STD 11 - 11. photosynthesis in higher plants — NEET STD 11 Science — Question

$I.$ In microinjection method foreign $DNA$ is directly injected into the nucleus of animal cell or plant cell by using micro needles or micro pipettes

$II.$ Microinjection method is used in oocytes, eggs and embryo

$III.$ Electroporation is the formation of temporary pores in the plasma membrane of host cell by using lysozyme or calcium chloride

$IV.$ In chemical mediated gene transfer method certain chemicals such as $\mathrm{CO}_{2}$ help foreign $DNA$ to enter the host cell

Which of the statements given above are correct?

$Y$ - The diversity of plants and animals is not uniform throughout the world but show a rather uneven distribution.

$Z$ - Species - area relationships was given by Alexander Von Humboldt.

$X -Y -Z$

$I$. reduced reliance on chemical pesticides

$II$. reduced post-harvest losses

$III$. increased efficiency of minerals used by the plants

$IV$. enhanced nutritional value of the food

Which of the statements given above are correct?

$R$ : It represents species of taxonomically different groups occurring in equal balance.