Biological Classification

Question 1

Two kingdom classification system was given by

Answer 1

Aristotle

Question 2

5 kingdom classification system was given by

Answer 2

R.H. Whittaker

Question 3

Earlier, bacteria was included in

Answer 3

Plants

Question 4

Earlier BGA was included in

Answer 4

Plants

Question 5

Earlier fungi was included in

Answer 5

Plants

Question 6

Chlamydomonas was earlier placed under

Answer 6

Algae

Question 7

Spirogyra was earlier placed under

Answer 7

Algae

Question 8

Fungal cell wall is made of

Answer 8

Chitin

Question 9

Kingdom Monera consists of

Answer 9

Prokaryotic organisms

Question 10

Kingdom Protista consists of

Answer 10

unicellular eukaryotes

Question 11

Chlamydomonas belong to

Answer 11

Kingdom Protista

Question 12

Chlorella belongs to

Answer 12

Kingdom Protista

Question 13

Paramoecium belongs to

Answer 13

Kingdom Protista

Question 14

Amoeba belongs to

Answer 14

Kingdom Protista

Question 15

sole members of Kingdom Monera

Answer 15

Bacteria

Question 16

Bacteria living in extreme salty areas

Answer 16

Halophiles

Question 17

Bacteria living in hot springs

Answer 17

Thermoacidophiles

Question 18

Bacteria living in marshy area

Answer 18

methanogens

Question 19

Bacteria present in the gut of ruminant animals

Answer 19

Methanogens

Question 20

Which bacteria produce methane (biogas) from dung of these animals

Answer 20

Methanogens

Question 21

Which chlorophyll does BGA has

Answer 21

Chlorophyll a (same as plants)

Question 22

Which bacteria has a gelatinous sheath

Answer 22

Colonial eubacteria

Question 23

Bacterial cells where atmospheric nitrogen is fixed

Answer 23

heterocysts

Question 24

Nitrogen fixing bacteria

Answer 24

Anabena
Nostoc

Question 25

Bacteria which recycle nutrients like N,P,Fe,S

Answer 25

Chemosynthetic autotrophic

Question 26

Which bacteria oxidise inorganic substances such as nitrates,nitrates, ammonia and use the released energy for ATP production

Answer 26

Chemosynthetic autotrophic bacteria

Question 27

Mycoplasma lacks

Answer 27

Cell wall

Question 28

smallest living cells known

Answer 28

Mycoplasma

Question 29

Which organism can survive without oxygen

Answer 29

Mycoplasma

Question 30

How do bacteria reproduce under unfavorable conditions

Answer 30

by producing spores

Question 31

Bacteria's mode of sexual reproduction

Answer 31

transfer of primitive DNA from one bacterium to other

Question 32

Bacteria responsible for production of antibiotics

Answer 32

Heterotrophic

Question 33

Bacteria responsible for fixing nitrogen in legume

Answer 33

Heterotrophic bacteria

Question 34

Bacteria helpful in making curd from milk

Answer 34

Heterotrophic bacteria

Question 35

All single celled eukaryotes are placed under

Answer 35

Kingdom Protista

Question 36

Primary habitat of Protists

Answer 36

aquatic

Question 37

What forms link between plants, animals and fungi

Answer 37

Protista

Question 38

Examples of chrysophytes

Answer 38

Diatoms Golden algae(desmids) Plankton

Question 39

The cell wall in diatoms

Answer 39

Form two thin overlapping shells, which fit together

Question 40

Cell wall in diatoms are embedded with

Answer 40

Silica

Question 41

Which organism forms diatomaceous earth

Answer 41

Diatoms (chrysophytes)

Question 42

Which organism is chief producer in oceans

Answer 42

Diatoms

Question 43

Which organism has pigmented cells

Answer 43

Dinoflagellates

Question 44

Stiff cellulosic plates on the outer surface is the characteristic feature of

Answer 44

Dinoflagellates

Question 45

Which organism has one longitudinal and one transverse flagella

Answer 45

Dinoflagellates

Question 46

Examples of red dinoflagellates

Answer 46

Gonyaulax

Question 47

Red tides are caused by

Answer 47

Gonyaulax

Question 48

Which organism has pigment similar to higher plants

Answer 48

Euglenoids

Question 49

Which organism behaves autotrophic under sun and heterotrophic without sun

Answer 49

Euglenoids

Question 50

Which organism has one long and one short flagella

Answer 50

Euglenoids

Question 51

Protein rich layer responsible for flexibility in Euglenoids is

Answer 51

Pellicle

Question 52

Saprophytic Protists

Answer 52

Slime moulds

Question 53

Which organism form aggregate called plasmodium

Answer 53

Slime mould (Protists)