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