Tag: types of nutrition in plants

Utricularia are carnivorous plants which capture small prey with remarkable suction traps. These are rootless plants formed of very thin, forked leaves. Only the flower remain out of the water while the whole trap is underwater. When an aquatic animal touches its sensitive hairs, the traps suck it in, in just a few seconds, along with water, which is then drained through its walls.

Plants which synthesise their food themselves are called autotrophs. That is, it doesn't depend on other organisms for food, using sunlight and water the plants makes their own food. They are considered as the producers in a food chain. Saprotrophs are the plants which feeds from the dead and decayed organic matters knows as detritius. Major saprotroph group includes fungi, bacteria and water molds.

Bt toxin gene has been closed from the bacteria and expressed in plants to provide resistance to insects without the need for insecticides. Examples are Bt cotton, Bt corn, rice, tomato, potato and soybean, etc.

Vivipary is a condition where seeds germinate on the plant. Most of the food crops are annuals and seeds are consumed as food. Therefore, if seeds germinate on the plant they cannot be utilized as food nor can they be stored for the next season. So, the correct answer is 'The seeds cannot be stored under normal conditions for next season'

A bisexual flower (or “perfect”) has both stamens and carpels, and a unisexual flower (or “imperfect”) lacks stamens is called staminate.

(A) Insectivorous plants are the plants that feed on insects.