Class 12th Biology: Biodiversity and Physiological Processes
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Questions and Answers

प्राणियों में जैविक विविधता क्यों महत्वपूर्ण है?

प्राणियों में जैविक विविधता जीवन का अभिन्न हिस्सा है और विभिन्न प्रकार के प्राणियों का एक संतुलित परिसंघन बनाए रखता है।

कोशिका के प्रकार और उनके कार्य क्या हैं?

प्राणियों में दो प्रकार की कोशिकाएं होती हैं - यूकेरियोटिक और प्रोकरियोटिक। यूकेरियोटिक कोशिकाएं अनुक्रियात्मक कार्य करती हैं, जबकि प्रोकरियोटिक कोशिकाएं औसत विचलन करती हैं।

प्राणियों में पाचन तंत्र क्यों महत्वपूर्ण है?

पाचन तंत्र प्राणियों के शरीर को ऊर्जा और पोषण प्रदान करता है और अनावश्यक तत्वों को निकालता है।

संवेगी तंत्र क्या है और इसका क्या महत्व है?

<p>संवेगी तंत्र से उत्पन्न होने वाला तंत्रिक उत्तेजना जीवन के लिए बहुत आवश्यक है जो जीवन की संरचना और कार्यों को संचालित करता हृ।</p> Signup and view all the answers

जीवाणु और विषाणु के बीच क्या अंतर है?

<p>साइज</p> Signup and view all the answers

प्रकार और उनके कार्य क्या हैं?

<p>कोशिका</p> Signup and view all the answers

क्या होता है क्लोनिंग?

<p>जीन</p> Signup and view all the answers

पाचन तंत्र क्यों महत्वपूर्ण है?

<p>पोषण</p> Signup and view all the answers

Flashcards

Why is biodiversity important in animals?

Biological diversity in animals is crucial for maintaining a balanced ecosystem and ensuring the survival of various species. Think of it as a complex web where each animal plays a vital role.

What are the types of cells and their functions?

Eukaryotic cells are complex cells with a nucleus and other organelles that carry out specific functions like energy production and protein synthesis. Prokaryotic cells, on the other hand, are simpler cells lacking a nucleus and other organelles.

Why is the digestive system important?

The digestive system breaks down food into nutrients that our body can absorb and use for energy and growth. It also eliminates waste products.

What is the nervous system and its importance?

The nervous system is a network of nerves that transmits signals throughout the body. It controls everything from our thoughts and movements to our senses and emotions.

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What is the difference between bacteria and viruses?

Bacteria are single-celled organisms that can be found everywhere. Viruses, on the other hand, are much smaller and can only replicate inside other living cells.

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What is cloning?

Cloning is the process of creating an exact copy of a living organism. Scientists use genetic engineering techniques to make copies of genes or entire organisms.

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Why is the digestive system important?

The digestive system plays a crucial role in obtaining nutrients from food which are essential for providing our body with energy and building blocks for growth and repair.

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What are cells, and what do they do?

You can think of a cell as the basic building block of all living things. It is responsible for carrying out all the functions necessary for life, such as taking in nutrients, producing energy, and eliminating waste.

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