✅ TBJEE Biology MCQ Set 1 (English + Bengali) | BastronautWay | GrandMaster Bikram Sutradhar

✅ TBJEE Biology MCQ Set (English + Bengali) | BastronautWay | GrandMaster Bikram Sutradhar
bAstronautWay TBJEE Biology MCQ Set TBJEE SirBikramSutradhar
📝
Practice the latest bilingual (English + Bengali) MCQ set for TBJEE Biology based on the official syllabus. Curated by BastronautWay under GrandMaster Bikram Sutradhar, this set includes 30 module-wise questions with detailed explanations. Boost your TBJEE score with expert guidance now!
❓ FAQ for TBJEE Biology – MCQ Set by BastronautWay
Q1. What is the total number of questions in this TBJEE Biology set?
🟢 This set contains 30 multiple-choice questions, equally distributed from all 10 modules of the TBJEE Biology syllabus.
Q2. Are explanations provided for each answer?
🟢 Yes, each answer comes with a detailed explanation in both English and Bengali to enhance concept clarity.
Q3. Who has prepared this question set?
🟢 This set is curated by BastronautWay and guided by GrandMaster Bikram Sutradhar, known for strategic TBJEE preparation resources.
Q4. Is the content aligned with the official TBJEE 2025 syllabus?
🟢 Absolutely. All questions follow the updated TBJEE 2025 Biology syllabus, ensuring complete coverage of key topics.
Q5. Can this question set be used for mock tests or daily practice?
🟢 Yes! It’s perfect for self-assessment, mock testing, or chapter-wise revision before TBJEE.
Q6. Are both English and Bengali languages used?
🟢 Yes. All questions, options, answers, and explanations are presented in a bilingual format (English + Bengali).
TBJEE QUESTION SET BY bAstronautWay I GrandMaster Bikram Sutradhar
Module 1: Diversity of Living Organisms
1. Correct Option: C) Plantae ✅
Explanation:
Plantae kingdom includes organisms that are multicellular, have eukaryotic cells with cell walls, and can prepare their own food through photosynthesis.
এই রাজ্যটি এমন জীব ধারণ করে যেগুলি বহুকোষীয়, ইউক্যারিওটিক এবং স্বপোষী—তারা সালোকসংশ্লেষের মাধ্যমে খাদ্য প্রস্তুত করে।
Module 2: Structural Organisation with in Animals and Plants
2. Correct Option: C) Muscular ✅
Explanation:
Muscular tissue helps in movement through contraction and relaxation of muscles.
মাসকুলার টিস্যু পেশীর সঙ্কোচন ও প্রশমনের মাধ্যমে চলাচলে সহায়তা করে।
3. Correct Option: B) Superior ovary ✅
Explanation:
A legume fruit develops from a superior ovary where ovary is situated above the other floral parts.
লেগিউম ফল গঠিত হয় একটি সুপিরিয়র ওভারি থেকে, যা ফুলের অন্যান্য অংশের উপরে থাকে।
Module 3: Cell Structure and Function
4. Correct Option: B) It releases ATP ✅
Explanation:
Mitochondria generate ATP through respiration, which provides energy—hence called the powerhouse.
মাইটোকন্ড্রিয়া কোষ শ্বসনের মাধ্যমে ATP তৈরি করে যা শক্তি দেয়, তাই একে পাওয়ার হাউস বলা হয়।
5. Correct Option: C) Anaphase ✅
Explanation:
During anaphase, sister chromatids separate and move to opposite poles, ensuring equal distribution.
অ্যানাফেজে, সিস্টার ক্রোমাটিড একে অপর থেকে পৃথক হয়ে বিপরীত মেরুর দিকে যায়, ফলে সমবণ্টন ঘটে।

Module 4: Plant Physiology
6. Correct Option: B) Osmosis ✅
Explanation:
Water enters root hairs by osmosis—movement from higher to lower water potential through a semipermeable membrane.
জল উচ্চ জলের সম্ভাবনা থেকে নিম্ন সম্ভাবনার দিকে অর্ধপारগম্য ঝিল্লির মাধ্যমে প্রবেশ করে—এটি হচ্ছে ওসমোসিস।
7. Correct Option: A) Magnesium ✅
Explanation:
Magnesium is a component of chlorophyll; its deficiency causes yellowing of leaves (chlorosis).
ম্যাগনেসিয়াম হল ক্লোরোফিলের অংশ, এর অভাবে পাতা হলদে হয়ে যায়—এটিই ক্লোরোসিস।
8. Correct Option: A) PGA ✅
Explanation:
In C3 cycle (Calvin cycle), the first stable product formed is PGA (3-phosphoglyceric acid).
C3 চক্রে (ক্যালভিন চক্র), প্রথম স্থিতিশীল উৎপাদ হল PGA।
Module 5: Human Physiology
9. Correct Option: C) Amylase ✅
Explanation:
Saliva contains amylase enzyme which breaks down starch into maltose.
লালা রসে অ্যামাইলেস এনজাইম থাকে যা স্টার্চকে মালটোজে ভাঙে।
10. Correct Option: C) Asthma ✅
Explanation:
Asthma is triggered by allergens and leads to difficulty in breathing due to airway inflammation.
এলার্জেনের কারণে অ্যাজমা হয়, যা শ্বাসনালীর প্রদাহ ঘটিয়ে শ্বাসকষ্ট সৃষ্টি করে।
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11. Correct Option: B) Birds ✅
Explanation:
Birds had a four-chambered heart that completely separates oxygenated & deoxygenated blood.
পাখিরা চার কক্ষবিশিষ্ট হৃদয়যুক্ত, যা সম্পূর্ণভাবে অক্সিজেনযুক্ত ও অক্সিজেনবিহীন রক্ত পৃথক রাখে।
12. Correct Option: C) Kidney ✅
Explanation:
Nephron is the structural and functional unit of the kidney, filtering blood and forming urine.
নেফ্রন হল কিডনির গঠনগত ও কার্যগত একক, যা রক্ত ছেঁকে মূত্র তৈরি করে।
13. Correct Option: B) Muscle contraction ✅
Explanation:
Sliding filament theory explains muscle contraction via actin and myosin filament interaction.
স্লাইডিং ফিলামেন্ট তত্ত্ব অনুসারে অ্যাকটিন ও মায়োসিন ফিলামেন্টের সাহায্যে পেশী সঙ্কোচন হয়।
14. Correct Option: B) ADH ✅
Explanation:
ADH (antidiuretic hormone) regulates water balance by increasing water reabsorption in kidneys.
ADH হরমোন কিডনিতে জল শোষণ বাড়িয়ে শরীরের জলীয় ভারসাম্য বজায় রাখে।
Module 6: Reproductio
15. Correct Option: D) Angiosperms ✅
Explanation:
Double fertilization occurs only in flowering plants (angiosperms)—one sperm fertilizes the egg, other forms endosperm.
ফুলজ উদ্ভিদে (অ্যাঞ্জিওস্পার্মে) দুটি নিষেক ঘটে—একটি স্পার্ম ডিম্বাণুকে নিষিক্ত করে, অপরটি এন্ডোস্পার্ম তৈরি করে।
16. Correct Option: B) Meiosis ✅
Explanation:
Sperm and egg cells are formed through meiosis, which halves the chromosome number.
স্পার্ম ও ডিম তৈরি হয় মাইওসিস দ্বারা, যা ক্রোমোজোমের সংখ্যা অর্ধেক করে।
17. Correct Option: B) Fertility treatment ✅
Explanation:
ZIFT (Zygote Intrafallopian Transfer) is an assisted reproductive technique used to treat infertility.
ZIFT হল একটি সহায়ক প্রজনন প্রযুক্তি যা বন্ধ্যত্বের চিকিৎসায় ব্যবহৃত হয়।
Module 7: Genetics and Evolution
18. Correct Option: C) Blood group (ABO) ✅
Explanation:
ABO blood group system involves multiple alleles—IA, IB, and i.
ABO রক্তের গ্রুপে একাধিক অ্যালিল যেমন—IA, IB ও i বিদ্যমান থাকে।
19. Correct Option: C) S phase ✅
Explanation:
DNA replication takes place in the S phase (Synthesis phase) of interphase before cell division.
কোষ বিভাজনের পূর্বে ইন্টারফেজের S ধাপে DNA-এর অনুলিপি ঘটে।
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20. Correct Option: C) Down’s syndrome ✅
Explanation:
Down’s syndrome is caused by the presence of an extra chromosome 21 (trisomy 21).
ডাউন’স সিন্ড্রোম অতিরিক্ত ২১তম ক্রোমোজোম থাকার কারণে হয় (ট্রাইসোমি ২১)।
21. Correct Option: B) Darwin ✅
Explanation:
Charles Darwin proposed the theory of natural selection explaining evolution through survival of the fittest.
চার্লস ডারউইন ‘ন্যাচারাল সিলেকশন’ তত্ত্ব দেন, যা অনুযায়ী উপযুক্তরাই টিকে থাকে।
Module 8: Biology & Human Welfare
22. Correct Option: B) Malaria ✅
Explanation:
Malaria is caused by Plasmodium parasite transmitted through female Anopheles mosquito.
ম্যালেরিয়া রোগ প্লাজমোডিয়াম পরজীবী দ্বারা হয়, যা স্ত্রী অ্যানোফিলিস মশার মাধ্যমে ছড়ায়।
23. Correct Option: C) Lac insect ✅
Explanation:
Lac insect (Kerria lacca) secretes resin used for making shellac and varnishes.
ল্যাক পোকার নির্গত রেজিন শেল্যাক ও বার্নিশ তৈরিতে ব্যবহৃত হয়।
24. Correct Option: B) Algae and yeast ✅
Explanation:
Single cell protein is produced using fast-growing microorganisms like algae and yeast as protein source.
সিঙ্গল সেল প্রোটিন তৈরি হয় শৈবাল ও ইস্ট জাতীয় দ্রুত বৃদ্ধিপ্রাপ্ত এককোষী জীব থেকে।
Module 9: Biotechnology
25. Correct Option: C) Insects ✅
Explanation:
Bt cotton has a gene from Bacillus thuringiensis that kills harmful insects—protecting the crop.
Bt তুলাতে Bacillus thuringiensis ব্যাকটেরিয়ার একটি জিন থাকে যা ক্ষতিকারক পোকা মারতে সাহায্য করে।
26. Correct Option: B) Genetic engineering ✅
Explanation:
Genetic engineering is the method of inserting foreign DNA into a host to change its traits.
জেনেটিক ইঞ্জিনিয়ারিং হল বিদেশি DNA হোস্ট জীবের মধ্যে ঢুকিয়ে তার বৈশিষ্ট্য পরিবর্তনের পদ্ধতি।
Module 10: Ecology and Environment
27. Correct Option: B) Upright ✅
Explanation:
Energy pyramid is always upright as energy decreases at each trophic level due to loss as heat.
শক্তির পিরামিড সর্বদা ঊর্ধ্বমুখী হয় কারণ প্রতিটি খাদ্যস্তরে শক্তির কিছু অংশ তাপ হিসেবে নষ্ট হয়।
28. Correct Option: B) CO₂ ✅
Explanation:
Carbon dioxide traps heat in the atmosphere—leading to global warming.
কার্বন ডাই-অক্সাইড বায়ুমণ্ডলে তাপ ধরে রাখে, ফলে গ্লোবাল ওয়ার্মিং হয়।
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29. Correct Option: A) Western Ghats ✅
Explanation:
Western Ghats is a biodiversity hotspot rich in endemic plant and animal species.
পশ্চিমঘাট একটি বায়োডাইভারসিটির হটস্পট যেখানে বহু স্থানীয় উদ্ভিদ ও প্রাণী প্রজাতি রয়েছে।
30. Correct Option: A) Bacteria ✅
Explanation:
Bacteria break down organic waste in sewage treatment plants—cleaning the wastewater.
পয়ঃনিষ্কাশন ব্যবস্থায় ব্যাকটেরিয়া জৈব বর্জ্য ভেঙে ফেলে, ফলে জল পরিশোধিত হয়।
Written By
Full Stack Developer and 5-Time World Record Holder, Grandmaster Bikram Sutradhar
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ICSE CLASS 10 ICSE CLASS 10 BIOLOGY BASTRONAUTWAY SirBikramSutradhar Bikram Sutradhar GrandMaster Bikram Sutradhar selina biology solutions ICSE Biology Selina Solution
class 10 Maths ncert solution.
NCERT Solutions
CBSE Class 10 Mathematics (2025) NCERT Syllabus:
CBSE Class 10 Mathematics NCERT Syllabus (2025) – Chapter-Wise List
CBSE Class 10 Mathematics NCERT Syllabus (2025) – Chapter-Wise List
chapter 4. Quadratic Equations
chapter 5. Arithmetic Progressions
chapter 6. Triangles
chapter 7. Coordinate Geometry
chapter 8. Introduction to Trigonometry
chapter 9. Some Applications of Trigonometry
chapter 11. Areas Related to Circles
chapter 12. Surface Areas and Volumes
class 10 science ncert solution
CBSE Class 10 Science (2025) NCERT Syllabus:
CBSE Class 10 Science NCERT Syllabus (2025) – Chapter-Wise List
CBSE Class 10 Science NCERT Syllabus (2025) – Chapter-Wise List
Chapter 1 Chemical Reactions and Equations
Chapter 2 Acids, Bases and Salts
Chapter 3 Metals and Non-metals
Chapter 4 Carbon and its Compounds
Chapter 5 Life Processes
Chapter 6 Control and Coordination
Chapter 7 How do Organisms Reproduce?
Chapter 8 Heredity
Chapter 9 Light – Reflection and Refraction
Chapter 10 The Human Eye and the Colourful World
Chapter 11 Electricity
Chapter 12 Magnetic Effects of Electric Current
Chapter 13 Our Environment
📖 Chapter 12 – Organic Chemistry (Selina Textbook)
Table of Contents:
- 12A. Organic Compounds
- 12B. Hydrocarbons: Alkanes
- 12C. Hydrocarbons: Alkenes
- 12D. Hydrocarbons: Alkynes
- 12E. Alcohols
- 12F. Carboxylic Acids
- Exercise 12 MISCELLANEOUS
- Glossary
- Model Question Paper –
📌 Exercise 12 MISCELLANEOUS – Focus Areas:
🧬 Consolidated practice from the entire Organic Chemistry chapter
🧪 Application-based questions covering alkanes, alkenes, alkynes, alcohols, and carboxylic acids
🧾 Writing structural formulas and chemical equations
💡 Distinguishing reactions, isomer identification, and conversions
📘 Full-syllabus revision to boost conceptual clarity and board exam readiness
Each question in this section is designed to:
✅ Strengthen cross-topic understanding
📝 Prepare students for application-based and reasoning-based questions
🧠 Improve problem-solving speed and exam performance