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Biological Classification · Question 58

AIPMT 2012 (Mains)MCQMedium📈 Topic in 12% papers+4−1
1

Which one of the following sets of items in the option A – D are correctly categorized with one exception in it ?

  1. array|l|l|l| ITEMS & CATEGORY & EXCEPTION \ Kangaroo, Koala, Wombat & Australian marsupials & Wombat \ array
  2. array|l|l|l| ITEMS & CATEGORY & EXCEPTION \ Typhoid, Pneumonia, Diphtheria & Bacterial diseases & Diphtheria \ array
  3. array|l|l|l| ITEMS & CATEGORY & EXCEPTION \ UAA, UAG, UGA & Stop codons & UAG \ array
  4. array|l|l|l| ITEMS & CATEGORY & EXCEPTION \ Plasmodium, Cuscuta, Trypanosoma & Protozoan parasites & Cuscuta \ array

Answer

(4) array|l|l|l| ITEMS & CATEGORY & EXCEPTION \ Plasmodium, Cuscuta, Trypanosoma & Protozoan parasites & Cuscuta \ array

Solution

(1) Kangaroo, koala and wombat are all Australian marsupials ⇒ wombat is not an exception.

(2) Typhoid, pneumonia and diphtheria are all bacterial diseases ⇒ diphtheria is not an exception.

(3) UAA, UAG and UGA are all stop codons ⇒ UAG is not an exception.

(4) Plasmodium (malaria) and Trypanosoma (sleeping sickness) are parasitic protozoans, whereas Cuscuta is a parasitic flowering plant (angiosperm).

⇒ Cuscuta is the correct exception.

Answer: (4)

AIPMT 2012 (Mains)

Keep practising — Biological Classification

2

Which statement is wrong for viruses?

  1. All are parasites.
  2. All of them have helical symmetry.
  3. They have ability to synthesize nucleic acids and proteins.
  4. Antibiotics have no effect on them.
AIPMT 2012 (Prelims)
3

Maximum nutritional diversity is found in the group

  1. fungi
  2. animalia
  3. monera
  4. plantae
AIPMT 2012 (Prelims)
4

Nuclear membrane is absent in

  1. Penicillium
  2. Agaricus
  3. Volvox
  4. Nostoc
AIPMT 2012 (Prelims)
5

The cyanobacteria are also referred to as

  1. protists
  2. golden algae
  3. slime moulds
  4. blue green algae
AIPMT 2012 (Prelims)
6

The most abundant prokaryotes helpful to humans in making curd from milk and in production of antibiotics are the ones categorised as

  1. cyanobacteria
  2. archaebacteria
  3. chemosynthetic autotrophs
  4. heterotrophic bacteria
AIPMT 2012 (Prelims)
7

Which one single organism or the pair of organisms is correctly assigned to its or their named taxonomic group?

  1. Paramecium and Plasmodium belong to the same kingdom as that of Penicillium.
  2. Lichen is a composite organism formed from the symbiotic association of an alga and a protozoan.
  3. Yeast used in making bread and beer is a fungus.
  4. Nostoc and Anabaena are examples of protista.
AIPMT 2012 (Prelims)
8

The pathogen Microsporum responsible for ringworm disease in humans belongs to the same kingdom of organisms as that of

  1. Taenia, a tapeworm
  2. Wuchereria, a filarial worm
  3. Rhizopus, a mould
  4. Ascaris, a round worm.
AIPMT 2011 (Mains)
9

Which one of the following is incorrectly matched?

  1. Root pressure – guttation
  2. Puccinia – smut
  3. Root – exarch protoxylem
  4. Cassia – imbricate aestivation
AIPMT 2011 (Prelims)
10

Select the correct combination of the statements (i – iv) regarding the characteristics of certain organisms. (i) Methanogens are archaebacteria which produce methane in marshy areas. (ii) Nostoc is a filamentous blue-green alga which fixes atmospheric nitrogen. (iii) Chemosynthetic autotrophic bacteria synthesise cellulose from glucose. (iv) Mycoplasma lack a cell wall and can survive without oxygen. The correct statements are

  1. (ii) and (iii)
  2. (i), (ii) and (iii)
  3. (ii), (iii) and (iv)
  4. (i), (ii) and (iv)
AIPMT 2010 (Mains)
11

Black (stem) rust of wheat is caused by

  1. Alternaria solani
  2. Ustilago nuda
  3. Puccinia graminis
  4. Xanthomonas oryzae
AIPMT 2010 (Mains)

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