NEET 2021

184 Questions • 180 Minutes • 2021

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Q161
Which is the "Only enzyme" that has "Capability" to catalyse Initiation, Elongation and Termination in the process of transcription in prokaryotes?
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Q162
Which of the followingh RNAs is not required for the synthesis of protein?
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Q163
Which of the following is not an objective of Biofortification in crops?
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Q164
Match List-I with List-II. [table] List-I | List-II ; (A) $Aspergillus\ niger$ | (i) Acetic Acid ; (B) $Acetobacter\ aceti$ | (ii) Lactic Acid ; (C) $Clostridium\ butylicum$ | (iii) Citric Acid ; (D) $Lactobacillus$ | (iv) Butyric acid [/table] Choose the correct answer from the options given below.
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Q165
During the process of gene amplification using PCR, if very high temperature is not maintained in the beginning, then which of the following steps of PCR will be affected first?
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Q166
A specific recognition sequence identified by endonucleases to make cuts at specific positions within the DNA is:
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Q167
With regard to insulin choose correct options. A. C-peptide is not present in mature insulin. B. The insulin produced by rDNA technology has C-peptide. C. The pro-insulin has C-peptide. D. A-peptide and B-peptide of insulin are interconnected by disulphide bridges. Choose the correct answer from the options given below.
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Q168
For effective treatment of the disease, early diagnosis and understanding its pathophysiology is very important. Which of the following molecular diagnostic techniques is very useful for early detection?
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Q169
Dobson units are used to measure thickness of:
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Q170
Identify the types of cell junctions that help to stop the leakage of the substances across a tissue and facilitation of communication with neighbouring cells via rapid transfer of ions and molecules.
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Q171
Following are the statements about prostomium of earthworm. A. It serves as a covering for mouth. B. It helps to open cracks in the soil into which it can crawl. C. It is one of the sensory structures. D. It is the first body segment. Choose the correct answer from the options given below.
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Q172
Following are the statements with reference to 'lipids'. A. Lipids having only single bonds are called unsaturated fatty acids. B. Lecithin is a phospholipid. C. Trihydroxy propane is glycerol. D. Palmitic acid has 20 carbon atoms including carboxyl carbon. E. Arachidonic acid has 16 carbon atoms. Choose the correct answer from the options given below.
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Q173
During muscular contraction which of the following events occur? A. 'H' zone disappears B. 'A' band widens C. 'I' band reduces in width D. Myosine hydrolyzes ATP, releasing the ADP and Pi E. Z-lines attached to actins are pulled inwards Choose the correct answer from the options given below.
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Q174
Match List-I with List-II. [table] List-I | List-II ; (A) Scapula | (i) Cartilaginous joints ; (B) Cranium | (ii) Flat bone ; (C) Sternum | (iii) Fibrous joints ; (D) Vertebral column | (iv) Triangular flat bone [/table] Choose the correct answer from the options given below.
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Q175
Which of these is not an important component of initiation of parturition in humans?
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Q176
Which of the following secretes the hormone, relaxin during the later phase of pregnancy?
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Q177
Statement I: The codon 'AUG' codes for methionine and phenylalanine. Statement II: 'AAA' and 'AAG' both codons code for the amino acid lysine. In the light of the above statements, choose the correct answer from the options given below.
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Q178
Which one of the following statement about histones is wrong?
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Q179
Match the following: [table] List-I | List-II ; (A) Adaptive radiation | (i) Selection of resistant varieties due to excessive use of herbicides and pesticides ; (B) Convergent evolution | (ii) Bones of forelimbs in Man and Whale ; (C) Divergent evolution | (iii) Wings of Butterfly and Bird ; (D) Evolution by anthropogenic action | (iv) Darwin Finches [/table] Choose the correct answer from the options given below.
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Q180
Match the following: [table] List-I | List-II ; (A) Filariasis | (i) $Haemophilus\ influenzae$ ; (B) Amoebiasis | (ii) $Trichophyton$ ; (C) Pneumonia | (iii) $Wuchereria\ bancrofti$ ; (D) Ringworm | (iv) $Entamoeba\ histolytica$ [/table] Choose the correct answer from the options given below.
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Paper Info
  • Exam: NEET
  • Year: 2021
  • Questions: 184
  • Duration: 180 mins
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