Out of boiling point (I), entropy (II), pH (III) and e.m.f. of a cell (IV), intensive properties are –

#Question id: 342

#XL - Q Biochemistry

In a single molecule of water, two hydrogen atoms are bonded to a single oxygen atom by ________.

#Question id: 312

#XL - Q Biochemistry

The type of molecules that forms the aggregate through a self-assembly process which is driven by the hydrophobic effect is _______

#Question id: 1581

#XL - S Microbiology

An otherwise healthy student in your class is infected with EBV, the virus that causes infectious mononucleosis. The same student had already been infected when she was a child, and she had merely experienced a mild sore throat and swollen lymph nodes in her neck. This time, though infected, she does not get sick. 

Her immune systemʹs recognition of this infection will involve which of the following?

#Question id: 11411

#XL - T Zoology

Vulnerability to extinction can be linked to species following characteristics. Which of the following statement are correct?

 A. Rare species are more prone to extinction than common ones.

 B. Species that are capable of migrating between fragments of habitat, such as between mainland areas and islands, may be more resistant to extinction

 C. Organisms that are specialists are more likely to go extinct

 D. Species with naturally long life spans may be more likely to become extinct

#Question id: 355

#XL - S Microbiology

Measurements show that the pH of a particular lake is 4.0. What is the hydroxide ion concentration of the lake?