STD 12 - 1. sexual reproduction in flowering plants — NEET STD 11 Science — Question

Choose incorrect pair.

Which group includes diverse organisms that have an infectious spore like stage in their life cycle ?

Factors which play significant role in the formation of major biomes are

Classification of organisms on the basis of fossils record that play important role in elucidation of evolutionary relationships is

Sexual system of classification is

Most important criteria used for the present day classification of living organisms is based on

Read the following.
(i) Electron transport between PS-II to PS-I produces ATP by substrate level phosphorylation.
(ii) In PS-II, the oxidation of two water molecules produces four electrons, four protons, & a single O₂.
(iii) PS-II reduces NADP+ to NADPH.
(iv) Light and dark reactions are stopped in the absence of light.
(v) Calvin cycle occurs in the grana of chloroplast.
(vi) ATP is produced during light reaction via chemiosmosis.
(vii) The C₄ plants respond to higher temperatures while C₃ plants have a much lower temperature optimum.
(viii) Temperate plants have a higher temperature optimum than the plants adapted to tropical climates.
(ix) Some C₃ plants are allowed to grow in CO₂ enriched atmosphere that leads to higher yields.
(x) Water stress causes the stomata to remain open hence enhancing the CO₂ availability.
choose the incorrect statements.

In food chain initial organisms are