Q. No.In a population in genetic equilibrium, the frequency of the recessive allele is found to be 0.2. What is the frequency of heterozygotes in this population?
1. 0.8 2. 0.16 3. 0.32 4. 0.64
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Karn & Penrose (1951) showed that birth weight follows a normal distribution, that mortality for newborns is greater for those either under or over-weight, and that the mean birth weight (7 lbs) coincides with that showing minimum mortality.
What type of natural selection is taking place in this case?
1. Stabilizing
2. Directional
3. Disruptive
4. Natural selection is not taking place in this case
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
When a new population is established by a very small number of individuals from a larger population, sometimes becoming a different species, the process is called as:
| 1. | Founder effect | 2. | Genetic bottleneck |
| 3. | Adaptive radiation | 4. | Convergent evolution |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
The process of evolution of different species in a given geographical area starting from a point and literally radiating to other areas of geography [habitats] is known as:
| 1. | Convergent evolution | 2. | Divergent evolution |
| 3. | Adaptive radiation | 4. | Artificial selection |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
All the following are examples of evolution by anthropogenic action except:
| 1. | Industrial melanism seen in peppered moth |
| 2. | Pesticide resistance in pests |
| 3. | Emergence of antibiotic resistant bacteria |
| 4. | Streamlined body in dolphins |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Similar biological structures or sequences in different taxa are homologous if they:
| 1. | always perform the same function |
| 2. | result from convergent evolution |
| 3. | do not serve any known function |
| 4. | are derived from a common ancestor |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
The natural selection operating as shown in the given figure is called as:
| 1. | Disruptive |  |
| 2. | Directional | |
| 3. | Stabilizing | |
| 4. | Retrogressive |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Assume that 4 % of people in a population are born with sickle cell anemia [Sickle cell anemia is autosomal recessive]. What percentage of individuals will have the selective advantage of the sickle-cell trait?
| 1. | 16 % | 2. | 32 % |
| 3. | 36 % | 4. | 96 % |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
| 1. | Methane, Carbon dioxide, Oxygen, and Hydrogen |
| 2. | Methane, Ammonia, Water vapour, and Hydrogen |
| 3. | Hydrogen cyanide, Carbon dioxide, Ammonia, and Hydrogen |
| 4. | Hydrogen sulphide, Ammonia, Oxygen, and Hydrogen |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
| Statement I: | ‘A’ denotes ‘crocodilians’ that have a four chambered heart and endothermy similar to the birds and the mammals. |
| Statement II: | ‘B’ denotes ‘Archaeopteryx’, a connecting link between reptiles and birds and has been found as a complete specimen preserved as fossil. |
2. Statement I is correct; Statement II is correct
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
Sorry!! currently, the explanation for the question is not provided. If you need further help, please email at support@neetprep.com with subject: Explanation Missing for Question Id: 359139
Sorry!! currently, the explanation for the question is not provided. If you need further help, please email at support@neetprep.com with subject: Explanation Missing for Question Id: 359139
© 2024 GoodEd Technologies Pvt. Ltd.