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Which techniques are commonly used for early diagnosis of a disease.
(A) Serum analysis
(B) ELISA
(C) PCR
(D) Recombinant DNA technology
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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.
Statins, used as blood-cholesterol lowering agents are produced by -

Match List - I with List - II.

LIST I	LIST II
A. Gobar gas	I. Citric acid
B. Aspergillus niger	II. Methane
C. Saccharomyces cerevisiae	III. Antibiotic
D. Penicillium notatum	IV. Ethanol

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Identify the gene which is effective against corn borer.

Match List - I with List - II.

List - I	List - II
(A) Genetic diversity	(I) Mangroves and Coral reef
(B) Species diversity	(II) Rauwolfia vomitoria in different Himalayan ranges
(C) Ecological diversity	(III) Amphibians in Western Ghats
(D) Biodiversity loss	(IV) Dodo in Mauritius

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Observe the figure and answer the following:

Match List I with List II

LIST I	LIST II
A. VI	I. Antipodals
B. III	II. Egg cell
C. IV	III. Filliform apparatus
D. I	IV. Central cell

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The unit of conductance is:

If A = \(\left[\begin{array}{ccc}0 & 1 & -3 \\ -1 & 0 & 5 \\ 3 & -5 & 0\end{array}\right]\), then the value of \(\left|A^{2025}\right|\) is

Let \(x=t^2, y=t^3\). Then \(\frac{d^2 y}{d x^2}\) is equal to

Two antennas A and B have maximum line of sight range R = 45.5 km. If the height of antenna A is 32 m then the height of antenna B is : (Given radius of earth is = 6400 km)

An urn contains 5 red and 5 black balls. A ball is drawn at random, its color is noted and is returned to the urn.
Moreover, 2 additional balls of the same color are put in the urn and then a ball is drawn at random.
The probability that the second drawn ball is red, is :

Biopiracy refers to :