RTMNU EXAMINATION, NABIRA MAHAVIDYALAYA KATOL 2020

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B.Sc. SEM I BIOTECHNOLOGY
PAPER I
(microbiology)

All 25 questions are compulsory
Each question has 2 marks
MM 50
Time 45 min.

Name of students

Roll No.

Mobile no.

Enrollment no

Which of the following is differential staining.

Simple staining

Grams staining

Negative staining

None of these

Option 5

Clear selection

Example of mordant in grams staining

Iodine

Crystal violet

Ethanol

None

Clear selection

Tennic acid of flagilla staining are used as

Counter stain

Primarily stain

Mordant

Decoloriser

Clear selection

Tetrathionate broth is

Selective media

Enrichment media

Common media

None of these

Clear selection

Which microscope based on electron sources of light

SEM

TEM

BOTH

None of these

Clear selection

Application of dark field microscope is

To see wet slide

To see strained slides

To see motility

Both A and C

Clear selection

The important contribution of Louise pasture is

Pasteurization

Vaccination

Antibiotics

First microscope

Clear selection

Techniques of microbiology is developed by

Robert koch

Louise pasture

Alexander flaming

John Lewis

Clear selection

Edvard Jenner is known for

Pasteurization

Vaccination

Both

None of these

Clear selection

3 D image obtain by using

SEM

TEM

BFM

All of these

Clear selection

Bright field microscope contains

10 X lense

45 X lense

100 X lense

All of these

Clear selection

Bacterial locomotion organ is

Pili

Flagilla

Mesosomes

All of these

Clear selection

Cell wall of bacteria is made up from

Carbohydrates

Proteins

Peptidoglycon

None of these

Clear selection

Plamid is

Genetic material

Extar chromosomal genetic material

Respiratory organs

None

Clear selection

R plsamid related with

Cell division

Resistance

Sensitivity

Pathogenicity

Clear selection

Which of the following are connectivity link between living and none living

Bacteria

Virus

Fungi

Clear selection

Example of selective media is

Nutrient Agar

MacConkey Agar

Peptone

All of these

Clear selection

Bacteriological peptone is the source of....

Carbon

Nitrogen

Sulfate

All of these

Clear selection

Host attachment organ of viruses is called

Stracha

Spin

Spike

Spice

Clear selection

Florescent microscopes principle is

Fluorescence phenomenon

Diffused phenomena

Diffraction phenomena

None of these

Clear selection

Florescent dyes are

Absorbed shorter wavelengths

Emit higher wavelengths

Both A and B

Not absorbed wavelengths

Clear selection

Function of condenser lense in bright field microscope is

To make displays of light

To make cone of light

Stop and control the light

Divers the light

Clear selection

Numerical aperture is

Angle between two outer most rays

Angle between optical axis and outer most rays

It is not angle

It is magnificent of lense

Clear selection

Zheil and Nelson staining is used for observing of

Bacillus spp.

Micribium spp

Mycobacterium spp.

Acetobacterium spp.

Clear selection

Green metallic sheen's of E. Coli is appeared on

Mac Conkey agar medium

E.M.B agar medium

M Endo agar medium

Selinite agar medium

Clear selection

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