The diagram shows the presence of a pathogen amongst RBCs in the peripheral blood smear of a patient. Even though the shape is very easy to identify, the structure highlighted in the circle should enable you to identify the pathogen easily. It is:

1. Trypanosoma 2. Plasmodium
3. Schistosoma 4. Clonorchis

Subtopic:  Protozoa |
 59%
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The ‘photobiont’ [photosynthetic component] in a Lichen can be:

I. A green alga II. A cyanobacterium
 
1. Only I 2. Only II
3. Both I and II 4. Neither I nor II
Subtopic:  Lichens |
From NCERT
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Which of the following is similar in size to viruses?
1. PPLO
2. Prions
3. Viroid
4. Actinomycetes

Subtopic:  Virus, Viroids & Prions |
 55%
From NCERT
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Read the following statements with respect to natural system of classification:
(i) It was given by George Bentham  and Joseph Dalton Hooker
(ii) It was based on natural affinities among the organisms
(iii) It takes into account not only the external features but also internal features
(iv) Internal features like ultrastructure, anatomy, embryology and phytochemistry are also considered
(v) Evolution is also taken into account
How many of the above statements are correct?
1. Two
2. Four
3. Three
4. Five
Subtopic:  Kingdom Monera: Bacterial Classification |
 50%
From NCERT
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Which of the following statements is not true regarding the mode of reproduction of organisms belonging to different classes of the kingdom fungi?
1. Large number of members of deuteromycetes are decomposers of litter and help in mineral cycling
2. Sex organs are absent in basidiomycetes but plasmogamy is brought about by fusion of the nuclei of the gametes
3. The asexual spores produced by ascomycetes are conidia, produced exogenously on the special mycelium called conidiophores
4. In ascomycetes and basidiomycetes, an intervening dikaryon stage exists before the fusion of parental nuclei
Subtopic:  Kingdom Fungi: Basidomycetes |
 55%
From NCERT
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Assertion (A): Plant and animal kingdoms have been constant under all different classification systems.
Reason (R): The understanding of what groups/organisms are included under these kingdoms have been changing over the time.
Choices for Assertions and reasons:
1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. (A) is False but (R) is True.
Subtopic:  Different Classification Systems |
 52%
From NCERT
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Slime molds:

1. form plasmodium that differentiates and forms fruiting bodies bearing spores at their tips during unfavourable conditions.
2. form plasmodium that differentiates and forms fruiting bodies bearing spores at their tips during favourable conditions.
3. form plasmodium under favourable conditions and the plasmodium differentiates and forms fruiting bodies bearing spores at their tips during unfavourable conditions.
4. form plasmodium under unfavourable conditions and the plasmodium differentiates and forms fruiting bodies bearing spores at their tips during favourable conditions.
Subtopic:  Kingdom Protista: Slime Moulds |
 60%
From NCERT
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Capsid of a virus:
1. protects the genetic material.
2. is infectious.
3. is composed of capsomeres made up of complex polysaccharides.
4. is a nucleoprotein.
Subtopic:  Virus, Viroids & Prions |
 52%
From NCERT
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Given below are two statements: 
Assertion (A): Vegetative reproduction by fragmentation is common in basidiomycetes 
Reason (R): In club fungi, sexual spores are not formed during sexual reproduction 
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Kingdom Fungi: Basidomycetes |
From NCERT
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Given below are two statements: 
Assertion (A): Sporozoans lack locomotory structures 
Reason (R): Sporozoans are parasites 
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Protozoa |
From NCERT
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