Earlier classification systems included bacteria, blue green algae and fungi under ‘plants’. The problem with this inclusion was:
I: Bacteria and blue green algae have prokaryotic cell organization unlike other members included in ‘plants’.
II: Fungi and many bacteria are heterotrophic unlike autotrophic members included in ‘plants’.
 
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect

Subtopic:  Different Classification Systems |
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A spherical bacterium is called as:
1. Coccus
2. Bacillus
3. Vibrios
4. Spirochaete  
Subtopic:  Kingdom Monera: Bacterial Cell Structure |
 92%
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Citrus canker is caused by a:
1. Virus 2. Viroid
3. Prion 4. Bacterium
Subtopic:  Kingdom Monera: Bacterial Life Process |
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The chief producers in the oceans are:
1. Diatoms 2. Dinoflagellates
3. Euglenoids 4. Blue green algae
Subtopic:  Kingdom Protista: Chrysophytes |
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A spore-like stage, infective to humans, is seen in the life cycle of:
1. Malarial parasite 2. Filaria worm
3. Liver fluke 4. Tape worm
Subtopic:  Protozoa |
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Identify the correct statement:
1. No known member of Kingdom Fungi is unicellular
2. No known member of Kingdom Fungi has polysaccharide in cell wall of its cells
3. No known member of Kingdom Fungi has chlorophyll pigment in its cells
4. No known member of Kingdom Fungi is capable of living as a symbiont
Subtopic:  Kingdom Fungi: Introduction |
 74%
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Asexual reproduction can take place in some fungi with the help of spores called:
1. conidia
2. oospores
3. ascospores
4. basidiospores
Subtopic:  Kingdom Fungi: Sexual Reproduction in Fungi |
 88%
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Amongst the given statements, the number of correct statements regarding viruses will be:
I: Viruses are inert outside their specific host cell.
II: Viruses are obligate parasites.
III: All viruses contain both RNA and DNA.
IV: A virus is a nucleoprotein.
V: Viruses are smaller than bacteria.
 
1. 2 2. 3
3. 4 4. 5
Subtopic:  Virus, Viroids & Prions |
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The vast majority of bacteria:
1. are capable of fixing atmospheric nitrogen.
2. are photosynthetic autotrophs and have gas vacuoles.
3. do not have peptidoglycan in their cell walls.
4. depend on other organisms or on dead organic matter for food.
Subtopic:  Kingdom Monera: Bacterial Classification |
 81%
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Study the Assertion statement followed by the Reason statement given below:
Assertion (A): Diatoms have left behind large amount of cell wall deposits in their habitat.
Reason (R): Diatoms are the chief ‘producers’ in the oceans.
 
1. (A) is True; (R) is False.
2. Both (A) and (R) are True and (R) correctly explains (A).
3. Both (A) and (R) are True and (R) does not correctly explain (A).
4. (A) is False; (R) is True.
Subtopic:  Kingdom Protista: Chrysophytes |
 68%
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