Organism and Population

Question 1

Ecology is basically concerned with four levels of biological organisation:

Answer 1

Organisms, populations, communities, biomes

Question 2

Formation of different biomes across globe depends on two factors, namely:

Answer 2

Annual temperature and precipitation

Question 3

Name four major biomes of India

Answer 3

Tropical rain forest; Deciduous forest; Desert; Sea Coast

Question 4

The most important elements that lead to variation in physical and chemical conditions of different habitats are:

Answer 4

Temperature, water, light and soil

Question 5

The biotic components that characterise the habitat of an organism are:

Answer 5

Pathogens, parasites, predators and competitors

Question 6

The average temperature on land progressively from the equator towards the poles

Answer 6

decreases

Question 7

Extremely hot habitats, where average temperature exceeds 100’C are ____ and ____ .

Answer 7

Thermal springs; deep sea hydrothermal vents

Question 8

Mango trees cannot grow in _____ countries like Canada and gErmany

Answer 8

temperate

Question 9

Tuna fish are rarely caught beyond _____ latitudes in the ocean

Answer 9

tropical

Question 10

A few organism can tolerate and thrive in a wide range of temperature and they are called?

Answer 10

eurythermal

Question 11

A vast majority of organism are restricted to a narrow range of temperatures and they are called?

Answer 11

stenothermal