The symptoms of altitude sickness are
[B] Heart palpitations
[D] All of the above
How acclimatization occurs in case of altitude sickness?
[A] Decrease RBC production
[B] Increase RBC production
[C] Increase rate of breathing
[D] Both (b) and (c)
Which bacteria can flourish in hot springs and deep sea hydrothermal vents?
Many fish thrive in Antarctic water where the temperature is ______.
[A] Always above zero
[B] Always above 4℃
[C] Always below zero
[D] Sometimes below zero
How much pressure is experienced by marine invertebrates and fishes living at the great depths in oceans?
[A] < 100 times that of normal atmospheric pressure
[B] < 100 times that of hydrostatic pressure
[C] > 100 times that of hydrostatic pressure
[D] > 100 times that of normal atmospheric pressure
Which of the following animals lack the physiological ability to deal with high temperature in their habitat?
[A] Giant frilled lizard
[B] Desert lizard
[C] Kangaroo rat
What adaptation desert lizard shows to deal with high temperature?
[A] Bask in sun when body temperature drops
[B] Move in shade when body temperature drops
[C] Bask in sun when ambient temperature drops.
[D] Move in shade when ambient temperature drops.
The main reason behind building burrows in soil by burrowing animals is _______.
[A] To escape from predators
[B] To derive nutrition parts of plants from underground
[C] The mode of evolution chose burrows as a specific habitat
[D] To hide and escape from the above-ground heat
Which of the following is not a population attribute?
[A] Majority of them live in groups in a well-defined geographical location
[B] Share or compete for similar resources
[C] Potentially interbreed
[D] Single individuals of any species cannot live in isolation
Individuals resulting from asexual reproduction are also considered _______ while performing ecological studies.
As teakwood: Forest tracts, _______ : Wetland.
To evolve certain desired traits, natural selection should operate at ______ level,
Population ecology is a bridge between evolution and _______.
[A] Population morphology
[B] Population genetics
[C] Population proteomics
[D] Population variation
After poaching lions in certain forest of Gujarat, only are left in a year. Determine death rate per capita.
The population size of Siberian cranes at Bharatpur wetlands in any year is ______