State any 3 reasons for which these types of animals are being produced. Ans. Transgenic animals ar…
Name the transgenie animal having the largest number amongst all the existing transgenic animals. A…
What are transgeric animals ? Ans. Transgenic animals are organisms that have had their genetic mat…
The Ecological pyramids may have an ‘upright’ or an ‘inverted’ shape. Justify with the help of suit…
What does an ecological pyramid represent ? Ans. An ecological pyramid represents the trophic (feed…
Tropical regions harbour more species than the temperate regions. How have biologists tried to expl…
Write the conclusion they arrived at the end of their experiment. Ans. At the end of their experime…
State the importance of () blending and (2) contrifugation in their experiment. Ans. Blending: Blen…
Why did Hershey and Chase use «35S’ and 32p’ in their experiment? Explain. Ans. Hershey and Chase u…
Anthropogenic action can enhance the rate of evolution. Explain with the help of an example. Ans. A…
In England after industrialisation, the population of dark winged moths were more favoured than whi…
Identify the type of natural selection depicted in the graph above. Ans. The type of natural select…
