Question 1 :
ATP molecules combine with carrier molecules and allow passage of substances.

Question 2 :
Choose the correct answer from the alternatives given.<br>Which of the following processes requires the greatest expenditure of energy by the cell?

Question 3 :
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 4 :
The absorption of minerals due to difference in the electropotential gradient without use of energy is?

Question 7 :
Active transport from outside to inside of molecule across a membrane requires<br>

Question 8 :
Choose the correct answer from the alternatives given.<br>If a cell is placed in an isotonic solution, what will occur?

Question 9 :
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 :
Which method of transport in plasma membrane does not require carrier molecules?

Question 12 :
In which one of the followings, expenditure of energy is required?<br/>

Question 13 :
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 16 :
In which one of the following, expenditure of energy is required?

Question 19 :
The process of absorption of water into raisins occurs through its membranes. This process is known as