NEET Botany MCQs

Match List-I with List-II <table> <tr> <th>List-I</th> <th>List-II</th> </tr> <tr> <td>(A)Cohesion</td> <td>(I)More attraction in liquid phase</td> </tr> <tr> <td>(B)Adhesion</td> <td>(II)Mutual attraction among wate molecules </td> </tr> <tr> <td>(C)Surface tension</td> <td>(III)Water loss in liquid phase</td> </tr> <tr> <td>(D)Guttation</td> <td>(IV)Attraction towards polar surfaces </td> </tr> </table> Choose the correct answer from the options given below:

• A-II, B-I, C-IV, D-III
• A-II, B-IV, C-I, D-III
• A-IV, B-III, C-II, D-I
• A-III, B-I, C-IV, D-II

Match List-I with List-II <table> <tr> <th>List-I</th> <th>List-II</th> </tr> <tr> <td>(A)Iron</td> <td>(I)Synthesis of auxin</td> </tr> <tr> <td>(B)Zinc</td> <td>(II)Component of nitrate reductase</td> </tr> <tr> <td>(C)Boron</td> <td>(III)Activator of catalase</td> </tr> <tr> <td>(D)Molybdenum</td> <td>(IV)Cell elongation and differentiation</td> </tr> </table> Choose the correct answer from the options given below:

• A-II, B- IV, C- I, D-III
• A-III, B- II, C-I, D-IV
• A-III, B- III, C-IV, D-I
• A-III, B-I, C-IV, D-II

Which of the following combinations is required for chemiosmosis?

• proton pump, electron gradient, NADP synthase
• membrane, proton pump, proton gradient. ATP synthase
• membrane, proton pump, proton gradient, NADP synthase
• proton pump, electron gradient, ATP synthase

Math List-I with List-II <table> <tr> <th>List-I</th> <th>List-II</th> </tr> <tr> <td>(A)Oxidative ecarboxylation</td> <td>(I)Citrate synthase</td> </tr> <tr> <td>(B)Glycolysis</td> <td>(II)Pyruvate</td> </tr> <tr> <td>(C)Oxidative phosphorylation</td> <td>(III)Electron transport system</td> </tr> <tr> <td>(D)Tricarboxylic acid cycle</td> <td>(IV)EMP pathway</td> </tr> </table> Choose the correct answer from the options given below:

• A-II, B-IV, C-III,, D-I
• A-III, B-IV, C-II,, D-I
• A-II, B-IV, C-I,, D-III
• A-III, B-I, C-II,, D-IV

Which of the following statements are correct about Klinefelter's Syndrome?<br> A. This disorder was first described by Langdon Down (1866).<br> B. Such an individual has overall masculine development. However, the feminine development is also expressed.<br> C. The affected individual is short stature.<br> D. Physical, psychomotor and mental development is retarded. E. Such individuals are sterile. <br> Choose the correct answer from the options given below:

• A and E only
• A and B only
• C and D only
• B and E only

How many different proteins does the ribosome consist of?

• 20
• 80
• 60
• 40

Main steps in the formation of Recombinant DNA are given below. Arrange these steps in a correct sequence.<br> A. Insertion of recombinant DNA into the host cell.<br> B. Cutting of DNA at specific location by restriction enzyme.<br> C. Isolation of desired DNA fragment.<br> D.Amplification of gene of interest using PCR<br> Choose the correct answer from the option given below:

• B, D, A, C
• B, C, D, A
• C, A, B, D
• C, B, D, A

Given below are two statements:<br> <i>Statement I:</i> Gause's "Competitive Exclusive Principle" states that two closely related species competing for the same related species competing for the same resources cannot co-exist indefinitely and competitively inferior one will be eliminated eventually.<br> <i>Statement II:</i> In general, carnivores are more adversely affected by competition than herbivores.<br> In the light of the above statements, choose the correct answer from the options given below:

• Statement I is incorrect but Statement II is true
• Both Statement I and Statement II are true
• Both Statement I and Statement II are false
• Statement I is correct but Statement II is false.

Match List-I with List-II<br> <table> <tr> <th>List-I (Interaction)</th> <th>List-II (Species A and B)</th> </tr> <tr> <td>(A)Mutualism</td> <td>(I)+(A), O(B)</td> </tr> <tr> <td>(B)Commensalism</td> <td>(II)–(A), O(B)</td> </tr> <tr> <td>(C)Amensalism</td> <td>(III)+(A), -(B)</td> </tr> <tr> <td>(D)Parasitism</td> <td>(IV)+(A), +(B)</td> </tr> </table> Choose the correct answer from the given options:

• A-III, B-I, C-IV, D-II
• A-IV, B-II, C-I, D-III
• A-IV, B-I, C-II, D-III
• A-IV, B-III, C-I, D-II

Which of the following answers are NOT correct?

• The amount of some toxic substances of industrial waste water increases in the organisms at Successive trophic levels.
• The micro-organisms involved in biodegradation of organic matter in a sewage polluted water body consume a lot of oxygen causing the death of aquatic organisms.
• Algal blooms caused by excess of organic matter in water improve water quality and promote fisheries.
• Water hyacinth grows abundantly in eutrophic water bodies and leads to an imbalance in the ecosystem dynamics of the water body.