Condensing the cytoplasm in the two poles of the plant cells forms spindle fibers
True
False
An object was put at 10 cm from a concave mirror, a real, inverted and equal image was formed, if the object moved 3 cm towards the mirror, so the formed image will be…….
virtual diminished
real, inverted and diminished
real, inverted and enlarged
virtual enlarged
............ the ability of some animals to compensate their missing parts.
Regeneration
Fertilization
binary Fission
The formed image of an object that is put at the centre of curvature for a convex lens is virtual enlarged
The scientist who published a research including his vision about the Nebular assumption
Fred Hoyle
Molten
Chamberlin
Laplace
An observer in a moving car with 80 km/h was observing a moving car with 90 km/h in the same direction so, the observed speed of the 2nd car is
10 km/h
80 km/h
170 km/h
90 km/h
The radius of curvature of a mirror is the radius of the sphere that the mirror part of it.
When a moving object covers equal distances in unequal intervals of time, so it moves by…..
average speed
relative speed
irregular speed
uniforms speed
...............Seeing the far objects clearly but the close objects are not clearly.
Long-sightedness
short - sightedness
Groups of stars gathered in distinctive shape.
Galaxy
milk way
solar system
From the scalar physical quantities is.....
time
Acceleration
velocity
Crossing over phenomenon happens between the . inner chromatides of the tetrad during the meiosis division.
Amoeba reproduces by budding
Acceleration is from the ............. quantities
scalar
vector physical
The solar system lies on one of the spiral arms of Milky way galaxy