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Which of the following is correct?

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Important Questions on Biological Classification

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Alpha Question Bank for Medical: Biology>Chapter 2 - Biological Classification>Exercise-4>Q 76
Protists obtain their food as
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Alpha Question Bank for Medical: Biology>Chapter 2 - Biological Classification>Exercise-4>Q 77
Photosynthetic bacteria have
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Alpha Question Bank for Medical: Biology>Chapter 2 - Biological Classification>Exercise-4>Q 78
Diatoms do not decay easily because
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Alpha Question Bank for Medical: Biology>Chapter 2 - Biological Classification>Exercise-4>Q 79

Choose the correct names of the different bacteria according to their shapes.

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Alpha Question Bank for Medical: Biology>Chapter 2 - Biological Classification>Exercise-4>Q 80
Which pair of the following belongs to Basidiomycetes?
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Alpha Question Bank for Medical: Biology>Chapter 2 - Biological Classification>Exercise-4>Q 81
Which ofthe following is correct about the slime mould?
(i) Its thalloid body, Plasmodium has pseudopodia for locomotion and engulfing organic matter.
(ii) During unfavourable conditions Plasmodium differentiates and produces fruiting bodies, sporangium.
(iii) Spores posses no true cell wall.
(iv) They are dispersed by air current.
(v) Being extremely resistant, spores survive for many years.
(vi) Plasmodium can grow upto several feet. Choose the answer from the following options
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Alpha Question Bank for Medical: Biology>Chapter 2 - Biological Classification>Exercise-4>Q 82
Yeast is not included in protozoans but in fungi because
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Alpha Question Bank for Medical: Biology>Chapter 2 - Biological Classification>Exercise-4>Q 83
Read the following statement regarding bacteria.
I. Bacteria exchange their genetic matter through conjugation which involve cell to cell contact.
II. Transduçtion in 'Salmonella is reported by Tatum and Lederberg in 1952
Ill. Citrus canker disease is caused by bacteria Xanthomonas citri.
IV. Hans Christian gram's staining method is based on cell wall composition of bacteria.
Choose the correct option with true statements