Human Reproduction — BIOLOGY STD 12 Science — Question

$I$. Insulin for curing diabetes, used to be extracted from the pancreas of slaughtered pig and cattle

$II$. Animal insulin is slighty different from the human insulin

$III$. Animal insulin causes some undesirable side effects such as allergy

$IV$. Bacteria cannot be made to synthesise insulin from its gene because of the presence of introns

Choose the correct option

Statement $I$:

Mendel studied seven pairs of contrasting traits in pea plants and proposed the Laws of Inheritance

Statement $II$ :

Seven characters examined by Mendel in his experiment on pea plants were seed shape and colour, flower colour, pod shape and colour, flower position and stem height

In the light of the above statements, choose the correct answer from the options given below:

$(1)$ Many members of the genus glomusinvolved micorrhiza

$(2)$ It is responsible for all mineralsabsorption from the soil

$(3)$ Such associations show benefitsagainst draught and salinity in plants

$(4)$ Micorrhiza is a symbiotic relation ofalgae and plants