The nucleus was discovered by:
1. Robert Hooke
2. Robert Brown
3. Anton Von Leeuwenhoek
4. Purkinje

Subtopic:  Introduction to Cell |
 92%
Level 1: 80%+
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That cells divide and new cells are formed from pre-existing cells (Omnis cellula-e cellula) was first explained by:
1. Louis Pasteur 2. Robert Koch
3. Rudolph Virchow 4. Francesco Redi
Subtopic:  Cell Theory |
 95%
Level 1: 80%+
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Consider the given two statements:
Statement I: Eukaryotes have a membrane bound nucleus, prokaryotes do not. Prokaryotes may have non-membrane organelles, eukaryotes do not.
Statement II: In 1839, Theodor Schwann, a British Zoologist, studied different types of animal cells and reported that cells had a thin outer layer which is today known as the ‘plasma membrane’.
 
1. Statement I is correct; Statement II is correct
2. Statement I is incorrect; Statement II is correct
3. Statement I is correct; Statement II is incorrect
4. Statement I is incorrect; Statement II is incorrect
Subtopic:  Cell Organisation |
Level 4: Below 35%
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Read carefully: Select the location with respect to a eukaryotic cell where ribosomes are not expected to be found?
1. in the cytoplasm
2. within the chloroplasts (in plants)
3. within the mitochondria
4. within the rough ER.
Subtopic:  Eukaryotic Cell Orgenelle |
Level 3: 35%-60%
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Animal cells contain a non-membrane bound organelle which helps in cell division. This organelle is called:
1. Golgi apparatus 2. Mesosome
3. Centrosome 4. Centromere
Subtopic:  Centrosomes |
 81%
Level 1: 80%+
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Out of the four basic shapes:
1. Spherical bacteria are called as Coccus and Rod shaped bacteria are called as Bacillus
2. Spherical bacteria are called as Bacillus and Rod shaped bacteria are called as Coccus
3. Spherical bacteria are called as Spirillum and Rod shaped bacteria are called as Vibrios
4. Comma shaped bacteria are called as Vibrios and Spherical bacteria are called as Spirillum
Subtopic:  Details of Prokaryotic Cell Structure |
 85%
Level 1: 80%+
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Regarding the genetic material in prokaryotes:
I: The main chromosomal DNA is linear
II: Plasmid DNA is circular
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:  Details of Prokaryotic Cell Structure |
 66%
Level 2: 60%+
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Mesosome in bacterial cells is not involved in:
1. cell wall formation
2. DNA replication and distribution to daughter cell
3. respiration
4. photosynthesis
Subtopic:  Prokaryotic Cell Organisation |
 83%
Level 1: 80%+
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Regarding prokaryotes:
I: All prokaryotes have a cell wall surrounding the cell membrane except in mycoplasma.
II: All prokaryotes have a cell membrane except in mycoplasma.
 
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:  Details of Prokaryotic Cell Structure |
 75%
Level 2: 60%+
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Resistance to an antibiotic is the character conferred to bacterial cell by:
1. Peptidoglycan cell wall 2. Main chromosomal DNA
3. Plasmid DNA 4. Satellite DNA
Subtopic:  Prokaryotic Cell Organisation |
 86%
Level 1: 80%+
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