A student of taxonomy was puzzled when told by his professor to look for a key to identify a plant. He went to his friend to clarify what 'Key' the professor was referring to? What would the friend explain to him?

While teaching respiration professor said that oxygen is important for respiration in humans, Rakesh kept thinking, where exactly oxygen is required during cellular respiration? What would be the correct explanation for his doubt?

Rakesh went for a study tour to the nearest national park. There he found some different plant species. He was not aware about their names and family. He wanted to bring that plants to his college and keep them for longer of time, so that he can study them throughly. What should he do in such a situation?

While doing his Ph.D. In plant Taxonomy your friend has come across a plant, which he feels is a new species. How can he confirm the same?

Answer the following : During a field visit an Andaman, Rahul observed that some volunteers were not allowing tourist to collect shells from the beaches. When he asked his teacher, she replied that it is an attempt to protect the ecosystem and explained the importance of seashells. What might have been her explanation?

Question based on paragraph Students were taken to observe the crop cultivation in a potato farm in Maharashtra. The students observed that the yield of crops in Mr. Shyam's potato farm was more than that in his neighbour Bharat’s potato farm. Mr. Shyam was using a different variety of the crop, which he suggests has been disease-free ever since he planted the seeds. Based on the above passage, answer the given question What type of crop do you think Mr. Shyam must be using?

Question based on paragraph Students were taken to observe the crop cultivation in a potato farm in Maharashtra. The students observed that the yield of crops in Mr. Shyam's potato farm was more than that in his neighbour Bharat’s potato farm. Mr. Shyam was using a different variety of the crop, which he suggests has been disease-free ever since he planted the seeds. Based on the above passage, answer the given question Apart from improved yield what added advantage did Mr. Shyam’s crops have?