Humification leads to :

Read the passage and answer the question given below.
When a host is exposed to antigens, which may be in the form of living or dead microbes or other proteins, antibodies are produced in the host body. This type of immunity is called active immunity. Active immunity is slow and takes time to give its full effective response. Injecting the microbes deliberately during immunisation or infectious organisms gaining access into body during natural infection induce active immunity. When antibodies are directly given to protect the body against foreign agents, it is called passive immunity.
Production of antibodies against antigens in the body is:

The 'BT' in Bt toxin stands for:

Identify the correct copper releasing IUDs?
(A) Cu7
(B) LNG-20
(C) CuT
(D) Multiload 375
Choose the correct answer from the options given below:

Which one of the following expressions is used for comparing productivity of different ecosystems?

Identify the hormone releasing IUD.

Net Primary Productivity (NPP) is given by the formula

If \(\left|\begin{array}{cc}2 & 3-x \\ x & 1\end{array}\right|=0\), then the values of x are:

What will be the number of genotypes and phenotypes obtained in \(F _2\) generation when male parent RRyy is crossed with female parent rrYY?

Match List I with List II

List I	List ll
(A) First Restriction Endonuclease	(I) GAATTC
(B) Disarmed Plasmid	(II) Selectable markers
(C) Antibiotic resistant genes	(III) Hind II
(D) EcoRI	(IV) Vector

Choose the correct answer from the options given below:

Match List - I with List - II

List - I (Time series component)	List - II (Example)
(A) Secular Variation	(I) Pandemic
(B) Seasonal Variation	(II) Recession in business
(C) Cyclic Variation	(III) Monthly sale of woolen clothes
(D) Irregular Variation	(IV) Data regarding National income

Choose the correct answer from the options given below:

Spermiation is the process of releasing mature sperms from :

The elevation in boiling point will be maximum in