IIT JEE Practice Question and Answer
8Q: The ratio of the angles of a triangle is 3 : 4 : 5. The three angles of a quadrilateral is equal to three angles of this triangle. What is the sum of the largest angle and second smallest angle of the quadrilateral ? 1350 05b5cc6cae4d2b4197774dfd9
5b5cc6cae4d2b4197774dfd9- 1225 degtrue
- 2210 degfalse
- 3205 degfalse
- 4245 degfalse
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Answer : 1. "225 deg"
Explanation :
Answer: A) 225 deg Explanation: Angle of triangle = 180 × 3/12 = 45 deg Other angles of the triangle are = 60 deg, 75 deg Angle of quadrilateral = 360 - (45 + 60 + 75) = 180 deg Therefore, the four angles of the quadrilateral are 45, 60, 75 & 180 degrees. Hence, the sum of largest and smallest angle of the quadrilateral are 180 + 45 = 225 deg.
Q: What kind of apple isn't an apple? 1350 05b5cc6a5e4d2b4197774cccb
5b5cc6a5e4d2b4197774cccb- 1Pineappletrue
- 2Akero applefalse
- 3Adanac applefalse
- 4Aceymac applefalse
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Answer : 1. "Pineapple"
Explanation :
Answer: A) Pineapple Explanation: Except pineapple remaining all three are types of apples. Pineapple is what kind of apple isn't an apple.
Q: Hormones are chemicals secreted and regulated by the endocrine system. 1350 05b5cc678e4d2b4197774c15d
5b5cc678e4d2b4197774c15d- 1TRUEtrue
- 2FALSE Answer & Explanation Answer:false
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Answer : 1. "TRUE"
Explanation :
Answer: A) TRUE Explanation: True. Hormones are chemicals secreted and regulated by the endocrine system.
Q: What number missed in the given Number Series ? 1349 05b5cc6d1e4d2b4197774e3f7
5b5cc6d1e4d2b4197774e3f7- 115true
- 213false
- 321false
- 416false
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Answer : 1. "15"
Explanation :
Answer: A) 15 Explanation: Two series alternate here, with every third number following a different pattern.In the main series, 4 is added to each number to arrive the next.In alternate series, 5 is subtracted from each number t arrive the next number.Here in the main series 3 + 4 = 77 + 4 = 1111 + 4 = 1515 + 4 = 19 In alternate series 24 - 5 = 1919 - 5 = 14...
Q: Most Explosive Type of Volcano is 1349 05b5cc6b2e4d2b4197774d379
5b5cc6b2e4d2b4197774d379- 1The Cinder Conefalse
- 2Rhyolite caldera complexestrue
- 3Shield Volcanoesfalse
- 4The Basault Volcanoesfalse
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Answer : 2. "Rhyolite caldera complexes"
Explanation :
Answer: B) Rhyolite caldera complexes Explanation:
Q: What is the difference between Thermal Energy and Heat Energy? 1349 05b5cc6bce4d2b4197774d890
5b5cc6bce4d2b4197774d890- Show AnswerHide Answer
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Answer :
Explanation :
Energy tranfer takes place either by means of Heat or Work only in Thermodynamics. Heat :: Heat Energy is defined as Energy that can be transferred due to temperature change. Whereas Thermal Energy :: Thermal Energy is the Internal Energy stored in the system maintained at a certain Temperature.
Q: What natural factors contribute to global climate? 1349 05b5cc62fe4d2b4197774b988
5b5cc62fe4d2b4197774b988- 1Forest Firesfalse
- 2Solar Activityfalse
- 3Melting Permafrostfalse
- 4All the abovetrue
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Answer : 4. "All the above"
Explanation :
Answer: D) All the above Explanation: Global warming is the increase in the earth’s average temperature due to release of several greenhouse gases to the atmosphere by humans. Global warming is affecting many parts of the world. Natural Causes include : 1. Solar Activity 2. Melting Permafrost 3. Forest Fires Human made causes include : 1. Deforestation 2. Overpopulation 3. Landfills 4. Mining 5. Fertilizer Use
Q: Which of the following is present in a prokaryotic cell? 1348 05b5cc6a4e4d2b4197774cc90
5b5cc6a4e4d2b4197774cc90- 1Ribosomestrue
- 2Chloroplastfalse
- 3Mitochondriafalse
- 4Nonefalse
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Answer : 1. "Ribosomes"
Explanation :
Answer: A) Ribosomes Explanation: Ribosomes are present in prokaryotic cells. These are organelles which consist of two subunits. They are present in both Eukaryotic and Prokaryotic cells. They are made up of RNA and proteins and present in the cytoplasm and on the membranes and are involved in protein synthesis.

