Practice focused topic-wise MCQs with answers and explanations for quick revision and exam preparation.
Difficulty select karke sirf is topic ke focused MCQs practice karein. Score, timer aur explanations student-friendly flow me milenge.
Showing 41-50 of 50 questions.
Embryo develops from which structure?
B. युग्मनजZygote
Identify the concept: syngamy forms the zygote.
The zygote divides and develops into the embryo.
Memory tip: Zygote to embryo is a basic sequence.
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What is the main function of endosperm?
A. भ्रूण को पोषण देनाTo nourish the embryo
Identify the concept: endosperm is a post-fertilization tissue.
It provides food and nourishment to the developing embryo.
Exam note: Endosperm is nutritive.
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Based on number of cotyledons in embryo, angiosperms are divided into which groups?
B. एकबीजपत्री और द्विबीजपत्रीMonocots and dicots
Identify the concept: cotyledons are parts of the embryo.
Plants with one cotyledon are monocots and with two are dicots.
Memory tip: Mono means one, di means two.
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How many cotyledons are present in a dicot embryo?
B. दोTwo
Identify the concept: the word dicot itself gives the clue.
A dicot embryo has two cotyledons.
Exam note: Dicot means two cotyledons.
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What is the single cotyledon of a monocot embryo called?
A. स्क्यूटेलमScutellum
Identify the concept: a monocot embryo has one cotyledon.
In grasses, this single cotyledon is called scutellum.
Exam note: Scutellum is the single cotyledon of monocot embryo.
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Which part of the seed embryo forms the future root?
B. रैडिकलRadicle
Identify the concept: embryo has future shoot and root parts.
Radicle develops into the future root.
Memory tip: Radicle means root part.
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Which part of the seed embryo forms the future shoot?
B. प्लूम्यूलPlumule
Identify the concept: embryo gives rise to a new plant.
Plumule develops into the future shoot.
Memory tip: Plumule means shoot part.
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What is the advantage of seed dormancy?
B. बीज प्रतिकूल परिस्थितियों में जीवित रह सकते हैंSeeds can survive unfavorable conditions
Identify the concept: dormancy means the seed remains inactive for some time.
It helps the seed survive unfavorable conditions like drought or cold.
Exam note: Dormancy helps survival and correct germination time.
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Formation of seed without fertilization is called what?
B. अपोमिक्सिसApomixis
Identify the concept: sometimes seeds form without fertilization.
This process is called apomixis.
Exam note: Apomixis forms seeds without fertilization.
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The condition of having more than one embryo in a seed is called what?
A. बहुभ्रूणताPolyembryony
Identify the concept: some seeds may have more than one embryo.
This condition is called polyembryony.
Exam note: Poly means many and embryo means young plant structure.
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