Q1
What does the nucleus do in a cell?
AControls cell activities, contains DNA
BProduces energy only
CProvides support only
DNothing significant
SSCClass 10 (SSC)Science and Technology (विज्ञान आणि तंत्रज्ञान)Ch 18 · Topic 1
Cell Biology and Biotechnology
Cell biology studies the structure and function of cells, while biotechnology applies biological knowledge to develop useful products and te
Core concept
Cells contain organelles like the nucleus, mitochondria, and ribosomes, each performing specific functions essential for cell survival.
How it works
Cell division, through mitosis and meiosis, allows growth, repair, and reproduction, each serving distinct biological purposes.
Why it matters
Biotechnology applies cellular and genetic knowledge to develop products like genetically modified crops, vaccines, and medical treatments.
Key detail
Understanding cell biology and biotechnology helps us appreciate life's fundamental unit and its applications in medicine and agriculture.
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Quick notes
• Cells: nucleus, mitochondria, ribosomes organelles.
• Each has specific essential functions.
• Cell division: mitosis and meiosis.
• Allows growth, repair, reproduction.
• Biotechnology applies cellular, genetic knowledge.
• Develops GM crops, vaccines, treatments.
• Understanding shows life's fundamental unit.
• Also its medical, agricultural applications.