Match the column ( a ) Virus ( i ) Schwann ( b ) Viroid ( i i ) T.O. diener ( c ) Cell ( i i i ) Ivanovsky ( d ) Ribosome ( i v ) Palade

a - i i i , b - i i , c - i , d - i v

a - i i , b - i , c - i v , d - i i i

a - i , b - i i , c - i i i , d - i v

a - i v , b - i i i , c - i , d - i i

E M B I B E

Alpha Question Bank for Medical: Biology>Chapter 2 - Biological Classification>Exercise-4>Q 83

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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

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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 84

Heterocyst present in Nostoc is specialised for

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Alpha Question Bank for Medical: Biology>Chapter 2 - Biological Classification>Exercise-4>Q 85

Match the column

$(a)$ Virus	$(i)$ Schwann
$(b)$ Viroid	$(i i)$ T.O. diener
$(c)$ Cell	$(i i i)$ Ivanovsky
$(d)$ Ribosome	$(i v)$ Palade

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Alpha Question Bank for Medical: Biology>Chapter 2 - Biological Classification>Exercise-4>Q 86

Which is incorrect about E.coli?

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Alpha Question Bank for Medical: Biology>Chapter 2 - Biological Classification>Exercise-4>Q 87

The genetic material of

ϕ \times 174

is

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Alpha Question Bank for Medical: Biology>Chapter 2 - Biological Classification>Exercise-4>Q 88

The given below figure shows a generalised life cycle of a fungus. Identify $A, B,$ and $C$ from the given option.

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Alpha Question Bank for Medical: Biology>Chapter 2 - Biological Classification>Exercise-4>Q 89

Ciliates differ from all other protozoans in

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Alpha Question Bank for Medical: Biology>Chapter 2 - Biological Classification>Exercise-4>Q 90

Refer to the following figures.

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Match the following columns and choose the correct option from the codes given below.

C-I		Column II		Column III
A.	I.	Paramecium	I.	kinetoplast
B.	II.	Euglena	II.	Trichocysts
C.	III.	Trypanosoma	III.	Astaxanthin

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Alpha Question Bank for Medical: Biology>Chapter 2 - Biological Classification>Exercise-4>Q 92

Anoxygenic photosynthesis is characteristic of

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