What amount of energy is released from glucose during lactic acid fermentation?
| 1. | Less than 7% | 2. | Approximately 15% |
| 3. | More than 18% | 4. | About 10% |
Subtopic: Â Fermentation |
 80%
Level 1: 80%+
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Subtopic: Â Sex Determination |
 79%
Level 2: 60%+
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Match List - I with List - II
Choose the correct answer from the options given below:
| List I | List II | ||
| (a) | Manganese | (i) | Activates the enzyme catalase |
| (b) | Magnesium | (ii) | Required for pollen germination |
| (c) | Boron | (iii) | Activates enzymes of respiration |
| (d) | Iron | (iv) | Functions in splitting of water during photosynthesis |
| (a) | (b) | (c) | (d) | |
| 1. | (iii) | (i) | (ii) | (iv) |
| 2. | (iii) | (iv) | (i) | (ii) |
| 3. | (iv) | (iii) | (ii) | (i) |
| 4. | (iv) | (i) | (ii) | (iii) |
 68%
Level 2: 60%+
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"Girdling Experiment" was performed by Plant Physiologists to identify the plant tissue through which:
| 1. | osmosis is observed |
| 2. | water is transported |
| 3. | food is transported |
| 4. | for both water and food transportation |
Subtopic: Â Phloem Translocation: Short Distance Transport |Â Phloem Translocation |
 75%
Level 2: 60%+
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Which of the following is not a method of ex situ conservation?
| 1. | Cryopreservation | 2. | In vitro fertilization |
| 3. | National Parks | 4. | Micropropagation |
Subtopic: Â In Situ Conservation of Biodiversity |
 78%
Level 2: 60%+
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Given below are two statements:
In the light of the above statements, choose the correct answer from the options given below:
| Statement I: | Decomposition is a process in which the detritus is degraded into simpler substances by microbes. |
| Statement II: | Decomposition is faster if the detritus is rich in lignin and chitin. |
| 1. | Statement I is correct 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 Decomposition |
 71%
Level 2: 60%+
Hints
Read the following statements and choose the set of correct statements:
Choose the correct answer from the options given below
| (a) | Euchromatin is loosely packed chromatin |
| (b) | Heterochromatin is transcriptionally active |
| (c) | Histone octomer is wrapped by negatively charged DNA in nucleosome |
| (d) | Histones are rich in lysine and arginine |
| (e) | A typical nucleosome contains 400 bp of DNA helix |
Choose the correct answer from the options given below
| 1. | (a), (c), (e) only | 2. | (b), (d), (e) only |
| 3. | (a), (c), (d) only | 4. | (b), (e) only |
Subtopic: Â DNA Double Helix |
 84%
Level 1: 80%+
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Which one of the following produces nitrogen fixing nodules on the roots of Alnus ??
| 1. | Beijernickia | 2. | Rhizobium |
| 3. | Frankia | 4. | Rhodospirillum |
 68%
Level 2: 60%+
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Which one of the following plants shows vexillary aestivation and diadelphous stamens ?
1. Solanum nigrum
2. Colchicum autumnale
3. Pisum sativum
4. Allium cepa
Subtopic: Â Flower & Parts of Flower |
 87%
Level 1: 80%+
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Given below are two statements:
| I: | Cleistogamous flowers are invariably autogamous |
| II: | Cleistogamy is disadvantageous as there is no chance for cross pollination |
In the light of the above statements, choose the correct answer from the options given below:
| 1. | I is incorrect but II is correct |
| 2. | Both I and II are correct |
| 3. | Both I and II are incorrect |
| 4. | I is correct but II is incorrect |
Subtopic: Â Pollination & Outbreeding Devices |
 81%
Level 1: 80%+
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