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Recent questions tagged botany

Match the items of column I with the appropriate items in column II:

asked Apr 2, 2014 by sreemathi.v

1 answer

Match the items of column I with the appropriate items in column II:

asked Apr 2, 2014 by sreemathi.v

1 answer

Maximum green house gases are released by which country :-

asked Apr 2, 2014 by sreemathi.v

1 answer

The cutting of trees from the forests of hill near catchment area

asked Apr 2, 2014 by sreemathi.v

1 answer

Due to extinction of pollinator bee,a plant with obligate mutualism with this bee got extinct.This can be placed in which cause of extinction?

asked Apr 2, 2014 by sreemathi.v

1 answer

According to an estimate by Robert May, total species diversity is about:

asked Apr 2, 2014 by sreemathi.v

1 answer

Mild grazing in grassland by herbivores:-

asked Apr 2, 2014 by sreemathi.v

1 answer

Frequent blooms in a pond indicate:-

asked Apr 2, 2014 by sreemathi.v

1 answer

Which type of act has been formed for restriction & prohibition on hunting of animals & protection of specified plants?

asked Apr 2, 2014 by sreemathi.v

1 answer

Which of the following acts as a reservoir for phosphorus:-

asked Apr 1, 2014 by sreemathi.v

1 answer

Final community which stays in equillibrium with the environment is called :-

asked Apr 1, 2014 by sreemathi.v

1 answer

Sources of energy in deep sea water is/are:-

asked Apr 1, 2014 by sreemathi.v

1 answer

Mass of living matter at a trophic level in an area at any time is called:-

asked Apr 1, 2014 by sreemathi.v

1 answer

Annual net productivity of a biosphere is approx.equal to :

asked Apr 1, 2014 by sreemathi.v

1 answer

Functional unit of nature is :-

asked Apr 1, 2014 by sreemathi.v

1 answer

Mutualism can be represented as :-

asked Apr 1, 2014 by sreemathi.v

1 answer

Normal growth graph in a population is :-

asked Apr 1, 2014 by sreemathi.v

1 answer

Which of the following is correct:-($N_t$=Population at time t,$N_{t+1}$=Population after a unit,$B$=Natality,D=Mortality,I=Immigration time,E=Emigration)

asked Apr 1, 2014 by sreemathi.v

1 answer

Chimpanzee,Great Indian Bustard,Pygmy hog,Coral tree,Peacock tarantula,Forest coconut,Golden headed langur,Brown spider monkey,Siberian tiger,Leatherback turtle,Dodo.How many among there are threatened

asked Mar 31, 2014 by sreemathi.v

1 answer

Chimpanzee,Great Indian Bustard,Pygmy hog,Coral tree,Peacock tarantula,Forest coconut,Golden headed langur,Brown spider monkey,Siberian tiger,Leatherback turtle,Dodo.How many among there are critically endangered

asked Mar 31, 2014 by sreemathi.v

1 answer

Copenhagen earth summit was

asked Mar 31, 2014 by sreemathi.v

1 answer

Following the montreal protocol,by which year is it expected that ozone will be recovered

asked Mar 31, 2014 by sreemathi.v

1 answer

Since being applicable,how many times has the montreal protocol been revised?

asked Mar 31, 2014 by sreemathi.v

1 answer

How many countries have ratified the montreal protocol:-

asked Mar 31, 2014 by sreemathi.v

1 answer

Correct stages of hydrarch succession

asked Mar 31, 2014 by sreemathi.v

1 answer

The entire sequence of communities that successively change in a given area are called

asked Mar 31, 2014 by sreemathi.v

1 answer

Drought tolerant fire resistant plant species are found in which biome?

asked Mar 31, 2014 by sreemathi.v

1 answer

Montreal protocol refers to

asked Mar 31, 2014 by sreemathi.v

1 answer

Rivet popper hypothesis explains:

asked Mar 31, 2014 by sreemathi.v

1 answer

Under certain conditions soil nutrients get tied up with the biomass of microbes and becomes temporarily unavailable to other organisms.Such incorporation is known as :-

asked Mar 31, 2014 by sreemathi.v

1 answer

Eutrophication occurs due to :-

asked Mar 31, 2014 by sreemathi.v

1 answer

The figure given below is a diagrammatic representation of response of organisms to abiotic factors.What do A,B and C represent respectively?

asked Mar 31, 2014 by sreemathi.v

1 answer

Which of these statements are true :-\begin{array}{1 1}(1)\;\text{Poineer species always limeade bare land initially} \\(2)\;\text{Succession and evolution parallel processes for primitive earth}\\(3)\;\text{Earthwarm and fungi use the same mechanism for decomposition}\\(4)\;\text{GPP & NPP both are rates of biomass production}\end{array}

asked Mar 31, 2014 by sreemathi.v

1 answer

How many statements are correct for ecosystem sustainability:

asked Mar 31, 2014 by sreemathi.v

1 answer

Lead is considered primarily

asked Mar 31, 2014 by sreemathi.v

1 answer

Cement factory labourers are prone to

asked Mar 31, 2014 by sreemathi.v

1 answer

Minamata disease was caused by pollution of water by :-

asked Mar 31, 2014 by sreemathi.v

1 answer

Regarding the fig. Name the parts and the organism

asked Mar 26, 2014 by pady_1

1 answer

Assigning funcitons to the sequences is called

asked Mar 24, 2014 by pady_1

1 answer

the chromosomal theory of inheritance was proposed by

asked Mar 24, 2014 by pady_1

1 answer

the experimental verification of the chromosomal theory of inheritance was given by

asked Mar 24, 2014 by pady_1

1 answer

The two alleles of a gene pair are located on sites on chromosome

asked Mar 24, 2014 by pady_1

1 answer

The mendels dihydrid cross ration of 9:3:3:1 represents

asked Mar 24, 2014 by pady_1

1 answer

In mendels dihybrid cross the ratio of yellow to green and round to wrinkled was

asked Mar 24, 2014 by pady_1

1 answer

One gene codes for __ phenotype

asked Mar 24, 2014 by pady_1

1 answer

Red flowers (dominant phenotype) are crossed with white flowers( recessive). The amount of essential oils extracted from red flowers is more than that of white. The resulting progency producing pink flowers with high amount of essential oils.This can be best explained as

asked Mar 24, 2014 by pady_1

1 answer

Catalase carries out the conversion of hydrogen peroxide to water and oxygen. One of the alleles express a low turn-over enzyme while the other produces a misfolded protein. The phenotypic ratio of dominant to recisive alleles in this case will be

asked Mar 24, 2014 by pady_1

1 answer

A condition where the genotypic ratio obeys mendelian laws while the phenotypic ratio does not

asked Mar 24, 2014 by pady_1

1 answer

In an experiment where red and white flowers are crossed and the F2 generation not having pink flowers can be explained by

asked Mar 24, 2014 by pady_1

1 answer

Consider red flowers are dominant over blue flowers. When the test cross gives 50% blue and 50 % red, the parent is

asked Mar 24, 2014 by pady_1

1 answer

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