Hepatitis B vaccine is produced from:

Match List - I with List - II.

LIST I	LIST II
A. Anabaena	I. Preparation of Ethanol
B. Monascus purpureus	II. Statins
C. Saccharomyces cerevisiae	III. Cyanobacteria
D. Trichoderma polysporum	IV. Cyclosporin A

Choose the correct answer from the options given below:

RNA polymerase III is responsible for the transcription of -

Read the following passage carefully and answer the given questions.
Productivity in the Ecosystem The flow of energy through a terrestrial ecosystem starts with the harnessing of sunlight by autotrophs. The radiant energy is converted by photosynthesis to organic compounds is known as productivity. The productivity is expressed in units of energy per unit of area per unit time. The amount of organic matter present at any given time is biomass. The productivity of any ecosystem is affected by many parameters like weather conditions, nutrient availability etc. The productivity of any ecosystem does vary seasonally and yearly.
The Net Primary Productivity of an ecosystem are represented by:

Match List-l with List-II

List-l (Enzymes)	List-II (Products)
(A) RNA polymerase I	(I) hnRNA
(B) RNA polymerase III	(II) Polymerization of deoxynucleotides
(C) RNA polymerase II	(III) rRNAs
(D) DNA polymerase	(IV) tRNA, 5srRNA and snRNAS

Choose the correct answer from the options given below:

In the exponential growth model equation dN/dt= rN 'N' stands for:

Read the given passage and answer the question.
ABO blood groups in human beings are controlled by the gene I. The plasma membrane of the red blood cells has sugar polymers that protrude from its surfaces and the kind of sugar is controlled by the gene. The gene (I) has three alleles IA, IB and I. The alleles IA and IB produce a slightly different form of the sugar while allele i does not produce any sugar. Because humans are diploid organisms, each person possesses any two of the three I gene alleles, IA and IB are completely dominant over I.
Match List - I with List - II.

List - I (Phenotype)	List - II (Genotype)
(A) Blood group A	(I) IB IB, IBi
(B) Blood group B	(II) IA, IA IA
(C) Blood group O	(III) IA IB
(D) Blood group AB	(IV) ii

Choose the correct answer from the options given below :

The radius of innermost electron orbit of a hydrogen atom is \( 5.3 \times 10^{-11} \text{ m} \). What is the radius of n = 2 orbit ?

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 degradation of detritus into simpler inorganic substances by the bacterial and fungal enzymes is called as-

Consider the following hypothetical redox reaction
\(\mathrm{A}(s)+2 \mathrm{~B}^{+}(a q) \rightarrow \mathrm{A}^{2+}(a q)+2 \mathrm{~B}(s): E_{\mathrm{cell}}^0=0.295 \mathrm{~V}\)
The equilibrium constant of the reaction at 298 K will be:

p-Hydroxyazobenzene is also called as

"Answer the question on basis of passage given below :
Carboxylic acids are weaker than mineral acids, but they are stronger acids than alcohols and many simple phenols (\(\text{pKa}\) is ~ 16 for ethanol and 10 for phenol). The higher acidity of carboxylic acids as compared to phenols can be understood similarly. The conjugate base of carboxylic acid, a carboxylate ion, is stabilised by two equivalent resonance structures in which the negative charge is at the more electronegative oxygen atom. The conjugate base of phenol, a phenoxide ion, has non-equivalent resonance structures in which the negative charge is at the less electronegative carbon atom. Further, the negative charge is delocalised over two electronegative oxygen atoms in carboxylate ion whereas it is less effectively delocalised over one oxygen atom and less electronegative carbon atoms in phenoxide ion. Thus, the carboxylate ion is more estabilised than phenoxide ion, so carboxylic acids are more acidic than phenols.
Effect of substituents on the acidity of carboxylic acids: substituents may affect the stabliity of the conjugate base and thus, also affect the acidity of the carboxylic acids. Electron withdrawing group increase the acidity of carboxylic acids by stabilising the conjugate base through delocalisation of the negative charge by inductive and/or resonance effects. Conversely, electron donating groups decrease the acidity by destabilising the conjugate base.
Which of the following compounds would have the smallest value of \(\text{pKa}\)?"

If \(\left|\begin{array}{cc}2 x & 2 \\ 4 & x\end{array}\right|=10\), then \(x\) is: