361.
Which of the following involves the direct transfer of genetic material from one bacteria to another
A
Conjugation
B
Transofrmation
C
Transduction
D
Lysogeny
Answer :
Conjugation
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362.
The branch of biology that is concerned with the comparative study of organisms and all relation ships among them is called
A
Nomen clature
B
Ethanobotany
C
Bio - metrics
D
Systematics
Answer :
Systematics
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363.
Cyanobacteria are
A
Photosynthetic prokryotes
B
Photosynthetic eukaryotes
C
Chemoatotrophs
D
None photosynthetic prokaryotes
Answer :
Photosynthetic prokryotes
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364.
Which of the following is correct for a virus
A
They have only one type of nucleic acid
B
They replicate inside animal cell only
C
They are living
D
They are bigger from bacteria and they killed them
Answer :
They have only one type of nucleic acid
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365.
In which form Amoeba ingest food
A
Ingestion of whole animal
B
Fully digested food
C
Animal of class crustacea
D
None of the above
Answer :
Ingestion of whole animal
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366.
Secondary infection of white rust could be controlled by
A
Crop rotation
B
Use of bordeaux mixture
C
Soil fumigation
D
Use D.D.T
Answer :
Use of bordeaux mixture
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367.
Shell of diatoms is made up of
A
Silica
B
Calcium carbonate
C
Keratin
D
Calcium oxalate
Answer :
Silica
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368.
Reindeer moss is common name of
A
Usnea comosa
B
Cladonia rangiferina
C
Funaria hygromerica
D
Sphagnum aceutifolium
Answer :
Cladonia rangiferina
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369.
"Antibiotic" and proposed by
A
A. flamming
B
Waksma
C
Brien
D
B.M.Duggar
Answer :
Waksma
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370.
Lichens are a well known combination of an alga and a fungus where fungus has
A
a saprophytic relationship with the alga
B
an epiphytic relationship with the alga
C
a parasitic relationship with the alga
D
a symbiotic relationship with the alga
Answer :
a symbiotic relationship with the alga
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