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1
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404
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कृत्रिम पारिस्थितिक तंत्र का कोई दो उदाहरण दें। Give any two examples of artificial ecosystem.
Biology
- asked 9 months ago
- B Butts
1
answers
550
views
1
answers
399
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1
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368
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1
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721
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भोजन के पाचन में लार की क्या भूमिका है ? What is the role of saliva in digestion of food?
Biology
- asked 1 year ago
- B Butts
1
answers
386
views
वायु-प्रदूषण के कारक कौन-कौन से है ? What are the factors of air pollution?
Biology
- asked 9 months ago
- B Butts
1
answers
312
views
जीवों में उत्परिवर्तन का मुख्य कारण क्या है ? What is the main cause of mutation in organisms?
Biology
- asked 7 months ago
- B Butts
1
answers
370
views
प्रदूषण से क्या समझते हैं ? What do you understand by pollution?
Biology
- asked 9 months ago
- B Butts
1
answers
388
views
1
answers
452
views
पारिस्थितिक तंत्र में उत्पादकों के क्या कार्य हैं ? What are the functions of producers in an ecosystem?
Biology
- asked 9 months ago
- B Butts
1
answers
390
views
आहार श्रृंखला को परिभाषित करें। Define diet chain.
Biology
- asked 9 months ago
- B Butts
1
answers
255
views
आनुवंशिक गुण से क्या समझते हैं ? What do you understand by genetic trait?
Biology
- asked 7 months ago
- B Butts
2
answers
272
views
1
answers
239
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उपार्जित लक्षण क्या है ? What is an acquired symptom?
Biology
- asked 7 months ago
- B Butts
1
answers
832
views
1
answers
471
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हम अपने माता-पिता के समान क्यों होते हैं ? Why are we like our parents?
Biology
- asked 7 months ago
- B Butts
1
answers
423
views
धमनी और शिरा में अंतर लिखिए। Write the difference between artery and vein.
Biology
- asked 1 year ago
- B Butts
1
answers
1.3k
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जनन क्यों आवश्यक है ? Why is reproduction necessary?
Biology
- asked 1 year ago
- B Butts
1
answers
486
views
1
answers
561
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मनुष्य के नर प्रजनन तन्त्र का वर्णन कीजिए। Describe the male reproductive system of man.
Biology
- asked 1 year ago
- B Butts
1
answers
295
views
1
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367
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1
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763
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1
answers
2.1k
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1
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283
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प्रभावी व अप्रभावी लक्षण किसे कहते हैं ? What are the dominant and ineffective traits?
Biology
- asked 7 months ago
- B Butts
1
answers
434
views
1
answers
427
views
1
answers
332
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पारिस्थितिकी दक्षता को परिभाषित करें । Define ecological efficiency.
Biology
- asked 9 months ago
- B Butts
1
answers
251
views
जंतु वर्गीकरण के विभिन्न स्तरों का नाम लिखें। Name the different levels of animal classification.
Biology
- asked 7 months ago
- B Butts
1
answers
637
views