How Parrots Can Talk Like Humans | Biology Facts | Doubtnut | Shivangi Ma'am

The following is a food chain that ends with human : plants to bee to human (a) Explain how plants provide food for bees. (b) How do bees provide food for humans ? (c) How does this food chain differ from a usual food chain involving human such as : plants to goat to human ? (d) Do you think that the food chain given in this question can really be regarded as a food chain ? Explain your answer.

parliamentary debater, what have you done ? You are probably very clever, full of facts. Anybody can pick up facts, but we are human beings, not factual machines, not __________ routine automatons. But again, sirs, you are not interested.

Four books, one each in Chemistry, Physics, Biology and Mathematics are to be arranged in a shelf. In how many ways can this be done?

Three alleles namely I^A,I^B and I control the blood grouping in human beings.How many different genotypes are likely to be present in the human population ?