The constant $pH$ of body fluid is maintained by buffer salts like

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The energy released by one molecule of $ATP$ is approximately: (in $kcal$)

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

$A$. Trypsin	$I$. Intercellular ground substance
$B$. Morphine	$II$. Lectin
$C$. Concanavalin	$III$. Enzyme
$D$. Collagen	$IV$. Alkaloid

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Categorize the following processes as Anabolic or Catabolic:
$I -$ Protein synthesis,
$II -$ Lactic acid fermentation,
$III -$ Aerobic respiration,
$IV -$ Alcoholic fermentation,
$V -$ Synthesis of cholesterol from acetic acid,
$VI -$ Photosynthesis,
$VII -$ Digestion,
Identify the Anabolic and Catabolic processes respectively.

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

List $-I$	List $-II$
$a$. Adenine	$i$. Pigment
$b$. Anthocyanin	$ii$. Polysaccharide
$c$. Chitin	$iii$. Alkaloid
$d$. Codeine	$iv$. Purine

Choose the correct answer from the options given below: