Which one of the following sets of items in options 1 – 4 are correctly categorized with one exception in it?
Items Category Exception
1. Kangaroo, Koala,
wombat
Australian marsupials Wombat
2. Plasmodium, Cuscuta,
Trypanosoma
Protozoan parasites Cuscuta
3. Typhoid, Pneumonia,
Diphtheria
Bacterial diseases Diphtheria
4. UAA, UAG, UGA Stop codons UAG

Subtopic:  Miscellaneous |
 72%
Level 2: 60%+
AIPMT - 2012
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In the five-kingdom classification, Chlamydomonas and Chlorella have been included in:

1. Algae 2. Plantae
3. Monera 4. Protista
Subtopic:  Different Classification Systems |
 60%
Level 2: 60%+
AIPMT - 2012
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Given below is the diagram of a bacteriophage. In which one of the options, all the four parts A, B, C and D are correct?

 

A B C D
1. Sheath Collar Head Tail fibres
2. Head Sheath Collar Tail fibres
3. Collar Tail fibres Head Sheath
4. Tail fibres Head Sheath Collar
Subtopic:  Virus, Viroids & Prions |
 95%
Level 1: 80%+
AIPMT - 2010
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Black (stem) rust of wheat is caused by:
1. Ustilago nuda
2. Puccinia graminis
3. Xanthomonas oryzae
4. Alternaria solani

Subtopic:  Kingdom Fungi: Deuteromycetes |
 87%
Level 1: 80%+
AIPMT - 2010
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Select the correct combination of the statements (a-d) regarding the characteristics of certain organisms:

(a) Methanogens are archaebacteria that produce methane in marshy areas
(b) Nostoc is a filamentous blue-green alga that fixes atmospheric nitrogen
(c) Chemosynthetic autotrophic bacteria synthesize cellulose from glucose
(d) Mycoplasma lack a cell wall and can survive without oxygen

The correct statements are:

1. (a), (b) and (c) 2. (b), (c) and (d)
3. (a), (b) and (d) 4. (b) and (c)
Subtopic:  Kingdom Monera: Bacterial Classification | Kingdom Monera: Actinomycetes & Mycoplasma |
 86%
Level 1: 80%+
AIPMT - 2010
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How many organisms in the list given below are autotrophs?

LactobacillusNostocCharaNitrosomonasNitrobacterStreptomyces, Saccharomyces, Trypanosoma, PorphyraWolfia

1. Five
2. Six
3. Three
4. Four 

Subtopic:  Miscellaneous |
Level 3: 35%-60%
AIPMT - 2012
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Specialized cells for fixing atmospheric nitrogen in Nostoc are:
1. Heterocysts 2. Hormogonia
3. Nodules 4. Akinetes
Subtopic:  Kingdom Monera: Bacterial Classification |
 96%
Level 1: 80%+
NEET - 2013
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Which one of the following is true for fungi? 
1. They lack a rigid cell wall 
2. They are heterotrophs 
3. They lack nuclear membrane 
4. They are phagotrophs 
Subtopic:  Kingdom Fungi: Introduction |
 79%
Level 2: 60%+
NEET - 2013
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The causative agent of mad-cow disease is a:

1. bacterium

2. prion

3. worm

4. virus

Subtopic:  Virus, Viroids & Prions |
 91%
Level 1: 80%+
AIPMT - 2006
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Evolutionary history of an organism is known as:

1. Phylogeny

2. Ancestry

3. Palaeontology

4. Ontogeny

Subtopic:  Different Classification Systems |
 84%
Level 1: 80%+
AIPMT - 2006
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