Short Answer TypeA geneticist interested in studying variations and patterns of inheritance in living beings prefers to choose organisms for experiments with shorter life cycle. Provide a reason.
State a reason for the increased population of dark coloured moths coinciding with the loss of lichens (on tree barks) during industrialization period in England.
Indiscriminate diagnostic practices using X-rays etc., should be avoided. Give one reason.
After a brief medical examination a healthy couple came to know that both of them are unable to produce functional gametes and should look for an ‘ART’ (Assisted Reproductive Technique). Name the ‘ART’ and the procedure involved that you can suggest to them to help them bear a child.
How has mutation breeding helped in improving the production of mung bean crop ?
Mutational breeding was used to introduce resistance to yellow mosaic virus and powdery mildew in the mung bean crop thus improving the production of the crop. Chemicals and radiation were used to induce mutations in the mung bean crop and the plants with the desirable qualities like resistance to virus were selected.
Mention a product of human welfare obtained with the help of each one of the following microbes:
(a) LAB
(b) Saccharomyces cerevisiae
(c) Propionibacterium sharmanii
(d) Aspergillus niger
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