Question 1 :
Force developed in cortex of root which pushes water into xylem of root is
Question 3 :
<span>When stem of a herbaceous plant is cut, water or sap oozes out, this is due to?</span>
Question 6 :
The force responsible for upward conduction of water against gravity comes from<br/>
Question 8 :
The Druckstrom or mass-flow hypothesis for translocation of food matter in phloem was proposed by<br>
Question 10 :
Which of the following is not a waste product of plants?<br/>
Question 11 :
The movement of materials through the vascular tissue of plants is called as<br/>
Question 14 :
Transpiration and root pressure cause water to rise in plants by
Question 15 :
The ultimate cause of the movement of water against gravity in a tree is
Question 16 :
Much of the starch is deposited in banana fruit as it matures. Which of the following explains how the starch gets there?<br>
Question 17 :
Which is the control point in roots where a plant adjust the quantity and quality of solute that reach the xylem:
Question 18 :
State whether the following statements are true or false:<br/>In the vascular bundle of leaf, xylem is located towards the adaxial side of the leaf.
Question 19 :
How much pressure would be required to raise water to the top of a $416$ ft. high tree ?
Question 22 :
Transport of water and minerals from one place to another in higher plants is known as
Question 27 :
Meaningful girdling (ringing) experiment can not be performed within sugarcane because<br/><br/><div>(a) its phloem is situated interior to xylem<br/>(b) its stem surface is covered with worry coating<br/>(c) its vascular bundles are not present in a ring<br/>(d) its stem is thin $13$. Guttation is caused by</div>
Question 28 :
Photosynthates are translocated from source to sink organs mainly in the form of
Question 29 :
Pressure caused by water entering the root from soil is known as
Question 31 :
Food synthesized in the leaves is transported to other parts by<br/>
Question 32 :
consider the following statements each with one or two blanks. <br>(i) The ascending limb of loop of Henle is impermeable to (1) but allows transport of (2)<br>(ii) (3) and (4) play a significant role in producing a concentrated urine. <br>(iii) A fall in glomerular blood flow/glomerular blood pressure/GFR can activate the JG cells to release (5)<br>Which one of the following options correctly fills the blanks in any two of the statements?
Question 35 :
The function of the glomerulus and Bowman's capsule of the nephron is to<br/>
Question 36 :
Write true or false for the following statements:<br>The chemical process involved in the removal of harmful metabolic wastes from the body is called excretion.
Question 37 :
The carbohydrate synthesised in the leaves are transported through sieve tubes most commonly in the form of
Question 39 :
An adaptation in the structure and function of loop of Henle to xerophytic environment is<span><br/></span>
Question 40 :
In which form, the food is translocated from endosperm to plumule of a fatty seed like castor?<br>
Question 43 :
According to one vital theory, ascent of sap is due to active pulsation of innermost layer of cortex. This theory was given by<br>
Question 46 :
According to Munch theory, the cause of flow of soluble substance is<br>
Question 50 :
Which of the following is the consumption end of the plant?<br>
Question 53 :
The kidneys in human beings are a part of the system for
Question 54 :
Gradient pressure as a possible mechanism of translocation of food was given by<br>
Question 56 :
In the experiment to demonstrate root pressure, where did the cut was made on the plant?
Question 59 :
How much water a mango tree can transprire during its growing season?
Question 61 :
Translocation of food in higher plants is related to the idea of<br>
Question 62 :
Urea formed in the body is removed by which of the following metabolic system?