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परागण एक पौधे के परागकोष से पौधे के वर्तिकाग्र तक पराग का स्थानान्तरण है, जो बाद में निषेचन और बीजों के उत्पादन को सक्षम बनाता है, जो अक्सर किसी वाहक जैसे वायु, जल अथवा पशुओं द्वारा सम्पन्न होता है। परागण अक्सर एक प्रजाति के भीतर होता है।

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What is the difference between Factor and Gene?

Posted by Shravani Gulhane 4 years, 1 month ago

UP Board > Class 12 > जीव विज्ञान

1 answers

Sia ? 4 years, 1 month ago

Genes and factors are the same things… Actually the word factor was given by mendal to genes.. The word gene was given later by johnson 1909… So gene or factor is the thing which determine or allow expression of a particular trait.

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Ansar

Posted by Sanu Khan 4 years, 5 months ago

UP Board > Class 12 > जीव विज्ञान

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What is endosperm

Posted by Akhilesh Kumar 4 years, 4 months ago

UP Board > Class 12 > जीव विज्ञान

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Sia ? 4 years, 4 months ago

The endosperm is a tissue produced inside the seeds of most of the flowering plants following fertilization. It is triploid in most species. It surrounds the embryo and provides nutrition in the form of starch, though it can also contain oils and protein. This can make endosperm a source of nutrition in animal diet.

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English m biology chapter 1 ka important questions previous year up board Class 12

Posted by Krishal Sahani 4 years, 10 months ago

UP Board > Class 12 > जीव विज्ञान

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Phinger printing kya hai

Posted by Sugandh Yadav 4 years, 11 months ago

UP Board > Class 12 > जीव विज्ञान

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Anurag Saroj 4 years, 5 months ago

Dna fingerprinting

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What's niche

Posted by Kashish Kushwaha 4 years, 7 months ago

UP Board > Class 12 > जीव विज्ञान

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Atul Panchal 4 years, 9 months ago

Biology kafirstlesson

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Sylabbus

Posted by Durgesh Verma 5 years ago

UP Board > Class 12 > जीव विज्ञान

3 answers

Krishal Sahani 4 years, 10 months ago

Up board class 12 ka biology ka syllabus in English

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Vashnavi Kashyap 😇😇😇😇😇😇 4 years, 11 months ago

Biology puestion

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Vikas Verma 5 years ago

Vita b12

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What is respiration

Posted by Anuj Annu 3 years, 9 months ago

UP Board > Class 12 > जीव विज्ञान

2 answers

Ajay Yadav 4 years, 9 months ago

Man

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Yogita Ingle 5 years ago

Respiration is defined as the biochemical process wherein the living cells of an organism produce energy by taking in oxygen and liberating carbon dioxide from the oxidation of complex organic substances.

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D.N.A kya hai

Posted by Bharat Singh 5 years, 1 month ago

UP Board > Class 12 > जीव विज्ञान

3 answers

Aviral Shukla 4 years, 11 months ago

Deoxyribonucleic acid

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Vikas Verma 5 years ago

De oxi ribo niuclic acid,, cromosom,,

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Gaurav Seth 5 years, 1 month ago

डीएनए एक जटिल, लंबा जंजीर जैसा दिखने वाला अणु है जो जीवित जीव की आनुवांशिक विशेषताओं को एन्कोड करता है। अधिकांश पौधों और जानवरों में, डीएनए राइबोन्यूक्लिक एसिड और प्रोटीन के साथ कॉम्पैक्ट (संकुचित) संरचनाओं के रूप पाया जाता है जिसे कोशिका नाभिक (सेल न्यूक्लियस) में रहने वाले गुणसूत्र (क्रोमोसोम्स) कहा जाता है।

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Resham ke keet ka vaigyanik name kya hai

Posted by Roshani Jatav 5 years, 1 month ago

UP Board > Class 12 > जीव विज्ञान