पुष्प में नर प्रजनन अंग को क्या कहा जाता है?
What is the male reproductive organ of a flower called?
Explanation opens after your attempt
Correct Answer
A. पुंकेसर/Stamen
Step 1
Concept
Identify the concept: the male part of a flower is the stamen.
Step 2
Why this answer is correct
It has anther and filament, so it produces pollen.
Step 3
Exam Tip
Exam note: Stamen means male reproductive part.
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पुष्प में मादा प्रजनन अंग को क्या कहा जाता है?
What is the female reproductive organ of a flower called?
Explanation opens after your attempt
Correct Answer
B. अंडप/Carpel
Step 1
Concept
Identify the concept: the female part is the carpel or pistil.
Step 2
Why this answer is correct
It includes stigma, style, and ovary.
Step 3
Exam Tip
Memory tip: Carpel means female reproductive part.
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परागकोष का मुख्य कार्य क्या है?
What is the main function of the anther?
Explanation opens after your attempt
Correct Answer
B. परागकण बनाना/To produce pollen grains
Step 1
Concept
Identify the concept: anther is part of the stamen.
Step 2
Why this answer is correct
It produces pollen grains, which carry male gametes.
Step 3
Exam Tip
Exam note: Anther produces pollen.
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एक सामान्य परागकोष में कितने परागकोष्ठ होते हैं?
How many microsporangia are present in a typical anther?
Explanation opens after your attempt
Correct Answer
B. चार/Four
Step 1
Concept
Identify the concept: a typical anther is bilobed.
Step 2
Why this answer is correct
Each lobe has two microsporangia, so total is four.
Step 3
Exam Tip
Memory tip: Typical anther has 4 microsporangia.
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परागकण किससे बनते हैं?
Pollen grains are formed from which cells?
Explanation opens after your attempt
Correct Answer
A. माइक्रोस्पोर मातृ कोशिकाएं/Microspore mother cells
Step 1
Concept
Identify the concept: pollen formation is microsporogenesis.
Step 2
Why this answer is correct
Microspore mother cells undergo meiosis to form microspores that become pollen grains.
Step 3
Exam Tip
Exam note: MMC forms microspores.
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परागकण की बाहरी भित्ति को क्या कहते हैं?
What is the outer wall of a pollen grain called?
Explanation opens after your attempt
Correct Answer
B. एक्साइन/Exine
Step 1
Concept
Identify the concept: pollen grain has two walls.
Step 2
Why this answer is correct
The outer wall is exine and the inner wall is intine.
Step 3
Exam Tip
Memory tip: Exine means external wall.
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परागकण की भीतरी भित्ति को क्या कहते हैं?
What is the inner wall of a pollen grain called?
Explanation opens after your attempt
Correct Answer
B. इंटाइन/Intine
Step 1
Concept
Identify the concept: pollen has two wall layers.
Step 2
Why this answer is correct
Intine is the inner thin layer and helps form the pollen tube.
Step 3
Exam Tip
Exam note: Intine is the inner wall.
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परागकण की एक्साइन मुख्य रूप से किस पदार्थ की बनी होती है?
Exine of pollen grain is mainly made of which substance?
Explanation opens after your attempt
Correct Answer
B. स्पोरोपोलिनिन/Sporopollenin
Step 1
Concept
Identify the concept: exine is the outer pollen wall.
Step 2
Why this answer is correct
It is made of sporopollenin, a very resistant material.
Step 3
Exam Tip
Exam note: Sporopollenin protects pollen.
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परागकण में जनन कोशिका का कार्य क्या है?
What is the function of the generative cell in a pollen grain?
Explanation opens after your attempt
Correct Answer
B. दो नर युग्मक बनाना/To form two male gametes
Step 1
Concept
Identify the concept: pollen has vegetative and generative cells.
Step 2
Why this answer is correct
The generative cell divides to form two male gametes.
Step 3
Exam Tip
Memory tip: Generative cell generates gametes.
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परागकण में कायिक कोशिका सामान्यतः कैसी होती है?
How is the vegetative cell in a pollen grain generally described?
Explanation opens after your attempt
Correct Answer
B. बड़ी और भोजन से भरपूर/Large and rich in food
Step 1
Concept
Identify the concept: the vegetative cell is larger in pollen.
Step 2
Why this answer is correct
It supports pollen tube growth and contains food reserves.
Step 3
Exam Tip
Exam note: Vegetative cell is larger.
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परागण का सही अर्थ क्या है?
What is the correct meaning of pollination?
Explanation opens after your attempt
Correct Answer
A. परागकणों का वर्तिकाग्र पर पहुंचना/Transfer of pollen grains to stigma
Step 1
Concept
Identify the concept: pollination is an early step in reproduction.
Step 2
Why this answer is correct
It means pollen grains reach the stigma from anther.
Step 3
Exam Tip
Exam note: Pollination is transfer, fertilization is fusion.
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जब परागण उसी फूल में होता है तो उसे क्या कहते हैं?
Pollination within the same flower is called what?
Explanation opens after your attempt
Correct Answer
B. स्वपरागण/Autogamy
Step 1
Concept
Identify the concept: self-pollination uses pollen from the same plant.
Step 2
Why this answer is correct
When pollen reaches the stigma of the same flower, it is autogamy.
Step 3
Exam Tip
Memory tip: Auto means self.
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एक ही पौधे के दो अलग-अलग फूलों के बीच परागण को क्या कहते हैं?
Pollination between two different flowers of the same plant is called what?
Explanation opens after your attempt
Correct Answer
B. जाइटोनोगैमी/Geitonogamy
Step 1
Concept
Identify the concept: pollination can occur between different flowers on the same plant.
Step 2
Why this answer is correct
This is called geitonogamy.
Step 3
Exam Tip
Exam note: Geitonogamy is genetically similar to self-pollination.
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दो अलग-अलग पौधों के फूलों के बीच परागण को क्या कहते हैं?
Pollination between flowers of two different plants is called what?
Explanation opens after your attempt
Correct Answer
C. जीनोगैमी/Xenogamy
Step 1
Concept
Identify the concept: pollination between different plants brings genetic variation.
Step 2
Why this answer is correct
This is called xenogamy.
Step 3
Exam Tip
Memory tip: Xeno means different.
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वायु द्वारा परागण को क्या कहा जाता है?
Pollination by wind is called what?
Explanation opens after your attempt
Correct Answer
B. एनिमोफिली/Anemophily
Step 1
Concept
Identify the concept: pollination has different agents.
Step 2
Why this answer is correct
Wind pollination is called anemophily.
Step 3
Exam Tip
Exam note: Anemo means wind.
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जल द्वारा परागण को क्या कहते हैं?
Pollination by water is called what?
Explanation opens after your attempt
Correct Answer
C. हाइड्रोफिली/Hydrophily
Step 1
Concept
Identify the concept: in some plants water acts as a pollinating agent.
Step 2
Why this answer is correct
Pollination by water is hydrophily.
Step 3
Exam Tip
Memory tip: Hydro means water.
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कीटों द्वारा परागण को क्या कहा जाता है?
Pollination by insects is called what?
Explanation opens after your attempt
Correct Answer
A. एंटोमोफिली/Entomophily
Step 1
Concept
Identify the concept: insects pollinate many flowers.
Step 2
Why this answer is correct
Pollination by insects is called entomophily.
Step 3
Exam Tip
Exam note: Entomo means insects.
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वायु-परागित फूलों की सामान्य विशेषता क्या होती है?
What is a common feature of wind-pollinated flowers?
Explanation opens after your attempt
Correct Answer
B. हल्के और अधिक संख्या में परागकण/Light pollen grains produced in large number
Step 1
Concept
Identify the concept: wind-pollinated pollen must travel through air.
Step 2
Why this answer is correct
So pollen grains are light and produced in large numbers.
Step 3
Exam Tip
Exam note: Wind-pollinated flowers are usually not showy.
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कीट-परागित फूलों में कौन-सी विशेषता सामान्यतः पाई जाती है?
Which feature is commonly found in insect-pollinated flowers?
Explanation opens after your attempt
Correct Answer
A. रंगीन दल और सुगंध/Colourful petals and fragrance
Step 1
Concept
Identify the concept: insects are attracted by flowers.
Step 2
Why this answer is correct
Colour, fragrance, and nectar attract insects.
Step 3
Exam Tip
Memory tip: Insect-pollinated flowers are attractive.
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परागकण वर्तिकाग्र पर अंकुरित होकर क्या बनाता है?
What does a pollen grain form after germinating on the stigma?
Explanation opens after your attempt
Correct Answer
B. परागनली/Pollen tube
Step 1
Concept
Identify the concept: after pollination the pollen grain germinates.
Step 2
Why this answer is correct
It forms a pollen tube on the stigma.
Step 3
Exam Tip
Exam note: Pollen tube carries male gametes to the embryo sac.
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बीजांड अंडाशय के अंदर किससे जुड़ा रहता है?
Ovule is attached inside the ovary by which structure?
Explanation opens after your attempt
Correct Answer
A. फ्यूनिकल/Funicle
Step 1
Concept
Identify the concept: ovule is present inside the ovary.
Step 2
Why this answer is correct
It is attached to the placenta by the funicle.
Step 3
Exam Tip
Memory tip: Funicle works like a small stalk.
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बीजांड के छोटे छिद्र को क्या कहा जाता है?
What is the small opening in an ovule called?
Explanation opens after your attempt
Correct Answer
B. बीजांडद्वार/Micropyle
Step 1
Concept
Identify the concept: ovule has a small opening.
Step 2
Why this answer is correct
This opening is called micropyle and may allow pollen tube entry.
Step 3
Exam Tip
Exam note: Micropyle is also seen as a pore in seed.
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बीजांड का मुख्य पोषक ऊतक कौन-सा है?
Which is the main nutritive tissue of the ovule?
Explanation opens after your attempt
Correct Answer
A. न्यूसेलस/Nucellus
Step 1
Concept
Identify the concept: ovule has tissue around the embryo sac.
Step 2
Why this answer is correct
Nucellus is the nutritive tissue.
Step 3
Exam Tip
Memory tip: Nucellus nourishes the embryo sac.
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मादा युग्मकोद्भिद को सामान्यतः क्या कहा जाता है?
What is the female gametophyte commonly called?
Explanation opens after your attempt
Correct Answer
B. भ्रूणकोष/Embryo sac
Step 1
Concept
Identify the concept: female gametophyte is inside the ovule.
Step 2
Why this answer is correct
It is called the embryo sac.
Step 3
Exam Tip
Exam note: Female gametophyte equals embryo sac.
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सामान्य परिपक्व भ्रूणकोष में कितनी कोशिकाएं होती हैं?
How many cells are present in a typical mature embryo sac?
Explanation opens after your attempt
Correct Answer
B. सात/Seven
Step 1
Concept
Identify the concept: typical embryo sac is 7-celled and 8-nucleate.
Step 2
Why this answer is correct
It has 7 cells because the central cell has two polar nuclei.
Step 3
Exam Tip
Memory tip: 7 cells, 8 nuclei.
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सामान्य परिपक्व भ्रूणकोष में कितने केंद्रक होते हैं?
How many nuclei are present in a typical mature embryo sac?
Explanation opens after your attempt
Correct Answer
B. आठ/Eight
Step 1
Concept
Identify the concept: embryo sac structure is important for exams.
Step 2
Why this answer is correct
A typical mature embryo sac has 8 nuclei.
Step 3
Exam Tip
Exam note: Mature embryo sac is 7-celled and 8-nucleate.
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अंड उपकरण में क्या-क्या शामिल होता है?
What is included in the egg apparatus?
Explanation opens after your attempt
Correct Answer
A. एक अंड कोशिका और दो सहायक कोशिकाएं/One egg cell and two synergids
Step 1
Concept
Identify the concept: egg apparatus is at the micropylar end of embryo sac.
Step 2
Why this answer is correct
It includes one egg cell and two synergids.
Step 3
Exam Tip
Memory tip: Egg apparatus equals 1 egg plus 2 synergids.
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भ्रूणकोष में प्रतिपाद कोशिकाएं किस सिरे पर पाई जाती हैं?
Antipodal cells are found at which end of the embryo sac?
Explanation opens after your attempt
Correct Answer
B. चालाजा सिरे पर/Chalazal end
Step 1
Concept
Identify the concept: embryo sac has two ends.
Step 2
Why this answer is correct
Antipodal cells are at the chalazal end.
Step 3
Exam Tip
Exam note: Egg apparatus is at micropylar end, antipodals are at chalazal end.
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भ्रूणकोष की केंद्रीय कोशिका में सामान्यतः क्या होता है?
What is usually present in the central cell of the embryo sac?
Explanation opens after your attempt
Correct Answer
A. दो ध्रुवीय केंद्रक/Two polar nuclei
Step 1
Concept
Identify the concept: central cell is a large part of embryo sac.
Step 2
Why this answer is correct
It usually contains two polar nuclei, which later fuse with a male gamete.
Step 3
Exam Tip
Exam note: Central cell participates in triple fusion.
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मेगास्पोर मातृ कोशिका किस प्रक्रिया से मेगास्पोर बनाती है?
By which process does the megaspore mother cell form megaspores?
Explanation opens after your attempt
Correct Answer
B. मीयोसिस/Meiosis
Step 1
Concept
Identify the concept: megasporogenesis forms megaspores.
Step 2
Why this answer is correct
Megaspore mother cell undergoes meiosis to form four megaspores.
Step 3
Exam Tip
Exam note: Mother cell to spores usually involves meiosis.
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सामान्यतः चार मेगास्पोर में से कितने क्रियाशील रहते हैं?
Usually how many megaspores remain functional out of four?
Explanation opens after your attempt
Step 1
Concept
Identify the concept: megasporogenesis forms four megaspores.
Step 2
Why this answer is correct
Usually only one remains functional and forms the embryo sac.
Step 3
Exam Tip
Memory tip: Four formed, one functional.
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पराग-स्त्रीकेसर अंतःक्रिया का मुख्य उद्देश्य क्या है?
What is the main purpose of pollen-pistil interaction?
Explanation opens after your attempt
Correct Answer
B. उचित पराग को पहचानना और स्वीकार करना/To recognize and accept compatible pollen
Step 1
Concept
Identify the concept: pollen and pistil show a recognition process.
Step 2
Why this answer is correct
Pistil accepts compatible pollen and may reject incompatible pollen.
Step 3
Exam Tip
Exam note: Compatibility is important for fertilization.
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द्वि-निषेचन किस समूह की विशेषता है?
Double fertilization is a characteristic feature of which group?
Explanation opens after your attempt
Correct Answer
C. आवृतबीजी/Angiosperms
Step 1
Concept
Identify the concept: double fertilization occurs in flowering plants.
Step 2
Why this answer is correct
Angiosperms show two fusions: syngamy and triple fusion.
Step 3
Exam Tip
Exam note: Double fertilization is a special feature of angiosperms.
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सिंगैमी में किसका संलयन होता है?
What fuses during syngamy?
Explanation opens after your attempt
Correct Answer
A. एक नर युग्मक और अंड कोशिका/One male gamete and egg cell
Step 1
Concept
Identify the concept: syngamy is part of fertilization.
Step 2
Why this answer is correct
One male gamete fuses with the egg to form the zygote.
Step 3
Exam Tip
Memory tip: Syngamy forms zygote.
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ट्रिपल फ्यूजन में किसका संलयन होता है?
What fuses during triple fusion?
Explanation opens after your attempt
Correct Answer
B. एक नर युग्मक और दो ध्रुवीय केंद्रक/One male gamete and two polar nuclei
Step 1
Concept
Identify the concept: triple fusion is the second fusion in double fertilization.
Step 2
Why this answer is correct
One male gamete fuses with two polar nuclei.
Step 3
Exam Tip
Exam note: Triple fusion forms the primary endosperm nucleus.
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सिंगैमी के बाद क्या बनता है?
What is formed after syngamy?
Explanation opens after your attempt
Correct Answer
A. युग्मनज/Zygote
Step 1
Concept
Identify the concept: syngamy is fusion of egg and male gamete.
Step 2
Why this answer is correct
It forms the zygote, which later develops into embryo.
Step 3
Exam Tip
Memory tip: Zygote develops into embryo.
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ट्रिपल फ्यूजन के बाद मुख्य रूप से कौन-सा ऊतक बनता है?
Which tissue mainly forms after triple fusion?
Explanation opens after your attempt
Correct Answer
B. एंडोस्पर्म/Endosperm
Step 1
Concept
Identify the concept: triple fusion occurs in the central cell.
Step 2
Why this answer is correct
It leads to endosperm formation, which nourishes the embryo.
Step 3
Exam Tip
Exam note: Endosperm is a nutritive tissue.
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निषेचन के बाद बीजांड किसमें बदलता है?
After fertilization, the ovule develops into what?
Explanation opens after your attempt
Correct Answer
B. बीज/Seed
Step 1
Concept
Identify the concept: after fertilization, flower parts change.
Step 2
Why this answer is correct
The ovule develops into the seed.
Step 3
Exam Tip
Exam note: Ovule becomes seed.
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निषेचन के बाद अंडाशय किसमें बदलता है?
After fertilization, the ovary develops into what?
Explanation opens after your attempt
Correct Answer
B. फल/Fruit
Step 1
Concept
Identify the concept: the ovary grows after fertilization.
Step 2
Why this answer is correct
The ovary develops into the fruit.
Step 3
Exam Tip
Memory tip: Ovary becomes fruit, ovule becomes seed.
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बीजावरण किससे बनता है?
Seed coat develops from which part?
Explanation opens after your attempt
Correct Answer
A. बीजांडावरण/Integuments
Step 1
Concept
Identify the concept: seed has a protective outer covering.
Step 2
Why this answer is correct
Integuments of ovule form the seed coat.
Step 3
Exam Tip
Exam note: Integuments form seed coat.
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भ्रूण किससे विकसित होता है?
Embryo develops from which structure?
Explanation opens after your attempt
Correct Answer
B. युग्मनज/Zygote
Step 1
Concept
Identify the concept: syngamy forms the zygote.
Step 2
Why this answer is correct
The zygote divides and develops into the embryo.
Step 3
Exam Tip
Memory tip: Zygote to embryo is a basic sequence.
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एंडोस्पर्म का मुख्य कार्य क्या है?
What is the main function of endosperm?
Explanation opens after your attempt
Correct Answer
A. भ्रूण को पोषण देना/To nourish the embryo
Step 1
Concept
Identify the concept: endosperm is a post-fertilization tissue.
Step 2
Why this answer is correct
It provides food and nourishment to the developing embryo.
Step 3
Exam Tip
Exam note: Endosperm is nutritive.
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भ्रूण में बीजपत्रों की संख्या के आधार पर आवृतबीजी पौधे किसमें बांटे जाते हैं?
Based on number of cotyledons in embryo, angiosperms are divided into which groups?
Explanation opens after your attempt
Correct Answer
B. एकबीजपत्री और द्विबीजपत्री/Monocots and dicots
Step 1
Concept
Identify the concept: cotyledons are parts of the embryo.
Step 2
Why this answer is correct
Plants with one cotyledon are monocots and with two are dicots.
Step 3
Exam Tip
Memory tip: Mono means one, di means two.
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द्विबीजपत्री भ्रूण में कितने बीजपत्र होते हैं?
How many cotyledons are present in a dicot embryo?
Explanation opens after your attempt
Step 1
Concept
Identify the concept: the word dicot itself gives the clue.
Step 2
Why this answer is correct
A dicot embryo has two cotyledons.
Step 3
Exam Tip
Exam note: Dicot means two cotyledons.
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एकबीजपत्री भ्रूण में एकमात्र बीजपत्र को क्या कहते हैं?
What is the single cotyledon of a monocot embryo called?
Explanation opens after your attempt
Correct Answer
A. स्क्यूटेलम/Scutellum
Step 1
Concept
Identify the concept: a monocot embryo has one cotyledon.
Step 2
Why this answer is correct
In grasses, this single cotyledon is called scutellum.
Step 3
Exam Tip
Exam note: Scutellum is the single cotyledon of monocot embryo.
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बीज का कौन-सा भाग भविष्य की जड़ बनाता है?
Which part of the seed embryo forms the future root?
Explanation opens after your attempt
Correct Answer
B. रैडिकल/Radicle
Step 1
Concept
Identify the concept: embryo has future shoot and root parts.
Step 2
Why this answer is correct
Radicle develops into the future root.
Step 3
Exam Tip
Memory tip: Radicle means root part.
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बीज का कौन-सा भाग भविष्य का प्ररोह बनाता है?
Which part of the seed embryo forms the future shoot?
Explanation opens after your attempt
Correct Answer
B. प्लूम्यूल/Plumule
Step 1
Concept
Identify the concept: embryo gives rise to a new plant.
Step 2
Why this answer is correct
Plumule develops into the future shoot.
Step 3
Exam Tip
Memory tip: Plumule means shoot part.
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बीज प्रसुप्ति का क्या लाभ है?
What is the advantage of seed dormancy?
Explanation opens after your attempt
Correct Answer
B. बीज प्रतिकूल परिस्थितियों में जीवित रह सकते हैं/Seeds can survive unfavorable conditions
Step 1
Concept
Identify the concept: dormancy means the seed remains inactive for some time.
Step 2
Why this answer is correct
It helps the seed survive unfavorable conditions like drought or cold.
Step 3
Exam Tip
Exam note: Dormancy helps survival and correct germination time.
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बिना निषेचन के बीज बनने की प्रक्रिया को क्या कहते हैं?
Formation of seed without fertilization is called what?
Explanation opens after your attempt
Correct Answer
B. अपोमिक्सिस/Apomixis
Step 1
Concept
Identify the concept: sometimes seeds form without fertilization.
Step 2
Why this answer is correct
This process is called apomixis.
Step 3
Exam Tip
Exam note: Apomixis forms seeds without fertilization.
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एक बीज में एक से अधिक भ्रूण बनने की स्थिति को क्या कहते हैं?
The condition of having more than one embryo in a seed is called what?
Explanation opens after your attempt
Correct Answer
A. बहुभ्रूणता/Polyembryony
Step 1
Concept
Identify the concept: some seeds may have more than one embryo.
Step 2
Why this answer is correct
This condition is called polyembryony.
Step 3
Exam Tip
Exam note: Poly means many and embryo means young plant structure.
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