Biology questions
20584 published questions with worked solutions.
- The first step in PCR technique is [MHTCET 2011]
- Genetically engineered bacteria is used for the production of [MHTCET 2007]
- The study of interactions among organisms and between the organism and its physical (abiotic) environment is
- An association of individuals of different species living in the same habitat and having functional interaction is
- Different organisms are adapted to their environment in terms of not only survival but also reproduction. This statement belongs...
- Forest floors, tree canopies and edges of a pond are an example of
- A defined range of conditions that an organism can tolerate, diversity in the resources it utilizes and a distinct functional...
- Attributes of the organisms (morphological, physiological and behavioral) that enable organisms to survive and reproduce in its...
- Population is the total number of
- The age structure of a population represents
- When there is a large number of post-reproductive or older individuals and lesser number of pre-reproductive individuals, then...
- Population size is more technically called
- Population density of a population in a given habitat during a given period fluctuates due to the change in
- Natality refers to
- Exponential growth occurs when
- Logistic growth occurs when there is
- Which of the following is true regarding exponential growth?
- The population interaction in which free-living organism that catches, kills and devours individuals of other species called prey...
- Predation is
- An interaction in which one organism is benefitted and other is unaffected.