Bio Classification

Question 1

The character that united bga mosses ferns etc. in kingdom plantar was

Answer 1

On basis of the cell walls

Question 2

Chlorella and spirogyra are placed under kingdom

Answer 2

Protista

Question 3

Bacteria show most extensive metabolic diversity

Answer 3

True

Question 4

Cyanobacteria are unicellular colonial and filamentous freshwater/ marine/ terrestrial alga

Answer 4

True

Question 5

Chemosynthesis autotrophic bacteria help in recycling nutrients like nitrogen sulphur iron and phosphorus

Answer 5

True

Question 6

Heterotrophic bacteria do not help in nitrogen fixation in legumes

Answer 6

False

Question 7

The organisms that do not posses a cell wall and can survive without oxygen

Answer 7

Mycoplasma

Question 8

Members of protista are primarily

Answer 8

Aquatic

Question 9

Float passively in water currents (planktons)

Answer 9

Crysophytes

Question 10

Diatoms are chief producer in the oceans

Answer 10

True

Question 11

Cell wall of dinoflagellates have a stiff cellulose plate in the outer side

Answer 11

True

Question 12

Red tides are formed due to

Answer 12

Red Dinoflagellate— gonyaulax

Question 13

Euglenoids are found in stagnant water

Answer 13

True

Question 14

The members of this group are rather free living or parasitic

Answer 14

Flagellated protozoans

Question 15

Long slender thread like structure in the body of a fungi

Answer 15

Hyphae

Question 16

Ascomycetes and basidiomycetes have what feature in common?

Answer 16

They both have a dikaryotic phase

Question 17

Phycomycetes produce asexual spores endogenously or exogenously ?

Answer 17

Endogenously on sporangiophore

Question 18

Parasitic fungi on mustard.

Answer 18

Albugo

Question 19

Ascomycetes are coprophilous

Answer 19

True

Question 20

Ascomycetes produce asexual spore…exo or endogenously?

Answer 20

Exogenously on conidiophores

Question 21

Sexual spores…..exo…or endo

Answer 21

Exogenously on sac like ascii

Question 22

Basidiomycetes lack asexual spores …but fragmentation occurs

Answer 22

True

Question 23

Talk about sex organs if basidiomycetes

Answer 23

Sex organs of basidiomycetes are absent but fusion of vegetative or somatic cells of different strains or genotype results in plasma gamy and formation of basidium….produced exogenously on basidium

Question 24

Viruses viroids and prions are acellular

Answer 24

True

Question 25

Viruses that infect plants are

Answer 25

Ss rna

Question 26

Bacteriophages are

Answer 26

Ds DNA

Question 27

Earliest attempt on bio classification was by

Answer 27

Aristotle

Question 28

2 kingdom system of classification given by

Answer 28

Linnaeus