WBPSC: (ii) General Science

Bronze is an alloy of

Which of the following isotopes is used in dating archaeological findings?

Which one of the following animals is known as a 'living fossil'?

Which of the following is chiefly present in LPG?

The radioactive element used in heart-pacemakers is

Which of the following is an aquatic fern?

Which part of human eye has the maximum refractive index?

'Seahorse' is a

Phytopthora palmivora is a

Which one of the following animals is not 'warm-blooded'?

Which metal is present in haemoglobin?

The 'powerhouse' of cell is

Which among the following is present in refrigerator?

Which quantity is increased in step-down transformer?

'Curie' is unit of

Pure water freezes at a temperature—

Fermentation ability of Yeast is due to

The radiation carrying maximum energy—

'Ornithology' is the science of

A particle is moving in a uniform circular motion with constant speed V along a circle of radius r. The acceleration of the particle is

The first transgenic crop was

The vitamin which helps in clotting of blood is

O²⁻ is isoelectronic with

What is the chromosome number in human ovum?

'ELISA' test is employed to diagnose