Resolution of human naked eye is:
Resolution of human naked eye is:
262 | |
162 | |
252 | |
152 |
Biology MCQS
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Omnis cellula-e-cellula w as hypothesized by:
Omnis cellula-e-cellula w as hypothesized by:
Rudolph Virchow | |
Louis Pasteur | |
Lorenz Oken | |
Schleiden |
Which is found in primary wall?
Which is found in primary wall?
Silica | |
Lignin | |
Cutin | |
Pectin |
The process of taking in liquid material by cell membrane is called:
The process of taking in liquid material by cell membrane is called:
Pinocytosis | |
Exocytosis | |
Phagocytosis | |
Lymphocytosis |
The percentage of lipids in plasma membrane is:
The percentage of lipids in plasma membrane is:
30 - 60 % | |
10 - 20 % | |
60 - 80 % | |
20 - 40 % |
Chitin is found in cell wall of:
Chitin is found in cell wall of:
Algae | |
Fungi | |
Plants | |
Bacteria |
Cell wall of prokaryotic organisms lack cellulose, instead of cellulose its strengthening material is:
Cell wall of prokaryotic organisms lack cellulose, instead of cellulose its strengthening material is:
W ax | |
Murein | |
Silica | |
Cutin |
Cell wall is secreted by:
Cell wall is secreted by:
Protoplasm | |
ribosome | |
Nucleoplasm | |
Golgi complex |
When cross-section of centriole is observed it shows as it consists of:
When cross-section of centriole is observed it shows as it consists of:
11- microtubules | |
3-microtubules | |
6-microtubules | |
9-microtubules |
What is not true about microfilaments?
What is not true about microfilaments?
Amoeboid movement | |
Linked with outer surface of plasma membrane | |
Actin | |
Cyclosis |
The mitochondria functions in:
The mitochondria functions in:
Protein synthesis | |
Cellular respiration | |
Photosynthesis | |
Lipid Storage |
The fluid which surrounds the thylakoids is called:
The fluid which surrounds the thylakoids is called:
Matrix | |
Stroma | |
Nucleoplasm | |
Cytoplasm |
The diameter of peroxisome is approximately:
The diameter of peroxisome is approximately:
0.5μm | |
0.2μm | |
0.3μm | |
0.4μm |
The attachment of two sub fibrous protein in:
The attachment of two sub fibrous protein in:
K+ | |
Mg+2 | |
2+ | |
Ca+2 |
Tay-Sachs disease results due to accumulation, in brains cells of:
Tay-Sachs disease results due to accumulation, in brains cells of:
Lipids | |
Glucose | |
Mg2+ions | |
Proteins |
Stroma is a fluid in the chloroplast:
Stroma is a fluid in the chloroplast:
Granum | |
Thylakoids | |
Matrix | |
Intergranum |
Proteins are synthesized by:
Proteins are synthesized by:
lysosome | |
nucleosome | |
polysome | |
ribosome |
Plastids are present only in:
Plastids are present only in:
bacteria | |
Animal cell | |
Plant cell | |
Virus |
Palade was first person to study:
Palade was first person to study:
Ribosomes | |
Nucleus | |
Peroxisome | |
Mitochondria |
Organelle _______ is concerned with cells secretion:
Organelle _______ is concerned with cells secretion:
Ribosomes | |
Golgi complex | |
Mitochondria | |
Centrioles |