Match the bacteria in Column I with its shape in Column II and select the correct option from the codes given below:

COLUMN I

 

COLUMN II

A

Bacillus

a

Rod

B

Coccus

b

Spherical

C

Spirilla

c

Spiral

D

Vibrio

d

Comma

Codes

A B C D
1. a b c d
2. b a c d
3. a d c b
4. b a d c

Subtopic:  Kingdom Monera: Bacterial Classification |
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In the symbiotic relation lichen, the mycobiont does not:
1. prepare food for the other partner
2. provide shelter to the other partner
3. absorb mineral nutrients for the other partner
4. absorb water for the other partner

Subtopic:  Lichens |
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Potato Spindle Tuber Disease is caused by a pathogen that is:

1. A nucleocapsid
2. A low molecular weight free RNA
3. An abnormally folded protein
4. A protozoan
Subtopic:  Virus, Viroids & Prions |
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Prion is:
1. A nucleocapsid
2. A low molecular weight free RNA
3. An abnormally folded protein
4. A protozoan

Subtopic:  Virus, Viroids & Prions |
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Which of the following is not a characteristic of dinoflagellates?
1. Mostly fresh water and photosynthetic
2. Cell wall with stiff cellulosic plates
3. Two flagella
4. Various colored pigments in the cell

Subtopic:  Kingdom Protista: Dinoflagellates |
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The chief producers in the oceans are:

1. Floating hydrophytes 2. Blue green algae
3. Desmids 4. Diatoms
Subtopic:  Kingdom Protista: Chrysophytes |
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Deuteromycetes are also called as Fungi imperfecti because:
1. They do not have a thalloid body
2. They can contain chlorophyll
3. There are no parasitic members
4. Sexual phases are not known

Subtopic:  Kingdom Fungi: Deuteromycetes |
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A ‘dikaryon’ stage is seen in the members of:
1. Ascomycetes and Phycomycetes
2. Ascomycetes and Basidiomycetes
3. Basidiomycetes and Phycomycetes
4. Basidiomycetes and Deuteromycetes

Subtopic:  Kingdom Fungi: Sexual Reproduction in Fungi |
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Alternaria, Colletotrichum and Trichoderma belong to the class:

1. Phycomycetes 2. Ascomycetes
3. Basidiomycetes 4. Deuteromycetes
Subtopic:  Kingdom Fungi: Deuteromycetes |
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In general, the viruses that infect plants have:

1. Single stranded RNA 2. Single stranded DNA
3. Double stranded RNA 4. Double stranded DNA
Subtopic:  Virus, Viroids & Prions |
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