Advertisements
Advertisements
प्रश्न
Describe some flight adaptations of the birds.
उत्तर
Adaptations in birds for flight:
(i) Possess a spindly or boat-shaped body covered mostly by feathers.
(ii) Forelimbs are modified into wings for flight.
(iii) Bones are light and spongy due to presence of air cavities.
APPEARS IN
संबंधित प्रश्न
What are the differences between animals belonging to the Aves group and those in the mammalia group?
How are the criteria for deciding divisions in plants different from the criteria for deciding the subgroups among animals?
Tick (✓) the appropriate answer:
Scientist who introduced binomial nomenclature is
Write one difference between the following pair:
Invertebrates and Vertebrates
Define the term hermaphrodite. Give two examples.
What do you mean by the term triploblastic animals? Give two example.
Give four general characters of phylum Mollusca. Write down two examples.
Write down four main characters of chordates.
Give one point of difference between notochord and nerve cord.
Distinguish between polyp and medusa.
What are the group names of the following categories of animals?
Animals with a hairy skin ___________
Given below is an animal followed by three terms or features. Underline the term which does not match with the animal.
Grasshopper-Wings, trachea, proboscis
Give four important characters of mammals.
Write two main characters of the following animal and name the phylum it belongs to: Jelly fish
Fill in the blanks:
Nephridia are the excretory organs of ______.
The binomial name of onion is ______.
True (or) False. If false write the correct answer.
True nucleus is seen in prokaryotic cell.
Assertion: Binomial name is the universal name and contains two names.
Reason: It was first introduced by Carolus Linnaeus
