a)Which of the following is an audio file format?1

b)Which Nitrogen base is found only in the given figure?1

c)Which of the following is the features of Aves?1

d)In the given figure, what is the upthrust given by liquid on the immersed body?1

e)What is the speed of light in diamond?1

f)For how long does a stone remain in air when it is thrown upward with an initial velocity of 20 m/s?1

g)If equal heat is supplied in equal mass of water and kerosene, which of the following facts is correct?1

h)If a current carrying conductor is placed in a permanent magnetic field, the conductor vibrates. What is such effect called?1

i)Which of the following is an ore of copper?1

j)A statement and two arguments are given below. Statement: Insecticide collecting in the environment is a type of insecticide. Argument 1: insecticide not degrading quickly in the environment. Argument 2: Degrading gradually when it comes in contact with air and water.1

a)Write the fundamental units included in the unit of force.1

b)Write a similarity in aves and mammals.1

c)Which hybrid animal is produced by the cross between zebra and horse?1

d)Mention any one suggestion to preserve endangered animals.1

e)Write an instrument based on Pascal's law.1

f)Mention one benefit of anomalous expansion of water.1

g)Write a balanced chemical equation of formation of white powder after burning a magnesium ribbon.1

h)Write a difference between roasting and calcination.1

i)Write the IUPAC name of given structural formula.1