332759
Which of the following is true regarding phylum-coelenterata?
1 They are triploblastic animals
2 They have cellular level of organisation
3 They have nematocyte cells present on the tentacles
4 The water vascular opening which is called the hypostome
Explanation:
Animals in Coelenterata are diploblastic organisms with tissue level of organisation. They have cnidoblasts present on their tentacles and body. A central gastro-vascular cavity is present with an opening called hypostome.
BIOXI04: ANIMAL KINGDOM
332760
Which statement is true about coelenterates?
1 Metagenesis is observed in a few cnidarians
2 They have only sexual reproduction
3 They are diploblastic, having system level organisation
4 They have Cnidoblast cells in their gametes
Explanation:
Both sexual and asexual modes of reproduction are available. They have tissue level of organisation. They have cnidoblasts on their body wall and tentacles.
BIOXI04: ANIMAL KINGDOM
332761
Absence of circulatory system in hydra is compensated by
1 Pseudocoelomic fluid
2 Presence of tentacles
3 Gastro vascular cavity
4 None of these
Explanation:
The gastrovascular cavity compensates for the absence of circulatory system in Cnidarians.
BIOXI04: ANIMAL KINGDOM
332762
Nervous system was first found in
1 Coelenterate
2 Annelida
3 Echinodermata
4 Sponge
Explanation:
Nervous system in the form of apolar cells was first found in coelenterates.
332759
Which of the following is true regarding phylum-coelenterata?
1 They are triploblastic animals
2 They have cellular level of organisation
3 They have nematocyte cells present on the tentacles
4 The water vascular opening which is called the hypostome
Explanation:
Animals in Coelenterata are diploblastic organisms with tissue level of organisation. They have cnidoblasts present on their tentacles and body. A central gastro-vascular cavity is present with an opening called hypostome.
BIOXI04: ANIMAL KINGDOM
332760
Which statement is true about coelenterates?
1 Metagenesis is observed in a few cnidarians
2 They have only sexual reproduction
3 They are diploblastic, having system level organisation
4 They have Cnidoblast cells in their gametes
Explanation:
Both sexual and asexual modes of reproduction are available. They have tissue level of organisation. They have cnidoblasts on their body wall and tentacles.
BIOXI04: ANIMAL KINGDOM
332761
Absence of circulatory system in hydra is compensated by
1 Pseudocoelomic fluid
2 Presence of tentacles
3 Gastro vascular cavity
4 None of these
Explanation:
The gastrovascular cavity compensates for the absence of circulatory system in Cnidarians.
BIOXI04: ANIMAL KINGDOM
332762
Nervous system was first found in
1 Coelenterate
2 Annelida
3 Echinodermata
4 Sponge
Explanation:
Nervous system in the form of apolar cells was first found in coelenterates.
332759
Which of the following is true regarding phylum-coelenterata?
1 They are triploblastic animals
2 They have cellular level of organisation
3 They have nematocyte cells present on the tentacles
4 The water vascular opening which is called the hypostome
Explanation:
Animals in Coelenterata are diploblastic organisms with tissue level of organisation. They have cnidoblasts present on their tentacles and body. A central gastro-vascular cavity is present with an opening called hypostome.
BIOXI04: ANIMAL KINGDOM
332760
Which statement is true about coelenterates?
1 Metagenesis is observed in a few cnidarians
2 They have only sexual reproduction
3 They are diploblastic, having system level organisation
4 They have Cnidoblast cells in their gametes
Explanation:
Both sexual and asexual modes of reproduction are available. They have tissue level of organisation. They have cnidoblasts on their body wall and tentacles.
BIOXI04: ANIMAL KINGDOM
332761
Absence of circulatory system in hydra is compensated by
1 Pseudocoelomic fluid
2 Presence of tentacles
3 Gastro vascular cavity
4 None of these
Explanation:
The gastrovascular cavity compensates for the absence of circulatory system in Cnidarians.
BIOXI04: ANIMAL KINGDOM
332762
Nervous system was first found in
1 Coelenterate
2 Annelida
3 Echinodermata
4 Sponge
Explanation:
Nervous system in the form of apolar cells was first found in coelenterates.
332759
Which of the following is true regarding phylum-coelenterata?
1 They are triploblastic animals
2 They have cellular level of organisation
3 They have nematocyte cells present on the tentacles
4 The water vascular opening which is called the hypostome
Explanation:
Animals in Coelenterata are diploblastic organisms with tissue level of organisation. They have cnidoblasts present on their tentacles and body. A central gastro-vascular cavity is present with an opening called hypostome.
BIOXI04: ANIMAL KINGDOM
332760
Which statement is true about coelenterates?
1 Metagenesis is observed in a few cnidarians
2 They have only sexual reproduction
3 They are diploblastic, having system level organisation
4 They have Cnidoblast cells in their gametes
Explanation:
Both sexual and asexual modes of reproduction are available. They have tissue level of organisation. They have cnidoblasts on their body wall and tentacles.
BIOXI04: ANIMAL KINGDOM
332761
Absence of circulatory system in hydra is compensated by
1 Pseudocoelomic fluid
2 Presence of tentacles
3 Gastro vascular cavity
4 None of these
Explanation:
The gastrovascular cavity compensates for the absence of circulatory system in Cnidarians.
BIOXI04: ANIMAL KINGDOM
332762
Nervous system was first found in
1 Coelenterate
2 Annelida
3 Echinodermata
4 Sponge
Explanation:
Nervous system in the form of apolar cells was first found in coelenterates.
