Bacteria & Gram Staining FYBSc Microbiology MCQs Set-2

microbiology mcqs

1:During mitosis, synapsis occurs in the
phase called

(a) Telophase
(b) Anaphase
(c) Prophase
(d) None of the above

Answer:(c) Prophase

2:Which of the following change is a

(d) None of these

Answer:(d) None of these

3:Citrus canker is caused by

(a) Phytomonas
(b) Salmonella
(c) Lactobacillus
(d) Hay bacillus

Answer:(a) Phytomonas

4:Bacteria that are responsible for
fermentation of dairy milk are

(a) Azetobacter
(b) Rhizobium
(c) Lactobacillus
(d) Hay bacillus

Answer:(c) Lactobacillus

5:The fungal disease that affect the internal
organs and spread through the body are

(a) Mycoses
(b) Systemic mycoses
(c) Mycotoxicosis
(d) Superficial mycoses

Answer:(b) Systemic mycoses

6:The staining technique used to stain the
metachromatic granules of Corynebacterium

(a) Giemsa stain
(b) Alberts stain
(c) Acid fast staining
(d) Both a and b

Answer:(b) Alberts stain

7:The orderly increase in all components
of protoplasm of a cell is called

(a) Reproduction
(b) Cell division
(c) Growth
(d) All of the above

Answer:(c) Growth

8:The causative organism of cholera, i.e.,
Vibrio show the movement called

(a) Gliding movement
(b) Darting movement
(c) Pseudopoidal movement
(d) None of these

Answer:(b) Darting movement

9:Erythrocytes will get its ATP energy only

(a) Glycolysis
(b) Kreb’s cycle
(c) Electron Transport
(d) HMP shunt

Answer:(a) Glycolysis

10:Virus will contain

(a) Cell membrane
(b) Cell wall
(c) DNA
(d) DNA or RNA

Answer:(d) DNA or RNA

11:The bacterial pili mainly contain

(a) Carbohydrates
(b) Lipids
(c) Proteins
(d) Minerals

Answer:(c) Proteins

12:The wonder drug of second world war is
produced by

(a) Algae
(b) Fungi
(c) Bacteria
(d) Plants

Answer:(b) Fungi

13:Role of bacteria in carbon cycle is

(a) Photosynthesis
(b) Chemosynthesis
(c) Breakdown of organic compounds
(d) Assimilation of nitrogen compounds

Answer:(c) Breakdown of organic compounds

14:Centromere is that part of chromosome

(a) Nucleoli are formed
(b) Crossing over takes places
(c) Chromatids are attached
(d) Naking occurs

Answer:(c) Chromatids are attached

15:Somatic cell of the adult body are haploid
in many except

(a) Vertebrates
(b) Invertebrates
(c) Fungi
(d) Vascular plants

Answer:(c) Fungi

16:Congential diseases are

(a) Diseases present at birth
(b) Deficiency disease
(c) Occur during life
(d) Spread from one individual to another

Answer:(a) Diseases present at birth

17:The enzyme needed in biological systems
for joining two molecules is called

(a) Lyases
(b) Diastases
(c) Polymerases
(d) Hydrolase

Answer:(c) Polymerases

18:Meosomes are the part of

(a) Plasma membrane
(b) ER
(c) Lysosomes
(d) Golgi

Answer:(a) Plasma membrane

19:All prokaryotes are surrounded by a cell
wall except

(a) Mycoplasms
(b) Sperochetes
(c) Actinomycetes
(d) Methanogena

Answer:(a) Mycoplasms

20:Enzyme hydrolyzing bacterial cell wall

(a) Lysozome
(b) Reductase
(c) Protease
(d) Lysozyme

Answer:(d) Lysozyme

21:Cows can digest straw because they contain

(a) Cellulose hydrolyzing microorganisms
(b) Protein hydrolyzing bacteria
(c) Lipid hydrolyzing microorganisms
(d) Amino acid degrading bacteria

Answer:(a) Cellulose hydrolyzing microorganisms

22:The nucleus controls protein synthesis in
the cytoplasm by sending

(a) Chromatin
(b) A DNA template
(c) m RNA molecule
(d) A pecialized protein

Answer:(c) m RNA molecule

23:The site of energy production in a cell

(a) Micro body
(b) Chromosome
(c) Ribosome
(d) Mitochondria

Answer:(d) Mitochondria

24:Thylakoid is present in

(a) Mitochondria
(b) Chloroplast
(c) ER
(d) Golgi apparatus

Answer:(b) Chloroplast

25: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

Answer:(d) Agrobacterium tumefaciens

26:Maximum application of animal cell
culture technology today is in the
production of

(a) Insulin
(b) Interferons
(c) Vaccines
(d) Edible proteins

Answer:(c) Vaccines

27:Bacterial ribosomes are composed of

(a) Protein and DNA
(b) Protein and mRNA
(c) Protein and rRNA
(d) Protein and tRNA

Answer:(c) Protein and rRNA

28:The potorespiration involves

(a) Calvin cycle
(b) Hatch-Slack cycle
(c) Glycolate cycle
(d) Kreb’s cycle

Answer:(c) Glycolate cycle

29:Bioleaching is done by

(a) Protozoa
(b) Bacteria
(c) Algae
(d) All of the above

Answer:(b) Bacteria

30:Inclusion bodies diagnostic of rabies are

(a) Elementary bodies
(b) Pascheur bodies
(c) Negri bodies
(d) Guarnieri bodies

Answer:(c) Negri bodies