In which of the following condition/s, the molar concentration dissolved solutes is less in external than inside the cell?
a) hypotonic
b) isotonic
c) hypertonic
d) all of these
Explanation: water will tend to move inside the cell
In which of the following condition/s, the molar concentration dissolved solutes is more in external than inside the cell?
a) hypotonic
b) isotonic
c) hypertonic
d) all of these
Explanation: water will tend to move outside the cells
Which of the following structure/ organelles often benefit the cells from the turgor pressure that develop in hypotonic environment?
a) plasma membrane
b) cell wall
c) mitochondria
d) vacuole
Explanation: prevents cell from lysis
According to the amount of water available, plants are classified into …… main groups.
a) two
b) three
c) four
d) five
Explanation: 1. Hydrophytes. 2. Mesophytes, 3. Xerophytes, and 4. Halophytes
Which of the following plants grow in the water or in wet and damp places such as ponds, streams etc.?
a) Halophytes
b) Xerophytes
c) Mesophytes
d) Hydrophytes
Which of the following is/are the characteristic/s of hydrophytes plants?
a) absorb water through whole body
b) large number of stomata in leaves
c) root hair being absent
d) all of these
Explanation: hydro means water and phyton means plant
