Quiz : Best NTSE Quiz
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Which of the following statement is not true ?
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Like poles repel.
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Unlike poles attract
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Magnetism is lost on falling the magnet
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On breaking the magnet, the magnetism of its pieces vanish.
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- 2.
Ordinary Name Formula (a) Caustic potash (i) NaCl (b) Baking soda (ii) KOH (c) Washing soda (iii) Na2CO3.10H2O (d) Ordinary salt (iv) NaHCO3 Some combinations between ordinary name and their chemical formula are given. Which alternative have the correct pairs ?
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(a) - (i), (b) - (ii), (c) - (iv), d - (iii)
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(a) - (ii), (b) - (iv), (c) - (i), d - (iii)
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(a) - (ii), (b) - (iv), (c) - (iii), d - (i)
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(a) - (iii), (b) - (iv), (c) - (ii), d - (i)
Correct Answer
A. (a) - (ii), (b) - (iv), (c) - (iii), d - (i)Explanation
The correct pairs are: (a) - (ii), (b) - (iv), (c) - (iii), d - (i). This means that the chemical formula for caustic potash is KOH, the chemical formula for baking soda is NaHCO3, the chemical formula for washing soda is Na2CO3.10H2O, and the chemical formula for ordinary salt is NaCl.Rate this question:
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- 3.
Two numbers are respectively 25% and 40% less than a third number. What percent is the second of the first ?
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90%
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80%
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70%
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60%
Correct Answer
A. 80%Explanation
Let's assume the third number is 100. The first number would be 75 (25% less than 100) and the second number would be 60 (40% less than 100). To find what percent the second number is of the first number, we divide the second number by the first number and multiply by 100. So, (60/75) * 100 = 80%. Therefore, the second number is 80% of the first number.Rate this question:
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- 4.
Hibernation, migration of suitable places and insulation of the body by fur or feathers are characteristics of
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Polar animals
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Animals of temperate regions
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Animals of tropical regions
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Animals of equatorial regions.
Correct Answer
A. Polar animalsExplanation
The given characteristics of hibernation, migration to suitable places, and insulation of the body by fur or feathers are commonly observed in polar animals. These adaptations help them survive in extreme cold temperatures and harsh conditions of the polar regions. Hibernation allows them to conserve energy during long periods of scarce food availability, migration helps them find more favorable habitats, and insulation helps in retaining body heat. Therefore, the correct answer is polar animals.Rate this question:
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- 5.
The demarcation line between India and Pakistan is called –
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Red cliff line
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Mac Mohan line
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33rd Parallel
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None of these
Correct Answer
A. Red cliff lineExplanation
The demarcation line between India and Pakistan is called the Red Cliff line. This line was drawn after the partition of India in 1947 to separate the two countries. It was named after Sir Cyril Radcliffe, the chairman of the Boundary Commission, who was responsible for drawing the line. The Red Cliff line is also known as the Radcliffe line and it marks the border between the two nations.Rate this question:
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- 6.
BYDW, FUHS, JQLO, NMPK, ( ?)
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RITG
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RJGH
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IRGT
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HPIN
Correct Answer
A. RITGExplanation
The given sequence follows a pattern where each letter is shifted forward by one position in the alphabet. Starting with B, the next letter is C, then D, and so on. Therefore, the missing letter in the sequence would be the letter that comes after K, which is L. Hence, the correct answer is RITG.Rate this question:
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- 7.
Diamond and Graphite are __________.
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Allotropes
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Isotropes
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Isomers
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None of the above
Correct Answer
A. AllotropesExplanation
Diamond and graphite are allotropes. Allotropes are different forms of the same element that exist in the same physical state but have different structures and properties. In the case of carbon, diamond and graphite are both made up of carbon atoms, but they have different arrangements of these atoms, resulting in different properties. Diamond is a hard, transparent crystal, while graphite is a soft, black, and slippery material. Both diamond and graphite are examples of allotropes of carbon.Rate this question:
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- 8.
What is the cause of asthma?
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Infection of lungs
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Spasm in bronchial muscles
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Infection of trachea
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None of the above
Correct Answer
A. Spasm in bronchial musclesExplanation
Asthma is caused by the spasm or tightening of the muscles surrounding the airways in the lungs, known as the bronchial muscles. This spasm leads to the narrowing of the airways, making it difficult for air to pass through and causing symptoms such as wheezing, coughing, and shortness of breath. Infection of the lungs or trachea can contribute to asthma symptoms, but they are not the primary cause of asthma. Therefore, the correct answer is spasm in bronchial muscles.Rate this question:
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- 9.
Parkinsonism is a disease of ____________.
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Brain
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Kidney
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Heart
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None of the above
Correct Answer
A. BrainExplanation
Parkinsonism is a disease that primarily affects the brain. It is characterized by the degeneration of dopamine-producing cells in a specific region of the brain called the substantia nigra. This degeneration leads to a deficiency of dopamine, a neurotransmitter that plays a crucial role in coordinating movement. As a result, individuals with Parkinsonism experience symptoms such as tremors, stiffness, and difficulty with balance and coordination. The involvement of the brain in the disease process makes it the correct answer.Rate this question:
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- 10.
Which is not a synthetic fiber?
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Rayon
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Terylene
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Silk
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None of the above
Correct Answer
A. SilkExplanation
Silk is not a synthetic fiber because it is a natural fiber that is produced by silkworms. Synthetic fibers, on the other hand, are man-made and created through chemical processes. Rayon and Terylene are both examples of synthetic fibers, whereas silk is derived from the natural protein fibers produced by silkworms. Therefore, silk is not a synthetic fiber.Rate this question:
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Current Version
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Aug 27, 2023Quiz Edited by
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Aug 25, 2011Quiz Created by
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