Pancreas has two types of cells namely islets of Langerhans and acinar cells. In the early years of research on diabetes, extract of this gland was tested on diabetic patients. Resutls are tabulated below. (i) Extract of pancereas -
(ii) Islet cell extract +
(iii) Acinar cell extract -
The correct interpretation is that

Assertion : Type-I diabetes is caused by destruction of B cells of islets of Langerhans. Reason : Insulin can be taken as pills.

Assertion : Type-I diabetes is caused by destruction of B cells of islets of Langerhans. Reason : Insulin can be taken as pills.

During the extraction of aluminimum by Hall - He'rault process, i) Write neat labelled diagram of elecctrolytic cell. ii) Write over all cell reaction. iii) At which electrode oxygen gas is liberated?

With the advent of DNA technology tool is available to identify a criminal or to the real parents. (a) Name this technique. (b) Write the missing steps in the procedure given below. Three of these steps are mentioned in the flow chart. (i) Extraction of DNA from the cells (ii) .......(iii) DNA is cut into fragments by restriction enzyme (iv) ..... (v)...... (vi). ....(vii) Autoradiography

With the advent of DNA technology tool is available to identify a criminal or to the real parents. (a) Name this technique. (b) Write the missing steps in the procedure given below. Three of these steps are mentioned in the flow chart. (i) Extraction of DNA from the cells (ii) .......(iii) DNA is cut into fragments by restriction enzyme (iv) ..... (v)...... (vi). ....(vii) Autoradiography

With the advent of DNA technology tool is available to identify a criminal or to the real parents. (a) Name this technique. (b) Write the missing steps in the procedure given below. Three of these steps are mentioned in the flow chart. (i) Extraction of DNA from the cells (ii) .......(iii) DNA is cut into fragments by restriction enzyme (iv) ..... (v)...... (vi). ....(vii) Autoradiography

With the advent of DNA technology tool is available to identify a criminal or to the real parents. (a) Name this technique. (b) Write the missing steps in the procedure given below. Three of these steps are mentioned in the flow chart. (i) Extraction of DNA from the cells (ii) .......(iii) DNA is cut into fragments by restriction enzyme (iv) ..... (v)...... (vi). ....(vii) Autoradiography

(a) Name the secretions of the following structures : (i) Lobules of pancreas (ii) Islets of Langerhans (b) What is the role of insulin and glucagon hormones ? Name the cells which secrete them.