Diversity

Question 1

Nostoc is (filamentous/colonial)?

Answer 1

Filamentous

Question 2

Under unfavorable conditions, bacteria reproduce through?

Answer 2

Spores

Question 3

Bacteria found in salty areas are?

Answer 3

Halophiles

Question 4

_____ are chief producers of the oceans.

Answer 4

Diatoms

Question 5

Under suitable conditions, slime moulds form an aggregation called ______ which may grow and spread over several feet.

Answer 5

Plasmodium

Question 6

Marine forms of Amoeboid protozoans have ______ on their surface.

Answer 6

Silica shells

Question 7

Example of flagellated protozoan?

Answer 7

Trypanosoma

Question 8

Asexual reproduction in fungi takes place through spores called _____ or ________ or _______

Answer 8

Conidia, sporangiospores, zoospores

Question 9

Asexual reproduction in phycomycetes take place through _____ & _____. These are ________ produced.

Answer 9

Zoospores (motile), aplanospores (non motile), endogenously

Question 10

3 examples of phycomycetes?

Answer 10

Mucor, albugo (parasitic mustard fungi), rhizopus

Question 11

Asexual spores of ascomycetes are called ______ and are produced _______ on special mycelium called ______.

Answer 11

Conidia, exogenously, conidiophores

Question 12

Sexual spores of ascomycetes are called _______ and are produced ______ on sac like ______ which are arranged in fruiting bodies called ____.

Answer 12

Ascospores, endogenously, asci, ascocarps

Question 13

5 Examples of ascomycetes?

Answer 13

Yeast, penicillium, aspergillus, neurospora, calviceps

Question 14

In basidiomycetes, the spores are called _____ which are produced _______ on ______ which are arranged in fruiting bodies called ______.

Answer 14

Basidiospores, exogenously, basidium, basidiocarps

Question 15

3 examples of basidiomycetes?

Answer 15

Agaricus, ustilago (smut fungi), puccinia (wheat rust fungi)

Question 16

3 examples of deuteromycetes?

Answer 16

Trichoderma, alternaria, colletotrichum

Question 17

Bacteriophages have their genetic material as?

Answer 17

Double stranded DNA

Question 18

No virus contains both ____ and ___

Answer 18

DNA and RNA

Question 19

Viruses that infect plants have their genetic material as?

Answer 19

Single stranded RNA

Question 20

Viruses that infect animals can have their genetic material as?

Answer 20

Single or double stranded RNA or double stranded DNA

Question 21

The protein coat of viruses is called ____ and its subunits are called _____ which protects the ____.

Answer 21

Capsid, capsomeres, nucleic acid/genetic material.

Question 22

Viroids have free ____. They also lack ____ that is present in viruses.

Answer 22

RNA, protein coat/capsid.

Question 23

Prions are _____ in size to viruses. (Similar/smaller/larger)?

Answer 23

Similar

Question 24

Example of an infection caused by viroids?

Answer 24

Potato spindle tuber disease

Question 25

Prions are ____________ protein.

Answer 25

Abnormally folded