The ‘success’ of mammals is due to
[A] Presence of mammary glands
[B] Efficient osmoegulation
[C] Efficient thermoregulation
[D] Efficient magnetoception
‘Shivering’ during cold is beneficial for mammals. It helps to
[A] Decrease body temperature
[B] Increase body temperature
[C] No change in body temperature
[D] None of the above
Which is the most effective way to get relief from high temperature?
[A] Oil secretion increases
[B] Frequent urination
[C] High water intake
[D] Profuse sweating
Assertion: Due to changes in seasons, temperature also changes.
Reason: To cope up with this, plants can regulate internal body temperature
[A] A is true and B us also true
[B] A is false but B is true
[C] A is true and B is false
[D] A and B are false
Thousands of migratory birds from Siberia come to ______ in India,
[A] Jim Corbett National Park
[B] Nal Sarovar
[C] Keolado National Park
[D] Maan Sarovar
In case of unfavourable conditions, many lower organisms develop ______ which help them to survive.
In higher plants ______ helps to tide over periods of stress
Higher plants survive stressful conditions by reducing their ________ activity.
Bears undergo a period of __________ to escape stress during winter.
Snails and fish undergo aestivation to avoid summer related problems of heat and ______
Under unfavourable conditions, many species of zooplankton which lives in small water bodies are known to enter ______
Diapause is a stage of ______
[A] Perpetual development
[B] Intermittent development
[C] Suspended development
[D] Sequential development
______ is any attribute of an organism that enables the organism to survive and reproduce in its habitat.
Adaption includes ______ attribute of an organism.
[D] All of the above
Many adaptations of an organism have evolved over a long duration of evolution and are
[A] Genetically unstable
[B] Genetically fixed
[C] Genetically disadvantageous
[D] Genetically extemporaneous