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Recent questions in Biology

Questions >> JEEMAIN and NEET >> Biology

Biology

Diversity in Living World

Structural Organisation in Animals and Plants

Cell Structure and Formation

Plant Physiology

Human Physiology

Genetics and Evolution

Biology in Human Welfare

Biotechnology and its Applications

Ecology and Environment

Biotechnology - Principles and Processes

Copepods are ectoparasites on :-

asked Mar 28, 2014 by sreemathi.v

1 answer

Exponential growth occurs when there is :-

asked Mar 28, 2014 by sreemathi.v

1 answer

Which group of vertebrates comprises the highest number of endangered species:-

asked Mar 28, 2014 by sreemathi.v

1 answer

Red data book provides data on :-

asked Mar 28, 2014 by sreemathi.v

1 answer

Which of the following is best indicator of $SO_2$ pollution:-

asked Mar 28, 2014 by sreemathi.v

1 answer

Hotspots are regions of high

asked Mar 28, 2014 by sreemathi.v

1 answer

All are in-situ efforts except :-

asked Mar 28, 2014 by sreemathi.v

1 answer

The most important reason for decrease in biodiversity is :-

asked Mar 28, 2014 by sreemathi.v

1 answer

Biodiversity :-

asked Mar 28, 2014 by sreemathi.v

1 answer

Approximately 50% of total would species are present on:-

asked Mar 28, 2014 by sreemathi.v

1 answer

Which of the following region has maximum diversity?

asked Mar 28, 2014 by sreemathi.v

2 answers

IUCN is also called as

asked Mar 28, 2014 by sreemathi.v

1 answer

Sum total of populations of the same kind of organisms constitute :-

asked Mar 28, 2014 by sreemathi.v

1 answer

Pyramid of numbers deals with the number of :-

asked Mar 28, 2014 by sreemathi.v

1 answer

Carrying capacity of a population is determined by its:-

asked Mar 28, 2014 by sreemathi.v

1 answer

Poineer in xerarch succession is :-

asked Mar 28, 2014 by sreemathi.v

1 answer

All the statements are correct regarding succession except :-

asked Mar 27, 2014 by sreemathi.v

1 answer

Succession initiated an large sand deposits of deserts is called:-

asked Mar 27, 2014 by sreemathi.v

1 answer

Biotic potential is counteracted by :-

asked Mar 27, 2014 by sreemathi.v

1 answer

species that occur in different geographical regions seperated by special barriers are :-

asked Mar 27, 2014 by sreemathi.v

1 answer

Trophic levels are formed by :-

asked Mar 27, 2014 by sreemathi.v

1 answer

Source of energy in an ecosystem is :-

asked Mar 27, 2014 by sreemathi.v

1 answer

An eco system must have a continuous external source of

asked Mar 27, 2014 by sreemathi.v

1 answer

Ecotype is a type of species in which environmentally induced variations are :-

asked Mar 27, 2014 by sreemathi.v

1 answer

Autoecology deals with :-

asked Mar 27, 2014 by sreemathi.v

1 answer

Ecology deals with the study of

asked Mar 27, 2014 by sreemathi.v

1 answer

Which is an effect of global warming?

asked Mar 27, 2014 by sreemathi.v

1 answer

The functioning of an ecosystem is governed by :-

asked Mar 27, 2014 by sreemathi.v

1 answer

Which of the following is most productive?

asked Mar 27, 2014 by sreemathi.v

1 answer

Which type of pyramid shows biotic potential of ecosystem?

asked Mar 27, 2014 by sreemathi.v

1 answer

In which condition nutrient retention (Bio mass) is higher in case of young growing forest?

asked Mar 27, 2014 by sreemathi.v

1 answer

Which of the following is not correct?

asked Mar 27, 2014 by sreemathi.v

1 answer

Which of the following expected to have the highest value (in gm/m$^2$ yr) in a grassland?

asked Mar 27, 2014 by sreemathi.v

1 answer

Which is correct for threatened (T) species?

asked Mar 27, 2014 by sreemathi.v

1 answer

Ozone is gaseous " secondary " air pollutant,because:-

asked Mar 27, 2014 by sreemathi.v

1 answer

The share of CFC in green house effect is :-

asked Mar 27, 2014 by sreemathi.v

1 answer

The aim of earth summit held at rio- de- janeiro in 1992:-

asked Mar 27, 2014 by sreemathi.v

1 answer

Which is not a positive soil pollution:-

asked Mar 27, 2014 by sreemathi.v

1 answer

Which is not a part of ex-situ conservation :-

asked Mar 27, 2014 by sreemathi.v

1 answer

The branch of botany dealing with the distribution of plants or earth's surface is turned:-

asked Mar 27, 2014 by sreemathi.v

1 answer

In 1987,27 industrialised countries signed the montreal protocol,an international agreement :-

asked Mar 27, 2014 by sreemathi.v

1 answer

Which one of the following is most stable ecosystem?

asked Mar 27, 2014 by sreemathi.v

1 answer

A food rule:-

asked Mar 27, 2014 by sreemathi.v

1 answer

What percentage of sun's energy sustains the entire living world?

asked Mar 27, 2014 by sreemathi.v

1 answer

Success of mammals is largely due to their

asked Mar 27, 2014 by sreemathi.v

1 answer

To which stages A, B corresponds ? When is B completed? What are the values of x, y, z ?

asked Mar 26, 2014 by pady_1

1 answer

To which stages A, B, C, D corresponds ? What are the values of x, y, z (choose the appropriate option)?

asked Mar 26, 2014 by pady_1

1 answer

Identify A, B, C in order in the picture - What happens at the point D (choose the appropriate option) :

asked Mar 26, 2014 by pady_1

1 answer

Identify A, B, C, D, E and F in order in the picture - choose the appropriate option :

asked Mar 26, 2014 by pady_1

1 answer

The embryo with 8 to 16 blastomeres is called a _______ (e), which continues to divide and transforms into (g) as it moves further into the uterus. The blastomeres are arranged into an outer layer called _ (J) and an inner group of cells attached to trophoblast called the __________ (I). What is (h) and what does it imply?

asked Mar 26, 2014 by pady_1

1 answer

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