Mark the mismatched pair:

Statement $A$: Hydrogen is a fuel of energy.
Statement $R$: Photosynthetic microorganisms produce $H_2$,which are capable of converting solar energy into chemical energy.

Who conducted the first study identifying $Bombykol$ as a pheromone?

Read the following four statements $(A-D)$.
$(A)$ Colostrum is recommended for the new born because it is rich in antibodies.
$(B)$ Chikungunya is caused by a Gram-negative bacterium.
$(C)$ Tissue culture has proved useful in obtaining virus-free plants.
$(D)$ Beer is manufactured by distillation of fermented grape juice.
How many of the above statements are wrong?

Match List-$I$ with List-$II$ :

List-$I$ (Bioactive molecules)	List-$II$ (Importance)
$A$. Streptokinase	$I$. Immunosuppressive agent
$B$. Statins	$II$. Removal of clots from the blood vessels
$C$. Lipases	$III$. Blood cholesterol-lowering agent
$D$. Cyclosporin $A$	$IV$. Detergent formulations

Which one of the following statements is correct:
$(i)$ Baculoviruses are excellent candidates for species-specific,narrow-spectrum insecticidal applications.
(ii) Bacillus thuringiensis is used to control butterfly caterpillars.
(iii) Ladybird is useful to get rid of mosquitoes.
(iv) Trichoderma fungus is used as a biocontrol agent for animal pathogens.