The polyploidy which occurs within a species & results due to multiplication of the same set of chromosomes is called autopolyploidy.

Correct Option: A

The polyploidy which occurs within a species & results due to multiplication of the same set of chromosomes is called autopolyploidy.

Xylem vessels and cork cells are dead while sieve tube cells do not possess nuclei.

Correct Option: C

Xylem vessels and cork cells are dead while sieve tube cells do not possess nuclei.

It was genetically modified to get high lipid contents.

Correct Option: D

It was genetically modified to get high lipid contents.

Polyethylene glycol and sodium nitrate play an important role in the fusion of protoplasts from the same or different species. It is done for the formation of somatic hybrid cells. This process is adopted when normal sexual reproduction is not possible for the production of hybrids

Correct Option: A

Polyethylene glycol and sodium nitrate play an important role in the fusion of protoplasts from the same or different species. It is done for the formation of somatic hybrid cells. This process is adopted when normal sexual reproduction is not possible for the production of hybrids

Development of embryo like structure from explant by the method of tissue culture, is called somatic embryogenesis.

Correct Option: A

Development of embryo like structure from explant by the method of tissue culture, is called somatic embryogenesis.