CAT प्रश्न और उत्तर का अभ्यास करें

प्र: Which of the following is not a function of cytoskeleton in a cell ? 2271 0

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    Maintenance of cell shape and structure
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  • 2
    Intracellular transport
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  • 3
    Cell motility
    सही
    गलत
  • 4
    Support of the organelle
    सही
    गलत
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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: Exercise is to Gym as Eating is to 6776 0

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    Dieting
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  • 2
    Fitness
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  • 3
    Restaurent
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  • 4
    Food
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उत्तर : 3. "Restaurent"
व्याख्या :

Answer: C) Restaurent Explanation: The given words are related in such a manner that, for exercise we go to gym. Simmilarly, for eating we go to restaurent.   Hence, Exercise : Gym :: Eating : Restaurent.

प्र: An object that has kinetic energy must be 1857 0

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    At an elevated position
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    Falling
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    At rest
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  • 4
    Moving
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उत्तर : 4. "Moving"
व्याख्या :

Answer: D) Moving Explanation: In physics, we know that the kinetic energy of an object is the energy that it possesses due to its motion. It is defined as the work needed to accelerate a body of a given mass from rest to its stated velocity. Hence, An object that has kinetic energy must be in motion i.e, moving.

प्र: Order of basicity of amines in gaseous state? 1292 0

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    2'> 1'> 3' > NH3
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  • 2
    3' > 2' > 1'> NH3
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  • 3
    1' > 2' > 3'> NH3
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  • 4
    2'> 3'> 1' > NH3
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उत्तर : 2. "3' > 2' > 1'> NH3"
व्याख्या :

Answer: B) 3' > 2' > 1'> NH3 Explanation: The order of basicity in ammonia is different in gaseous phases vs. aqueous phases due to hydrogen bonding.   So in gaseous phases it's the well known: 3' > 2' > 1'> NH3. Just so we're on the same page, this is due to the inductive effect of electron donating alkyl groups--they destabilize the lone pair on nitrogen atom, making nitrogen more basic.   But in aqueous phase, the order is slightly different: 2'> 1'> 3' > NH3.

प्र: Soil erosion on hillslopes can be checked by 4399 0

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    Terrace cultivation
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  • 2
    Contour ploughing
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  • 3
    Afforestation
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  • 4
    Strip cropping
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उत्तर : 1. "Terrace cultivation"
व्याख्या :

Answer: A) Terrace cultivation Explanation: Hence, soil erosion on hillslopes can be checked by Terrace cultivation.

प्र: Which of the following is not a selling expense? 4505 0

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    Freight-out
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  • 2
    Advertising expense
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  • 3
    Store supplies
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  • 4
    Office salaries expense
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उत्तर : 4. "Office salaries expense"
व्याख्या :

Answer: D) Office salaries expense Explanation: Office salaries expense would not come under a selling expense.

प्र: Which of the following is not a RM principle? 3158 0

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    Apply the RM process to situations where serious injury might occur
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  • 2
    Accept no unnecessary risk
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  • 3
    Integrate RM into all phases of missions and activities
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  • 4
    Make risk decisions at the appropriate level
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उत्तर : 1. "Apply the RM process to situations where serious injury might occur"
व्याख्या :

Answer: A) Apply the RM process to situations where serious injury might occur Explanation: Apply the RM process to situations where serious injury might occur is not a RM (Risk Management) principle.   Risk Management :: A decision-making process for managing day-to-day schedules when there are conflicts.

प्र: Myeloid stem cells give rise to all leukocytes. 1607 0

  • 1
    TRUE
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  • 2
    FALSE
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उत्तर : 2. "FALSE"
व्याख्या :

Answer: B) FALSE Explanation: Hemopoiesis begins in the red bone marrow, with hemopoietic stem cells that differentiate into myeloid and lymphoid lineages.   Myeloid stem cells give rise to all the other formed elements, including the erythrocytes; megakaryocytes that produce platelets; and a myeloblast lineage that gives rise to monocytes and three forms of granular leukocytes: neutrophils, eosinophils, and basophils.

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