Which one of the following statements about certain given animals is correct? (a) Roundworms (Aschelminthes) are pseudo- coelomates. (b) Molluscs are acoelomates. (c) Insects are pseudocoelomates. (d) Flatworms (Platyhelminthes) are

Which one of the following statements about certain
given animals is correct?
(a) Roundworms (Aschelminthes) are pseudo-
coelomates.
(b) Molluscs are acoelomates.
(c) Insects are pseudocoelomates.
(d) Flatworms (Platyhelminthes) are
by

1 Answer

Answer :

(a) Roundworms (Aschelminthes) are pseudo-
coelomates.
by

Related questions

Are Platyhelminthes acoelomates, pseudocoelomates or coelomates?

Description : Are Platyhelminthes acoelomates, pseudocoelomates or coelomates?

Last Answer : Acoelomates

Which of the following animals are true coelomates with bilateral symmetry? (a) Adult Echinoderms (b) Aschelminthes (c) Platyhelminthes (d) Annelids

Description : Which of the following animals are true coelomates with bilateral symmetry? (a) Adult Echinoderms (b) Aschelminthes (c) Platyhelminthes (d) Annelids

Last Answer : (d) Annelids

Which one of the following groups of animals is bilaterally symmetrical and triploblastic? (a) Aschelminthes (roundworms) (b) Ctenophores (c) Sponges (d) Coelenterates (cnidarians)

Description : Which one of the following groups of animals is bilaterally symmetrical and triploblastic? (a) Aschelminthes (roundworms) (b) Ctenophores (c) Sponges (d) Coelenterates (cnidarians)

Last Answer : (a) Aschelminthes (roundworms)

Bilaterally symmetrical and acoelomate animals are exemplified by (a) ctenophora (b) platyhelminthes (c) aschelminthes (d) annelida

Description : Bilaterally symmetrical and acoelomate animals are exemplified by (a) ctenophora (b) platyhelminthes (c) aschelminthes (d) annelida

Last Answer : (b) platyhelminthes

The name helminth is usually applied to Parasitic and non-parasitic species of D A. Flatworms B. Tapeworms C. Roundworms D. All of above

Description : The name helminth is usually applied to Parasitic and non-parasitic species of D A. Flatworms B. Tapeworms C. Roundworms D. All of above

Last Answer : All of above

Assertion : Annelids, arthropods, and molluscs are protostomial coelomates . Reason : All the three phyla include members with bilateral symmetry and

Description : Assertion : Annelids, arthropods, and molluscs are protostomial coelomates . Reason : All the three phyla include members with bilateral symmetry and

Last Answer : Assertion : Annelids, arthropods, and molluscs are protostomial coelomates . Reason : All the three ... . If both Assertion and Reason are false.

Is the nervous system in platyhelminthes more or less sophisticated than in cnidarians? What are the main neural structures found in flatworms? How is this neural organization important for the diversity of biological niches explored by species of the phylum?

Description : Is the nervous system in platyhelminthes more or less sophisticated than in cnidarians? What are the main neural structures found in flatworms? How is this neural organization important for the diversity of biological niches explored by species of the phylum?

Last Answer : Platyhelminthes present a more sophisticated nervous system than cnidarians, as the first neural chords with ganglia (grouping of neurons) appear, a characteristic of the evolutionary process of ... that are parasites and those that are free-living. Image Diversity: platyhelminth nervous system

Phylum Platyhelminthes includes B A. Round worms B. Flatworms C. Thorny headed worms D. All of above

Description : Phylum Platyhelminthes includes B A. Round worms B. Flatworms C. Thorny headed worms D. All of above

Last Answer : Flatworms

How many animals in the given list have gills for respiration ? Earthworm , Frog, Fish, Insects, Reptiles, Aquatic arthropods, Flatworm, Molluscs, Bir

Description : How many animals in the given list have gills for respiration ? Earthworm , Frog, Fish, Insects, Reptiles, Aquatic arthropods, Flatworm, Molluscs, Bir

Last Answer : How many animals in the given list have gills for respiration ? Earthworm , Frog, Fish, Insects, Reptiles, ... A. Six B. Four C. Three D. Five

Solenocytes are the main excretory structures in (a) echinodermates (b) platyhelminthes (c) annelids (d) molluscs.

Description : Solenocytes are the main excretory structures in (a) echinodermates (b) platyhelminthes (c) annelids (d) molluscs.

Last Answer : (b) platyhelminthes

Given below is the representation of the extent of global diversity of invertebrates. What groups the four portions (A-D) represent respectively? A B C D A B C D (a) Insects Crusta- Other Molluscs ceans animal groups (b) Crustaceans Insects Molluscs Other animal groups (c) Molluscs Other Crusta- Insects animal ceans groups (d) Insects Molluscs Crusta- Other animal ceans groups

Description : Given below is the representation of the extent of global diversity of invertebrates. What groups the four portions (A-D) represent respectively? A B C D A B C D (a) Insects Crusta- ... Molluscs Other Crusta- Insects animal ceans groups (d) Insects Molluscs Crusta- Other animal ceans groups

Last Answer : (d) Insects Molluscs Crusta- Other animal ceans groups

Two examples in which the nitrogenous wastes are excreted from body in the form of uric acid are (a) birds and lizards (b) frogs and cartilaginous fish (c) insects and bony fish (d) mammals and molluscs.

Description : Two examples in which the nitrogenous wastes are excreted from body in the form of uric acid are (a) birds and lizards (b) frogs and cartilaginous fish (c) insects and bony fish (d) mammals and molluscs.

Last Answer : (a) birds and lizards

Which of the following animals are TRUE coelomates with bilateral symmetry? 

Description : Which of the following animals are TRUE coelomates with bilateral symmetry? 

Last Answer : Which of the following animals are TRUE coelomates with bilateral symmetry? (a) Annelids ... (c) Aschelminthes (d) Platyhelminthes

Which one of the following kinds of animals are triploblastic? (a) Flatworms (b) Sponges (c) Ctenophores (d) Corals

Description : Which one of the following kinds of animals are triploblastic? (a) Flatworms (b) Sponges (c) Ctenophores (d) Corals

Last Answer : (a) Flatworms

Consider following features. (A) Organ system level of organisation (B) Bilateral symmetry (C) True coelomates with segmentation of body Select the correct option of animal groups which possess all the above characteristics. (a) Annelida, Mollusca and Chordata (b) Annelida, Arthropoda and Chordata (c) Annelida, Arthropoda and Mollusca (d) Arthropoda, Mollusca and Chordata

Description : Consider following features. (A) Organ system level of organisation (B) Bilateral symmetry (C) True coelomates with segmentation of body Select the correct option of animal groups which possess ... Arthropoda and Chordata (c) Annelida, Arthropoda and Mollusca (d) Arthropoda, Mollusca and Chordata

Last Answer : (B) Bilateral symmetry

A closed circulatory system is one in which blood circulates only inside blood vessels. For this reason the blood pressure is higher in animals with closed circulatory system. The cellularity of the blood is also higher with many specific blood cells. The closed circulatory system is a feature of annelids, cephalopod molluscs and vertebrates. The Circulatory System - Image Diversity: closed circulatory system

Description : A closed circulatory system is one in which blood circulates only inside blood vessels. For this reason the blood pressure is higher in animals with closed circulatory system. The ... annelids, cephalopod molluscs and vertebrates. The Circulatory System - Image Diversity: closed circulatory system

Last Answer : What are the advantages of the closed circulatory system over the open circulatory system?

Describe the characteristics of Aschelminthes.

Description : Describe the characteristics of Aschelminthes.

Last Answer : Describe the characteristics of Aschelminthes.

Which one of the following statements about certain given animals is correct?

Description : Which one of the following statements about certain given animals is correct?

Last Answer : Which one of the following statements about certain given animals is correct? A. Molluscs ... D. Roundworms (Aschelminthes ) are pseudocoelomates.

Not all animals have a circulatory system. Poriferans, cnidarians, platyhelminthes and nematodes (in these there are the pseudocoelom fluid but no vessels) are avascular animals. Echinoderms do not have true circulatory systems either.

Description : Not all animals have a circulatory system. Poriferans, cnidarians, platyhelminthes and nematodes (in these there are the pseudocoelom fluid but no vessels) are avascular animals. Echinoderms do not have true circulatory systems either.

Last Answer : What is the alternative means for transport of substances in animals without a circulatory system? Why is blood important for larger animals?

How many germ layers originate the body of platyhelminthes? In relation to this characteristic how are these animals classified?

Description : How many germ layers originate the body of platyhelminthes? In relation to this characteristic how are these animals classified?

Last Answer : Platyhelminthes are the first triploblastic animals (remember that cnidarians are diploblastic), i.e., they present three germ layers: ectoderm, mesoderm and endoderm.

roundworms have mechanoreceptors called _____ on external bristles. -General Knowledge

Description : roundworms have mechanoreceptors called _____ on external bristles. -General Knowledge

Last Answer : Roundworms have mechanoreceptors called Setae on external bristles.

$ Sea Aneomone has parasitic nutrition. ! Roundworms are also called Trematodes.

Description : $ Sea Aneomone has parasitic nutrition. ! Roundworms are also called Trematodes.

Last Answer : $ Sea Aneomone has parasitic nutrition. ! Roundworms are also called Trematodes. A. If both As and R are ... is wrong D. If both As and R are wrong.

What are the main human diseases caused by roundworms?

Description : What are the main human diseases caused by roundworms?

Last Answer : The main human diseases caused by nematodes are ascariasis, ancylostomiasis (hookworm infection) and filariasis (commonly known by its consequence, elephantiasis).

What is the type of reproduction that occurs in roundworms? What typical feature do nematode sperm cells have?

Description : What is the type of reproduction that occurs in roundworms? What typical feature do nematode sperm cells have?

Last Answer : Nematodes reproduce sexually. The nematode sperm cell does not have cilia nor flagella and they move by amoeboid movement forming pseudopods.

In horses Fenbendazole is used to kill D A. Roundworms B. Tapeworms C. Flukes D. All of above

Description : In horses Fenbendazole is used to kill D A. Roundworms B. Tapeworms C. Flukes D. All of above

Last Answer : All of above

Phylum Nemathelminthes includes A A. Roundworms B. Tapeworms C. Flukes D. None

Description : Phylum Nemathelminthes includes A A. Roundworms B. Tapeworms C. Flukes D. None

Last Answer : Roundworms

A child has been brought with intestinal obstruction due to clumping of roundworms. Select the anthelmintic which administered by intragastric tube can relax the ascarids and relieve the obstruction: A. Levamisole B. Mebendazole C. Pyrantel pamoate D. Piperazine

Description : A child has been brought with intestinal obstruction due to clumping of roundworms. Select the anthelmintic which administered by intragastric tube can relax the ascarids and relieve the obstruction: A. Levamisole B. Mebendazole C. Pyrantel pamoate D. Piperazine

Last Answer : D. Piperazine

All flatworms differ from all round worms in having

Description : All flatworms differ from all round worms in having

Last Answer : All flatworms differ from all round worms in having A. Solid mesoderm B. Triploblastic body C. Bilateral symmetry D. Metamorphosis in the life history

$ The excretory organs of Flatworms are called Flame cells. ! Excretory cells help in endocytosis.

Description : $ The excretory organs of Flatworms are called Flame cells. ! Excretory cells help in endocytosis.

Last Answer : $ The excretory organs of Flatworms are called Flame cells. ! Excretory cells help in endocytosis. A. If ... wrong D. If both As and R are wrong.

Are flatworms monoecious or dioecious?

Description : Are flatworms monoecious or dioecious?

Last Answer : There are monoecious hermaphrodite flatworms, like planarias and taenias, and there are dioecious (having male and female individuals) species too, like schistosomes.

How is gas exchange done in flatworms?

Description : How is gas exchange done in flatworms?

Last Answer : Platyhelminthes exchange gases exclusively by diffusion through their body surface. This is only possible because all cells are localized relatively near to the exterior since gases diffuse cell by cell (the flat shape of these worms is a feature that allows this type of respiration).

The excretory structures of flatworms/ Taenia are (a) flame cells (b) protonephridia (c) Malpighian tubules (d) green glands

Description : The excretory structures of flatworms/ Taenia are (a) flame cells (b) protonephridia (c) Malpighian tubules (d) green glands

Last Answer : (a) flame cells

To which biological phylum do the flatworms belong?

Description : To which biological phylum do the flatworms belong? 

Last Answer : ANSWER: PLATYHELMINTHES

What is the function of the feet in molluscs? How is the mollusc foot related to the name given to the classes of the phylum?

Description : What is the function of the feet in molluscs? How is the mollusc foot related to the name given to the classes of the phylum?

Last Answer : The mollusc foot has the function of locomotion, support, fixation, digging in the environment and sometimes of holding prey. The terminations of the names given to the main mollusc classes come from the Greek ... -shaped feet (ax in Greek is pelekys ); in cephalopods the feet are near the head.

Given below is an imaginary pyramid of numbers. What could be one of the possibilities about certain organisms at some of the different levels? 10 50 500 1 SC PC PP(a) Level PC is “insects” and level SC is “small insectivorous birds”. (b) Level PP is “phytoplanktons” in sea and “whale” on top level TC. (c) Level one PP is “pipal trees” and the level SC is “sheep”. (d) Level PC is “rats” and level SC is “cats”.

Description : Given below is an imaginary pyramid of numbers. What could be one of the possibilities about certain organisms at some of the different levels? 10 50 500 1 SC PC PP (a) Level PC is insects and level SC is ... trees and the level SC is sheep . (d) Level PC is rats and level SC is cats .

Last Answer : (a) Level PC is “insects” and level SC is “small insectivorous birds”

Which of the following statements is not correct? (a) Pollen germination and pollen tube growth are regulated by chemical components of pollen interacting with those of the pistil. (b) Some reptiles have also been reported as pollinators in some plant species. (c) Pollen grains of many species can germinate on the stigma of a flower, but only one pollen tube of the same species grows into the style. (d) Insects that consume pollen or nectar without bringing about pollination are called pollen/ nectar robbers.

Description : Which of the following statements is not correct? (a) Pollen germination and pollen tube growth are regulated by chemical components of pollen interacting with those of the pistil. (b) ... Insects that consume pollen or nectar without bringing about pollination are called pollen/ nectar robbers.

Last Answer : (c) Pollen grains of many species can germinate on the stigma of a flower, but only one pollen tube of the same species grows into the style.

Which branch of science in which we study about molluscs? -Do You Know?

Description : Which branch of science in which we study about molluscs? -Do You Know?

Last Answer : answer:

Which one of the following molluscs was formerly used as currency ( money ) ?

Description : Which one of the following molluscs was formerly used as currency ( money ) ?

Last Answer : Which one of the following molluscs was formerly used as currency ( money ) ? A. Dentalium B. Chiton C. Oyster D. Loligo

A fold of dorsal body wall which covers the visceral mass in molluscs is called as

Description : A fold of dorsal body wall which covers the visceral mass in molluscs is called as

Last Answer : A fold of dorsal body wall which covers the visceral mass in molluscs is called as A. Operculum B. Mantle C. Shell D. None of these

Copper containing respiratory pigment in blood of molluscs.

Description : Copper containing respiratory pigment in blood of molluscs.

Last Answer : Give one word for the following: Copper containing respiratory pigment in blood of molluscs.

1. Excretory system of these molluscs is of open type except, 

Description : 1. Excretory system of these molluscs is of open type except, 

Last Answer : Multiple-choice Questions 1. Excretory system of these molluscs is of open type except, (a) Sea hare ... (c) Macropus (d) Duck billed platypus

Give the economic importance of molluscs.

Description : Give the economic importance of molluscs.

Last Answer : Give the economic importance of molluscs.

Open circulatory system is the one in which blood does not circulate only inside blood vessels but it also falls in cavities that irrigate tissues. In the open circulatory system the blood pressure is low and generally the blood (called hemolymph) has low cellularity. Arthropods, molluscs (the cephalopods are exception) and protochordates have open circulatory system. The Circulatory System - Image Diversity: open circulatory system

Description : Open circulatory system is the one in which blood does not circulate only inside blood vessels but it also falls in cavities that irrigate tissues. In the open circulatory system ... and protochordates have open circulatory system. The Circulatory System - Image Diversity: open circulatory system

Last Answer : What is a closed circulatory system?

How can the endoskeleton of echinoderms be characterized in comparison to analogous structures present in vertebrates, arthropods and molluscs?

Description : How can the endoskeleton of echinoderms be characterized in comparison to analogous structures present in vertebrates, arthropods and molluscs?

Last Answer : The echinoderm skeleton is internal, i.e., it is an endoskeleton. It is made of calcium carbonate (calcareous). Vertebrates also have internal skeleton made of bones and cartilages. Arthropods ... of chitin, a chitinous exoskeleton. Some molluscs present a calcareous shell that works as exoskeleton.

Mollusc identity card. How are molluscs characterized according to examples of representing beings, basic morphology, type of symmetry, germ layers and coelom, digestive system, respiratory system, circulatory system, excretory system, nervous system and types of reproduction?

Description : Mollusc identity card. How are molluscs characterized according to examples of representing beings, basic morphology, type of symmetry, germ layers and coelom, digestive system, respiratory system, circulatory system, excretory system, nervous system and types of reproduction?

Last Answer : Examples of representing beings: snails, sea slugs, octopuses, squids, mussels, oysters. Basic morphology: soft body, with or without calcareous shell. Type of symmetry: bilateral. ... system: ganglial, advanced cephalization in cephalopods. Types of reproduction: sexual. Phylum Echinodermata Review

What are examples of the ecological and economic importance of molluscs?

Description : What are examples of the ecological and economic importance of molluscs?

Last Answer : Molluscs are important players in several food chains in ecosystems. Many marine molluscs are part of a common human diet, like octopus and squid, very appreciated in the East, and oysters and ... molluscs that are part of the food industry, pearls made by oysters have high commercial value.

How is the nervous system of molluscs organized?

Description : How is the nervous system of molluscs organized?

Last Answer : Molluscs have well-developed sensory structures. It is accepted that cephalopods, like octopus and squid, have eyes with image formation. Snails have antennae and a pair of well-defined ... molluscs and neurons concentrate in a ganglial pattern. Mollusca - Image Diversity: mollusc nervous system

What type of exoskeleton do some molluscs present?

Description : What type of exoskeleton do some molluscs present?

Last Answer : Some molluscs, like bivalves and gastropods, secrete an external calcareous carapace (the shell). Calcium carbonate is secreted by the mantle, a fold in the epidermis, forming the shell. In pelecypods ... contains only part of the body, the visceral mass. Mollusca - Image Diversity: mollusc shell

How is the excretory system of molluscs characterized?

Description : How is the excretory system of molluscs characterized?

Last Answer : Molluscs have one or two pair of spongelike nephridia, similar to kidneys.