Question 3 :
According to carrier concept, the transport of ions across the membrane is

Question 5 :
Which method of transport in plasma membrane does not require carrier molecules?

Question 6 :
The process of absorption of water into raisins occurs through its membranes. This process is known as

Question 7 :
Choose the correct answer from the alternatives given.<br>If a cell is placed in an isotonic solution, what will occur?

Question 8 :
Which of the following means of transmembrane transport involves the expenditure of energy by the cell and can move materials up a concentration gradient?

Question 10 :
Complete the given table about absorption of nutrients through small intestine by selecting the correct option.<br><table class="wysiwyg-table"><tbody><tr><td><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;"><b>Process</b></blockquote></td><td><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;"><b>Nutrients</b></blockquote></td></tr><tr><td>Active transport III</td><td>I and II Fructose and mannose</td></tr><tr><td>Simple Diffusion</td><td>IV and V</td></tr></tbody></table>

Question 11 :
Active transport from outside to inside of molecule across a membrane requires<br>

Question 12 :
ATP molecules combine with carrier molecules and allow passage of substances.

Question 14 :
In which one of the following, expenditure of energy is required?

Question 15 :
Choose the correct answer from the alternatives given.<br>Which of the following processes requires the greatest expenditure of energy by the cell?

Question 17 :
Root cells do not play an active role in the absorption of water in .......... mechanism.<br/>

Question 18 :
The absorption of minerals due to difference in the electropotential gradient without use of energy is?

Question 19 :
During phloem transportation sugar is moved in form of sucrose in to the companion cells and them into the living phloem sieve tube cells by -

Question 24 :
Transport of food materials in higher plants takes place through <br>

Question 25 :
The principal pathways by which water is translocated in angiosperms is

Question 31 :
Which one of the following is connected with transport of water in plants?

Question 34 :
Which of the following elements of the phloem is responsible for conducting sugar?

Question 35 :
Assertion: Xylem is principle water conducting tissue. Reason: It has been recognised by girdling or ringing experiment

Question 36 :
I. Assertion: sugar is translocated to buds for growing them into flowers.<br/>II. Reason:&#160;&#160;xylem transport food through the plant.