Advertisements
Advertisements
प्रश्न
Main characteristics of Nematoda:
उत्तर
Main characteristics of Nematoda:
(i) They are bilaterally symmetrical, triploblastic, pseudocoelomate and unsegmented animals.
(ii) They have a cylindrical or flattened, worm-like body.
(iii) Sexes are separate.
(iv) Body is covered with a tough, resistant cuticle.
Examples: Ascaris (round worm) and Wuchereria bancrofti (filarial worm).
APPEARS IN
संबंधित प्रश्न
What are the differences between amphibians and reptiles?
Tick (✓) the appropriate answer:
Scientist who introduced binomial nomenclature is
Write one difference between the following pair:
Invertebrates and Vertebrates
Write down four characters of Chondrichtyes. Give two examples.
What are differences between the following :
(a) Cartilaginous fishes and bony fishes ;
(b) Amphibia and Reptilia ;
(c) Aves and mammals.
Describe some flight adaptations of the birds.
Distinguish between polyp and medusa.
Write down four general characters of Porifera. Give two examples.
Write down four general characters of cnidarians (coelenterates). Give two examples.
Why are scientific names of living beings considered better than their common names?
What are the group names of the following categories of animals?
Animals with feathers _________
TYRANNOSAURUS
(One of the extinct animals which lived on the Earth about 100,000,000 years ago) Tyrannosaurus was about six meters long and it preyed upon other animals.
What do you think about its classification-was it an amphibian, a reptile or a mammal?
Can you call it a relative of Kangaroo? Yes/No. Give reason
Write two main characters of the following animal and name the phylum it belongs to: Whale
Write name of any poikilothermic animal.
Choose the correct answer: The animal of phylum mollusca is
______ in 1623, introduced the binomial nomenclature.
The binomial name of onion is ______.
Carolus Linnaeus is known as the Father of ______.
Assertion: Binomial name is the universal name and contains two names.
Reason: It was first introduced by Carolus Linnaeus
Assertion (A): Reptiles are warm-blooded animals.
Reason (R): They have scales.
