IIT JEE Practice Question and Answer
8Q: Pollination by wind is called 2277 05b5cc68be4d2b4197774c39c
5b5cc68be4d2b4197774c39c- 1Hydrophilyfalse
- 2Entomophilyfalse
- 3Anemophilytrue
- 4Zoophilyfalse
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Answer : 3. "Anemophily"
Explanation :
Answer: C) Anemophily Explanation: Pollination by wind is called Anemophily or Wind pollination. The process of the transfer of pollen from one individual plant to another, whereby the pollen is carried by air currents is called Anemophily. Almost all gymnosperms (Non-flowering plants) are anemophilous, as are many plants in the order Poales, including grasses, sedges and rushes.
Q: Which of the following statements describes the glycemic index of foods? 2276 05b5cc62ae4d2b4197774b8e1
5b5cc62ae4d2b4197774b8e1- 1the extent to which a given food raises blood glucose and insulin levelstrue
- 2the amount of insulin required to metabolize 100 grams of glucosefalse
- 3an individual’s glucose/insulin ratio in a fasted statefalse
- 4the glucose content of a given foodfalse
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Answer : 1. "the extent to which a given food raises blood glucose and insulin levels"
Explanation :
Answer: A) the extent to which a given food raises blood glucose and insulin levels Explanation: The glycemic index or glycaemic index is a number associated with the carbohydrates in a particular type of food that indicates the effect of these carbohydrates on a person's blood glucose (also called blood sugar) level. A value of 100 represents the standard, an equivalent amount of pure glucose. The GI represents the rise in a person's blood sugar level two hours after consumption of the food.
Q: Which statement best describes the electronegativity of an element? 2276 05b5cc62ce4d2b4197774b92e
5b5cc62ce4d2b4197774b92e- 1Electronegativity of an atom is it's ability to produce energy while losing an electron.false
- 2Electronegativity of an atom is it's ability to attract electrons during bond formation.true
- 3Electronegativity of an atom is it's ability to lose electrons during cation formation.false
- 4Electronegativity of an atom is it's ability to share electrons during a covalent bond formation.false
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Answer : 2. "Electronegativity of an atom is it's ability to attract electrons during bond formation."
Explanation :
Answer: B) Electronegativity of an atom is it's ability to attract electrons during bond formation. Explanation: Electronegativity, is a chemical property that describes the tendency of an atom to attract a shared pair of electrons (or electron density) towards itself.
Q: What are three characteristics of the agricultural revolution? 2271 05b5cc69ee4d2b4197774c960
5b5cc69ee4d2b4197774c960- 1Farmers learned to control water through wells and canalsfalse
- 2New tools made it possible for more crops to be grownfalse
- 3Crop rotation was invented, making it harder on soilfalse
- 4All the abovetrue
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Answer : 4. "All the above"
Explanation :
Answer: D) All the above Explanation:
Q: K and L starts walking towards each other at 4 pm at speed of 3 km/hr and 4 km/hr respectively. They were initially 17.5 km apart. At what time do they meet ? 2270 05b5cc6c6e4d2b4197774ddfa
5b5cc6c6e4d2b4197774ddfa- 16:00 amfalse
- 26:30 pmtrue
- 35:45 amfalse
- 45:52 pmfalse
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Answer : 2. "6:30 pm"
Explanation :
Answer: B) 6:30 pm Explanation: Suppose they meet after 'h' hours Then 3h + 4h = 17.5 7h = 17.5 h = 2.5 hours So they meet at => 4 + 2.5 = 6:30 pm
Q: Which city is known as "Queen of Arabian Sea" ? 2269 05b5cc6cfe4d2b4197774e321
5b5cc6cfe4d2b4197774e321- 1Vizagfalse
- 2Kakinadafalse
- 3Mumbaifalse
- 4Kochitrue
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Answer : 4. "Kochi"
Explanation :
Answer: D) Kochi Explanation:
Q: Statement: The Chairman stressed the need for making education system more flexible and regretted that the curriculum has not been revised in keeping with the pace of the changes taking place.Course of action:a. Curriculum should be reviewed and revised periodically.b. System of education should be made more flexible. 2266 05b5cc731e4d2b4197774f80f
5b5cc731e4d2b4197774f80f- 1Only a followsfalse
- 2Only b followsfalse
- 3Both a & b followstrue
- 4Neither a nor b followsfalse
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Answer : 3. "Both a & b follows"
Explanation :
Answer: C) Both a & b follows Explanation: Clearly, the situation demands making the education system more flexible and changing it periodically according to the needs of the time. So, both the courses follow.
Q: A relationship can be damaged by 2265 05b5cc615e4d2b4197774b6a9
5b5cc615e4d2b4197774b6a9- 1no trustfalse
- 2not meeting expectationsfalse
- 3people not spending time with one anotherfalse
- 4All of the abovetrue
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Answer : 4. "All of the above"
Explanation :
Answer: D) All of the above Explanation: Any of the above given options can be a reason for the damage of the relationship of a couple or a two families or two friends etc... Without trust relationship cannot be maintained, people not spending time with one another or without meeting the expectations of the opponents can also damage the relationship.

