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Sexual Reproduction in Flowering Plants

CBSE · Class 12 · Biology

Flashcards for Sexual Reproduction in Flowering Plants — CBSE Class 12 Biology. Quick Q&A cards covering key concepts, definitions, and formulas.

34 questions80 flashcards5 concepts

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A flowchart illustrating the process of megasporogenesis (from MMC to functional megaspore) and the subsequent monosporic development of the female gametophyte (embryo sac) through mitotic divisions t
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80 Flashcards
Card 1Flower as reproductive organ

What makes a flower the site of sexual reproduction in angiosperms?

Answer

A flower carries the male reproductive organ, the stamen, and the female reproductive organ, the pistil. Together, these structures produce the male and female gametes needed for sexual reproduction,

Card 2पुष्प एक प्रजनन अंग के रूप में

एक फूल को आवृतबीजी में यौन प्रजनन का स्थल क्या बनाता है?

Answer

एक पुष्प में नर जनन अंग पुंकेसर और मादा जनन अंग स्त्रीकेसर होते हैं। ये दोनों मिलकर जनन के लिए आवश्यक नर और मादा युग्मक बनाते हैं, जिनसे बीज और फल बनते हैं।

Card 3Stamen

What are the two main parts of a stamen?

Answer

A stamen has a filament and an anther. The filament is a long slender stalk, and the anther is the terminal, generally bilobed structure that produces pollen grains.

Card 4पुंकेसर

पुंकेसर के दो मुख्य भाग क्या हैं?

Answer

पुंकेसर में एक तंतु और एक परागकोश होता है। तंतु एक लंबा पतला डंठल होता है और परागकोश एक अंतिम, आम तौर पर द्विशाखा संरचना होती है जो पराग कणों का उत्पादन करती है।

Card 5Anther

Describe the structure of a typical anther.

Answer

A typical anther is bilobed, tetragonal, and dithecous. It has four microsporangia at the corners, two in each lobe. Each microsporangium later develops into a pollen sac packed with pollen grains.

Card 6पुंकेसर

एक सामान्य परागकोश की संरचना का वर्णन कीजिए।

Answer

एक सामान्य परागकोश द्वि-खंडीय, चतुष्कोणीय और द्वि-कोशीय होता है। इसके कोनों पर चार सूक्ष्म बीजाणुधानी होते हैं, प्रत्येक खंड में दो। प्रत्येक सूक्ष्म बीजाणुधानी बाद में परागकोश में विकसित होकर परागकणो

Card 7Microsporangium

What is a microsporangium and what are its wall layers?

Answer

A microsporangium is the structure inside the anther that develops into a pollen sac. It has four wall layers: epidermis, endothecium, middle layers, and tapetum. The tapetum nourishes the developing

Card 8सूक्ष्म बीजाणुधानी

सूक्ष्म बीजाणुधानी क्या है और इसकी दीवार की परतें क्या हैं?

Answer

सूक्ष्म बीजाणुधानी (microsporangium) पुंकेसर के अन्दर की वह संरचना है जो विकसित होकर परागकोश बन जाती है। इसकी चार दीवारें होती हैं: उपकला (एपिडर्मिस), अन्तस्त्वचा (एन्डोथेशियम), मध्यस्तर और टैपेटम। टै

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Frequently Asked Questions

What are the important topics in Sexual Reproduction in Flowering Plants for CBSE Class 12 Biology?
Key topics in Sexual Reproduction in Flowering Plants include Correct vs Incorrect: Double Fertilisation Products, Events from Pollination to Double Fertilisation, Double Fertilisation in Angiosperms. These are the concepts CBSE Class 12 examiners draw on most — study them first, then practise related questions.
How to score full marks in Sexual Reproduction in Flowering Plants — CBSE Class 12 Biology?
Understand the core concepts first, then work through the 34 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.
How many flashcards are available for Sexual Reproduction in Flowering Plants?
There are 80 flashcards for Sexual Reproduction in Flowering Plants covering key definitions, formulas, and concepts. Use them daily for 10–15 minutes for best results.

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