Density is_________.

1 quintal is equal to_______kg.

A body moving with an initial velocity 5ms^-1 and accelerates at 2ms^-2. Its velocity after 10s is

The focal length of a concave mirror is 5cm. Its radius of curvature is

When a beam of white light passes through a prism it gets

Difference in ________________is the principle used in fractional distillation

For a simple distillation process we need to have

Change in the number of neutrons in an atom changes it to

The number of protons, neutrons and electrons present respectively in \(_{ 35 }^{ 80 }{ Br }\)

The bending of root of a plant in response to water is called _________ 

During photosynthesis plants exhale _______. 

Which is not an insect?

An internal factor responsible for spoilage of food is ___________.

_________ belongs to the generation IV of the computer

Radius of a thin wire is measured by ________

Speed is a ____________ quantity whereas velocity is a ____________ quantity

A negative sign in the value of magnification indicates that the image is________

In petroleum refining, the method of separation used is _______

The number of neutrons present in \(_{ 3 }^{ 7 }{ Li }\) is ------

__________ is positively hydrotropic as well as positively geotropic.

Photosynthesis : ____________ Transpiration : Stomata

When the leaves of a sensitive plant are touched with a finger, they fold up and when light fades at dusk the petals of a Dandelion flower close. These two plants show ____ and_____ movements.

Placenta is the unique characteristic feature of ______________.

Distance covered by a particle never becomes zero but displacement becomes zero

Light is one of the slowest travelling energy with a speed 3 \(\times\)10^-8 ms^-1

Sublimation is the property of a substance to directly change from liquid to solid state.

In an atom, electrons revolve around the nucleus in fixed orbits

Photosynthesis produces glucose and carbon dioxide.

Nephridia are the respiratory organ of Annelida

Bipinnaria is the larva of Mollusca

Vitamins are required in large quantities for normal functioning of the body -

What is the difference between movement of flower in sunflower plant and closing of the leaves in the Mimosa pudica?

Define photosynthesis.

Define standard unit.

Convert: 300 K into Celsius scale,

According to cartesion sign convention, which mirror and which lens has negative focal length?

How gaseous pressure arises?

What is the measuring unit of the thickness of a plastic carry bag?

A sound is heard 5 s later than the lightning is seen in the sky on a rainy day. Find the distance of location of lightning? Given the speed of sound = 346 ms^-1

a) Complete the diagram to show how a concave mirror forms the image of the object.
b) What is the nature of the image?

How is the body wall of coelenterates arranged?

Write any one function of the following minerals
a) Calcium   b) Sodium
c) Iron          d) Iodine

Differentiate data and information.

A ball is gently dropped from a height of 20 m. If its velocity increases uniformly at the rate of 10 ms^-2 with what velocity will it strike the ground? After what time will it strike the ground?

Find the size, nature and position of image formed when an object of size 1 cm is placed at a distance of 15 cm from a concave mirror of focal length 10 cm.

Hydrogen sulphide (H₂S) contains 94.11% sulphur, water (H₂O) contains 11.11% hydrogen and sulphur dioxide (SO₂) contains 50% of oxygen. Show that the results are in agreement with the law of reciprocal proportions

How are vitamins useful to us? Tabulate the sources, deficiency diseases and symptoms of fat soluble vitamins

What are the different steps involved in data processing?