Question
Define acquired immunity and describe its types.

Answer

Get the step-by-step solution for this question inside the Vidyadip app.

Get the answer in the app

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

How have pest-resistant plants been produced using biotechnology? Explain.
Give reasons why:
Groundnut seeds are exalbuminous and castor seeds are albuminous.
Microbes can be used to decrease the use of chemical fertilisers and pesticides. Explain how this can be accomplished.
It has often been seen that phenotype of F1 offspring resembles to both the parents. Justify your by taking the example of inheritance of ABO blood group in human being.
A. Cryptorchidism is a condition in which the testes fail to descend into the scrotum. It can also lead to compromised Sertoli cell function and has an impact on Leydig cell function.
(i) Identify at least 3 parameters of male fertility which get affected due to cryptorchidism.
(ii) Which process will be affected if mature spermatids are not released from Sertoli cells?
(iii) Name and explain one assisted reproductive technology (ART process) in which the sperm/semen is used to assist fertilization.
(iv) Name and explain the assisted reproductive technology that should be used to complete the development of embryos I and II shown in the figure given below.
Describe the various evidences from palaeontology which support organic evolution.
Give an account of Hershey and Chase experiment. What did it conclusively prove? If both DNA and proteins contained phosphorus and sulphur do you think the result would have been the same?
Answer the following questions:
Draw a labelled diagram of a sectional view of human seminiferous tubule.
More than 25% of human population is suffering from hunger and malnutrition. Scientists have developed techniques where microbes are grown on industrial scale as a source of good protein which can be grown from waste water, animal manure and even sewage.
Based on the above information answer the following questions.
  1. In what ways would it be helpful to humans?
  2. What can be the response to such new ventures?
  3. What values have been manifested in the above case?
Draw a diagrammatic labelled sectional view of a seminiferous tubule of a human.