The figure below is the diagrammatic representation of the E.coli vector pBR 322. Which one of the given options correctly identifies its certain components (s)?
1. Ori-original restriction enzyme
2. Rop-reduced osmotic pressure
3. Hind III, Eco RI-selectable markers
4. AmpR, tetiR-antibiotic resistance genes
Subtopic: Tools: Vectors: II | Cloning Vector | Tools |
86%
Level 1: 80%+
AIPMT - 2012
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Subtopic: Activity of Cork Cambium |
75%
Level 2: 60%+
AIPMT - 2012
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Subtopic: Typhoid Fever |
95%
Level 1: 80%+
AIPMT - 2012
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Which part would be most suitable for raising virus-free plants for micro propagation?
1. Bark
2. Vascular tissue
3. Meristem
4. Node
Subtopic: Plant Tissue Culture |
91%
Level 1: 80%+
AIPMT - 2012
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Which one of the following is a wrong statement?
| 1. | Most of the forests have been lost in tropical areas |
| 2. | Ozone in upper part of atmosphere is harmful to animals |
| 3. | Greenhouse effect is a natural phenomenon |
| 4. | Eutrophication is a natural phenomenon in freshwater bodies |
Subtopic: Water Pollution: I | Water Pollution: II | Green House Effect & Global Warming | Ozone Layer Depletion | Water Pollution |
76%
Level 2: 60%+
AIPMT - 2012
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Companion cells are closely associated with:
| 1. | Sieve elements | 2. | Vessel elements |
| 3. | Trichomes | 4. | Guard cells |
Subtopic: Complex Tissue: Phloem |
92%
Level 1: 80%+
AIPMT - 2012
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Common cold differs from pneumonia in, that:
| 1. | Pneumonia is a communicable disease, whereas common cold is a nutritional deficiency disease |
| 2. | Pneumonia can be prevented by a live attenuated bacterial vaccine, whereas the common cold has no effective vaccine |
| 3. | Common cold is caused by a virus, while Pneumonia is caused by a bacterium. |
| 4. | Pneumonia pathogen infects alveoli whereas common cold affects the nose and the respiratory passage but not the lungs |
Subtopic: Pneumonia & Related Questions | Common Cold & Malaria Introduction |
62%
Level 2: 60%+
AIPMT - 2012
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Pheretima and its close relatives derive nourishment from:
1. Sugarcane roots
2. Decaying fallen leaves and soil organic matter
3. Soil insects
4. Small pieces of fresh fallen leaves of maize
Subtopic: Decomposition |
87%
Level 1: 80%+
AIPMT - 2012
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Links
Removal of RNA polymerase III from nucleoplasm will affect the synthesis of:
1. tRNA
2. hnRNA
3. mRNA
4. rRNA
Subtopic: Transcription: IV | Transcription |
81%
Level 1: 80%+
AIPMT - 2012
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A process that makes an important difference between C3 and C4 plants is:
1. Transpiration
2. Glycolysis
3. Photosynthesis
4. Photorespiration
Subtopic: Photorespiration |
90%
Level 1: 80%+
AIPMT - 2012
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