Biology : Structure of Cell Gk Quiz

General science : Biology (Structure of Cell)

Questions and Answers on cell. Its structure and function related 10 MCQs with Solution for all competitive job.  

plant 2Bcell 2Bstructure 1
Image-Source/Google-Wikipedia
  • Cell is the functional and Structural Unit of Body.

 

 
1. Aplant cell shrinks when placed in?




.

Answer-A hypertonic solution

Imp-i)Hypertonic solution-a solution having concentration less than cells sap.
ii) Hypertonic-Higher concentration than cells sap.
iii) 0.9% Nacl Solution is isotonic to the cell sap. This is used as saline water.

2. Which one of the following becomes zero in afully turgid cell?





Answer-Osmotic pressure.

3. According to cellular structure which one of the following is most complex?




Answer-Fungi
Imp-i) Bacteria and Protozoa are unicellular, they are single cell.
ii) Cells of Fungi share the characteristics of both plants and animals.

4. In plants receptor for detecting photoperiod is




.
Answer-Sensory organelles

Imp-i)Example of sensory organelle is chloroplast.
ii) Hypertonic-Higher concentration than cells sap.
iii) 0.9% Nacl Solution is isotonic to the cell sap. This is used as saline water.

5. The smallest size of a cell which can be seen with Unaided eye is?




.
Ans-100 Microns

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