2014
NEET
MCQ
AIPMT 2014
Just as a person moving from Delhi to Shimla to escape the heat for the duration of hot
summer, thousands of migratory birds from Siberia and other extremely cold northern regions
move to:
A.
Keolado National Park
B.
Meghalaya
C.
Corbett National Park
D.
Western Ghat
2013
NEET
MCQ
NEET 2013 (Karnataka)
Benthic organisms are affected most by :
A.
Surface turbulence of water
B.
Water-holding capacity of soil
C.
Light reaching the forest floor
D.
Sediment characteristics of aquatic ecosystems
2013
NEET
MCQ
NEET 2013 (Karnataka)
Which one of the following is not a parasitic
adaptation ?
A.
Loss of digestive organs
B.
Loss of unnecessary sense organs
C.
Development of adhesive organs
D.
Loss of reproductive capacity
2013
NEET
MCQ
NEET 2013 (Karnataka)
The age pyramid with broad base indicates :
A.
high percentage of young individuals
B.
high percentage of old individuals
C.
a stable population
D.
low percentage of young individuals
2013
NEET
MCQ
NEET 2013
A biologist studied the population of rats in a barn, He found that the average natality was 250, average
mortality 240, immigration 20 and emigration 30. The net increase in population is :
A.
15
B.
05
C.
10
D.
zero
2013
NEET
MCQ
NEET 2013
Besides paddy fields, cyanobacteria are also found inside vegetative part of :
A.
Cycus
B.
Psilotum
C.
Pinus
D.
Equisetum
2013
NEET
MCQ
NEET 2013
A sedentary sea anemone gets attached to the shell lining of hermit crab. The association is :
A.
Commensalism
B.
Commensalism
C.
Ectoparasitism
D.
Symbiosis
2012
NEET
MCQ
AIPMT 2012 Mains
Cuscuta is an example of :
A.
Ectoparasitism
B.
Predation
C.
Endoparasitism
D.
Brood parasitism
2011
NEET
MCQ
AIPMT 2011 Mains
The logistic population growth is expressed by
the equation :
A.
$dt/dN = Nr\left( {{{K - N} \over K}} \right)$
B.
$dN/dt = rN\left( {{{K - N} \over K}} \right)$
C.
$dN/dt = rN\left( {{{N - K} \over N}} \right)$
D.
$dN/dt = rN$
2011
NEET
MCQ
AIPMT 2011 Prelims
Which one of the following is categorised as a
parasite in true sense ?
A.
The female anopheles bites and sucks blood
from humans
B.
Head louse living on the human scalp as
well as laying eggs on human hair
C.
The cuckoo (koel) lays its eggs in crow's
nest
D.
Human foetus developing inside the uterus
draws nourishment from the mother
2011
NEET
MCQ
AIPMT 2011 Prelims
What type of human population is represented
by the following age pyramid ?
A.
Declining population
B.
Vanishing population
C.
Expanding population
D.
Stable population
2011
NEET
MCQ
AIPMT 2011 Prelims
Consider the following four conditions (a – d)
and select the correct pair of them as adaptation
to environment in desert lizards.
The conditions :
(a) burrowing in soil to escape high temperature
(b) losing heat rapidly from the body during high temperature
(c) bask in sun when temperature is low
(d) insulating body due to thick fatty dermis
The conditions :
(a) burrowing in soil to escape high temperature
(b) losing heat rapidly from the body during high temperature
(c) bask in sun when temperature is low
(d) insulating body due to thick fatty dermis
A.
(c), (d)
B.
(b), (d)
C.
(a), (c)
D.
(a), (b)
2011
NEET
MCQ
AIPMT 2011 Prelims
Large Woody Vines are more commonly found in
A.
Mangroves
B.
Tropical rainforests
C.
Alpine forests
D.
Temperate forests
2010
NEET
MCQ
AIPMT 2010 Mains
Which one of the following is most
appropriately defined ?
A.
Parasite is an organism which always lives
inside the body of other organism and may
kill it.
B.
Host is an organism which provides food to
another organism.
C.
Amensalism is a relationship in which one
species is benefited where as the other is
unaffected
D.
Predator is an organism that catches and
kills other organism for food.
2010
NEET
MCQ
AIPMT 2010 Prelims
Which one of the following is one of the
characteristics of a biological community?
A.
Mortality
B.
Sex-ratio
C.
Stratification
D.
Natality
2010
NEET
MCQ
AIPMT 2010 Prelims
The figure given below is a diagrammatic
representation of response of organisms to
abiotic factors. What do a, b and c represent
respectively –
A.
(a) $ \to $ partial
regulator, (b) $ \to $ regulator, (c) $ \to $ conformer
B.
(a) $ \to $ conformer, (b) $ \to $ regulator, (c) $ \to $ partial
regulator
C.
(a) $ \to $ regulator, (b) $ \to $ conformer, (c) $ \to $ partial
regulator
D.
(a) $ \to $ regulator, (b) $ \to $ partial
regulator, (c) $ \to $ conformer
2009
NEET
MCQ
AIPMT 2009
A country with a high rate of population growth
took measures to reduce it. The figure below
shows age-sex pyramids of populations A and B
twenty years apart. Select the correct
interpretation about them : –
A.
"A" is more recent shows slight reduction in
the growth rate
B.
"B" is more recent showing that population
is very young
C.
"A" is the earlier pyramid and no change has
occurred in the growth rate
D.
"B" is earlier pyramid and shows stabilized
growth rate
2009
NEET
MCQ
AIPMT 2009
Reduction in vascular tissue, mechanical tissue
and cuticle is characteristic of :
A.
Xerophytes
B.
Epiphytes
C.
Hydrophytes
D.
Mesophytes
2008
NEET
MCQ
AIPMT 2008
Consider the following four statements (1-4) about
certain desert animals such as kangaroo-rat.
(i) They have dark colour and high rate of reproduction and excrete solid urine
(ii) They do not drink water, breathe at a slow rate to conserve water and have their body covered with thick hairs
(iii) They feed on dry seeds and do not required drinking water
(iv) They excrete very concentrated urine and do not use water to regulate body temperature
Out of these four, which two are correct-
(i) They have dark colour and high rate of reproduction and excrete solid urine
(ii) They do not drink water, breathe at a slow rate to conserve water and have their body covered with thick hairs
(iii) They feed on dry seeds and do not required drinking water
(iv) They excrete very concentrated urine and do not use water to regulate body temperature
Out of these four, which two are correct-
A.
(i) and (ii)
B.
(ii) and (iii)
C.
(iii) and (i)
D.
(iii) and (iv)
2008
NEET
MCQ
AIPMT 2008
Quercus species are the dominant component in:
A.
Temperate deciduous forests
B.
Alpine forests
C.
Scrub forests
D.
Tropical rain forests
2007
NEET
MCQ
AIPMT 2007
If the mean and the median pertaining to a
certain character of a population are of the same
value, the following is most likely to occur:-
A.
A normal distribution
B.
a T-shaped curve
C.
A skewed curve
D.
A bi-modal distribution
2007
NEET
MCQ
AIPMT 2007
The population of an insect species shows an
explosive increase in numbers during rainy
season followed by its disappearance at the end
of the season. What does this show ?
A.
The food plants mature and die at the end
of the rainy season
B.
The population of its predators increases
enormously
C.
Its population growth curve is of J-type
D.
S-shaped or sigmoid growth of this insect
2007
NEET
MCQ
AIPMT 2007
Geometric representation of age structure is a characteristic of :-
A.
Biotic community
B.
Landscape
C.
Ecosystem
D.
Population
2007
NEET
MCQ
AIPMT 2007
A high density of elephant population in an area
can result in :-
A.
Mutualism
B.
Interspecific competition
C.
Predation on one another
D.
Intraspecific competition
2006
NEET
MCQ
AIPMT 2006
Niche overlap indicates-
A.
Sharing of one or more resources between the
two species
B.
Mutualism between two species
C.
Active cooperation between two species
D.
Two different parasites on the same host
2005
NEET
MCQ
AIPMT 2005
Which one of the following pairs in
mismatched ?
A.
Tundra - permafrost
B.
Savanna - acacia trees
C.
Prairie - epiphytes
D.
Coniferous forest - evergreen trees
2005
NEET
MCQ
AIPMT 2005
At which latitude, heat gain through insolation
approximately equals heat loss through
terrestrial radiation -
A.
40o North and South
B.
42${1 \over 2} ^ o$ North and South
C.
66o North and South
D.
22${1 \over 2} ^ o$ North and South
2005
NEET
MCQ
AIPMT 2005
Animals have the innate ability to escape from
predation. Examples for the same are given
below. Select the incorrect example
A.
Poison fangs in snakes
B.
Enlargement of body size by swallowing air
in puffer fish
C.
Colour change in chameleon
D.
Melanism in moths
2005
NEET
MCQ
AIPMT 2005
More than 70% of world's fresh water is
contained in –
A.
Polar ice
B.
Greenland
C.
Antarctica
D.
Glaciers and Mountains
2004
NEET
MCQ
AIPMT 2004
The maximum growth rate occurs in :-
A.
Exponential phase
B.
Stationary phase
C.
Senescent phase
D.
Lag phase
2004
NEET
MCQ
AIPMT 2004
What is a keystone species ?
A.
A dominant species that constitutes a large
proportion of the biomass and which affects
many other species
B.
A species which makes up only a small
proportion of the total biomass of a
community, yet has a huge impact on the
community's organization and survival
C.
A common species that has plenty of
biomass, yet has a fairly low impact on the
community's organization
D.
A rare species that has minimal impact on
the biomass and on other species in the
community
2004
NEET
MCQ
AIPMT 2004
Certain characteristic demographic features of
developing countries are -
A.
High fertility, low or rapidly falling mortality
rate, rapid population growth and a very
young age distribution
B.
High mortality high density, uneven
population growth and a very old age
distribution
C.
High fertility, high density, rapidly rising
mortality rate and very young age distribution
D.
High infant mortality, low fertility, uneven
population growth and a very young age
distribution
2004
NEET
MCQ
AIPMT 2004
In which one of the following habitats does the
diurnal temperature of soil surface vary most ?
A.
Grassland
B.
Desert
C.
Shrub land
D.
Forest
2004
NEET
MCQ
AIPMT 2004
In which of the following pairs is the specific
characteristic of a soil not correctly matched ?
A.
Chernozems – Richest soil in the world
B.
Laterite – Contains aluminium compound
C.
Terra rossa – Most suitable for roses
D.
Black soil – Rich in calcium carbonate
2003
NEET
MCQ
AIPMT 2003
Mycorrhiza is an example of :-
A.
Ectoparasitism
B.
Decomposers
C.
Endoparasitism
D.
Symbiotic relationship
2002
NEET
MCQ
AIPMT 2002
What is true for individuals of same species ?
A.
Live in same habitat
B.
Live in different habitat
C.
Interbreeding
D.
Live in same niche
2002
NEET
MCQ
AIPMT 2002
Two different species can not live for long duration
in the same niche or habitat. This law is : -
A.
Competitive exclusion principal
B.
Weiseman's theory
C.
Allen's law
D.
Gause's hypothesis
2002
NEET
MCQ
AIPMT 2002
Which type of association is found in between
entomophilous flower and pollinating agent ?
A.
Coperation
B.
Co-evolution
C.
Mutualism
D.
Commonsalism