Why cornea can be easily transplanted?

These questions consist of two statements each,printed as Assertion and Reason.While answering these questions you are required to chose any one of the following four responses. If both Assertion and Reason are true and Reason in correct explanation of Assertion. If both assertion and Reason are true but reason is not correct explanation of Assertion. If Assertion is true but Reason is false. If both Assertion and Reason are false. Assertion:Cornea cannot be easily transplanted from one person to another. Reason:Cornea immediately initiates immunorejection as stimulates immune system of the recipient.

What is transplanting?

Pea seeds when soaked in water for 3-4 hours can be easily split into two equal parts. What can you infer from this?

The cap of the pen can be easily opened with the help of tw fingers than with one finger. Explain why.

Aryl chlorides and bromides can be easily prepared by electrophilic substitution of arenes with chlorine and bromine respectively in the presence of Lewis acid catalysts. But why does preparation of aryl iodides requires presence of an oxidising agent ?

Freshly Prepared precipitates can be easily dispersed by shaking it with dispersion medium. This process is called