Exams › NEET › Biology › Plant Ecology
4 questions with worked solutions.
Q1. Phyllosphere bacteria are present around the
Answer: Leaf surface of tropical rain forest plants
Phyllosphere bacteria inhabit the above-ground surfaces of plants, especially leaves. Tropical rain forest leaves provide warm, humid conditions that favor dense bacterial populations, making them a classic phyllosphere habitat.
Q2. Soil hold water in it, it is called as
Answer: Soil moisture
Water held in the soil is called soil moisture. Groundwater refers to water stored below the water table, while soil moisture is the water contained in the upper soil layers.
Q3. During adverse season, therophytes survive as
Answer: seed
Therophytes are annual plants that die after producing offspring, so they do not survive the adverse season as an underground vegetative organ. They persist as seeds, which can remain dormant and germinate when favorable conditions return.
Q4. Parachute type of mechanism of seed dispersal is found in
Answer: Taraxacum/ compositae
Taraxacum has seeds with a pappus, a tuft of hairs that increases surface area and lets wind carry them away. This parachute-like adaptation is characteristic of many members of Compositae.