Genetics and Evolution-Molecular Basis of Inheritance (NEET (National Eligibility cum Medical Entrance Test) Biology): Questions 45 - 51 of 85
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Question number: 45
» Genetics and Evolution » Molecular Basis of Inheritance » DNA as Genetic Material
Question
Which element is not found in nitrogenous base [NCERT-76]
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Hydrogen |
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| b. | Carbon |
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| c. | Phosphorus |
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| d. | Nitrogen |
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Question number: 46
» Genetics and Evolution » Molecular Basis of Inheritance » Structure of DNA and RNA
Appeared in Year: 1991
Question
Back bone in structure of DNA molecule is made up of-
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Pentose Sugar and phosphate |
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| b. | Sugar and phosphate |
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| c. | Hexose sugar and phosphate |
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| d. | Purine and pyrimidine |
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Question number: 47
» Genetics and Evolution » Molecular Basis of Inheritance » Gene Expression and Regulation
Question
Who propounded the theory one gene one enzyme one chemical reaction
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Watson & Crick |
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| b. | T. H. Morgan |
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| c. | George Beadle and Edward Tatum |
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| d. | Abraham Trembley |
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Question number: 48
» Genetics and Evolution » Molecular Basis of Inheritance » Structure of DNA and RNA
Question
DNA was first discovered by- [AIPMT 76, 85]
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Flemming |
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| b. | Meischer |
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| c. | Watson & Crick |
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| d. | Robert Brown |
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Question number: 49
» Genetics and Evolution » Molecular Basis of Inheritance » Structure of DNA and RNA
Question
Which of the following is called adaptor molecule
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | t-RNA |
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| b. | m-RNA |
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| c. | RNA |
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| d. | DNA |
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Question number: 50
» Genetics and Evolution » Molecular Basis of Inheritance » Structure of DNA and RNA
Appeared in Year: 2007
Question
Differentiation of organs and tissues in a developing organism, is association with
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Differential expression of genes |
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| b. | Developmental mutations |
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| c. | Deletion of genes |
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| d. | Lethal mutations |
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Question number: 51
» Genetics and Evolution » Molecular Basis of Inheritance » Structure of DNA and RNA
Appeared in Year: 2010
Question
Select the two correct statements out of the four (a-d) given below about lac operon
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | In the absence of lactose the repressor binds with the operator region |
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| b. | This was elucidated by Francois Jacob and Jacque Monod |
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| c. | The z-gene codes for permease |
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| d. | Both a. and b. are correct |
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