Organisms and Populations Mocktest MHT-CET 2023

The study of inter-relationship between living organisms and their environment is called

constitutes a large regional terrestrial unit delimited by a specific climatic zone having major vegetation zone (plant communities) and the associated fauna

Biome with least rainfall and high temperature is

Find out ODD one with respect to component of an ecosystem.

____deals with the physical space occupied by the organisms

Position of the organism in the environmental gradients is called

The key abiotic factors that influence any habitat are

The organisms which can tolerate and thrive in a wide range of temperature are called

The dissolved salt concentration is _____ in fresh waters of streams

The organisms which are tolerant for a wide range of salinities are called

____are restricted to a narrow range of salinities

Properties of soil that determine the vegetations of an area are

An ability of organism to maintain the constancy of its internal environment despite varying external environmental conditions is called

The organisms which are able to maintain homeostasis by physiological and behavioural changes are called

Desert plants show following adaptations, EXCEPT

Some species in desert, burrow into the sand to hide and escape from the heat, such adaptation is

_____ is an important area of ecology which links ecology to population dynamics, genetic and evolution

Which of the following are characteristics of population?

_____ is the number of individuals present per unit space in a given time

_____ is the birth rate of a population.

Which of the following age groups fall in the pre-reproductive age category?

Which of the following factors can cause change in population size'?

Population growth of a country depends upon

_______ is the number of individuals of the same species that have come into the habitat from elsewhere during the time period under consideration

The biological interaction between organisms of same population is called

Which of the following is negative interaction?

Mutualism between two species can be represented as

Biological interaction between organisms of different species in which each individual receives benefit is called

Mutualism is an interaction between two species in which

Relationship between organisms of different species where one organism is benefited and other is harmed is called

An organism which caries another organism to host is called

All are examples of ectoparasites, EXCEPT

A type of parasitism in which parasitic bird lays its egg in the nest of its host bird is called

Biological control methods adopted in agricultural pest control are based on

Adaptation in which organism matches its colour with surrounding to get protected from predators is called

Which of the following is WRONG with respect to Niche?

Which one of the following plants shows morphological means of defence to avoid herbivores

____ is an interaction in which one species is benefited and other is neither harmed nor benefited

The orchid growing as epiphyte on tree is good example of

The term 'niche' was first used by