Silencing of specific mRNA by binding of complementary dsRNA, that prevents translation of mRNA is known as:

Match List-l with List-ll

List-l (Population interactions)	List-ll (Species A / Species B)
(A) Amensalism	(I) - / -
(B) Commensalism	(II) + / -
(C) Predation	(III) + / 0
(D) Competition	(IV) - / 0

'-' sign for detrimental interaction. '+' sign for beneficial interaction. '0' sign for neutral interaction.
Choose the correct answer from the options given below:

In the following which plant is also called 'Terror of Bengal'?

The mutation theory of saltation given by Hugo deVries based on his work on:

A medicinal plant growing in different Himalayan ranges shows different potency and concentration of the active chemical (reserpine) that the plant produces. Identify the plant:

The pioneer species in primary succession in water is :

Read the following passage carefully and answer the given questions
The earthworm is referred to as the farmer's friend. This is because they help in the breakdown of complex organic matter as well as in loosening of soil. Similarly, decomposers break down complex organic matter into inorganic substances like carbon dioxide, water and nutrients and the process is called decomposition. Dead plant remains such as leaves, bark, flowers and dead remains of animals, including fecal matter, constitute detritus, which is the raw material for decomposition. Some of the steps in the process of decomposition are fragmentation, catabolism, leaching, humification etc.
The process of decomposition largely requires -

Which antibody is released in response to allergy?

If \(A=\left[\begin{array}{cc}4 & 3 \\ 2 & -1 \\ 1 & 0\end{array}\right]\) and \(B^T=\left[\begin{array}{ccc}1 & 2 & 3 \\ 2 & 1 & -1\end{array}\right]\), then \(A-B\) is equal to

If \(y=\sin ^{-1} x+\sin ^{-1} \sqrt{1-x^2}, x \in(-1,0)\), then \(\frac{d y}{d x}\) is equal to

Out of students in a school, it is known that \(65 \%\) reside in hostel and \(35 \%\) are day scholars. Previous year results report that \(40 \%\) of the students who reside in hostel attain A grade and \(20 \%\) of day scholars attain A grade in their annual examination.
At the end of the year, one student is chosen at random from the class.
Probability of the selected student attaining grade \(A\) is:

Low oxygen concentration in the human body at high altitudes is due to the _________

Match List-l with List-II

List-l	List-II
A. Methyl alcohol	I. Highly poisonous
B. Ethyl alcohol	II. Carbolic acid
C. Phenol	III. Highly soluble in water
D. Picric acid	IV. Turns blue litmus red

Choose the correct answer from the options given below :