Arrange the given steps involved in gel electrophoresis used for separation of DNA fragments?
(A) Exposure to UV light
(B) Staining with ethidium bromide
(C) Movement of DNA fragments towards anode
(D) Elution
Choose the correct answer from the options given below:

The condition where one species is harmed whereas the other is unaffected is called.

(p+q)\(^2\) = p\(^2\) +2pq+q\(^2\)=1 represents Hardy Weinberg equation. It is used in:

Which of the following is not the alien invasive species?

Steps of replication of retrovirus (HIV) in the host cell are given below. Arrange the steps in correct sequence.
(A) Viral RNA is introduced in host cell
(B) New viruses with new RNA are produced
(C) Viral DNA is produced by reverse transcription
(D) Viral DNA incorporates into host genome
(E) Virus infects the normal cell
Choose the correct answer from the options given below:

Read the following passage carefully and answer the given questions.
During anaerobic sludge digestion, bacteria produce a mixture of gases such as methane, hydrogen sulphide and carbon dioxide. These gases form biogas and can be used as source of energy as it is inflammable. The bioactive molecule, cyclosporin A, that is used as an immunosuppressive agent in organ-transplant patients, is produced by the fungus Trichoderma polysporum. You must have noticed that bottled fruit juices bought from the market are clearer as compared to those made at home. This is because the bottled juices are clarified by the use of pectinases and proteases. Statins produced by the yeast Monascus purpureus have been commercialised as blood-cholesterol lowering agents. It acts by competitively inhibiting the enzyme responsible for synthesis of cholesterol. The BOD test measures the rate of uptake of oxygen by micro-organisms in a sample of water and thus, indirectly, BOD is a measure of the organic matter present in the water.
BOD is a measure of-

Observe the diagram and answer the following questions:

Drugs used for treating AIDS are known as:

The maximum value of the \(f(x)=\frac{1}{4 x^2+2 x+1}\) is :

When silver or gold is leached as follows,
\(4M + 8CN^- + 2H_2O + O_2 \rightarrow\) _______, the product is :
(M = Ag or Au)

Which is not true for non-ideal solutions?

The length of a rectangle is decreasing at the rate of \(4\) cm / minute and the width is increasing at the rate of \(3\) cm / minute , then the rate of change of the perimeter is

Which of the following statements is incorrect?

Two cards are drawn with replacement from a pack of 52 cards.
The probability distribution of number of aces is: