Agarose extracted from seaweeds finds use in:
1.  tissue culture
2.  PCR
3.  gel electrophoresis
4.  spectrophotometry

Which one of the following structural formulae of two organic compounds are correctly identified along with its related function? 

 

A certain patient, X, is suspected to be suffering from acquired immune deficiency syndrome. Which diagnostic technique will you recommend for its detection?

Which one of the following statements is correct for secondary succession?

Which one of the following pairs of gases are the cause of 'Greenhouse effect'?

1. ${\mathrm{CO}}_2$ $\mathrm{and}$ $\mathrm{CO}$

2. ${\mathrm{CFC}}_{\mathrm{s}}$ $\mathrm{and}$ ${\mathrm{SO}}_2$

3. ${\mathrm{CO}}_2$ $\mathrm{and}$ ${\mathrm{N}}_2\mathrm{O}$

4. ${\mathrm{CO}}_2$ $\mathrm{and}$ ${\mathrm{O}}_3$

Match the source gland with its respective hormone as well as the function.