Exploration of molecular, genetic and species level diversity for novel products of economic importance is known as

Which kind of therapy was given in \(1990\) to a four­year­old girl with adenosine deaminase \((ADA)\) deficiency ?

Statements related to human Insulin are given below. Which statement(s) is/are correct about genetically engineered Insulin? \((a)\) Pro-hormone insulin contain extra stretch of C-peptide \((b)\) A-peptide and B-peptide chains of insulin were produced separately in E.coli, extracted and combined by creating disulphide bond between them. \((c)\) Insulin used for treating Diabetes was extracted from Cattles and Pigs. \((d)\) Pro-hormone Insulin needs to be processed for converting into a mature and functional hormone. \((e)\) Some patients develop allergic reactions to the foreign insulin. Choose the most appropriate answer from the options given below:

Which group of animals belong to the same phylum?

The following graph depicts changes in two populations \((A\) and \(B)\) of herbivores in a grassy field. \(A\) possible reason for these changes is that

Cell wall is absent in

If \('+'\) sign is assigned to beneficial interaction, \('-'\) sign to detrimental and \('O'\) sign to neutral interaction, then the population interaction represented by \('+'\, '-'\) refers to

Which of the following compounds shall not produce propene by reaction with \(HBr\) followed by elimination or direct only elimination reaction ?

If both parents are carriers for thalassaemia, which is an autosomal recessive disorder, what are the chances of pregnancy resulting in an affected child?

Match the stages of meiosis in column I to their characteristic features in column II and select the correct option using the codes given below.

Column \(-I\)	Column \(-II\)
(A) Pachytene	(i) Pairing of homologous chromosomes
(B) Metaphase\(-I\)	(ii) Terminalisation of chiasmata
(C) Diakinesis	(iii) Crossing-over takes place
(D) Zygotene	(iv) Chromosomes align at equatorial plate

A specific recognition sequence identified by endonucleases to make cuts at specific positions within the \(DNA\) is :

Out of \(‘X ’\) pairs of ribs in humans only \(‘Y' \) pairs are true ribs. Select the option that correctly represents values of \(X\) and \(Y\) and provides their explanation.

An organ pipe filled with a gas at \(27^{\circ}\,C\) resonates at \(400\,Hz\) in its fundamental mode. If it is filled with the same gas at \(90^{\circ}\,C\), the resonance frequency at the same mode will be \(...........\,Hz\)