prokaryotes

Question 1

when coccus divides in 3 planes , it will produce a

Answer 1

sarcina

Question 2

cell wall is only absent in which bacteria

Answer 2

mycoplasma (smallest type of bacteria)

Question 3

syphilis is caused by

Answer 3

spirochaete

Question 4

the entire cell wall is often regarded as a single huge molecule or molecular complex called —–

Answer 4

saculus

Question 5

in prokaryotes —— are involved in respiration

Answer 5

mesosomes and cell membrane

Question 6

a bacterium with tuft of flagella at both poles is called

Answer 6

amphitrichous

Question 7

the most common waste material produced by bacteria is

Answer 7

lactic acid

Question 8

in which category does neiserria most likely fall?

Answer 8

cocci

Question 9

cyanobacteria help in nitrogen fixation since they have

Answer 9

heterocyst

Question 10

periplasmic space, pilli and liposaccharid and lipid membrane is present in

Answer 10

gram negative bacteria

Question 11

purple non sulfur is an example of

Answer 11

photosynthetic bacteria

Question 12

example of bacteria requiring low conc of O2 is

Answer 12

campylobacter

Question 13

cyanobacteria undergo photosynthesis with help of

Answer 13

phycobilisome

Question 14

cocobacillus has a similar shape to

Answer 14

egg

Question 15

which of the following bacteria is similar to the size of a hyphen

Answer 15

epulopiscium

Question 16

approx how many bacteria are known to cause disease in humans?

Answer 16

200

Question 17

deafness is caused by the excess of

Answer 17

streptomycin

Question 18

which region of rna is reponsible for binding ribosomes during prokaryotic translation

Answer 18

shrine dalgrano sequence

Question 19

compound microscope and animacules was first used by

Answer 19

AV leeuwenhouck

Question 20

robert koch discovered bacteria that cause

Answer 20

tb and cholera

Question 21

the nitrifying bacteria are an example of

Answer 21

chemosynthetic bacteria

Question 22

Which bacteria is a Bacilli? (rod shaped)

Answer 22

Pseudomonas

Question 23

Vibrio is what kind of spiral?

Answer 23

Vibrio is a genus of Gram-negative bacteria, possessing a curved-rod (comma) shape, several species of which can cause foodborne infection, usually associated with eating undercooked seafood.

Question 24

It is a very sticky gelatinous structure made up of polysaccharides and proteins:

Answer 24

capsule

Question 25

What is the main difference between the cyst and spores in bacteria?

Answer 25

Both cyst and spores are dormant but only spores are resistant to heat, light, pH and desiccation. Cysts are affected by the heat changes.

Question 26

The classification of bacteria is based on

Answer 26

morphology, mode of nutrition, biochemical and genetic characteristic.

Question 27

salmonella typhi is what type of bacterium

Answer 27

bacillus (rod shape)

Question 28

milk sugar is pasteurized by heating for 15s at the temp of

Answer 28

72 C

Question 29

murein cell wall is composed of

Answer 29

sugar and amino acids

Question 30

the stain of gram positive ➕bacteria is

Answer 30

permanent

Question 31

which group of bacteria never forms colony

Answer 31

spirilla

Question 32

— strains of streptococcus bacteria are still detected

Answer 32

80
(vaccines r available only for 23)

Question 33

what type of amino acids does the cell wall of bacteria contain

Answer 33

Right handed amino acids

Question 34

sizes of phages range

Answer 34

24-200 nanometer