IIT JEE Practice Question and Answer
8Q: The basic unit of the nervous system is the 1419 05b5cc6a6e4d2b4197774cdbb
5b5cc6a6e4d2b4197774cdbb- 1Lymphsfalse
- 2Nephronsfalse
- 3Nervesfalse
- 4Neuronstrue
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Answer : 4. "Neurons"
Explanation :
Answer: D) Neurons Explanation: The basic unit of the nervous system is the Neurons. The neuron is a single nerve cell, and you have billions of them. There are three basic types of neurons:: 1. Association, 2. Afferent and 3. Efferent. The association neurons comprise the central nervous system (CNS) that is the brain and spinal cord. The afferent neurons are also known as the sensory neurons, they bring the stimuli from the sensors (e.g., skin, eyes, ears) to the CNS. The efferent neurons are also known as motor neurons, they bring the responses from the brain to the muscles and the glands.
Q: The Largest country of the World by Geographical Area is 1419 05b5cc6aee4d2b4197774d14e
5b5cc6aee4d2b4197774d14e- 1Chinafalse
- 2United States of Americafalse
- 3Russiatrue
- 4Australiafalse
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Answer : 3. "Russia"
Explanation :
Answer: C) Russia Explanation: Russia is the Largest country of the World by Geographical Area. Top 10 largest countries of the World : 1. Russia 2. Canada 3. United States of America 4. China 5. Brazil 6. Australia 7. India 8. Argentina 9. Kazakhstan 10. Algeria When all 10 of the world's largest countries are taken together, they total 49% of the earth's entire 149 million square kilometres of land.
Q: What is the value of 28 tens? 1419 05b5cc62ce4d2b4197774b90d
5b5cc62ce4d2b4197774b90d- 128false
- 22false
- 32800false
- 4280true
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Answer : 4. "280"
Explanation :
Answer: D) 280 Explanation: Here asked for the value of 28 tens => 28 x 10 = 280.
Q: About 4 out of 5 students are left handed. If there are totally 40 students in an class. How many would be left handed ? 1418 05b5cc705e4d2b4197774f220
5b5cc705e4d2b4197774f220- 140false
- 245false
- 332true
- 430false
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Answer : 3. "32"
Explanation :
Answer: C) 32 Explanation: Probability of left handed = 4/5total student = 40total left handed = 40 x(4/5)= 32
Q: Internet was started in India on ? 1418 05b5cc6c8e4d2b4197774def1
5b5cc6c8e4d2b4197774def1- 18 August,1994false
- 215 August,1995true
- 39 August,1995false
- 47 August,1996false
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Answer : 2. "15 August,1995"
Explanation :
Answer: B) 15 August,1995 Explanation:
Q: Crack the Relation Logical Puzzle ? 1418 05b5cc6cee4d2b4197774e29d
5b5cc6cee4d2b4197774e29d- 1Sonfalse
- 2Himselffalse
- 3Fathertrue
- 4Unclefalse
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Answer : 3. "Father"
Explanation :
Answer: C) Father Explanation: Man's Father is Madhu's Father's Son => Madhu itself. So the Man in the photograph is Madhu's son.
Q: At what rate percent on simple interest will Rs.415 amount to Rs.514 in 4 years ? 1418 05b5cc6d6e4d2b4197774e656
5b5cc6d6e4d2b4197774e656- 14.58 %false
- 25.96 %true
- 36.52 %false
- 44.98 %false
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Answer : 2. "5.96 %"
Explanation :
Answer: B) 5.96 % Explanation: Difference in amount = 514 - 415 = 99 99 = (415 x 4 x R)/100 R = 5.96%
Q: A merchant commences with a certain capital and gains annually at the rate of 30 per cent. At the end of 2 years he has worth Rs 10,000. What was the original capital? 1418 05b5cc6abe4d2b4197774cfb2
5b5cc6abe4d2b4197774cfb2- 1Rs. 4987false
- 2Rs. 5148false
- 3Rs. 5917true
- 4Rs. 6254false
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Answer : 3. "Rs. 5917"
Explanation :
Answer: C) Rs. 5917 Explanation: Let the Original capital amount be Rs. P Given after 2 years the amount is Rs. 10000 Rate of interest = 30% According to the question, P x 130100 x 130100 = 10000=> P = 1000000169 = 5917 Therefore, the capital amount P = Rs. 5917

