1. Cows can digest straw because they contain
a) Cellulose hydrolyzing microorganisms
b) Protein hydrolyzing bacteria
c) Lipid hydrolyzing microorganisms
d) Amino acid degrading bacteria
2. The nucleus controls protein synthesis in
the cytoplasm by sending
a) Chromatin
b) A DNA template
c) m RNA molecule
d) A pecialized protein
3. The site of energy production in a cell
a) Micro body
b) Chromosome
c) Ribosome
d) Mitochondria
4. Thylakoid is present in
a) Mitochondria
b) Chloroplast
c) ER
d) Golgi apparatus
5. Which one of the following bacteria has
found extensive use in genetic engineering
work in plants?
a) Clostridum septicum
b) Xanthomonas oriza
c) Bacillus coagulens
d) Agrobacterium tumefaciens
6. Maximum application of animal cell
culture technology today is in the
production of
a) Insulin
b) Interferons
c) Vaccines
d) Edible proteins
7. Bacterial ribosomes are composed of
a) Protein and DNA
b) Protein and mRNA
c) Protein and rRNA
d) Protein and tRNA
8. The potorespiration involves
a) Calvin cycle
b) Hatch-Slack cycle
c) Glycolate cycle
d) Kreb’s cycle
9. Bioleaching is done by
a) Protozoa
b) Bacteria
c) Algae
d) All of the above
10. Inclusion bodies diagnostic of rabies are
called
a) Elementary bodies
b) Pascheur bodies
c) Negri bodies
d) Guarnieri bodies