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Published on: 27/08/2019
Animal Kingdom
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Questions + Answers key
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1.
Why are echinoderms considered closer to chordates than any other phylum?
2.
Can you name the animal phyla, whose embryos have two germ layers?
3.
Name two non-chordate phyla, where animals are radially symmetrical.
4.
In some animal groups, the body is found to be divided into compartments with at least some organs/organ repeated. Name this characteristic feature.
5.
Body cavity is the cavity present between the body wall and gut wall. In some animals, the body cavity is not lined by mesoderm, Such animals are called ______.
6.
How many chambers are there in the heart of a crocodile?
2
3
4
5
7.
On the basis of which character it can be said that bats do not belong to Aves?
Ability to fly
Presence of mammary glands
both (a) and (b)
None of the above
8.
Which of the following organisms is having a two-chambered heart?
Frog
Cobra
Shark
Platypus
9.
In which of the following organisms sexes are not separate?
Ascaris
Cockroach
Pheretima
Pila
10.
Water vascular system is the characteristic of which group of the following:
Porifera
Ctenophora
Echinodermata
Chordata
1.
Because like chordates they are also deuterostomes where the anal region develops earlier than the mouth part.
2.
Porifers and coelenterates
3.
In the animal kingdom, there are two broad phyla that exhibit radial symmetry: One of these is cnidaria, which include jellyfish, anemones, and corals. Jellyfish exhibit radial symmetry in four points around its center. The other phylum is echinodermata, such as sea stars, urchins, and sea cucumbers.
4.
It is the segmentation that simultaneously divides body both externally and internally and is also called metamerism.
5.
(a)
Pseudocoelomates.
6.
(c)
4
7.
(b)
Presence of mammary glands
8.
(c)
Shark
9.
(c)
Pheretima
10.
(c)
Echinodermata
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