IIT JEE प्रश्न और उत्तर का अभ्यास करें

प्र: Which of the following is not a function of cytoskeleton in a cell ? 2282 0

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    Maintenance of cell shape and structure
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    Intracellular transport
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    Cell motility
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    Support of the organelle
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उत्तर : 2. "Intracellular transport"
व्याख्या :

Answer: B) Intracellular transport Explanation: A cytoskeleton is the frame that gives shape to a cell. And also it offers support, and facilitates movement through three main components: microfilaments, intermediate filaments, and microtubules.   The cytoskeleton helps the cell move in its environment and controls the movement of all of the cell's interior workings.

प्र: The process of encoding refers to 2281 0

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    getting information into memory.
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    the recall of information previously learned.
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    a clear memory of an emotionally significant event.
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    the persistence of learning over time.
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उत्तर : 1. "getting information into memory."
व्याख्या :

Answer: A) getting information into memory. Explanation: Encoding refers to the getting information into memory.

प्र: Which phrase breaks the rule of parallel structure? 2280 0

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उत्तर :
व्याख्या :

Parallel structure means using the same pattern of words to show that two or more ideas have the same level of importance and to help the reader comprehend what is being written.. This can happen at the word, phrase, or clause level. The usual way to join parallel structures is with the use of coordinating conjunctions such as "and" or "or."

प्र: Which of the following animals have teeth in their stomach? 2278 0

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    Frogs
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    Crabs
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    Snakes
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    Cockroach
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उत्तर : 2. "Crabs"
व्याख्या :

Answer: B) Crabs Explanation:

प्र: The product of two positive numbers is p. If each of the numbers is increased by 2, the new product is how much greater than twice the sum of the two original numbers ? 2278 0

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    p times
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    2p times
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    (p + 4) times
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    (2p + 3) times
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उत्तर : 3. "(p + 4) times"
व्याख्या :

Answer: C) (p + 4) times Explanation: Let the two no's be a and b;Given product of the no's is p = ab;If the each nos is increased by 2 then the new product will be (a+2)(b+2) = ab + 2a + 2b + 4= ab + 2(a+b) + 4= p + 2(a+b) + 4Hence the new product is (p+4) times greater than twice the sum of the two original numbers.

प्र: What does the color black on a map illustrate? 2277 0

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    contours
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    water bodies
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    woodland areas
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    borders
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उत्तर : 4. "borders"
व्याख्या :

Answer: D) borders Explanation: There are different colors that are used for different signs on the maps. The typical color standard for topographic maps depicts contours in brown, bodies of water in blue, boundaries in black, and grids and roads in red. Topographic maps may use different colors to represent area features.   Black represents man-made objects or cultural features like roads, bridges, borders, etc...

प्र: In how many ways word of 'GLACIOUS' can be arranged such that 'C' always comes at end? 2276 0

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    3360
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    5040
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    720
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    1080
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उत्तर : 2. "5040"
व्याख्या :

Answer: B) 5040 Explanation: Given word is GLACIOUS has 8 letters. => C is fixed in one of the 8 places Then, the remaining 7 letters can be arranged in 7! ways = 5040.

प्र: What group sets hunting regulations in most states? 2272 0

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    Forest management agency
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    Head hunting firms agency
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    Hunting outfitters agency
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    A wildlife management agency
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उत्तर : 4. "A wildlife management agency"
व्याख्या :

Answer: D) A wildlife management agency Explanation: A wildlife management agency sets hunting regulations in most states.     These agencies will have regular meetings where the public can voice their concerns and make suggestions. Hunters wishing to propose changes to the regulations should participate in these meetings or join a hunting organization that interacts with the agency.

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