NEET Entrance Question

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A body is thrown upwards with velocity 100 m/s and it travels 5 m in the last second of its upward journey. If the same body is thrown upward with velocity 200 m/s, what distance will it travel in the last second of upward journey?

a) 5 m

b) 25 m

c) 20 m

d) 10 m 

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One body is dropped while a second body is thrown downward with an initial velocity of 2 m/s simultane- ously. The separation between them is 18 meters after a time:

a) 4.5 s

b) 9 s

c) 18 s

d) 9.8 s 

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The magnitude of average velocity is equal to the average speed when a particle moves: 

a) With constant acceleration

b) On a curved path

c) With constant retardation

d) In the same direction 

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In one dimensional motion, instantaneous speed v satisfies the condition 0 < v < v0. Then: 

a) The acceleration is always a non – negative number

b) The displacement in time T must always take non – negative values

c) The motion has no turning points

d) The displacement in time T satisfies: – v0T < x < v0T 

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One body is dropped while a second body is thrown downwards with an initial velocity of 2 m/s simultane- ously. The separation between them is 18 metres after a time:

a) 18 s

b) 4.5 s 

c) 9.8 s

d) 9 s 

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Which of the indicated H in the following is most acidic?

pastedGraphic.png

a) Y

b) X

c) Z

d) P

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The length of the carbon –  carbon single bond of the compounds

  1. CHequation.pdf = CH –   C equation_1.pdf CH
  2. CHequation_2.pdf C –   C equation_3.pdf CH
  3. CHequation_4.pdf –   CH equation_5.pdf CH equation_6.pdf
  4. CHequation_7.pdf = CH –   CH = CH equation_8.pdf

is expected to decrease in the order:

a) III > II > I > IV

b) II > IV > I > III

c) I > III > II > IV

d) III > IV > I > II

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The most stable resonating structure of the following molecule is:

pastedGraphic.png

a) pastedGraphic_1.png

b) pastedGraphic_2.png

c) pastedGraphic_3.png

d) pastedGraphic_4.png

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Which of the following is an aromatic species?

a) None of these

b) pastedGraphic.png

c) pastedGraphic_1.png

d) pastedGraphic_2.png

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Nucelophilicity order is correctly represented by:

a) equation.pdf

b) equation_1.pdf

c) equation_2.pdf

d) equation_3.pdf

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A character which is express in a hybrid is called?

a) Recessive         

b) Dominant

c) Co-dominant        

d) Epistatic

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Mendel choose pea plant because they?

a) Were cheap          

b) Were easily available     

c) Have great economic important     

d) Were having contrasting character

Ques-

The three principle of Mendelism are?

a) Linkage, segregation and independent assortment

b) Linkage, dominance-recessiveness and segregation

c) Dominance-recessiveness, segregation and independent assortment

d) Dominance-recessiveness, linkage and independent assortment

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In epistasis?

a) One gene alters the effects of another

b) A portion of a chromosome is deleted

c) A portion of a chromosome is inverted

d) Nothing changes from generation to generation

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When the blood group of a father and mother, respectively are O and A, then the blood group of their child will be?

a) AB        

b) A and O

c) A          

d) All type

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Which of the following condition is not X-linked?

a) Vit D resistance rickets    

b) Haemophilia

c) Down syndrome       

d) Colour blindness

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