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
transition?
(a) ATGC’!ATCC
(b) ATGC’!ATGG
(c) ATGC’!AGGC
(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
called
(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
by
(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
where
(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
called
(a) Elementary bodies
(b) Pascheur bodies
(c) Negri bodies
(d) Guarnieri bodies
Answer:(c) Negri bodies
