The blood does not clot inside the body because of

• oxygenation of blood

• movement of blood

• heparin in blood

• absence of fibrinogen in blood

Which one is the cofactor of carbonic anhydrase?

• Iron (Fe)

• Zinc (Zn)

• Copper (Cu)

• Magnesium (Mg)

Which of the following is not a conjugated protein?

• Peptone

• Phosphoprotein

• Lipoprotein

• Chromoprotein

Bacteriophages kill

• fungi

• parasites

• bacteria

• viruses

Red cell count is carried out by

• haemocytometer

• haemoglobinometer

• sphygmomanometer

• electrocardiogram

What is mitoplast?

• Membraneless mitochondria

• Another name of mitochondria

• Mitochondria without outer membrane

• Mitochondria without inner membrane

The outer covering of cartilage is called

• peritonium

• periosteum

• endosteum

• perichondrium

Which one is diaminodicarboxylic amino acid?

• Cystine

• Lysine

• Cysteine

• Aspartic acid

Rh factor can produce disease

• AIDS

• Turner's syndrome

• Erythroblastosis foetalis

• Sickle-cell anaemia

Vitamin-D is produced in human body in

• muscles

• nerves

• skin

• bone marrow