Chapter 5: Cells & Tissues - Biology For High School - Grade 9(Biology ) Questions and Answers

Question 1. The organelles of eukaryotic cells that are bounded by cell membrane are
  1.    mitochondria
  2.    endoplasmic reticulum
  3.    chloroplasts
  4.    all of above
Explanation:-
Answer: Option D. -> all of above
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 2. The kind of electron microscope which is used to study the internal structure of cells is
  1.    scanning electron microscope
  2.    transmission electron microscope
  3.    light microscope
  4.    compound microscope
Explanation:-
Answer: Option B. -> transmission electron microscope
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 3. The xylem tissues are responsible for
  1.    osmotic pressure
  2.    secretion of water
  3.    absorption of water
  4.    transportation of water
Explanation:-
Answer: Option D. -> transportation of water
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 4. The ribosomes are composed of
  1.    mRNA
  2.    mDNA
  3.    rRNA
  4.    rDNA
Explanation:-
Answer: Option C. -> rRNA
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 5. The flattened sacs that are present in the cell were discovered by
  1.    Ernst Haeckel
  2.    David Baltimore
  3.    Camillo Golgi
  4.    Rachel Carson
Explanation:-
Answer: Option C. -> Camillo Golgi
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 6. The color of chlorophyll is
  1.    green
  2.    yellow
  3.    brown
  4.    red
Explanation:-
Answer: Option A. -> green
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 7. The electrons of the Scanning Electron Microscope are reflected through
  1.    glass funnel
  2.    specimen
  3.    metal-coated surfaces
  4.    vacuum chamber
Explanation:-
Answer: Option C. -> metal-coated surfaces
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 8. The thylakoid stack present in plastids is known as
  1.    glycogen
  2.    granum
  3.    nucleolus
  4.    ribosomes
Explanation:-
Answer: Option B. -> granum
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 9. The working principle in a light microscope is using
  1.    UV light
  2.    visible light
  3.    spectrum light
  4.    white light
Explanation:-
Answer: Option B. -> visible light
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 10. The relative concentration of the solute in a particular solution is classified as
  1.    hypotonic
  2.    turgidity
  3.    tonicity
  4.    hypertonic
Explanation:-
Answer: Option C. -> tonicity
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
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