Short Answer Type(a) Can a plant flowering in Mumbai be pollinated by pollen grains of the same species growing in New Delhi ? Provide explanations to your answer.
Both Haemophilia and Thalassemia are blood related disorders in humans. Write their causes and the difference between the two. Name the category of genetic disorder they both come under.
(a) List the two methodologies which were involved in human genome project. Mention how they were used.
(b) Expand ‘YAC’ and mention what was it used for.
Write the characteristics of Ramapithecus, Dryopithecus and Neanderthal man.
Characteristics of Ramapithecus : - * It evolved around 15 mya.
* More man-like, walked more erect, teeth like modern man. Characteristics of Dryopithecus : -
* It evolved around 25 mya. * Ape like, hairy arms and legs of same length, large brain, ate soft fruits and leaves, walked like gorillas and chimpanzees. Characteristics of Neanderthal Man : -
* It evolved around 1,00,000-40,000 year ago.
* Fossil found in east and central Asia, brain size 1400 cc used hides to protect body, buried their dead.
Name a human disease, its causal organism, symptoms (any three) and vector, spread by intake of water and food contaminated by human faecal matter.
(a) Write the desirable characters a farmer looks for in his sugarcane crop. (b) How did plant breeding techniques help north Indian farmers to develop cane with desired characters ?
Secondary treatment of the sewage is also called Biological treatment. Justify this statement and explain the process
(a) Explain the significance of palindromic nucleotide sequence in the formation of recombinant DNA.
(b) Write the use of restriction endonuclease in the above process.
Describe the roles of heat, primers and the bacterium Thermus aquaticus in the process of PCR.
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