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d. Their skeleton is made up of calcareous plates or spicules.
i. Animals of which phylum show the above characters?
ii Give an examnle from that nhylum
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Q1
Characters of a phylum are given below. Read those carefully and answer the questions.
a. Spines of calcium carbonate are present on the body.
b. These animals are exclusively marine.
c. They perform the locomotion with the help of tube feet.
d. Their skeleton is made up of calcareous plates or spicules.
i. Animals of which phylum show the above characters?
ii. Give an example from that phylum.
iii. These animals can be classified with the help of which criteria of new system of animals classification?
a. Spines of calcium carbonate are present on the body.
b. These animals are exclusively marine.
c. They perform the locomotion with the help of tube feet.
d. Their skeleton is made up of calcareous plates or spicules.
i. Animals of which phylum show the above characters?
ii. Give an example from that phylum.
iii. These animals can be classified with the help of which criteria of new system of animals classification?
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Q2
Charecters of a phylum are given below. Read those carefully and name the phylum.
a. Spines of calcium carbonate are present on the body.
b. These animals are exclusively marine.
c. They perform the locomotion with the help of tube feet.
d. Their skeleton is mode up of calcareous plates or spicules.
a. Spines of calcium carbonate are present on the body.
b. These animals are exclusively marine.
c. They perform the locomotion with the help of tube feet.
d. Their skeleton is mode up of calcareous plates or spicules.
View Solution
Q3
in which phylum will you place the organisms which have calcareous spines on their body, presences of holes or pores all over the body
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Q4
Fill in the blanks (A, B, C and D) from the characters given (1 to 6) and choose the option containing the correct matches.
I. Phylum Echinodermata are ...A....
II. Phylum Mollusca has a ...B....
III ....C... of Echinoderms is its distinctive character.
IV Echinodermata got their name from ...D....
Given characters
l . radially symmetrical
2. larvae
3. endoskeleton of calcareous ossicles
4. water vascular system
5. radula
6. mantle cavity
I. Phylum Echinodermata are ...A....
II. Phylum Mollusca has a ...B....
III ....C... of Echinoderms is its distinctive character.
IV Echinodermata got their name from ...D....
Given characters
l . radially symmetrical
2. larvae
3. endoskeleton of calcareous ossicles
4. water vascular system
5. radula
6. mantle cavity
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Q5
Consider the following statements.
(A) In the animals of phylum Porifera, called sponges, the reproduction is only asexual by budding.
(B) Many forms of Coelenterata possess a hard exoskeleton of lime to form corals.
(C) In the animals of phylum Echinodermata, the body surface is covered all over by calcareous spines.
Which of the above statement(s) is/are incorrect?
(B) Many forms of Coelenterata possess a hard exoskeleton of lime to form corals.
(C) In the animals of phylum Echinodermata, the body surface is covered all over by calcareous spines.
Which of the above statement(s) is/are incorrect?
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