MCQ ON CELL ORGANELLES 19JUNE 2024

 
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#1. Shrinking of cell is known as

Crenation . Osmosis is the movement of solvent from higher concentration to lower concentration  through semipermeable membrane. Plasmolysis is a process of losing water by cell. Tonoplast is A membrane of vacuole.

#2. Viroids have

Viroids are tiny bits with nucleic acid without protein. They are infectious pathogens .

#3. Prions have

Prions are protein particles without nucleic acid they are infectious.

#4. Transcription is

Genetic information passed on from DNA to mRNA.

#5. Translation is

Synthesis of protein from mRNA.

#6. Chlorophyll in chloroplast is located in

Grana

#7. Mitochondria will be more in

Germinating seed because germinating seed is metabolically very active and require more energy hence the reason.

#8. Two animal cells are interconnected by

Desmosome.

#9. Mitochondria have what kind of ribosome

70S. This shows that eukaryotic cells are originated from prokaryotic ones.

#10. Cellular totipotency was first demonstrated by

F.C. Steward.

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