Mitotic spindle have main protein
1. tubulin
2. myosin
3. tropomyocin
4. dynein 

Subtopic:  Centrosomes |
 89%
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Who for the first time developed electron microscope?
1. Knoll and Ruska
2. Rudolf and Kolliker
3. Robert Hooke
4. Swanson 
Subtopic:  Introduction to Cell |
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The mineral present in cell wall is
1. Na
2. Ca
3. K
4. Mg
Subtopic:  Cell Wall |
 79%
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Which organelle is present in higher number in secretory cells?
1. Dicryosome
2. ER
3. Lysosome
4. Vacuole 
Subtopic:  Golgi Apparatus |
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RNA is not found in
1. chromosome
2. plasmalemma
3. nucleolus
4. ribosome 
Subtopic:  Nucleus: Chromosomes | Ribosome and Inclusion Bodies |
 71%
From NCERT
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Cilia and flagella in eukaryotic cells:
I: are the outgrowths of the cell membrane.
II: have a 9 + 0 arrangement of microtubules in their axoneme.
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:  Cilia & Flagella |
 73%
From NCERT
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Match List I with List II
List I List II
A. Nuclear envelope I. Nonmembranous
B. Nucleolus II. Network of membranous sacs and tubes
C. Endoplasmic Reticulum III. Double membrane
D. Nuclear lamina IV. Netlike array of protein filaments
V. Digestive organelle
Choose the correct answer from the options given below:
1. A‐III, B‐II, C‐IV, D‐V
2. A‐II, B‐III, C‐IV, D‐I
3. A‐III, B‐I, C‐II, D‐IV
4. A‐I, B‐II, C‐III, D‐V
Subtopic:  Cell Membrane | Intro to Endomembrane System: Endoplasmic Reticulum | Nucleus |
 81%
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Which structure determines the shape of the cell and provides a strong structural support to prevent the bacterium from bursting?
1. Slime layer
2. Capsule
3. Cell membrane
4. Cell wall
Subtopic:  Prokaryotic Cell Organisation | Details of Prokaryotic Cell Structure |
 79%
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Who observed few living cells capable of moving, such as bacteria, protozoa, spermatozoa and red blood corpuscles under his own designed microscope?
1. Aristotle
2. Robert Hooke
3. Leeuwenhoek
4. Purkinje
Subtopic:  Introduction to Cell |
 73%
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Cells that have membrane-bound nucleus includes
1. Rhizobium
2. Meristem
3. Mature sieve tube
4. Nostoc
Subtopic:  Prokaryotic Cell Organisation | Eukaryotic Cell Orgenelle |
 64%
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