List of practice Questions

Length of a string tied to two rigid supports is $40 cm .$ Maximum length (wavelength in $cm$ ) of a stationary wave produced on it, is :
Kala-azar is caused by
Introduction of foreign genes for improving genotype is
"Rosie", the first transgenic cow, produced human protein-enriched milk. The milk contained the human alpha-(a ) lactalbumin and was more balanced product for human babies than natural cow milk.
Number of atoms in the unit cell of $Na ( BCC$ type crystal) and Mg (FCC type crystal) are respectively :
Which of the following is involved in Sandmeyer's reaction?
Which of the following molecule has highest bond energy?
Which of the following statement is true ?
In fluid mosaic model of plasma membrane
Which of the following teeth are lophodont?
Which one of the following is an acidic salt?
Wisdom teeth in human is
Xenia and metaxenia terms are related with
Which of the following digestive juices has the minimum pH value?
Which of the following compound is a tribasic acid?
When temperature increases, the frequency of a tuning fork :
What would happen if a thin slice of sugar beet is kept in NaCl?
Velocity of light is equal to
The bonding present between the carbon atoms of graphite:
The most stable carbonium ion is:
The highest dipole moment is of:
The density of air is $0.001293 g/cc.$ Its vapour density is :
The process of heating and suddenly cooling of steel is known as :
Philosopher's wool on treatment with cobalt nitrate produce :
Tissue present in an annual ring is: