Question 2 :
Which of the following, one element has not been proved to be essential in plants

Question 7 :
<p>Which of the following elements are essential for the photolysis of water?</p>

Question 8 :
<p>In which of the following, oxygen does not evolve during photosynthesis? </p>

Question 10 :
<p>Photosynthesis in <img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5ed0aceb8ccf4a7e96434743"/>-plants is relatively less limited by atmospheric carbon dioxide levels because</p>

Question 12 :
<p>Consider the following statements regarding photosynthesis.</p><p>I. ATP formation during photosynthesis is termed as photophosphorylation.</p><p>II. Kranz anatomy pertains to leaf.</p><p>III. Reduction of <img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5ed0acf58ccf4a7e96434760"/>to NADPH occurs during Calvin cycle.</p><p>IV. In a chlorophyll molecule, magnesium is present in phytol tail.</p>

Question 13 :
The oxygen produced during photosynthesis comes from photolysis of water was first time proved by

Question 14 :
{tex}\mathrm{Assertion : }{/tex}CAM plants lack structural compartmentation of leaf, as found in C₄ plants. <br>{tex}\mathrm{Reason : }{/tex}Stomata of CAM plants are open during the day.

Question 15 :
<b>Assertion (A)</b> Nitrogen-fixing enzyme in legume root nodules functions at low oxygen concentration. <br><b>Reason (R)</b> Mn increases the rate of photosynthesis, thereby increasing absorption of Mg, Fe and Ca from soil.

Question 17 :
<p>On the basis of symptoms of chlorosis in leaves, a student inferred that this was due to the deficiency of nitrogen. This inference could be correct only if we assume that yellowing of leaves appeared first in</p>

Question 18 :
{tex}\mathrm{Assertion : }{/tex}The stromal thylakoids are rich in both PS I and PS II. <br>{tex}\mathrm{Reason : }{/tex}The granal membranes are rich in ATP synthetase.

Question 19 :
<p>Photosynthesis cannot continue for long if during light reaction, only cyclic photophosphorylation takes place. This is because </p>

Question 20 :
The enzyme that catalyses carbon dioxide fixation in {tex} \mathrm { C } _ { 4 } {/tex} plants is

Question 21 :
<p> <font face="Cambria Math, serif">Phloem sap is mainly ….. and ….. . Choose the correct pair of options?</font></p>

Question 22 :
Which of the following elements in plants are relatively immobile and are a part of the structural component of the cell?

Question 23 :
<p> <font face="Cambria Math, serif">Plants requiring low light intensity for optimum photosynthesis are called</font></p>

Question 24 :
<p> <font face="Cambria Math, serif">Which of the given options are correct for hydroponics? Select the correct pair</font></p> <p> <font face="Cambria Math, serif">I. Hydroponics technique is useful in areas having infertile and dry soils</font></p> <p> <font face="Cambria Math, serif">II. Hydroponics can regulate pH optimum for a particular crop</font></p> <p> <font face="Cambria Math, serif">III. It increases the labour cost</font></p> <p><font face="Cambria Math, serif">IV. It increases the problem of weeding</font></p>

Question 26 :
Based on Munch&rsquo;s pressure-flow hypothesis shown in the given figure which of the following conditions would increase the rate of translocation?<br /><img style='object-fit:contain' src="https://s3.ap-south-1.amazonaws.com/me-p/5f4de84916d7e6154e45154a.jpg" />

Question 27 :
Photosynthesis in C₄ plants is relatively less limited by atmospheric CO₂ levels because

Question 28 :
<p> <font face="Cambria Math, serif">The law of limiting factors was proposed with particular reference to photosynthesis. Identify the scientise, who proposed this law?</font></p>

Question 29 :
<p> <font face="Cambria Math, serif">The shape of guard cells in stomata in sugarcane plant is</font></p>