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Which one of the following sets of elements was primarily responsible for the origin of life on the Earth?

An example of major air pollutant is

Fungi are always

What are metal bearing rocks called?

Which instrument is used to measure altitudes in aircrafts ?

Which one of the following substance is not a mixture

An example of periodic motion is that of a

Fungi are plants that lack:

Lumen is a unit of -

The mass of a star is two times the mass of the Sun. How it will come to an end -

What are the important factors for seed germination?

Which instrument is used to measure depth of ocean ?

Which one of the following types of radiation has the smallest wave length

An ideal gas is one which obeys

Galena is a mineral of

Magnetic keepers are pieces of

Soil erosion is caused by

The mass of water vapour per unit volume of air is known as

What are the numbers of moles of CO₂ which contains 16 g of oxygen?

Which instrument measures the intensity of earthquake shocks?

Which one of the following types of waves are used in a night vision apparatus?

An inert gas mixed with oxygen given to patients suffering from restricted breathing is

Galvanised iron is made by coating iron with

Magnifying Glass is basically a

Soil is formed from the parent rock material by

The mass-energy relation is the outcome of

What are the sex cells called

Which is known as the suicidal bag of the cell?

Which one of the following vitamins helps in clotting of blood?

An instrument that records earthquakes is

Main constituents of biogas are

Solder is an alloy of

The material used in solar cells contains

Which is the absolute temperature scale?

Which one of the following was the first mineral acid discovered

An object at rest will remain at rest and an object in motion will remain in motion until and unless it is acted upon by an external force. This is Newton’s

Malaria can be caused by the bite of the mosquito

Solder metal is an alloy of

What cause a moving body to resist a change in its state of motion?

Which is the instrument for recording high temperature from a great distance?

Which organ of Human body is affected by Alzheimer disease ?

An organic which produces bluish green coloured flame on heating in presence of copper is

Galvanization a process to prevent rusting involves use of _coating to steel or iron

Malaria in the human body is caused by which one of the following organisms?

Soldering of two metals is possible as of the property of:

The max. fixation of solar energy is done by

What color does yellow and green make?

Which is the largest organ in human beings?

Which organ of human body secretes Insulin?

Soldering of two metals is possible due to the property-