Chapter: 08. Adaptation
Section A: Multiple Choice Questions (Choose the best answer)
Which of these is an abiotic component of a habitat?
(a) Plants
(b) Animals
© Water
(d) Microbes Plants that grow in dry desert conditions are known as:
(a) Hydrophytes
(b) Mesophytes
© Xerophytes
(d) Conifers Which animal is often called the “ship of the desert” due to its excellent adaptations?
(a) Elephant
(b) Tiger
© Camel
(d) Lion The bones of birds are hollow and contain air cavities. This feature makes their bodies:
(a) Heavy
(b) Flexible
© Dense
(d) Pneumatic What helps snow slide off the branches of mountain trees like pines and firs?
(a) Broad leaves
(b) Upward-pointing branches
© Waxy coating on needle-like leaves
(d) Thick bark Section B: Fill in the Blanks
The place where an organism lives is called its _ _ _ _ _ _ _ _ _ _ _ _ _ _ _. Fish use _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ for the exchange of gases in water. Desert animals that are mostly active during the night are called _ _ _ _ _ _ _ _ _ _ _ _ _ _ _. The hump of a camel stores food in the form of _ _ _ _ _ _ _ _ _ _ _ _ _ _ _. The forelimbs of birds are modified into _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ for flight. Section C: True or False
State whether each statement is True or False.
Adaptations are changes that occur suddenly in an organism’s body within a few days. Water lily is an example of a submerged aquatic plant. Mountain goats have cloven hoofs that help them climb steep, rocky slopes. All plants are aerial creatures and can fly long distances. Fish have sweat glands to help them cool down in water. Section D: Short Answer Questions (Answer in 2-3 sentences)
List two ways in which floating aquatic plants, like water hyacinth, are adapted to stay on the water surface. How do the leaves of desert plants help them conserve water? Name two specific adaptations of mountain trees that help them cope with heavy snowfall. What is the main purpose of air sacs in birds? Section E: Diagram-Based Questions
Observe the image of the fish and answer the questions: a. What is the body shape of the fish called, and how does this shape help it?
b. Name the organs fish use for breathing underwater.
Look at the image of the camel and identify its desert adaptations:
A camel is depicted in a desert landscape. a. What is the function of the hump on the camel’s back?
b. How do the camel’s feet help it walk comfortably in the desert?
Section F: Differentiate Concepts
Differentiate between Abiotic components and Biotic components of a habitat. Section G: Long Answer Questions (Answer in 4-5 sentences)
Explain in detail how a camel is well-adapted to survive in the harsh desert environment, making it known as the “ship of the desert.” Describe the various aerial adaptations seen in birds that enable them to fly effectively. 
Practice Paper
