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Heterocyst present in Nostoc is specialised for

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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 85

Match the column

(a) Virus (i) Schwann
(b) Viroid (ii) T.O. diener
(c) Cell (iii) Ivanovsky
(d) Ribosome (iv) 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×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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Alpha Question Bank for Medical: Biology>Chapter 2 - Biological Classification>Exercise-4>Q 93
Oxygen is not produced during photosynthesis by