1993The response shown by the tips of the root and shoot of a plant to the stimulus of gravity isSee more
1993The most important physical factor which affects an organism living in the intertidal zone of the seashore isSee more
1993What is the term used to describe the sum total of biotic and abiotic factors in the environment of the organism?See more
1993Which group of plants would be the first colonizers in an ecological succession changing rocks to soil?See more
1993Which of the following instruments is NOT used in measuring abiotic factors in any habitat?See more
1993Two organisms of different species, living in close association but not dependent on each other are referred to asSee more
1993At which trophic level would the highest accumulation of a non-biodegradable substance occur?See more