Kingdom Monera

Question 1

who are the sole members of kingdom monera

Answer 1

bacteria

Question 2

which organisms can live in hot springs, deserts, snow and deep oceans where most life forms cannot survive

Answer 2

bacteria

Question 3

four categories of bacteria based on their shape

Answer 3

spherical coccus
rod shaped bacillus
comma shaped vibrium
spiral shaped spirillum

Question 4

two types of bacteria

Answer 4

archaebacteria
eubacteria

Question 5

which type of bacteria live in harsh habitats

Answer 5

archaebacteria

Question 6

archaebacteria that live in extreme salty areas are called

Answer 6

halophiles

Question 7

archaebacteria that live in hot springs are called

Answer 7

thermoacidophiles

Question 8

archaebacteria that live in marshy areas are called

Answer 8

methanogens

Question 9

which feature of archaebacteria is responsible for their survival in extreme conditions

Answer 9

they have a different cell wall as compared to other bacteria

Question 10

which archaebacteria are present in the gut of several ruminants such as cows and buffaloes and they are also responsible for production of which biogas from the dung of these animals

Answer 10

methanogens
methane

Question 11

what are eubacteria characterised by

Answer 11

presence of a rigid cell wall and, if motile, a flagellum

Question 12

cyanobacteria have ______________ similar to green plants and they are photosynthetic autotrophs

Answer 12

chlorophyll ‘a’

Question 13

the colonies of cyanobacteria are generally surrounded by

Answer 13

a gelatinous sheath

Question 14

cyanobacteria often form blooms in ___________

Answer 14

polluted water bodies

Question 15

cyanobacteria can fix atmospheric nitrogen in specialised cells called ____________
examples

Answer 15

heterocysts
nostoc and anabaena

Question 16

chemosynthetic autotrophic bacteria oxidise various inorganic substances such as ________________________________ and use the released energy for ATP production

Answer 16

nitrates, nitrites and ammonia

Question 17

heterocysts play a great role in recycling which nutrients

Answer 17

nitrogen
phosphorus
iron
sulphur

Question 18

examples of where heterotropic bacteria is helpful in human affairs

Answer 18

making curd from milk
production of antibiotics
fixing nitrogen in legume roots

Question 19

some well known diseases caused by bacteria

Answer 19

cholera
typhoid
tetanus
citrus canker

Question 20

bacteria reproduce mainly by ________

Answer 20

fission

Question 21

sometimes, under unfavourable conditions, bacteria produce ___________ to reproduce

Answer 21

spores

Question 22

how do bacteria sexually reproduce

Answer 22

adopting a primitive type of DNA transfer from one bacterium to the other

Question 23

which organisms completely lack a cell wall

Answer 23

mycoplasma

Question 24

can mycoplasma survive without oxygen

Answer 24

yes
(also many of them are pathogenic)