IIT JEE प्रश्न और उत्तर का अभ्यास करें
8प्र: Where does cellular respiration take place in the cell? 1505 05b5cc651e4d2b4197774bcf9
5b5cc651e4d2b4197774bcf9- 1cytoplasmfalse
- 2mitochodriatrue
- 3Ribosomesfalse
- 4Chromosomesfalse
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 2. "mitochodria"
व्याख्या :
Answer: B) mitochodria Explanation: Cellular repiration takes place in the mitochodria. There are 3 phases of cellular respiration. They are: 1. Glycolysis (Fermentation), 2. Krebs Cycle, and 3. Electron Transport. Glycolysis takes place in the cytoplasm. The Krebs cycle and electron transport takes place in the mitochondria.
प्र: Simplify 2392-21+8-72=?2 1505 05b5cc6b9e4d2b4197774d775
5b5cc6b9e4d2b4197774d775- 14false
- 25false
- 36true
- 49false
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 3. "6"
व्याख्या :
Answer: C) 6 Explanation: ?2 = 2×78-21+8+49-148= 57 - 21=36=> ? = ±6
प्र: What question can you never answer yes to? 1505 05b5cc619e4d2b4197774b746
5b5cc619e4d2b4197774b746- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर :
व्याख्या :
When you are Asleep or Dead, you cannot answer Are you Asleep or Dead?
प्र: The length of two superfast trains are 140 mts and 160 mts respectively. If they run at the speed of 60 km/hr and 80 km/hr respectively in opposite direction, find the time in which they will cross each other ? 1504 05b5cc6cde4d2b4197774e1ae
5b5cc6cde4d2b4197774e1ae- 17.71 sectrue
- 210.48 secfalse
- 39.36 secfalse
- 48.45 secfalse
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 1. "7.71 sec"
व्याख्या :
Answer: A) 7.71 sec Explanation: Given L1 = 140 m L2 = 160 m S1 = 60 km/hr S2 = 80 km/hr From the question we get, S1 + S2 = (L1 + L2) / T => (60 + 80) 5/18 m/s = 140 + 160/T => T = 54/7 = 7.71 sec
प्र: Who formulates fiscal policy in India? 1503 05b5cc6a0e4d2b4197774ca51
5b5cc6a0e4d2b4197774ca51- 1Ministry of Financetrue
- 2Reserve Bank of Indiafalse
- 3Securities and Exchange Board of India (SEBI)false
- 4Finance Commissionfalse
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 1. "Ministry of Finance"
व्याख्या :
Answer: A) Ministry of Finance Explanation: In India, Fiscal Policy is formulated by the Ministry of Finance. Fiscal policy is playing an important role on the economic and social front of a country. Traditionally, fiscal policy is concerned with the determination of state income and expenditure policy. But with the passage of time, the importance of fiscal policy has been increasing continuously for attaining rapid economic growth. An effective fiscal policy is composed of policy decisions relating to the entire financial structure of the government including tax revenue, public expenditures, loans, transfers, debt management, budgetary deficit, etc.
प्र: World’s largest aircraft supercarrier USS Gerald R Ford belongs to _____ country. 1503 05b5cc6cfe4d2b4197774e2c8
5b5cc6cfe4d2b4197774e2c8- 1Russiafalse
- 2Indiafalse
- 3Chinafalse
- 4USAtrue
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 4. "USA"
व्याख्या :
Answer: D) USA Explanation: 1. US Navy commissioned world’s largest aircraft carrier, USS Gerald R Ford into the fleet. The commissioning ceremony was held at Naval Station Norfolk, Virginia in presence of US President Donald Trump. 2. USS Gerald R. Ford is the first ship in this new class of nuclear-powered aircraft carriers for the U.S. Navy. The ship is named after the 38th President of the United States Gerald Ford and has been built by Newport News Ship Building Company. The massive 1,106-foot-long carrier is powered by two new generation nuclear reactors.
प्र: The number of ways that 7 teachers and 6 students can sit around a table so that no two students are together is 1503 05b5cc7b4e4d2b419777508a1
5b5cc7b4e4d2b419777508a1- 17! x 7!false
- 27! x 6!true
- 36! x 6!false
- 47! x 5!false
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 2. "7! x 6!"
व्याख्या :
Answer: B) 7! x 6! Explanation: The students should sit in between two teachers. There are 7 gaps in between teachers when they sit in a roundtable. This can be done in 7P6ways. 7 teachers can sit in (7-1)! ways. Required no.of ways is = 7P6.6! = 7!.6!
प्र: 6 choose 3 = 1503 05b5cc6a4e4d2b4197774cc81
5b5cc6a4e4d2b4197774cc81- 120true
- 230false
- 318false
- 424false
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 1. "20"
व्याख्या :
Answer: A) 20 Explanation: 6 choose 3 means number of possible unordered combinations when 3 items are selected from 6 available items i.e, nothing but 6C3. Now 6C3 = 6 x 5 x 4/3 x 2 x 1 = 120/6 = 20.

