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