591. Term plasmid given by

A Lederberg
B Zinder
C Linnaeus
D Griffth
Answer :   Lederberg
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592. Which is the smallest cellular free living organism

A Yeast
B Virus
C Mycoplsma
D Bacteria
Answer :   Mycoplsma
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593. Ustilago causes plant diseases called smut because

A they parasitise cereals
B mycelium is black
C they develop sooty masses of spores
D affected parts becomes completely black
Answer :   affected parts becomes completely black
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594. Paramylum is stored food of

A Dinoflagellate
B Euglenoid
C Diatom
D Slime mould
Answer :   Euglenoid
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595. Which of the following performs respiration with the help of plasma membrane

A Bacteria
B Mycoplasma
C Fungi
D All of the above
Answer :   Bacteria
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596. White rust disease is caused by

A Claviceps
B Alternaria
C Phytophthora
D Albugo candida
Answer :   Albugo candida
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597. Which of the following division found in prokaryotic cell

A Meiosis
B Mitosis
C Amitosis and mitosis
D Amitosis
Answer :   Amitosis
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598. The cyanobacteria are also referred to as

A protists
B golden algae
C slime moulds
D blue green algae
Answer :   blue green algae
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599. Bacterial mesosomes is a functional substitute of

A Dictyosome
B Mitochondria
C E.R.
D Nucleous
Answer :   Mitochondria
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600. Which of the following causes wheat rust disease

A A red Algae
B A green Algae
C A fungi
D Mycoplasma
Answer :   A fungi
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