Papers Biology-11 Chapter No. 4 Total Marks: 50

List of important questions (Biology) for second year college students. These are the questions that appeared in the past papers of Board of Intermediate and Secondary Education in Pakistan. Please like and share with friends so that most of the student get benefit from it.

Papers Biology-11  Chapter No. 4 Total Marks: 50

Biology-11  Chapter No. 4 Total Marks: 50

Q.1 MULTIPLE CHOICE QUESTIONS. (10)

  1. Omnis cellular-e-cellular is hypothesized by . . . . . . . .
    1. Schleiden
    2. R.Virchow
    3. Pasteur
    4. Oken
  2. The resolution human naked eye is:
    1. 1mm
    2. 1μm
    3. 1nm
    4. 1cm
  3. Plastids are present in:
    1. Bacteria
    2. Animal cell
    3. Virus
    4. Plant cell
  4. The number of chromosomes in fruit fly:
    1. 8
    2. 18
    3. 28
    4. 16
  5. The living substance of living beings is called:
    1. Cytoplasm
    2. Cell
    3. DNA
    4. Protoplasm
  6. Organelle …… is concerned with cell secretions:
    1. Ribosomes
    2. Mitochondria
    3. Centriole
    4. Golgi Complex
  7. Which of the following is more slender in structure?
    1. Micrbules
    2. Intermediate filaments
    3. Microfilament
    4. Both A & B
  8. De-Duve discover the cell organelle
    1. Mitochondria
    2. Lysosomes
    3. Ribosomes
    4. Chloroplast
  9. Cell membrane has 60-80%:
    1. Lipids
    2. Proteins
    3. Carbohydrates
    4. Vitamins
  10. In prokaryotic cell wall strengthening material is:
    1. Chitin
    2. Lignin
    3. Cutin
    4. Murein

SECTION 2: Attempt any TEN (10) short questions. (2×10═20)

  1. Write any two important functions of centriole.
  2. Who discover cell theory and enlist its salient features?
  3. What is cell fractionation?
  4. What is chemical composition of primary and secondary cell wall?
  5. Differentiate between peroxisome and glyoxisome.
  6. Define polysomic. How attachment of ribosomal units is control?
  7. Compare microtubules with microfilaments.
  8. Differentiate between chromoplast and leucoplast?
  9. What are chromosomes? Why they are important?
  10. Differentiate between magnification power and resolution power.

SECTION 3 - Long Questions:
Q.1 (a) Describe structure and functions of Mitochondria. (4)
Q.1 (b) Write a note on Golgi Apparatus. (4)

Q. 2 (a) Describe structure and functions of Chloroplast. (4)
Q. 2(b) What are Centrioles? Explain briefly. (4)

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