Question 3 :
Which of the following is not a waste product of plants?<br/>
Question 5 :
The force responsible for upward conduction of water against gravity comes from<br/>
Question 6 :
The Druckstrom or mass-flow hypothesis for translocation of food matter in phloem was proposed by<br>
Question 9 :
Force developed in cortex of root which pushes water into xylem of root is
Question 10 :
The movement of materials through the vascular tissue of plants is called as<br/>
Question 11 :
<span>When stem of a herbaceous plant is cut, water or sap oozes out, this is due to?</span>
Question 13 :
Removal of a ring of bark from the trunk of a tree kills it, because<br/>
Question 14 :
In the leaves of strawberry, water appears to be exuded through leaf margins. This is due to the combination of:<br>i. Adhesion<br>ii. Root pressure<br>iii. Transpiration<br>iv. Guttation.<br>
Question 16 :
Starch is insoluble in water yet it is accumulated in large quantities in potato because<br>
Question 18 :
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 19 :
The function of the glomerulus and Bowman's capsule of the nephron is to<br/>
Question 24 :
According to Munch theory, the cause of flow of soluble substance is<br>
Question 26 :
Food synthesized in the leaves is transported to other parts by<br/>
Question 27 :
The bulliform cells of leaves lose their turgidity during excessive _____________.
Question 29 :
Exudation of xylem sap on cutting of a shoot is due to
Question 30 :
By which of the following techniques, we can prove the phloem as an element for food translocation?<br>
Question 31 :
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 32 :
An adaptation in the structure and function of loop of Henle to xerophytic environment is<span><br/></span>
Question 33 :
The ultimate cause of the movement of water against gravity in a tree is
Question 34 :
Which of the following is the consumption end of the plant?<br>
Question 35 : 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 38 :
How much water a mango tree can transprire during its growing season?
Question 42 :
Pressure caused by water entering the root from soil is known as
Question 44 :
In the experiment to demonstrate root pressure, where did the cut was made on the plant?
Question 48 :
Which is the control point in roots where a plant adjust the quantity and quality of solute that reach the xylem:
Question 50 :
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 52 :
Identify the correct sequence of movement of water in the root of higher plants.
Question 55 :
If the stem of the plant is cut just above the root then
Question 56 :
Much of the starch is deposited in banana fruit as it matures. Which of the following explains how the starch gets there?<br>
Question 57 :
In lower to higher plants which form of the carbohydrate is translocated?<br>
Question 58 : Root pressure helps in<div><br/>i Continuous flow of water in plants<br/>ii Pulling force<br/>iii Replacement of lost water</div>
Question 59 :
The process of loss of water through the leaves and stem is called
Question 62 :
In which form, the food is translocated from endosperm to plumule of a fatty seed like castor?<br>
Question 63 :
Choose the correct answers from the alternatives given.<br/>Root pressure can be measured by
Question 64 :
Assertion: Girdling is removal of xylem tissues from a stem or branch.
Reason: Girdling give the evidence for translocation of sugar through xylem tissue.
Question 65 :
The part of a nephron which opens into the collecting duct is/are
Question 66 :
When the kidney is no longer held in place securely, the stage is called as
Question 67 :
<span><br/>During transpiration, the leaves lose more water from their upper surface.</span>
Question 68 :
The most important forces for the ascent of sap in plants are?
Question 69 :
Choose the correct answer from the alternatives given.<span><br>The tissue responsible for transport of organic nutrients from the source is</span>
Question 70 :
What will happen if one kidney is removed from the body of a human being?
Question 75 :
If the rate of translocation of food is slow, what will be the effect on photosynthesis?<br>
Question 76 :
Assertion: Long distance flow of photoassimilates in plants occurs through sieve tubes.
Reason: Mature sieve tubes have parietal cytoplasm and perforated sieve plates.
Question 80 :
Plants get rid of waste by which of the following method?
Question 81 :
Plasma resembles the filtrate produced in the glomerulus except for the presence of
Question 82 :
The bunch of capillaries present in the Bowman's capsule are called
Question 85 :
Which one of the following glands does not help in excretion?
Question 87 :
Which pressure developed in the root, forces the water into xylem vessel and upwards into the stem for a certain height?
Question 88 :
Excretion of wastes produced during photosynthesis in plants takes place through
Question 89 :
During transport of sugar or amino acid into the cell through cell membrane<br/>
Question 90 :
Kidneys are located in the ............ one on either side of the ........... which helps in the filtration of blood.
Question 92 :
The reabsorption of water in the tubules of nephrons takes place by
Question 93 :
Assertion: Photosynthesizing cells serve as sources of the assimilates.
Reason: Photosynthates are translocated from source.
Question 99 :
Assertion: Phloem also translocates nitrogenous compounds.
Reason: Nitrogen compounds translocation occurs from younger to older plant parts.
Question 104 :
Among which one of the following is a part of nephron?
Question 105 :
<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 106 :
Which part of nephron in human kidney is associated with active transport of Na+?
Question 107 : 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>
Question 111 :
Absorbed minerals are transportd to other parts of the plants by
