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Ø The technique of polymerase chain reaction (PCR) is used to detect infectious organisms as well as mutations in specific genes. Ø PCR can be used to directly analyse the virus DNA in the case of diseases like AIDS, and it is more specific than the standardised detection done by ELISA. Ø Used to compare a person's DNA to a specific sample, such as blood collected at a crime scene. Ø The PCR may amplify DNA, and by utilising a specific marker, the precise gene that causes the disease can be identified.
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance...
All foxes cannot be huts. No look is a hut.
Statements: All actors are directors.
Some directors are dancers.
All dancers are writers.
Statement:
Only a few P are Q Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
Only a few Q are R Â Â Â Â Â Â Â Â Â Â Â Â...
Statements : All aeroplanes are helicopters.
Some helicopters are kites.
All jets are kites.
Conclusions : I. Some kites not bein...
Statements: Some guitars are harmoniums.
No harmonium is a sitar.
Conclusions: I. Some guitars are not sitars.
II. Some sitars ar...
Statements:
All Shark are Fish.
No Fish is a Whale.
Some Whale are Dolphin.
Conclusion:
Some Whale are Sharks i...
Statements:
All shoes are shirts
Only a few shirts are watches
Some watches are not mobile
Only a few mobile are copy
...Statements: No sun is a core.
       Some cores are earths.
Conclusions: I. Some cores are not suns.
    II. So...
Statement:
Some buckets are mugs.
Some mugs are tubs.
All tubs are plastics.
No plastics is a white.
Conclusion: <...