1. The bacterial pili mainly contain
a) Carbohydrates
b) Lipids
c) Proteins
d) Minerals
2. The wonder drug of second world war is
produced by
a) Algae
b) Fungi
c) Bacteria
d) Plants
3. Role of bacteria in carbon cycle is
a) Photosynthesis
b) Chemosynthesis
c) Breakdown of organic compounds
d) Assimilation of nitrogen compounds
4. Centromere is that part of chromosome
where
a) Nucleoli are formed
b) Crossing over takes places
c) Chromatids are attached
d) Naking occurs
5. Somatic cell of the adult body are haploid
in many except
a) Vertebrates
b) Invertebrates
c) Fungi
d) Vascular plants
6. Congential diseases are
a) Diseases present at birth
b) Deficiency disease
c) Occur during life
d) Spread from one individual to another
7. The enzyme needed in biological systems
for joining two molecules is called
a) Lyases
b) Diastases
c) Polymerases
d) Hydrolase
8. Meosomes are the part of
a) Plasma membrane
b) ER
c) Lysosomes
d) Golgi
9. All prokaryotes are surrounded by a cell
wall except
a) Mycoplasms
b) Sperochetes
c) Actinomycetes
d) Methanogena
10. Enzyme hydrolyzing bacterial cell wall
a) Lysozome
b) Reductase
c) Protease
d) Lysozyme