List of top Botany Questions on Ecology and Environment asked in AP EAPCET

Assertion (A): The four levels of Biological organization are - organisms, populations, communities and Biomes. Reason (R): Since plant ecology and Animal ecology can not be separated both can be considered as Ecology.

If 48 Lbs/year $CO_2$ was absorbed by a single tree and $O_2$ released by it supports 2 human beings, How many minimum number of trees require per acre to support 120 human beings, if an acre trees can support oxygen for 18 people per year.

Name the plants grow in shady places and growing in direct sunlight are called respectively: A. Heliophytes
B. Sciophytes
C. Mesophytes
D. Hydrophytes