Importance Of bacteria

Question 1

What is nitrogen fixation

Answer 1

Conversion of nitrogen gas into nitrogenous compounds by the action of some bacteria

Question 2

What is the mean nitrogen compound used by plants

Answer 2

Nitrate

Question 3

Name ammonifying bacteria

Answer 3

Bacillus vulgaris
Bacillus mycoid
Bacillus ramosus

Question 4

What is denitrification

Answer 4

The process of conversion of nitrate into free nitrogen gas by the action of bacteria is called denitrification

Question 5

Name some denitrification bacteria

Answer 5

1. Theobacillus denitrificance
2. Pseudomonas denitrificance

Question 6

Name the bacteria which changes ammonia into nitrite

Answer 6

Nitrosomonas
Nitrosococcus

Question 7

Name the bacteria which changes nitrite to nitrate

Answer 7

Nitrobacter

Question 8

What is ammonification

Answer 8

Conversion of nitrogenous compounds obtained from proteins of dead plants and animals into ammonia by the action of bacteria

Question 9

Biological nitrogen fixation is also called

Answer 9

Diazotrophy

Question 10

Name for Symbiotic diaazitrophs

Answer 10

Rhizobium
Azorhizobium
Frankia
Azospirillum

Question 11

Name a D Which shows lose symbiosis or superficial symbiosis

Answer 11

Azospirillum

Question 12

Shows symbiosis with root surface of cereals

Answer 12

Azospirillum

Question 13

Symbiotic relationship with root nodules of non-legume plants

Answer 13

Frankia

Question 14

Symbiotic relationship with stem nodules of SESBANIA

Answer 14

Azorhizobium

Question 15

Forms symbiotic association with root nodules of legume plants

Answer 15

Rhizobium

Question 16

Which enzyme converts nitrogen into ammonia

Answer 16

Nitrogenase

Question 17

Name some known legumes which form sym biotic relationship with Frankia

Answer 17

Alnus
Casuarina

Question 18

Legumes

Answer 18

Pea
Sweet Clover
Clover bean
Broad bean
Alfalfa
Lentils

Question 19

Name an actinomycetes which is D

Answer 19

Frankia

Question 20

Name two bacteria present in soil in free form

Answer 20

Rhizobium
Frankia

Question 21

Name the bacteria which converts milk into curd

Answer 21

Lactobacillus lactis
Streptococcus lactis

Question 22

Full form of LAB

Answer 22

Lactic acid producing bacteria

Question 23

Name the acid which converts ethanol into acetic acid

Answer 23

Acetobacter aceti

Question 24

Name the bacteria which are responsible for curing of tea

Answer 24

Micrococcus condiscence

Question 25

S N of tea

Answer 25

Camellia sinensis

Question 26

Name the bacteria which is responsible for curing of tobacco

Answer 26

Bacillus megatherium

Question 27

SN of tobacco

Answer 27

Nicotiana tobacum

Question 28

Name the bacteria responsible for retting of jute

Answer 28

Clostridium butryricum Butyric Acid Bacteria

Question 29

Name the hydrocarbon eating bacteria

Answer 29

Pseudomonas putida

Question 30

Name the oil eating bacteria

Answer 30

Pseudomonas putida

Question 31

Name an artificial bacteria

Answer 31

Pseudomonas putida

Question 32

Name the super bug

Answer 32

Pseudomonas putida

Question 33

Name the bacteria mainly designed to prevent the disastrous after effects of oil spill

Answer 33

Pseudomonas putida

Question 34

Scientific name of jute

Answer 34

Colchorus olitorius / capsularis

Question 35

Bacteria used in genetic engineering in humans

Answer 35

E. coli

Question 36

Bacteria used for genetic engineering in plants

Answer 36

Agrobacterium tunefacium

Question 37

Cholera

Answer 37

Vibrio cholerae

Question 38

Typhoid

Answer 38

Salmonella typhi

Question 39

Tetanus

Answer 39

Clostridium tetani

Question 40

TB

Answer 40

Mycobacterium tubercularae

Question 41

Leprosy

Answer 41

Mycobacterium leprae

Question 42

Crown Gall disease

Answer 42

Agrobacterium tumefacium

Question 43

Citrus canker

Answer 43

Xanthomonas citri

Question 44

Bacterial leaf blight in rice

Answer 44

Xanthomonas oryzae

Question 45

Plant Pathogenic bacteria are mostly

Answer 45

Gram positive and non endospore forming

Question 46

First discovered antibiotic

Answer 46

Penicillin

Question 47

Penicillin was obtained from

Answer 47

A Fungi —- penicillium notatum

Question 48

Name an antibiotic obtained from bacteria

Answer 48

Streptomysin

Question 49

Name the first discovered bacterial antibiotic

Answer 49

Streptomycin

Question 50

Name the bacteria from which streptomycin was obtained

Answer 50

Streptomyces griseus ( An actinomycetes)