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In a species, the weight of newborn rang...

In a species, the weight of newborn ranges form 2 to 5 kg. 97% of the newborn with an average weight between 3 to 3.3 kg survive whereas 99 of the infants born with weights from 2 to 2.5 or 4.5 to 5 kg die. Which type of selection process is taking place?

A

Directional selection

B

Stabilising selection

C

Disruptive selection

D

Cyclical selection

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  • In a species, the weight of newborn ranges from 2 to 5 kg. 97% of the newborn with an average weight between 3 to 3.3 kg survive whereas 99% of the infants born with weight from 2 to 2.5 kg or 4.5 to 5 kg die. Which type of selection process is taking place?

    A
    Directional Selection
    B
    Stabilising Selection
    C
    Disruptive Selection
    D
    Cyclical Selection

  • The average weight of 6 techers in a school is 47.3 kg. When a new teacher joined them, the average weight is increased by 5.3 kg . Then find the approximate weight of the new teacher.

    A
    70 kg
    B
    84 kg
    C
    60 kg
    D
    78 kg

  • The average weight of A,B and C is 65 kg. If the average weight of A and B is 63.5 kg, and the average weight of A and C is 67.5 kg , then the weight of A (in kg) is :

    A
    67
    B
    65
    C
    68
    D
    60

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