The device which can remove particulate matter present in the exhaust from a thermal power plant is :
| 1. | Catalytic Convertor | 2. | STP |
| 3. | Incinerator | 4. | Electrostatic Precipitator |
DNA polymorphism forms the basis of
1. Translation
2. Genetic mapping
3. DNA finger printing
4. Both genetic mapping and DNA fingerprinting
Given below are two statements:
| Statement I: | Mendel studied seven pairs of contrasting traits in pea plants and proposed the Laws of Inheritance |
| Statement II: | Seven characters examined by Mendel in his experiment on pea plants were seed shape and colour, flower colour, pod shape and colour, flower position and stem height |
In the light of the above statements, choose the correct 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 |
While explaining interspecific interaction of population, (+) sign is assigned for beneficial interaction, (-) sign is assigned for detrimental interaction and (0) for neutral interaction. Which of the following interactions can be assigned (+) for one species and (-) for another species involved in the interaction?
| 1. | Competition | 2. | Predation |
| 3. | Amensalism | 4. | Commensalism |
Which of the following occurs due to the presence of autosome linked dominant trait?
| 1. | Thalessemia | 2. | Sickle cell anaemia |
| 3. | Myotonic dystrophy | 4. | Haemophilia |
Which one of the following will accelerate phosphorus cycle?
| 1. | Rain fall and storms | 2. | Burning of fossil fuels |
| 3. | Volcanic activity | 4. | Weathering of rocks |
Read the following statements on lipids and find out correct set of statements:
| (a) | Lecithin found in the plasma membrane is a glycolipid |
| (b) | Saturated fatty acids possess one or more c=c bonds |
| (c) | Gingely oil has lower melting point, hence remains as oil in winter |
| (d) | Lipids are generally insoluble in water but soluble in some organic solvents |
| (e) | When fatty acid is esterified with glycerol, monoglycerides are formed |
Choose the correct answer from the options given below
| 1. | (a), (b) and (d) only | 2. | (a), (b) and (c) only |
| 3. | (a), (d) and (e) only | 4. | (c), (d) and (e) only |
Which part of the fruit, labelled in the given figure makes it a false fruit?
| 1. | D-Seed | 2. | A-Mesocarp |
| 3. | B-Endocarp | 4. | C-Thalamus |
In the following palindromic base sequences of DNA, which one can be cut easily by particular restriction enzyme?
1. 5'GTATTC3' ; 3'CATAAG5'
2. 5'GATACT3' ; 3'CTATGA5'
3. 5'GAATTC3' ; 3'CTTAAG5'
4. 5'CTCAGT3' ; 3'GAGTCA5'
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