MCQ
Flexibility in plants is due to:
- ACollenchyma.
- BSclerenchyma.
- CParenchyma.
- DChlorenchyma.
Explanation:
Collenchyma is a mechanical tissue in young dicotyledonous stems and provides mechanical support and elasticity. It provides great tensile strength with flexibility to those organs in which it is found. It allows easy bending in various parts of a plant mainly young growing stem without breaking them.
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| | Column I | | Column II |
| A. | Solution | I. | Chalk in water |
| B. | Colloid | II. | Tincture of iodine |
| C. | Suspension | III. | Starch in water |
| D. | Homogeneous | IV. | A mixture of chalk and sand |
| E. | Heterogeneous | V. | Air |
| Students | Colour of reaction mixture after mixing | Mass of reation mixture in the beaker including mass of beaker |
| A | White Precipitate | 383.3g |
| B | Brown Precipitate | 393.3g |
| C | White Precipitate | 373.3g |
| D | Brown Precipitate | 363.3g |
Which of the following statement is correct regarding velocity and speed of a moving body?