Biology
General
Easy
Question
peripatus is connecting link between :
- Mollusca and Arthropoda
- Flat worms and annelida
- Annelida and Arthropoda
- Reptilia and Mammalia
The correct answer is: Annelida and Arthropoda
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physics
A particle moves with constant acceleration 2 m s 2 in x direction. The distance travelled in fifth second is 19 m. Calculate the distance travelled after 5 second.
A particle moves with constant acceleration 2 m s 2 in x direction. The distance travelled in fifth second is 19 m. Calculate the distance travelled after 5 second.
physicsGeneral
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According to recapitulation theory
According to recapitulation theory
biologyGeneral
biology
Galapagos islands are connected with which scientist :
Galapagos islands are connected with which scientist :
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Which is vestigial organ in man :
Which is vestigial organ in man :
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physics
A particle moves in a straight lime with constant acceleration. At t=10s velocity and displacement of the particle are 16 ms-1 and 39 m respectively. What wall be the velocity after 10s
A particle moves in a straight lime with constant acceleration. At t=10s velocity and displacement of the particle are 16 ms-1 and 39 m respectively. What wall be the velocity after 10s
physicsGeneral
physics-
A batsman hits a sixer, and the ball touches the ground outside the cricket ground. Which of the following graph describes the variation of the cricket ball’s vertical velocity 
with time between the time 
as it hits the bat and time 
when it touches the ground?
At time the velocity of ball will be maximum, and it goes on decreasing with respect to time
At the highest point of path its velocity becomes zero, then it increases but direction is reversed
This explanation matches with graph [c]
the velocity of ball will be maximum, and it goes on decreasing with respect to timeAt the highest point of path its velocity becomes zero, then it increases but direction is reversed
This explanation matches with graph [c]
A batsman hits a sixer, and the ball touches the ground outside the cricket ground. Which of the following graph describes the variation of the cricket ball’s vertical velocity with time between the time as it hits the bat and time when it touches the ground?
physics-General
At time the velocity of ball will be maximum, and it goes on decreasing with respect to time
At the highest point of path its velocity becomes zero, then it increases but direction is reversed
This explanation matches with graph [c]
the velocity of ball will be maximum, and it goes on decreasing with respect to timeAt the highest point of path its velocity becomes zero, then it increases but direction is reversed
This explanation matches with graph [c]
physics-
A gun is aimed at a target in a line of its barrel. The target is released and allowed to fall under gravity at the same instant the gun is fired. The bullet will
Because vertical downward displacement of both (target and bullet) will be equal
A gun is aimed at a target in a line of its barrel. The target is released and allowed to fall under gravity at the same instant the gun is fired. The bullet will
physics-General
Because vertical downward displacement of both (target and bullet) will be equal
physics
A particle moves with a constant acceleration 2m/s. Its intial velocity is 10 ms. Fad velocity after second.
A particle moves with a constant acceleration 2m/s. Its intial velocity is 10 ms. Fad velocity after second.
physicsGeneral
physics-
A stone is projected from the ground with velocity 
at an angle of 
. It crosses a wall after 
. How far beyond the wall the stone will strike the ground 
Total time of flight 
Time to cross the wall
(Given)
Time in air after crossing the wall
Distance travelled beyond the wall 
Time to cross the wall
(Given)Time in air after crossing the wall
Distance travelled beyond the wall A stone is projected from the ground with velocity at an angle of . It crosses a wall after . How far beyond the wall the stone will strike the ground
physics-General
Total time of flight
Time to cross the wall (Given)
Time in air after crossing the wall
Distance travelled beyond the wall
Time to cross the wall
(Given)Time in air after crossing the wall
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An unbanked curve has a radius of 
The maximum speed at which car can make a turn if the coefficient of static friction is 0.75, is
An unbanked curve has a radius of The maximum speed at which car can make a turn if the coefficient of static friction is 0.75, is
physics-General
chemistry-
The bond between two identical non-metal atoms has a pair of electrons
The bond between two identical non-metal atoms has a pair of electrons
chemistry-General
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.A car is moving with speed 30 m. Due to application of brakes it travells 30 m before stopping. Find its acceleration.
.A car is moving with speed 30 m. Due to application of brakes it travells 30 m before stopping. Find its acceleration.
physicsGeneral
chemistry-
Odd electron bond is present in
Odd electron bond is present in
chemistry-General
chemistry-
Which of the following covalent molecule is an exception to octet rule?
Which of the following covalent molecule is an exception to octet rule?
chemistry-General
chemistry-
Valence of sulphur in sulphuric acid is
Valence of sulphur in sulphuric acid is
chemistry-General