Everyday Science – Ecology

Which of the following branches of science is concerned with the study of relationship of plants with their environment ?

The functional unit in ecology.

An ecosystem consists of.

The best example of an ecological community is.

Agroecologhy relates.

Ecology of a population is known as.

Autecology deals with ecology of.

The reaction between living and non-living in an ecosystem is known as.

The study of ecology with pyramids was invented by.

The energy relationships in an ecosystem can be studied with the help of.

Biotic factors in an ecosystem are.

The flow of energy in ecosystem is.

The aphotic zone means that light is.

Bacteria utilising radiant energy to prepare food are.

Which are producer organisms ?

What are top carnivores?

Macro consumers are known as.

An organism eating its own species is called.

A small organism depending upon for its livelihood on a bigger organism is called .

Organisms that live in the deep sea are mainly.

The mineral substances in the bodies of organisms are released to the environment by.

It is said that the spiders of the Himalayas are native to the highest territory higher than any animal of Earth Spiders are carnivores.Therefore,they must thrive by.

Xerophytes are plants living in.

What are mesophytes ?

‘Niche’ refers to.

The most crucial event in nature governing nutrient balance is.

What do you mean by lentic biota ?

Around the planet Earth, all living organisms form a.

Light compensation zone refers to.

Which one of the following strongly threatens biodiversity ?

Which of the following is abiotic factor of environment ?

Which one of the following does provide the best estimate of world,s biological diversity ?
Of about ten million species Of about thirty million living
probably alive today ,some 20 species some 50 are lost
species are lost every day every day,most of them

In very hot climate,one is likely to find.

A simple sequence in which the grass grows a cow eats the grass,a human cats the cow or drinks its milk an example of.

Primary producers are.

Phytoplanktons in a pond ecosystem are.

What are halophytes ?

The two most prevalent ions in the marine habitat are.

A hydrophyte is.

Plants which are attached to the stones.

Aquaculture is the.

Plants growing in sunlight are called.

Aquatic plants with floating leaves.

The Red Sea derives its name from the.

Plankton are.

The part of aquatic medium which has a gradually declining temperature range is called.

Nektons are those organisms.

Population refers to.

Which one of the following ecosystem is the largest in the world ?

Timberline shows.

One way of checking the expansion of the Thar Desert would be.

A prairie is.

The nutrition in which food is devoured is called.

Organisms,which make their own food are called.

Herbivores are called.

Organisms that take only raw plant products as their food are called.

Green plants produce food by the.

Organisms that eat the excreta of other organisms are called.

Animals that take only dead flesh as their food are called.

Some plants feed upon insects for their nitrogen requirements. They are called insectivorous plants.Which of the following is such a plant ?