Class 12th Biology Subjective Type Question पुष्पी पादपों में लैंगिक जनन Chapter in Hindi

पुष्पी पादपों में लैंगिक जनन (Reproduction In Flowering Plants)

1. पुंपूर्वता से आप क्या समझते हैं? इसके लाभ बताइए।

उत्तर- परागकोष, वर्तिकाग्र से पहले ही परिपक्व हो जाते हैं, इस अनुकूलन को पुंपूर्वता (protandry) कहते हैं। उदाहरण-साल्विया। इस अनुकूलन के रण पौधों में स्वपरागण (self pollination) नहीं हो सकता है।

2. एक प्रारूपी आवृत्तबीजी बीजाण्ड के भागों का विवरण दिखाते हुए एक स्पष्ट एवं साफ-सुथरा नामांकित चित्र बनाइए।

उत्तर :-

3. चलबीजाणु तथा कोनीडिया को चित्र द्वारा दर्शाएँ। 

Ans. : 

4. स्वपरागण के लाभों को बताएँ। 

Ans. :- स्वपरागण के निम्नलिखित लाभ हैं :

(i) स्वपरागण पौधे की विशिष्ट जाति को बनाए रखता है तथा जीन के मिश्रण को रोकता है। 

(ii) परागण के अवसर अधिक होते हैं।

12th Biology Objective Subjective Questions and Answers in Hindi, 12th Biology Objective Questions and Answers in Hindi, 12th Biology Objective Questions and Answers pdf in Hindi, Chemistry Objective question 12th, Bihar Board 12th Biology Objective Question Sexual Reproduction in Flowering Plants Chapter, 12th Biology ka objective question, Biology ka objective question 12th, Class 12th Biology Subjective Type Question जीवों में जनन Chapter in Hindi

12th biology objective questions and answers in Hindi, 12th biology objective, Class 12th Biology Most VVI MCQ Objective Chapter Wise Question in Hindi on New Pattern, BSEB Inter Exam Biology Objective Question Set 12th board, Class 12th Exam Science Stream Biology VVI Objective Type Question Ecosystem Chapter, Class 12th Exam Biology Objective MCQ Question Chapter Wise in English, 12th Biology Short Long Type Question Reproduction In Organisms Chapter in Hindi

IMPORTANT LINKS –

Class 12th Biology VVI Objective Subjective Question in Hindi Sexual Reproduction in Flowering Plants Chapter, BSEB Inter Exam Biology Chapter wise Objective Subjective Question New Pattern, Bihar Board 12th Biology Objective Subjective  Question Sexual Reproduction in Flowering Plants Chapter, Class 12th Exam Biology VVI Objective Subjective Question Human Reproduction Chapter, 12th Board Exam Biology Most VVI MCQ Question Reproductive Health Chapter, Class 12th Board Exam Biology Important Chapter Wise MCQ Subjective Question in Hindi,

BSEB Inter Exam Biology Important MCQ Question Evolution Chapter in Hindi, Class 12th Biology VVI Objective MCQ Human Health and Diseases Chapter in English, Class 12th Exam Biology Chapter Wise Objective MCQ Question in English, Class 12th Biology Most VVI MCQ Objective Chapter Wise Question in English on New Pattern, BSEB Inter Exam Biology Chapter Wise Objective Subjective MCQ Question in Hindi, Class 12th Biology Subjective Type Question पुष्पी पादपों में लैंगिक जनन Chapter in Hindi