NEET BIOLOGY

Detailed explanation-1: -Floral nectar is presented inside the flower close to the reproductive organs and rewards animals that perform pollination while visiting the flower. In both cases nectar is a source of carbon and nitrogen compounds that feed animals, the most abundant solutes being sugars and amino acids.

Detailed explanation-2: -Nectar in flowers serves chiefly to attract pollinators, such as fruit-eating bats, hummingbirds, sunbirds, and insects. Nectaries are usually located at the base of the flower stamens, which draw animal visitors into contact with the pollen to be transferred.

Detailed explanation-3: -Flowers produce nectar as a reward for pollination, the process of transferring pollen from flower to flower. Many flowers need pollen to reproduce. However, because plants are immobile they need help with pollen transfer. An animal that transfers pollen from flower to flower is called a pollinator.

Detailed explanation-4: -Nectar is an essential resource for all pollinators, containing the sugars from which organisms derive energy. Nectar is primarily a mixture of sugar and water, but also contains free amino acids, proteins, inorganic ions and secondary plant compounds (plant defence chemicals) (Nicolson and Thornburg, 2007).

Detailed explanation-5: -Introduction. Nectar is a sugar-rich solution which is produced by most angiosperm plants to fulfill extensive functions, e.g., the attraction of pollinators and protection against herbivores (Brandenburg et al., 2009; González-Teuber and Heil, 2009; Adler et al., 2012).