NCERT Solutions: Class 11 Jeev Vigyan Chapter 5

Morphology of Flowering Plants (Phool Dene Waale Paudhon Ki Akriti Vigyan)

Yeh chapter Class 11 Biology ke syllabus mein ek solid base daalta hai, koi shak nahi. Isme hum flowering plants, yaani angiosperms, ki bahari saancha aur unke har hisse ka gehrai se mutaalea karte hain — jar se patti tak, sab kuch. Aur jo cheez yahan samajh aati hai, woh aage chalke plant physiology aur classification ke concepts ko itna aasaan bana deti hai ki baad mein sab kuch ek puzzle ki tarah fit ho jaata hai.

• Look, the real action in flowering plants—those phool dene waale paudhe—starts with structure. You’ve got the root system digging around underground, holding things steady and pulling up water and nutrients. Then comes the shoot system, which is basically everything up top: the stem, the branches, and all the leaves stretching toward the sun. The leaf itself? It’s the plant’s kitchen, where photosynthesis happens. Flowers aren’t just pretty—they’re the reproductive machinery. And once pollination and fertilisation do their thing, you get fruit. Is nature’s way of wrapping up the seeds and shipping them off to grow somewhere new. So when we talk about morphology, we’re really just mapping out those six parts: root, shoot, leaf, flower, fruit, seed. That’s the whole skeleton of the story, minus the botanical jargon.
• Roots, stems, leaves—sure, they look simple enough, but don’t let that fool you. Each one’s got a whole bag of tricks, twisting into shapes you’d never guess. Take roots: some go underground to anchor and soak up water, but others turn into swollen storage tanks, like a carrot, or even climb up walls. Stems aren’t just the straight sticks holding flowers up—they can creep along the ground, burrow underground as rhizomes, or thicken into tubers that pack a punch of food. And leaves? They’re not always the flat green things you picture. Some morph into tendrils to grab support, others become spines for defense, and a few turn into fleshy traps to catch insects. The point is, these parts don’t stick to one job. They modify, adapt, and basically rewrite the rules of plant anatomy to survive. That’s the real morphology story here—not just naming parts, but seeing how they bend and shift in every direction nature throws at them.
• Honestly, the whole point here is pretty simple. You look at a plant, you notice its shape, its structure, how it’s put together, and boom — you’ve got your ID. It’s all about reading those physical clues. No lab work, no fancy tools, just your eyes and a bit of know-how. That’s the real trick to telling one species from another, and honestly, it’s the most natural way to do it.

Links for Chapter-wise Download NCERT Solution for Class 11 जीव विज्ञान in hindi Language

Here we have provided NCERT Solution for Class 11 जीव विज्ञान in hindi Language, Just select the chapters below to get solution of the same:

जीव जगत का वर्गीकरण

वनस्पति जगत

प्राणि जगत

पुष्पी पादपों की आकारिकी

पुष्पी पादपों का शारीर

प्राणियों में संरचनात्मक संगठन

कोशिका जीवन की इकाई

जैव अणु

कोशिका चक्र और कोशिका विभाजन

पौधों में परिवहन

खनिज पोषण

उच्च पादपों में प्रकाशसंश्लेषण

पादप में स्वशन

पादप वृद्धि एवं परिवर्धन

पाचन एवं अवशोषण

श्वसन और गैसों का विनिमय

शरीर द्रव तथा परिसंचरण

उत्सर्जी उत्पाद एवं उनका निष्कासन

गमन एवं संचलन

तंत्रिकीय नियंत्रण एवं समन्वय

रासायनिक समन्वय तथा एकीकरण

Class 11 Biology Chapter 5: Detailed NCERT Solutions

Yeh solutions aapke kaam aayenge—chahe aap concepts pakadna chahein, definitions yaad karna chahein, ya exam mein aane wale sawaalon ka andaaza lagaana chahein. Sab kuch Hinglish mein rakha gaya hai, bilkul simple bhaasha mein, taaki padhna aasaan lage aur samajh bhi poori ho.

The Root System (Jad Pranali)

Root plant ka woh hissa hai jo mitti ke andar badhta hai, zameen ke neeche chhupa hota hai. Iska sabse bada kaam hai plant ko mazbooti se jama dena — anchor karna — aur saath hi paani aur minerals ko absorb karna. Roots ki do mukhya types hoti hain:

• Straight from the seed, this one goes deep. That’s the tap root, plain and simple—it’s the main root that develops directly from the seed itself. Mustard and gram are classic examples. They don’t mess around with branching near the surface; they just dig straight down.
• Fibrous root systems skip the whole main-root idea entirely. Instead, you get this messy, tangled bundle of thin, thread-like roots that all just sort of hang out together. Think wheat, think rice—they work like that, plain and simple. No taproot calling the shots, no single deep anchor. Just a whole network of fine roots doing their thing close to the surface, grabbing water and nutrients however they can. It’s not fancy, but it gets the job done.
• Adventitious roots don’t come from the main taproot at all. Nope—they sprout right out of other plant parts, like the stem or even the leaves. Weird, right? But that’s exactly how it works. Take grass, for instance. It just sends these roots shooting out from its stem, no deep anchor needed. Or look at the banyan tree—those famous hanging roots? Those are adventitious too. They drop down from the branches, and over time they firm up into what look like whole new trunks. So when you see them, you’re not looking at something exotic. You’re just seeing roots doing their thing somewhere unexpected.

Roots don’t just sit there in the dirt—they get creative. Some, like carrots and radishes, bulk up into storage tanks, hoarding food and water for the plant. Others switch jobs entirely. The banyan tree, for instance, sends out those thick prop roots that act like extra pillars, holding up its massive spread. Then you’ve got mangroves doing something wild: their pneumatophores poke up out of the mud like snorkels. The roots can breathe even when the tide rolls in. Point is, roots modify themselves to fit whatever life throws at them. Each variation serves its own purpose.

The Shoot System (Tana Pranali)

The shoot system covers the stem, leaves, flowers, and fruits. The stem itself is built from nodes and internodes—those little joints and the spaces between them. A leaf grows right out of a node. And here’s the thing, the stem can even get modified.

• Underground modifications are where the magic—or rather, the storage—happens. Plants stash their food reserves down below, out of sight. Take ginger, for instance. That knobbly thing you buy at the market? That's a rhizome, a creeping stem that bulges with nutrients. Potatoes are tubers, swollen underground stems that act like a pantry for the plant. Then there's the onion, a bulb, with its layered, papery leaves holding all that energy. And don't forget colocasia—that's a corm, a solid, fleshy base that does the same job. So when you're chopping these up in the kitchen, you're really just cracking open a plant's savings account.
• Tendrils grab hold and help the plant climb, like you see on a grapevine. Thorns, on the other hand, are all about defense—citrus trees use them to ward off hungry animals. Up in the air, that’s where the shoot system really shows its versatility.

The Leaf (Patte)

The leaf’s real job? Photosynthesis, hands down. Plus transpiration—that’s how it breathes and moves water around. Now, the parts aren’t complicated: you’ve got the leaf base, the petiole, and the lamina. That’s it. But here’s where it gets interesting—look at the veins. Dicots show off reticulate venation, all web-like and branching. Monocots? They keep it simple with parallel lines. And don’t think leaves just stay as leaves. Nope. They get creative. Take the cactus—its leaves have turned into sharp spines, purely for defence. Then there’s the pea, where leaves morph into tendrils, grabbing onto anything nearby to climb. Pretty clever, right?

The Inflorescence (Phoolon Ka Samuh)

Flowers ka arrangement inflorescence kehlata hai. Do main types hote hain — Racemose aur Cymose. Racemose mein growth indefinite hoti hai, yani phool base se apex ki taraf khilte hain. Cymose mein growth definite hoti hai, aur phool apex se base ki taraf aate hain. Bas itna hi farak hai.

The Flower (Phool)

Flower plant ka reproductive part hai, bilkul wahi hai. Iske chaar main whorls hote hain—Calyx yani sepals, Corolla jo petals hain, Androecium jo male part hai (stamens), aur Gynoecium, female part jo carpels kehte hain. Ab in sab ka matlab sirf naam nahi, balki aapko position, aestivation, aur placentation jaise terms ki samajh honi chahiye, warna baad mein problem hogi.

The Fruit and The Seed (Phal aur Beej)

Fertilization ke baad jo hota hai woh hai — ovary dheere-dheere badal kar fruit ban jaati hai. Aur seed — woh mature ovule se banta hai. Dono ka apna alag structure hai, aur types bhi. Isko examples ke saath padhna zaroori hai, warna yaad rehna mushkil hai.

Chapter ke Important Diagrams

For this chapter, diagrams are everything. Seriously, you can't skip them. Make sure you practice all the key ones—root modifications, stem modifications, the different leaf types, flower parts, inflorescence types, and seed structure. Just keep drawing them until they stick.

NCERT Textbook Exercises ke Solutions

Textbook ke end mein jo questions hain, unhein zaroor practice karein. Wahan theoretical sawal milenge, diagrams ke basis par pooche gaye sawal, aur terms ke beech differentiation karne wale questions — in sabka mix hota hai. Answers mostly plant morphology ke basic rules aur definitions par hi depend karte hain, isliye base clear rakhna zaroori hai.