In IT, the method for updating the main memory as soon as a word is removed from the cache is called
1). Write-through
2). Write-back
3). Protected-write
4). Cache-write
In an optical fibre the signal is transmitted
1). in a straight line path
2). In a curved path
3). due to total internal reflection
4). Due to refraction
What causes the mottling of the dental enamel ?
1). High levels of chlorine in water
2). High levels of nitrate in the water
3). High levels of fluorides in the water
4). High levels of calcium in the water
Who among the following is credited with starting the work on plant tissue culture?
1). F.C. Steward
2). P. Maheshwari
3). P.R. White
4). Haberlandt
The concept of joint sector implies cooperation between
1). Public sector and private sector industries
2). State Government and Central Government
3). Domestic and Foreign Companies
4). None of these