Name any two sources of e-Wastes and write two different ways for their disposal.
The two sources of e-waste are:
Irreparable computers and electronic goods.
Two different ways for their disposals are
(i) They can be buried in landfills.
(ii) They are incinerated.
In a cross between two tall pea plants some of the off-springs produced were dwarf. Show with the help of Punnett square how this is possible.
A student on a school trip started sneezing and wheezing soon after reaching the hill station for no explained reasons. But, on return to the plains, the symptoms disappeared. What is such a response called? How does the body produce it?
Write the function of adenosine deaminase enzyme. State the cause of ADA deficiency in humans. Mention a possible permanent cure for ADA deficiency patient.
(a) Mention the difference in the mode of action of exonuclease and endonuclease.
(b)How does restriction endonuclease function?Draw a diagram of the microscopic structure of human sperm. Label the following parts in it and write their functions.
(a) Acrosome
(b) Nucleus
(c) Middle piece
