Question 3 :
Which of the following is not a waste product of plants?<br/>
Question 7 :
The force responsible for upward conduction of water against gravity comes from<br/>
Question 8 :
The movement of materials through the vascular tissue of plants is called as<br/>
Question 10 :
The Druckstrom or mass-flow hypothesis for translocation of food matter in phloem was proposed by<br>
Question 11 :
Force developed in cortex of root which pushes water into xylem of root is
Question 12 :
<span>When stem of a herbaceous plant is cut, water or sap oozes out, this is due to?</span>
Question 14 :
Urea formed in the body is removed by which of the following metabolic system?
Question 16 :
What will happen, if one kidney is removed from the body of a human being?
Question 17 :
Starch is insoluble in water yet it is accumulated in large quantities in potato because<br>
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 :
Much of starch is deposited in fruits as it matures. Which of the following explains that how the starch gets there?<br>
Question 21 :
How much water a mango tree can transprire during its growing season?
Question 22 :
Food synthesized in the leaves is transported to other parts by<br/>
Question 24 :
Force responsible for exudation of liquid drops from the margin of the leaves is
Question 25 :
Assertion: Capillary water is not readily available to the plants as it lies below the level of roots.
Reason: Gravitational water constitutes the only water available to the plants.
Question 26 :
According to the mass flow hypothesis movements of the solutes occur from<br/>
Question 27 :
In which part of the excretory system of mammals, can you first use the term urine for contained fluid?<br/>
Question 31 :
Match the terms given in column /i with their physiological processes given in column II and choose the correct answer.<br><b> Column I Column II<br></b>A. Proximal convoluted tubule (i) Formation of concentrated urine <br>B. Distal convoluted tubule (ii) Filtration of blood <br>C. Henle's loop (iii) Reabsorption of $70-80%$ of eletrolytes <br>D. Counter current mechanism (iv) Ionic balance <br>E. Renal corpuscle (v) Maintenance of concentration gradient in medulla <br><br>
Question 33 :
According to Munch hypothesis osmotic pressure remains high in the mesophyll cells due to<br>
Question 35 :
Which of the following exactly depicts the process of translocation in plants?
Question 36 :
In the experiment to demonstrate root pressure, where did the cut was made on the plant?
Question 38 :
Which of the following characteristics is correct for glomerular filtrate, the fluid that passes from the blood in the glomerulus and into the tubule of the nephron?
Question 41 :
<span>Transpiration takes place maximum through which of the following structures in plants?</span>
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 44 :
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 49 :
Exudation of xylem sap on cutting of a shoot is due to
Question 52 :
An aphid pierces its proboscis into the .......... to get plant juices.<br/>
Question 55 :
A storage organ is a part of a plant specifically modified for storage of energy generally in the form of<br>
Question 57 :
The function of the glomerulus and Bowman's capsule of the nephron is to<br/>
Question 58 :
By protoplasmic streaming theory, how sugar is translocated from one sieve tube to other?<br>
Question 59 :
1 atm pressure can raise water to a height of more than _____
Question 63 :
Assertion: Phloem also translocates nitrogenous compounds.
Reason: Nitrogen compounds translocation occurs from younger to older plant parts.
Question 67 :
The part of a nephron which opens into the collecting duct is/are
Question 68 :
Assertion: Long distance flow of photoassimilates in plants occurs through sieve tubes.
Reason: Mature sieve tubes have parietal cytoplasm and perforated sieve plates.
Question 69 :
Assertion: Photosynthesizing cells serve as sources of the assimilates.
Reason: Photosynthates are translocated from source.
Question 70 :
Which part of nephron in human kidney is associated with active transport of Na+?
Question 71 :
Excretion of wastes produced during photosynthesis in plants takes place through
Question 73 :
Absorbed minerals are transportd to other parts of the plants by
Question 75 :
Choose the correct answer from the alternatives given.<span><br>The tissue responsible for transport of organic nutrients from the source is</span>
Question 76 :
What will happen if one kidney is removed from the body of a human being?
Question 77 :
If the rate of translocation of food is slow, what will be the effect on photosynthesis?<br>
Question 80 :
Among which one of the following is a part of nephron?
Question 81 :
Kidneys are located in the ............ one on either side of the ........... which helps in the filtration of blood.
Question 83 :
The most important forces for the ascent of sap in plants are?
Question 84 :
<span>State whether the following statements are True or False. Rewrite the false statements correctly.</span><span><br>Transpiration is the loss of water from the roots of the plant.</span>
Question 88 :
Plants get rid of waste by which of the following method?
Question 90 : Match the words of column (A) with that of column (B).<div><br/><table class="wysiwyg-table"><tbody><tr><td><span>Column (A)</span><br/></td><td><span>Column (B)</span><br/></td></tr><tr><td>A. Phloem</td><td>1. Excretion</td></tr><tr><td>B. Nephron</td><td>2. Translocation of food</td></tr><tr><td>C. Veins</td><td>3. Clotting of blood</td></tr><tr><td>D. Platelets</td><td>4. Deoxygenated blood</td></tr></tbody></table></div>
