MPPSC Scientific Officer Biotechnology Paper 2013

MPPSC Scientific Officer Biotechnology Paper 2013

Gobar gas is produced from dung and is basically
(a) Carbon mono-oxide
(b) Hydrogen sulphide
(c) Methane
(d) Butane

A eutrophicated pond has the BOD
(a) Optimum
(b) Very high
(c) Very low
(d) None of the above

Which of the following is commercially produced through fermentation ?
(a) Vitamin C
(b) Vitamin D
(c) Vitamin B12
(d) Penicillin

Which is naturally acquired active immunity ?
(a) Measles or Chicken pox
(b) Filaria
(c) Hepatitis
(d) IgG

Language of gene is called as
(a) Nucleoside
(b) Gene sequence
(c) Genetic code
(d) Operon

Antioxidants
(a) Add toxic oxygen to the body
(b) Inactivate reactive oxygen
(c) Reduce cellular respiration
(d) Prevent dehydration

Most popular medicinal plant Aloe Vera is a
(a) Mesophyte
(b) Hydrophyte
(c) Xerophyte
(d) Mangrove plant

Secondary metabolites
(a) Constitute the plant body
(b) Synthesized and stored in plant parts
(c) Are the secondary use and of no commercial value
(d) End products of metabolic reactions

Krenz anatomy is found in
(a) C3 plants
(b) C4 plants
(c) All microorganisms
(d) Dicoteledons only

During Calvin cycle, CO2 acceptor is
(a) Phosphoglyceraldehyde
(b) Ribulose 1,5 diphosphate
(c) Alpha ketogluteric acid
(d) Pyriuvic acid

Vinegar is obtained through
(a) Broth culture
(b) Aerobic respiration
(c) Fermentation
(d) Biroremediation

Carbon dequestration can be done by
(a) Euglena
(b) Sulphur bacteria
(c) Photosyntheic microorganisms
(d) Mycoplasma

Soilless cultures are known as
(a) Micropropagules
(b) Magroves
(c) Hydroponics
(d) Implants

Radioactive pollution hazard was most severely suspected recently in
(a) South America
(b) The Netherlands
(c) Japan
(d) Armenia

Fertile layer of the soil is
(a) Subsoil
(b) Top soil
(c) Both (a) & (b)
(d) None of the above