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Basic Processes

CBSE · Class 11 · Biotechnology

Flashcards for Basic Processes — CBSE Class 11 Biotechnology. Quick Q&A cards covering key concepts, definitions, and formulas.

86 questions100 flashcards5 concepts

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Card 1आनुवंशिक सामग्री के रूप में DNA

आनुवंशिक सामग्री के रूप में DNA के पीछे मुख्य विचार क्या है?

Answer

DNA कुछ वायरस को छोड़कर किसी भी जीव की विशेषता या लक्षण निर्धारित करता है। यह वंशानुगत सूचना रखता है जो माता-पिता से संतानों में जाती है।

Card 2DNA as Genetic Material

What is the main idea behind DNA as the genetic material?

Answer

DNA determines the trait or feature of any organism except a few viruses. It carries hereditary information that is passed from parents to offspring.

Card 3Discovery of DNA

Who first isolated DNA and what was the substance called?

Answer

Johann Friedrich Miescher first isolated an acidic substance from nuclei of pus cells and named it nuclein. It contained DNA and protein.

Card 4DNA की खोज

DNA को सबसे पहले किसने अलग किया और उस पदार्थ को क्या कहा जाता था?

Answer

जोहान फ्रेडरिक मीशर ने सबसे पहले मवाद कोशिकाओं के केन्द्रक से एक अम्लीय पदार्थ को अलग किया और उसका नाम न्यूक्लीन रखा। इसमें DNA और प्रोटीन था।

Card 5परिवर्तन प्रयोग

ग्रिफ़िथ ने 1928 में क्या खोजा?

Answer

फ्रेडरिक ग्रिफिथ ने स्ट्रेप्टोकोकस निमोनिया में परिवर्तन की खोज की। जीवित गैर-विषाणुजनित आर कोशिकाएँ ताप-मृत एस कोशिकाओं से सामग्री लेने के बाद विषाणुजनित हो गईं।

Card 6Transformation Experiment

What did Griffith discover in 1928?

Answer

Frederick Griffith discovered transformation in Streptococcus pneumoniae. Live non-virulent R cells became virulent after taking up material from heat-killed S cells.

Card 7Transformation

Define transformation in bacteria.

Answer

Transformation means transfer of genetic material from one cell to another that alters the genetic makeup of the recipient cell. In Griffith's experiment, R cells changed into virulent S cells.

Card 8परिवर्तन

जीवाणु में परिवर्तन की परिभाषा दीजिए।

Answer

परिवर्तन का अर्थ है एक कोशिका से दूसरी कोशिका में आनुवंशिक पदार्थ का स्थानांतरण जो प्राप्तकर्ता कोशिका की आनुवंशिक संरचना को बदल देता है। ग्रिफ़िथ के प्रयोग में आर कोशिकाएँ उग्र एस कोशिकाओं में बदल गई

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Frequently Asked Questions

What are the important topics in Basic Processes for CBSE Class 11 Biotechnology?
Key topics in Basic Processes include Chapter Overview: Basic Processes, Basic Processes - Complete Chapter Concept Map, Correct vs Incorrect: Strand Terminology in Transcription. These are the concepts CBSE Class 11 examiners draw on most — study them first, then practise related questions.
How to score full marks in Basic Processes — CBSE Class 11 Biotechnology?
Understand the core concepts first, then work through the 86 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.
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There are 100 flashcards for Basic Processes covering key definitions, formulas, and concepts. Use them daily for 10–15 minutes for best results.

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