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Cell : The Unit of Life

CBSE · Class 11 · Biology

Flashcards for Cell : The Unit of Life — CBSE Class 11 Biology. Quick Q&A cards covering key concepts, definitions, and formulas.

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Card 1Introduction to Cell

What is a cell?

Answer

A cell is the fundamental structural and functional unit of all living organisms. A unicellular organism can live and perform all life processes with one cell, while multicellular organisms are made o

Card 2कोशिका का परिचय

कोशिका क्या है?

Answer

कोशिका सभी जीवित जीवों की मूलभूत संरचनात्मक और क्रियात्मक इकाई है। एककोशिकीय जीव एक ही कोशिका के साथ जीवित रह सकता है और सभी जीवन प्रक्रियाएँ कर सकता है, जबकि बहुकोशिकीय जीव अनेक कोशिकाओं से बने होते

Card 3Introduction to Cell

Why is the cell called the basic unit of life?

Answer

A cell can carry out the essential functions of life on its own. It is the smallest complete structure that can perform all life processes needed for independent existence.

Card 4कोशिका का परिचय

कोशिका को जीवन की मूल इकाई क्यों कहा जाता है?

Answer

कोशिका जीवन के आवश्यक कार्य अपने आप कर सकती है। यह सबसे छोटी पूर्ण संरचना है जो स्वतंत्र अस्तित्व के लिए आवश्यक सभी जीवन प्रक्रियाएँ कर सकती है।

Card 5History of Cell Study

Who first saw and described a live cell?

Answer

Antonie Von Leeuwenhoek first saw and described a live cell. His work helped begin the study of cells as living units.

Card 6कोशिका अध्ययन का इतिहास

सबसे पहले जीवित कोशिका को किसने देखा और उसका वर्णन किया?

Answer

Antonie Von Leeuwenhoek ने सबसे पहले जीवित कोशिका को देखा और उसका वर्णन किया। उनके कार्य ने कोशिकाओं का जीवित इकाइयों के रूप में अध्ययन शुरू करने में मदद की।

Card 7History of Cell Study

Who discovered the nucleus?

Answer

Robert Brown discovered the nucleus in 1831 and described it as a cell organelle. The nucleus is a dense, membrane-bound structure found in eukaryotic cells.

Card 8कोशिका अध्ययन का इतिहास

नाभिक की खोज किसने की?

Answer

Robert Brown ने 1831 में नाभिक की खोज की और उसका वर्णन एक कोशिका अंगक के रूप में किया। नाभिक एक सघन, झिल्ली-आवृत संरचना है जो यूकैरियोटिक कोशिकाओं में पाई जाती है।

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Cell : The Unit of Life covers several key topics that are frequently asked in CBSE Class 11 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
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