An insulin molecule consists of _____polypeptide chains?

1. 1. 0.5
   2. 1
   3. 2
   4. 3

Some bacteria ranging occasionally a size of 500 ?m in length are_____.

1. 1. Escherichia coli
   2. Mycoplasma
   3. Epulopiscuim
   4. Spirochetes

Hunger pangs usually begin _____after the previous meal.

1. 1. 12-24 hours
   2. 2-4 hours
   3. 6-8 hours
   4. 10-12 hours

Pigment present in red algae is_____.

1. 1. Fucoxanthin
   2. Phycoerythrin
   3. Phycocyanin
   4. Bilirubin

Ingestion of some water with food in Amoeba takes place by the process of _____.

1. 1. Endosmosis
   2. Phagocytosis
   3. Pinocytosis
   4. All of these

Which of the following is called black bread mold?

1. 1. Pilobolus
   2. Rhizopus
   3. Penicillium
   4. Neurospora

Vaccine was first developed by_____.

1. 1. Louis Pasture
   2. Jaber Ibn Hayan
   3. Edward Jenner
   4. Aristotle

Which of the following statement about an arthropod exoskeleton is incorrect?

1. 1. It contains joints, for the same purpose as present in human skeletal system
   2. It permits gaseous exchange
   3. It provides muscle attachment
   4. Like all the other types of exoskeleton, they lack sensation

Bacteriochlorophylls does not include_____.

1. 1. Chlorophyll e
   2. Chlorophyll d
   3. Chlorophyll c
   4. Chlorophyll a

Who is the father of carbohydrate ?

1. 1. Claude Silbert Hudson
   2. Anselme Payen
   3. Jons jacob Berzeliis
   4. Justus von Liebig