Nutrition in Plants Test - 4

The leaf lobes of the Venus fly-trap plant contain glands that secrete a sugary juice to attract insects. When an insect sits on the leaf lobes, the flap of the lobe closes to trap the insect inside.

Desert plants have tiny, spine-like leaves to reduce the loss of water by transpiration.

Photosynthetic nutrition is a type of autotrophic nutrition in plants.

Although some plants do not have green leaves, they still have chlorophyll in them. Therefore, photosynthesis also takes place in plants having different coloured leaves.

The inner surface of the pitcher plant has hair which entangles the insect as it gets trapped inside the pitcher.

Plants which lack chlorophyll cannot carry out photosynthesis. Hence, they depend on heterotrophic mode of nutrition.

Carbon dioxide gas is taken in by the stomatal pores of the leaves to initiate the process of photosynthesis.

Rhizobium bacteria present in the root nodules of leguminous plants fix up atmospheric nitrogen into the soil. They convert nitrogen gas present in air into nitrogenous compounds like nitrates.

Fungi require warm and humid environment for their growth which is mostly available in the rainy season. Therefore, maximum spoilage of food, clothes and other organic materials takes place during the rainy season due to the increased activity of fungi.

Plants which lack chlorophyll cannot carry out photosynthesis. Hence, they depend on heterotrophic mode of nutrition.