Match List I with List II

LIST I	LIST II
A. Anaerobic sludge digestor	I. Secondary treatment
B. Primary sludge	II. Activated sludge
C. Change in BOD	III. Primary treatment
D. Bacterial flocs	IV. Biogas

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Match List - I with List - II.

LIST I	LIST II
A. Structural genes in eukaryotes	I. Polycistronic
B. The coding sequence that appear in mature RNA	II. Monocistronic
C. Structural genes in Prokaryotes	III. Intron
D. Sequences not present in processed RNA	IV. Exons

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Read the following passage carefully and answer the given questions.
Restriction endonuclease on finding its specific recognition sequence, bind to the DNA and cut each of the two strands of the double helix at specific points in their sugar -phosphate backbones. Each restriction endonuclease recognises a specific palindromic nucleotide sequences in the DNA. Since the DNA is enclosed within the membranes, we have to break the cell open to release DNA along with other macromolecules such as RNA, proteins, polysaccharides and also lipids. This can be achieved by treating the bacterial cells/plant or animal tissue with enzymes such as lysozyme (bacteria), cellulase (plant cells), chitinase (fungus). Now a days the most commonly used matrix is agarose which is a natural polymer extracted from sea weeds. The DNA fragments separate (resolve) according to their size through sieving effect provided by the agarose gel. The first restriction endonuclease-Hind II, whose functioning depended on a specific DNA nucleotide sequence was isolated and characterised five years later. It was found that Hind II always cut DNA molecules at a particular point by recognising a specific sequence of six base pairs. In addition to 'ori', the vector requires a selectable marker, which helps in identifying and eliminating non-transformants and selectively permitting the growth of the transformants. Transformation is a procedure through which a piece of DNA is introduced in a host bacterium. Normally, the genes encoding resistance to antibiotics such as ampicillin, chloramphenicol, tetracycline or kanamycin, etc., are considered useful selectable markers for E. coli.
Transformation is a procedure through which:

Match List I with List - II.

List - I	List - II
(A) Mature mRNA	(I) Adenylation
(B) Heterogeneous nuclear RNA	(II) Exons
(C) Tailing	(III) Methyl guanosine triphosphate
(D) Capping	(IV) RNA polymerase II

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The number of trophic levels in the grazing food chain are restricted because of the:

Arrange the following events in correct sequence.
A. Transformation of morula into blastocyst.
B. Fusion of sperm with an ovum
C. Implantation
D. Initiation of mitotic division in zygote and formation of morula
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Which of the following statements are true ?
(A) Milk obtained from 'Rosie' is nutritionally more balanced for human babies than natural human milk.
(B) Biopiracy refers to the use of bioresources without proper authorization from MNCs.
(C) GEAC is the decisive body for safety and validity of GMOs and GM research respectively.
(D) Transgenic animals help us to understand the contribution of genes in the development of disease.
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A solution contains \(5 0 ~ g\) of a non-electrolytic solute per \(1 0 0 g\) of water at \(2 5 ^{ \circ } C\). The vapor pressure of water is \(2 3 . 5 m m H g\) at this temperature. The molar mass of the solute is \(2 5 0 ~ g ~ m o l ^{-1}\). The vapor pressure of the solution at \(2 5 ^{ \circ } C\) will be

In gel electrophoresis, the natural polymer agarose gel used as medium is extracted from:

The critical angle for light ray going from medium-1 to medium-2 is \(i_c\). What will be the speed of light in medium-2, if its value in medium-1 is \(u\) ?

What is the power factor of an ac circuit having resistance R and inductance L connected in series? (\( \omega \) is the angular frequency )

In an AC generator, a 100 turns coil of area \( 0.10 \text{ m}^2 \) rotates at 50 Hz in a uniform magnetic field of 0.01 T. The maximum voltage generated in the coil is:

Read the following features of the Photoelectric effect.
(A) The maximum kinetic energy of the photoelectrons varies linearly with the frequency of incident radiation
(B) The maximum kinetic energy of the photoelectrons is dependent on its intensity.
(C) For a frequency of incident radiation, lower than the cut-off frequency, photoelectric emission is possible even if the intensity is not large.
(D) Ultraviolet light can eject photoelectrons from copper even if visible light does not eject
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