science

Kutubdia Upazila

Kutubdia Upazila is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Kutubdia Upazila rather than just read about it. In short: Kutubdia (Bengali: কুতুবদিয়া) is an upazila of Cox's Bazar District in the Division of Chittagong, Bangladesh. The upazila consists of an island in the Bay of Bengal, off the coast near Chakaria, Cox's Bazar.

Key takeaways

Kutubdia Upazila belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Kutubdia Upazila to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Kutubdia Upazila from memory before moving on to harder problems.

Reference excerpt

Kutubdia (Bengali: কুতুবদিয়া) is an upazila of Cox's Bazar District in the Division of Chittagong, Bangladesh. The upazila consists of an island in the Bay of Bengal, off the coast near Chakaria, Cox's Bazar. It was found in approximately 14th century.

History A police station was established in Baraghup, Kutubdia, in 1917. The island was later upgraded to an upazila in 1983. Kutubdia has an area of 36 square miles (93 km2), 18 miles (29 km) in length and 2 miles (3.2 km) in breadth. It is famous for the only lighthouse in Bangladesh which was built by the British during the British rule. Kutubdia is rich in producing salt and dried fish, locally known as 'Shutki'. In this island Abdul Malek Shah was born.

Geography Kutubdia is located at 21.8167°S 91.8583°E / -21.8167; 91.8583. It has 58,463 households and a total area of 215.79 square kilometres (83.3 mi2). Climate change and sea level rise threaten to submerge the island in the Bay of Bengal.

Demographics

According to the 2022 Bangladeshi census, Kutubdia Upazila had 28,364 households and a population of 143,622. 12.82% of the population were under 5 years of age. Kutubdia had a literacy rate (age 7 and over) of 70.37%: 71.30% for males and 69.38% for females, and a sex ratio of 107.87 males for every 100 females. 50,471 (35.14%) lived in urban areas. As of the 2011 Census of Bangladesh, Kutubdia upazila had 22,587 households and a population of 125,279. 37,001 (29.53%) were under 10 years of age. Kutubdia had an average literacy rate of 34.04%, compared to the national average of 51.8%, and a sex ratio of 955 females per 1000 males. 25,488 (20.34%) of the population lived in urban areas.

Administration Kutubdia Upazila is divided into six union parishads: Ali Akbardeil, Baraghop, Dakshin Dhurung, Kaiyarbil, Lemsikhali, and Uttar Dhurung. The union parishads are subdivided into 8 mauzas and 55 villages.

See also Upazilas of Bangladesh Districts of Bangladesh Divisions of Bangladesh List of islands of Bangladesh List of lighthouses in Bangladesh

References

Illustrations

Worked examples

Example 1 — a first encounter with Kutubdia Upazila

Start with the simplest possible case. Write down what Kutubdia Upazila claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Kutubdia Upazila before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Kutubdia Upazila ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Kutubdia Upazila

In research: Kutubdia Upazila appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Kutubdia Upazila in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Kutubdia Upazila is common in secondary-school and first-year university syllabi. It links to neighbouring topics Chittagong Division geography stubs, Island stubs, Islands of Bangladesh, so understanding it makes those chapters shorter.
In everyday life: Look for Kutubdia Upazila outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Kutubdia Upazila in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Kutubdia Upazila means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Kutubdia Upazila out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Kutubdia Upazila in simple terms?

Why does Kutubdia Upazila matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Kutubdia Upazila?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Kutubdia Upazila.