Read the following statements about the vascular bundles:
Choose the correct answer from the options given below:
| (a) | In roots, xylem and phloem in a vascular bundle are arranged in an alternate manner along the different radii |
| (b) | Conjoint closed vascular bundles do not possess cambium |
| (c) | In open vascular bundles, cambium is present in between xylem and phloem |
| (d) | The vascular bundles of dicotyledonous stem possess endarch protoxylem |
| (e) | In monocotyledonous root, usually there are more than six xylem bundles present |
Choose the correct answer from the options given below:
| 1. | (a), (c), (d) and (e) only | 2. | (a), (b) and (d) only |
| 3. | (b), (c), (d) and (e) only | 4. | (a), (b), (c) and (d) only |
Subtopic: Â Vascular Tissue System |
Level 3: 35%-60%
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What is the role of large bundle sheath cells found around the vascular bundles in C4 plants ?
| 1. | To protect the vascular tissue from high light intensity |
| 2. | To provide the site for photorespiratory pathway |
| 3. | To increase the number of chloroplast for the operation of Calvin cycle |
| 4. | To enable the plant to tolerate high temperature |
Level 3: 35%-60%
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Given below are two statements :
In the light of the above statements, Choose the most appropriate answer from the option given below :
| Statement I: | The release of sperms into the seminiferous tubules is called spermiation. |
| Statement II: | Spermiogenesis is the process of formation of sperms from spermatogonia. |
| 1. | Statement I is incorrect but Statement II is correct |
| 2. | Both Statement I and Statement II are correct |
| 3. | Both Statement I and Statement II are incorrect |
| 4. | Statement I is Correct but Statement II is incorrect |
Subtopic: Â Spermiogenesis/Sperm Structure/Hormonal Regulation |
Level 3: 35%-60%
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In an E.coli strain i gene gets mutated and its product cannot bind the inducer molecule. If growth medium is provided with lactose, what will be the outcome ?
| 1. | RNA polymerase will bind the promoter region |
| 2. | Only z gene will get transcribed |
| 3. | z, y, a genes will be transcribed |
| 4. | z, y, a genes will not be translated |
Subtopic: Â Gene Regulation: Lac Operon |
Level 3: 35%-60%
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Statements related to human Insulin are given below.
Which statement(s) is/are correct about genetically engineered Insulin?
Choose the most appropriate answer from the options given below:
Which statement(s) is/are correct about genetically engineered Insulin?
| (a) | Pro-hormone insulin contain extra stretch of C-peptide |
| (b) | A-peptide and B-peptide chains of insulin were produced separately in E.coli, extracted and combined by creating disulphide bond between them. |
| (c) | Insulin used for treating Diabetes was extracted from Cattles and Pigs. |
| (d) | Pro-hormone Insulin needs to be processed for converting into a mature and functional hormone. |
| (e) | Some patients develop allergic reactions to the foreign insulin. |
Choose the most appropriate answer from the options given below:
| 1. | (c), (d) and (e) only | 2. | (a), (b) and (d) only |
| 3. | (b) only | 4. | (c) and (d) only |
Subtopic: Â Med Applications & Humulin |
Level 3: 35%-60%
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Given below are two statements:
In the light of the above statements, choose the most appropriate answer from the options given below:
| Statement I: | In a scrubber the exhaust from the thermal plant is passed through the electric wires to charge the dust particles. |
| Statement II: | Particulate matter (PM 2.5) cannot be removed completely by scrubber but can be removed by an electrostatic precipitator. |
In the light of the above statements, choose the most appropriate answer from the options given below:
| 1. | Statement I is incorrect but Statement II is correct |
| 2. | Both Statement I and Statement II are correct |
| 3. | Both Statement I and Statement II are incorrect |
| 4. | Statement I is correct but Statement II is incorrect |
Level 4: Below 35%
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