Population and Ecological Adaptations
Population and Ecological Adaptations: Overview
This Topic covers sub-topics such as Hibernation, Diapause, Allen’s Rule, Aestivation in Animals, Altitude sickness, Adaptations of Organisms, Adaptation to Water Scarcity, Adaptations to Cold and, Strategic Adaptations in Plants
Important Questions on Population and Ecological Adaptations
Which of the following are the features both for plants and animals which enable them to survive in water scarce environment?
Which of the following organisms are not found in the polar regions:
Organisms that maintain homeostasis by physiological means which ensures constant body temperature, constant osmotic concentration etc., despite varying temperature are called:
Which of the following cannot be considered as an adaptation of xerophytes?
The property of a system that regulates its internal environment and tends to maintain a stable, relatively constant condition of properties such as temperature or pH is known as
The plants which can withstand narrow range of temperature tolerance are called
Most of the desert plants bloom during night time because
The xerophytic plants conserve water by storing it in
The trees occurring in two seasons is the characteristic feature of:
Which among the following is a rootless plant?
A lizard-like member of reptile is sitting on a tree with its tail coiled around a twig. This animal could be
Desert can be converted into green land by planting
Birds and mammals are:
As per Allen's rule, mammals of cold regions conserve body heat through
Which is not true of hydrophytes
It is much easier for a small animal to run uphill than for a large animal, because:
Ravi, who lived at sea level, had around million per cubic millimeter of his blood. Later when he lived at an altitude of showed around million per cubic millimeter of blood. This is an adaptation because
The stems of hydrophytic plants are soft and weak because of the poor development of
Reduction in vascular tissue mechanical tissue and cuticle is characteristic of
Ephemerals are drought
