :
Answer: B) 23 1/3 % Explanation: K = 100 L = 130130------ 30100------- ? => 23 1/13 %
Q: photosynthesis takes place faster in 1742 05b5cc69ee4d2b4197774c980
5b5cc69ee4d2b4197774c980- 1darknessfalse
- 2red lightfalse
- 3white lighttrue
- 4yellow lightfalse
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Answer : 3. "white light"
Explanation :
Answer: C) white light Explanation: As far as the rate of photosynthesis is concerned, it is fastest in white light making the rate of photosynthesis maximum. After White, We Have Violet Light Where Photosynthesis Occur To A Higher Extent as It Has The Shortest Wavelength Hence Has The Max Energy. So The Order Is :: white>violet>blue.
Q: How does molecular shape affect polarity? 1742 05b5cc6ade4d2b4197774d0f3
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Answer :
Explanation :
Polarity :: The polarity of a molecule defines its other physical properties such as melting point, boiling point, surface tension, vapor pressure etc... Simply, polarity occurs when the electron distribution in a molecule is asymmetric. This results in a net dipole moment in the molecule. One end of the molecule is charged negative while the other gets a positive charge. The polarization of a molecule greatly depends on the shape of the molecule. A diatomic molecule like HF mentioned above has no issue of shape. The net dipole moment is only due to the uneven distribution of electrons between the two atoms. However, when there are more than two atoms involved in making a bond, there are many complexities. The water molecule is of bent shape. Therefore, when the two pair of electrons shared by oxygen with two hydrogen atoms is pulled towards oxygen, the net dipole moment results in the direction of the oxygen atom. There is no other force to cancel out the resultant dipole moment. Hence, the water molecule is highly polar. Ammonia molecule is of a pyramid shape and the electronegative N atom pulls the electrons towards itself. The three N-H bonds are not in the same plane; hence the dipole moments created do not get canceled out. This makes ammonia a polar molecule. However, the dipole moments sometimes get canceled due to the shape of the molecules, making the molecule non-polar. Carbon dioxide is such a molecule.
Q: Find the odd one in the number series given below ? 17, 9, 10, 18.5, 35, 90 1741 05b5cc6c5e4d2b4197774dd91
5b5cc6c5e4d2b4197774dd91- 19false
- 210false
- 318.5true
- 490false
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Answer : 3. "18.5"
Explanation :
Answer: C) 18.5 Explanation: The given series pattern follows 17 9 10 18.5 35 90 × 0.5 + 0.5, × 1 + 1, × 1.5 + 1.5, × 2 + 2, × 2.5 + 2.5 So here 17x0.5 + 0.5 = 9 9x1 + 1 = 10 10x1.5 + 1.5 = 16.5 16.5x2 + 2 = 35 35x2.5 + 2.5 = 90 Here the odd man in the given series is 18.5
Q: Which of the Phrases (1), (2), (3) and (4) given below should replace the phrases printed in bold in the sentence to make it grammatically correct. They claim that their employees are highly committing and disciplined. 1740 05b5cc6cce4d2b4197774e12e
5b5cc6cce4d2b4197774e12e- 1Have been highly committedfalse
- 2Have high commitmentsfalse
- 3Are highly committedtrue
- 4No correction requiredfalse
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Answer : 3. "Are highly committed"
Explanation :
Answer: C) Are highly committed Explanation: As per the rule of adverb, the adverb is followed by the third form of verb.

