Question 3 :
Which of the following is a reason for large surface area of roots?
Question 7 :
Identify the correct order.<br>$1$. Mineral absorption zone.<br>$2$. Meristematic zone.<br>$3$. Maturation zone.<br>$4$. Water absorption zone.
Question 10 :
What is the arrangement of root zones starting from root tip?
Question 15 :
When a cell is fully turgid, which of the following will be zero?<br>
Question 19 :
Which one of the following is associated with free energy concept of water flux?<br/>
Question 29 :
How many divisions must occur in a cell of root tip to form 128 cells ?
Question 30 :
The tip of the root apical meristem is proceeded by root pocket in<br/>
Question 31 :
Dry wooden stakes, if driven into a small crack in a rock and then soaked, can develop enough pressure to split the rock. Such pressure is build up through the phenomenon of<br>
Question 35 :
A cell membrane regulates, which substances can enter and leave the cell based on their size and polarity. Ions cross the cell membrane through which of the following processes?
Question 37 :
In monocotyledon roots, the histogen present at the apex of the root tip is
Question 43 :
The cells of the roots contain cell sap at a .................. concentration than that of surrounding soil water.
Question 47 :
Which of the following plant parts can respire even in the absence of oxygen?<br/>
Question 48 :
If the amount of an ion absorbed by a root hair cell at $0^{0}C$ is 5 gm and at $20^{0}C$ is 20 gm. The amount of this ion absorbed actively should be<br>
Question 50 :
Which of the following statement is correct for the absorption of water from root hairs?
Question 52 :
Which of the following is an important feature of roots which help them to absorb water and minerals from the soil?
Question 57 :
Rearrange the following series as seen in the rest in vertical section and choose the correct option:<br>(a) Rest hair zone (b) zone of meristem<br>(c) Rest cap zone (d) zone of maturation<br>(e) zone of elongation
Question 58 :
Which of the following plant material is an efficient water imbibant?
Question 60 :
A carrier protein transfers a solute across the phospholipid bilayer via facilitated diffusion which behaves much like an enzyme-substrate reaction.<br/><br/><span>A distinction between the process by which an enzyme converts substrate to product and facilitated transport is</span>