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HSC Exam 2026: Key MCQs for Biology 1st Paper Chapter 1

Explore essential multiple-choice questions from Chapter 1 of the HSC Biology 1st Paper for 2026.

By Staff Correspondent
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এইচএসসি পরীক্ষা ২০২৬। জীববিজ্ঞান ১ম পত্র (অধ্যায় ১) : বহুনির্বাচনি প্রশ্ন—আদর্শ অ্যামিনো অ্যাসিডের সংখ্যা ২০

The HSC Biology 1st Paper for 2026 will include multiple-choice questions from Chapter 1, focusing on fundamental concepts in biology. Key topics include the number of standard amino acids, the nature of syncytium, the primary complex phospholipid in cell membranes, and the smallest structural unit of the cell wall. Understanding these concepts is crucial for students preparing for the exam.

Key Concepts

1. The number of standard amino acids is 20. 2. Syncytium is a type of cytoplasm. 3. Lecithin is the primary complex phospholipid in cell membranes. 4. Micelle is the smallest structural unit of the cell wall. 5. The main function of ribosomes is protein synthesis. 6. Cytoplasm maintains the acidity and alkalinity of the cell. 7. Genes are responsible for expressing the characteristic traits of species. 8. Chromoplasts are the plastids other than green. 9. Lysosomes are called the'suicide squad' of the cell due to the autophagic process. 10. An adult human body typically contains 10 grams of DNA.

FAQ

How many standard amino acids are there?
There are 20 standard amino acids.
What is syncytium?
Syncytium is a type of cytoplasm.
What is the primary complex phospholipid in cell membranes?
Lecithin is the primary complex phospholipid in cell membranes.

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