The domain Archaea is not characterized by:

(1) Pseudopeptidoglycan in cell wall

(2) Linear chromosomes

(3) Introns present is some genes

(4) Methanogeneisis as unique metabolism

Subtopic:  Kingdom Monera: Introduction |
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Members of Kingdom Protista:

1. are primarily aquatic 

2. do not have membrane bound organelles

3. are all ciliated or flagellated

4. reproduce exclusively by asexual means

Subtopic:  Kingdom Protista: Chrysophytes |
 73%
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Match each item in Column I with one in Column II and select your answer from the codes given below:

Column I   Column II
A. Diatoms a. Protein-rich layer of pellicle
B. Dinoflagellates   b. Cell wall embedded with silica
C.  Euglenoids c. Spores with true walls
D. Slime moulds   d.  Cellulose plates in the cell wall

Codes:

A     B      C      D
1. b a c d
2. b d a c
3. b c a d
4.   b a d c
Subtopic:  Kingdom Protista: Dinoflagellates | Kingdom Protista: Euglenoids | Kingdom Protista: Slime Moulds |
 86%
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All the following statements regarding Basidiomycetes are correct except:

1. The mycelium is branched and septate

2. Asexual spores and vegetative reproduction are generally not found

3. Sex organs are absent

4. Basidiospores are exogenously produced on the basidium

Subtopic:  Kingdom Fungi: Basidomycetes |
 65%
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Match the Scientists in Column I with their contribution in the field of virology given in Column II and select your answer from the codes given below:

  Column I   Column II
A. Pasteur a. Gave the name ‘virus’
B. Ivanowsky   b. Recognized tobacco mosaic is caused by microbes smaller than bacteria
C.  Beijerinck c. Demonstrated extract of infected tobacco plants could cause infection in healthy plants
D. Stanley d.  Showed that viruses could be crystallized

Codes:

  A     B      C      D
1. a b c d
2. a c b d
3. b a c d
4.   b a d c
Subtopic:  Virus, Viroids & Prions |
 64%
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Cells in some filamentous cyanobacteria that are specialized for nitrogen fixation are called:

1. Phycobilisomes

2. Chromatophores

3. Grana

4. Heterocysts

Subtopic:  Kingdom Monera: Blue Green Algae |
 90%
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What is true for both (a) and (b)?

 

1. RNA is the genetic material

2. Capability to infect bacteria

3. Being obligate endoparasites

4.Can be killed by antibiotics

Subtopic:  Virus, Viroids & Prions |
 50%
From NCERT
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Which of the following are found in extreme saline conditions?

1. Archaebacteria

2. Eubacteria

3. Cyanobacteria

4. Mycobacteria

Subtopic:  Kingdom Monera: Bacterial Classification |
 91%
From NCERT
NEET - 2017
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Viroids differ from viruses in having

(1) DNA molecules with protein coat

(2) DNA molecules without protein coat

(3) RNA molecules with protein coat

(4) RNA molecules without protein coat

Subtopic:  Virus, Viroids & Prions |
 73%
From NCERT
NEET - 2017
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Which one of the following is wrong for fungi?

(1) They are eukaryotic

(2) All fungi possess a purely cellulosic cell wall

(3) They are heterotrophic

(4) They are both unicellular and multicellular

Subtopic:  Kingdom Fungi: Introduction |
 85%
From NCERT
NEET - 2016
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