HSC Exam 2026 — Biology 1st Paper (MCQ Solution)
All Board (English Version) | Subject Code: 178
ভূমিকা: এইচএসসি ২০২৬ সালের English Version-এর পরীক্ষার্থী বন্ধুদের শুভেচ্ছা। তোমাদের 'Biology 1st Paper' (জীববিজ্ঞান ১ম পত্র) পরীক্ষার বহুনির্বাচনি (MCQ) অংশের ১০০% নির্ভুল সমাধান নিয়ে আমরা হাজির হয়েছি। পরীক্ষা শেষ হওয়ার পর অনেকেই নিজেদের উত্তরের সঠিকতা যাচাই করতে চাও। তোমাদের সুবিধার্থে সকল বোর্ডের প্রশ্নাবলি সংগ্রহ করে অভিজ্ঞ শিক্ষকদের সহায়তায় এই সমাধানটি তৈরি করা হয়েছে। নিচে থেকে তোমাদের প্রশ্নের সাথে উত্তরগুলো মিলিয়ে নাও এবং চাইলে পেজের শেষাংশ থেকে সম্পূর্ণ সমাধানের পিডিএফ ফাইলটিও ডাউনলোড করে নিতে পারো।
1. What type of placenta is found in Malvaceae family?[cite: 2]
(a) Marginal
(b) Superficial
(c) Axile
(d) Basal
✓ Answer: (c) Axile[cite: 2]
2. Lichen-[cite: 2]
i. is symbionts of Algae and Fungus[cite: 2]
ii. may grow in unfertile place[cite: 2]
iii. play role to make soil[cite: 2]
Which one is correct?[cite: 2]
(a) i and ii
(b) i and iii
(c) ii and iii
(d) i, ii and iii
✓ Answer: (d) i, ii and iii[cite: 2]
3. Which one is called moleculer scissor?[cite: 2]
(a) DNA polymerases
(b) Lygase
(c) Endonuclease
(d) Helicase
✓ Answer: (c) Endonuclease[cite: 2]
4. What shape is formed by metacentric chromosome at anaphase of mitosis division?[cite: 2]
(a) V
(b) J
(c) L
(d) I
✓ Answer: (a) V[cite: 2]
5. In which colour of light photosynthetic rate is high?[cite: 2]
(a) Violet
(b) Blue
(c) Red
(d) Orange
✓ Answer: (c) Red[cite: 2]
Answer the question no. 6 and 7 with the help of the following stem:
(Fig-1 showing a Megasporophyll of Cycas with part 'A' indicating the ovule)[cite: 1, 2]
6. The stem figure representing plant is applicable for-[cite: 2]
i. plant gametophyte[cite: 2]
ii. compound leaf[cite: 2]
iii. coralloid root[cite: 2]
Which one is correct?[cite: 2]
(a) i and ii
(b) i and iii
(c) ii and iii
(d) i, ii and iii
✓ Answer: (c) ii and iii[cite: 2]
7. What is 'A' indicating part of the stem?[cite: 2]
(a) Flower
(b) Fruit
(c) Ovule
(d) Ovary
✓ Answer: (c) Ovule[cite: 2]
8. Which one is reducing sugar?[cite: 2]
(a) Glucose
(b) Sucrose
(c) Starch
(d) Cellulose
✓ Answer: (a) Glucose[cite: 2]
9. In which plants, hiden stomata is found?[cite: 2]
(a) Water lily
(b) Water hyacinth
(c) Pata jhajhi
(d) Korobi
✓ Answer: (d) Korobi[cite: 2]
10. Which one is emerging virus?[cite: 2]
(a) T2
(b) HIV
(c) TMV
(d) Hepatitis
✓ Answer: (b) HIV[cite: 2]
11. A 80s valued ribosome has one 40s subunit. What is the 's' value of another subunit?[cite: 2]
(a) 30 s
(b) 40 s
(c) 50 s
(d) 60 s
✓ Answer: (d) 60 s[cite: 2]
Answer the question no. 12 and 13 with the help of stem:
(Stem showing chromosome crossing over with part 'C')[cite: 2]
12. What is occured through 'C' part of the stem?[cite: 2]
i. Genetic diversity[cite: 2]
ii. Crossingover[cite: 2]
iii. Exchange part of sister cromatid[cite: 2]
Which one is correct?[cite: 2]
(a) i and ii
(b) i and iii
(c) ii and iii
(d) i, ii and iii
✓ Answer: (a) i and ii[cite: 2]
13. In which sub-stage, the process is occured shown in the stem?[cite: 2]
(a) Leptotene
(b) Zygotene
(c) Pachytene
(d) Diplotene
✓ Answer: (c) Pachytene[cite: 2]
14. What kind of substance is cholesterol?[cite: 2]
(a) Carbohydrate
(b) Protein
(c) Lipid
(d) Vitamin
✓ Answer: (c) Lipid[cite: 2]
15. In which stage, meiosis is occured in malaria parasite?[cite: 2]
(a) Oocysts
(b) Ookinate
(c) Zygote
(d) Cryptozoite
✓ Answer: (a) Oocysts[cite: 2]
16. What is the parasite of Ring worm disease?[cite: 2]
(a) Mycobacterium
(b) Plasmodium
(c) Trichophyton
(d) Penicillium
✓ Answer: (c) Trichophyton[cite: 2]
17. How many stamens are present in the flower of rice?[cite: 2]
(a) 3
(b) 6
(c) 9
(d) 12
✓ Answer: (b) 6[cite: 2]
18. Which is the CO2 receiver in Calvin cycle?[cite: 2]
(a) 3 PGA
(b) RuBp
(c) OAA
(d) PEP
✓ Answer: (b) RuBp[cite: 2]
19. In ecosystem, fungus is-[cite: 2]
(a) producer
(b) decomposer
(c) primary consumer
(d) top consumer
✓ Answer: (b) decomposer[cite: 2]
20. In which zoogeographical regions, Bangladesh is located?[cite: 2]
(a) Oriental
(b) Nearctic
(c) Palaearctic
(d) Neotropical
✓ Answer: (a) Oriental[cite: 2]
Answer the question no. 21 and 22 with the help of the stem:
(Fig: G showing a plasmid with a targeted gene penetration)[cite: 2]
21. What is the process of penetration of 'G' in Bacteria?[cite: 2]
(a) Transformation
(b) Translation
(c) Transcription
(d) Translocation
✓ Answer: (a) Transformation[cite: 2]
22. The stem technology is used-[cite: 2]
i. to produce disease resistant variety[cite: 2]
ii. to produce transgenic organism[cite: 2]
iii. to produce Insulin[cite: 2]
Which one is correct?[cite: 2]
(a) i and ii
(b) i and iii
(c) ii and iii
(d) i, ii and iii
✓ Answer: (d) i, ii and iii[cite: 2]
23. Endosperm of angiosperm is-[cite: 2]
(a) haploid
(b) diploid
(c) triploid
(d) polyploid
✓ Answer: (c) triploid[cite: 2]
24. Which one is macromolicule?[cite: 2]
(a) Cl
(b) Cu
(c) Mg
(d) Mn
✓ Answer: (c) Mg[cite: 2]
25. What is the name of epidermis forming meristem of plant?[cite: 2]
(a) Protoderm
(b) Procambium
(c) Ground meristem
(d) Promeristem
✓ Answer: (a) Protoderm[cite: 2]
📥 Download the Solution PDF
এইচএসসি ২০২৬ সালের Biology 1st Paper (English Version) পরীক্ষার সম্পূর্ণ প্রশ্ন ও সমাধানের পিডিএফ (PDF) ফাইল ডাউনলোড করতে নিচের ছক থেকে নির্দিষ্ট লিংকে ক্লিক করুন।
| File Name (ফাইলের নাম) | Download Link (ডাউনলোড লিংক) |
|---|---|
| 1. HSC 2026 Biology 1st Paper EV (MCQ Question PDF) | Download Question |