In Telophase of mitosis cell division, two new separate cells are formed, each cell has ........... number of chromosomes of mother cell
more
diffrerent
less
Same
Acceleration is considered one of one of ...... .... physical quantities
vector
spiral
scalar
A car starts to move from rest in straight line, its speed reaches 12 m/sec. after 4 sec. Calculate the acceleration of the car
9 m/sec2
6 m/sec2
3 m/sec2
The image formed by .......... is always virtual, erect and small.
plane mirror
convex lens
convex mirror and concave lens
concave mirror
............The total distance that a moving object covers divided by total time taken to cover this distance.
Uniform speed
Regular speed
Average speed
The distance moved through a unit time.
speed
acceleration
uniform acceleration
Mention the measuring unit of The mass
meter
Kilogram or gram
m/sec
litre
Yeast fungus reproduces asexually by……
spore.
budding
regeneration
binary fission.
If the radius of curvature of a concave mirror equals 20 cm. its focal length will be ........... cm
40
5
10
4
20
The space which contains all the galaxies, stars, planets, moons and living organisms.
solar system
galaxy
Universe
Concave lens diverges the light rays that falling on its surface.
True
Flase
If an object at a distance of 3 metres from a plane mirror. The distance between that object and its image is.......... metre.
6
3
12
9
The solar system consists of the Sun and ….. planets revolve around it.
8
7
The speed of a moving object relative to the observer is considered as.......
regular
relative
vector speed.
average
It is the image which can't be recieved on a Screen ............
Real image
virtual image