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

$(I)$ Biodiversity throughout the world shows uneven distribution.

$(II)$ According to latitudinal gradient there is no major difference in biodiversity.

$(III)$ Species diversity increases as we move away from equator towards the poles.

$(IV)$ Biodiversity increases as we move from temperate to tropical region.

$I.$ The bacteria Bacillusthuringiensis $(B t)$ are used to control butterfly catterpillers

$II.$ Fresh spores of $B t$ are mixed with water and sprayed on seeds such as brassicas and fruit trees

$III.$ Insect larvae, after eating these are killed by the toxin released in their gut

$IV.$ Bt toxin genes have been introduced into plants to provide resistance to pests

Which of the statements given above are correct?

$R$ : It is only utilisation of part of food manufactured by primary producers in building of consumer biomass.

$(i)$ Classification is providing standardized names to organisms such that a particular organism known by the same all over the world.

$(ii)$ Taxonomy is the correct description of an organism and to recognition in its scientific name.

$(iii)$ The system of naming with two components (binomial nomenclature) is proposed by Carolus Linneaus.

$(iv)$ Zoological names are based on International Code for Zoological Nomenclature $(ICZN)$.