Sudden violent nuclear reactions occur within the star which led to its explosion
False
True
The body which moves at acceleration can't move at a regular speed
The long-sightedness is corrected by using concave mirror.
The nucleic acid that carries the genetic traits of the living organism.
protein
chromosomes
DNA
Sperm Formed in ............
human testes
plant anthers
trees
If the number of chromosomes in liver cells of a certain living organism is (32) chromosomes then the number of chromosomes in ovum cell is .............
24
8
16
32
Reproduction by sporogony occurs in starfish
Calculate the actual speed of the car whose relative speed is (80 km/h) relative to an observer moving in opposite direction at a speed of (30 km/h).
90 km/h
50 km/h
60 km/h
80 km/h
A train moves at a speed (30 m/sec). And when the brakes is used it moves with a decelerating (3 m/sec2). Calculate the time taken to stop the train
20 Sec.
5 Sec.
30 Sec.
10 Sec.
................ is considered from Scalar physical quantity
Accelaration
Mass
Velocity
In Milky Way galaxy, the old stars (the older) gather in the Centre of the galaxy
A train moves at a speed (100 km/h), then it cover a distance of (40 km) within time .......... hours.
0.3
0.4
0.6
0.5
A moving car covers a distance of (200 kilometer) through (150 min.), then its speed is ........... km/h
160
80
60
40
The optical piece which forms laterally inverted (reversed) image and equal to the body is
spherical mirror
convex lens
plane mirror
concave lens
Within minutes of Big Bang, hydrogen gas was formed by a percentage of ...........%..
25
50
100
75