Biology
Surya transferred a fish commonly found in sea water into a pond. After some time, he noticed that the fish died. The possible reason(s) for this could be :
- Turgidity and Flaccidity
- Plasmolysis
- Plasmolysis and Flaccidity
- Turgidity
Related Questions
Mary soaked some raisins in beakers containing sugar solution, distilled water, salt solution and sea water respectively. After a couple of days, she observed that raisins have changed their shapes. In which of the following solutions will the raisins become turgid ?
- Sugar solution
- Distilled water
- Salt solution
- Sea water
Figures A and B show plant cells after being kept for some time in two different solutions. Solutions A and B are:

- A-Hypotonic and B-Hypertonic
- A-Hypertonic and B-Hypotonic
- A-Isotonic and B-Hypertonic
- A-Hypotonic and B-Isotonic
Assertion (A): Roots absorb water and mineral nutrients from the soil.
Reason (R): Soil is the storehouse of all the essential minerals for photosynthesis that are absorbed by the plant through the roots of the plant by the process of diffusion.
- Both A and R are True
- Both A and R are False
- A is True and R is False.
- A is False and R is True.
Assertion (A): Diffusion is the process of free movement of liquid molecules only. It does not occur in gaseous state.
Reason (R): The main condition which regulates the process of diffusion is the concentration gradient and not the state of matter. It always occurs from higher to lower concentration.
- Both A and R are True
- Both A and R are False
- A is True and R is False.
- A is False and R is True.