$ The first formed embryonic cavity is called blastocoel. ! Annelids have a segmented body.

$ The first formed embryonic cavity is called blastocoel. ! Annelids have a segmented body.
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$ The first formed embryonic cavity is called blastocoel. ! Annelids have a segmented body. A. If both As ... is wrong D. If both As and R are wrong.
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Which of the following features is not present in Periplaneta americana? (a) Exoskeleton composed of N-acetylglucosamine (b) Metamerically segmented body (c) Schizocoelom as body cavity (d) Indeterminate and radial cleavage during embryonic development

Description : Which of the following features is not present in Periplaneta americana? (a) Exoskeleton composed of N-acetylglucosamine (b) Metamerically segmented body (c) Schizocoelom as body cavity (d) Indeterminate and radial cleavage during embryonic development

Last Answer : (a) Exoskeleton composed of N-acetylglucosamine

Metagenesis refers to (a) occurrence of a drastic change in form during post-embryonic development (b) presence of a segmented body and parthe- nogenetic mode of reproduction (c) presence of different morphic forms (d) alternation of generation between asexual and sexual phases of an organism.

Description : Metagenesis refers to (a) occurrence of a drastic change in form during post-embryonic development (b) presence of a segmented body and parthe- nogenetic mode of reproduction (c) presence of different morphic forms (d) alternation of generation between asexual and sexual phases of an organism.

Last Answer : (d) alternation of generation between asexual and sexual phases of an organism.

In contrast to annelids the platyhelminthes show (a) absence of body cavity (b) bilateral symmetry (c) radial symmetry (d) presence of pseudocoel.

Description : In contrast to annelids the platyhelminthes show (a) absence of body cavity (b) bilateral symmetry (c) radial symmetry (d) presence of pseudocoel.

Last Answer : (a) absence of body cavity

An animal kept in a jar has the following features. (I) It is bilaterally symmetrical. (II) It has coelomic cavity (Ill) The body is segmented (IV) It has jointed appendages. To which phylum does the animal belong to? (1) Arthropoda (2) Annelida (3) Platyhelminthes (4) Mollusca

Description : An animal kept in a jar has the following features. (I) It is bilaterally symmetrical. (II) It has coelomic cavity (Ill) The body is segmented (IV) It has jointed appendages. To which phylum does the animal belong to? (1) Arthropoda (2) Annelida (3) Platyhelminthes (4) Mollusca

Last Answer : I) It is bilaterally symmetrical.

Termination of gastrulation is indicated by (a) obliteration of blastocoel (b) obliteration of archenteron (c) closure of blastopore (d) closure of neural tube.

Description : Termination of gastrulation is indicated by (a) obliteration of blastocoel (b) obliteration of archenteron (c) closure of blastopore (d) closure of neural tube.

Last Answer : (a) obliteration of blastocoel

Blastopore is the pore of (a) archenteron (b) blastocoel (c) coelom (d) alimentary canal.

Description : Blastopore is the pore of (a) archenteron (b) blastocoel (c) coelom (d) alimentary canal.

Last Answer : (a) archenteron

$ Colchicine is a chemical which can arrest cell division at metaphase ! Colchicine is also called mitotic tympanic cavity of the ear.

Description : $ Colchicine is a chemical which can arrest cell division at metaphase ! Colchicine is also called mitotic tympanic cavity of the ear.

Last Answer : $ Colchicine is a chemical which can arrest cell division at metaphase ! Colchicine is also called mitotic ... D. If both As and R are wrong.

$ Benign tumour remains confined whereas a malignant tumour undergoes metastasis. ! Tympanic fluid is filled in the tympanic cavity of the ear.

Description : $ Benign tumour remains confined whereas a malignant tumour undergoes metastasis. ! Tympanic fluid is filled in the tympanic cavity of the ear.

Last Answer : $ Benign tumour remains confined whereas a malignant tumour undergoes metastasis. ! Tympanic fluid is filled in ... D. If both As and R are wrong.

Why is the crayfish classified as a segmented body?

Description : Why is the crayfish classified as a segmented body?

Last Answer : Feel Free to Answer

Which among the following has segmented body? (1) Phylum Mollusca. (2) Phylum Arthopoda (3) Phylum Annelida (4) Phylum Coelenterata

Description : Which among the following has segmented body? (1) Phylum Mollusca. (2) Phylum Arthopoda (3) Phylum Annelida (4) Phylum Coelenterata

Last Answer : (3) Phylum Annelida Explanation: The Annelida, also known as the ringed worms or segmented worms, are a large phylum, with over 17,000 extant species including ragworms, earthworms, and leeches.

Exoskeleton, a segmented body and jointed appendages are attributed to phylum C A. Annelida B. Porifera C. Arthropoda D. Mollusca

Description : Exoskeleton, a segmented body and jointed appendages are attributed to phylum C A. Annelida B. Porifera C. Arthropoda D. Mollusca

Last Answer : Arthropoda

In which one of the following the genus name, its two characters and its class/phylum are correctly matched?(a) Ascaris (i) Body segmented Annelida (ii) Males and females distinct (b) Salamandra (i) A tympanum Amphibia represents ear (ii) Fertilization is external (c) Pteropus (i) Skin possesses Mammalia hair (ii) Oviparous (d) Aurelia (i) Cnidoblasts Coelenterata (ii) Organ level of organization

Description : In which one of the following the genus name, its two characters and its class/phylum are correctly matched? (a) Ascaris (i) Body segmented Annelida (ii) Males and females distinct (b) ... hair (ii) Oviparous (d) Aurelia (i) Cnidoblasts Coelenterata (ii) Organ level of organization

Last Answer : (a) Ascaris (i) Body segmented Annelida (ii) Males and females distinct

In which one of the following, the genus name, its two characters and its phylum are not correctly matched, whereas the remaining three are correct? (a) Pila (i) Body segmented Mollusca (ii) Mouth with radula(b) Asterias (i) Spiny skinned Echinodermata (ii) Water vascular system (c) Sycon (i) Pore bearing Porifera (ii) Canal system (d) Periplaneta (i) Jointed appendages Arthropoda (ii) Chitinous exoskeleton

Description : In which one of the following, the genus name, its two characters and its phylum are not correctly matched, whereas the remaining three are correct? (a) Pila (i) Body segmented Mollusca ... Porifera (ii) Canal system (d) Periplaneta (i) Jointed appendages Arthropoda (ii) Chitinous exoskeleton

Last Answer : (a) Pila (i) Body segmented Mollusca (ii) Mouth with radula

In which one of the following, the genus name, its two characters and its phylum are not correctly matched, whereas the remaining three are correct? (a) Pila (i) Body segmented Mollusca (ii) Mouth with radula(b) Asterias (i) Spiny skinned Echinodermata (ii) Water vascular system (c) Sycon (i) Pore bearing Porifera (ii) Canal system (d) Periplaneta (i) Jointed appendages Arthropoda (ii) Chitinous exoskeleton

Description : In which one of the following, the genus name, its two characters and its phylum are not correctly matched, whereas the remaining three are correct? (a) Pila (i) Body segmented Mollusca ... Porifera (ii) Canal system (d) Periplaneta (i) Jointed appendages Arthropoda (ii) Chitinous exoskeleton

Last Answer : (a) Pila (i) Body segmented Mollusca (ii) Mouth with radula

With respect to lens development: a. the lens first appears at 27 days of gestation b. it is formed from neural crest cells c. the lens first appears as a vesicles with a single layer of epithelial cells d. Y suture is absent in the embryonic nucleus e. the adult lens is more spherical than the foetal

Description : With respect to lens development: a. the lens first appears at 27 days of gestation b. it is formed from neural crest cells c. the lens first appears as a vesicles with a single layer of ... d. Y suture is absent in the embryonic nucleus e. the adult lens is more spherical than the foetal

Last Answer : the lens first appears at 27 days of gestation

Embryonic connective tissue is formed from

Description : Embryonic connective tissue is formed from

Last Answer : Embryonic connective tissue is formed from A. Ectoderm B. Endoderm C. Mesenchyma D. Mesogloes.

In human embryo the extra embryonic membrane are formed by :

Description : In human embryo the extra embryonic membrane are formed by :

Last Answer : In human embryo the extra embryonic membrane are formed by : A. Inner cell wall B. Trophoblast C. Formative cells D. Foillcless cells

Which of the following embryonic layer formed gametes :

Description : Which of the following embryonic layer formed gametes :

Last Answer : Which of the following embryonic layer formed gametes : A. Ectoderm B. Endoderm C. Mesoderm D. Mesoderm

Three germ layers are formed during which stage of embryonic development :-

Description : Three germ layers are formed during which stage of embryonic development :-

Last Answer : Three germ layers are formed during which stage of embryonic development :- A. Morula B. Blastula C. Gastrula D. In any two stages

$ The skeleton which occurs on the surface of animal body is called exoskeleton. ! Endoskeleton is formed of bones.

Description : $ The skeleton which occurs on the surface of animal body is called exoskeleton. ! Endoskeleton is formed of bones.

Last Answer : $ The skeleton which occurs on the surface of animal body is called exoskeleton. ! Endoskeleton is formed of ... wrong D. If both As and R are wrong.

One-celled algae enclosed in minute two-part silic shells are called: a) dinoflagellates (pron: die-no-flaj-el-ates) b) coelenterates (pron: sell-en-ter-ates) c) annelids d) diatoms

Description : One-celled algae enclosed in minute two-part silic shells are called: a) dinoflagellates (pron: die-no-flaj-el-ates) b) coelenterates (pron: sell-en-ter-ates) c) annelids d) diatoms

Last Answer : ANSWER: D -- DIATOMS 

Example for aquatic annelids. -Biology

Description : Example for aquatic annelids. -Biology

Last Answer : answer:

What type of circulation is found in annelids? -Biology

Description : What type of circulation is found in annelids? -Biology

Last Answer : answer:

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.

In constrast to annelids the Platyhelminthes show

Description : In constrast to annelids the Platyhelminthes show

Last Answer : In constrast to annelids the Platyhelminthes show A. Absence of body cavity B. Presence of pseudocoel C. Radial symmetry D. Bilaterla Symmetry

Annelids possess

Description : Annelids possess

Last Answer : Annelids possess A. Cell aggreate plan B. Blind sac plan C. Tube within a tube plan D. Hollow sac plan

Do annelids have a back bone?

Description : Do annelids have a back bone?

Last Answer : no

Do annelids have a back bone?

Description : Do annelids have a back bone?

Last Answer : no

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?

Which type of circulatory system do molluscs have? How can it be compared to the respiratory system of annelids?

Description : Which type of circulatory system do molluscs have? How can it be compared to the respiratory system of annelids?

Last Answer : Molluscs, with the exception of cephalopods, have an open circulatory system, i.e., the blood circulates within vessels, from the heart, but it also fills open lacunas or cavities. In ... .e., the blood circulates only inside blood vessels. Mollusca - Image Diversity: mollusc circulatory system

Are mollusc metameric beings? Exclusively analyzing this feature could it be said that molluscs are evolutionarily proximal to nematodes or to annelids?

Description : Are mollusc metameric beings? Exclusively analyzing this feature could it be said that molluscs are evolutionarily proximal to nematodes or to annelids?

Last Answer : In molluscs there is not a body divided into segments. Considering just this feature it could be said that evolutionarily they are more proximal to nematodes than to annelids.

How is the nervous system characterized in beings of the phylum Annelida? How can one compare cephalization in annelids to cephalization in nematodes and platyhelminthes?

Description : How is the nervous system characterized in beings of the phylum Annelida? How can one compare cephalization in annelids to cephalization in nematodes and platyhelminthes?

Last Answer : Annelids have a nervous system made of two ventral chords and one relatively big nervous cell concentration in its anterior portion resembling a primitive brain. Nematodes have an anterior neural ... is more outstanding than in nematodes or in flatworms. Image Diversity: earthworm nervous system

How can the excretory system of annelids be described?

Description : How can the excretory system of annelids be described?

Last Answer : In each segment (metamere) of the being a pair of complete excretory structures called metanephridium exists. The metanephridium has an extremity, the nephrostoma, which collects residuals from the ... , the nephridiopore, which opens in the body surface. Image Diversity: earthworm excretory system

What is the type of circulatory system present in annelids?

Description : What is the type of circulatory system present in annelids?

Last Answer : In beings of the phylum Annelida the circulatory system is closed, i.e., blood circulation takes place only within specialized vessels.

What is the main evolutionary novelty presented by annelids?

Description : What is the main evolutionary novelty presented by annelids?

Last Answer : The main evolutionary novelty presented by the beings of the phylum Annelida is the coelom, the internal body cavity totally covered by mesoderm, a feature also present in arthropods, ... important evolutionary novelty of the annelids is the closed circulatory system. Image Diversity: coelom

What are some examples of annelids?

Description : What are some examples of annelids?

Last Answer : Earthworms, leeches and lugworms. Image Diversity: earthworms leeches lugworms

What are the morphological similarities and differences between nematodes and annelids?

Description : What are the morphological similarities and differences between nematodes and annelids?

Last Answer : Nematodes, like annelids, have a cylindrical elongated body. Annelids differentiate from nematodes by presenting a segmented body (body divided into metameres) and so they are called segmented worms.

Uricotelic mode of excreting nitrogenous wastes is found in (a) reptiles and birds (b) birds and annelids (c) amphibians and reptiles (d) insects and amphibians.

Description : Uricotelic mode of excreting nitrogenous wastes is found in (a) reptiles and birds (b) birds and annelids (c) amphibians and reptiles (d) insects and amphibians.

Last Answer : (a) reptiles and birds

.Malpighian tubules are (a) excretory organs of insects (b) excretory organs of annelids (c) respiratory organs of insects (d) respiratory organs of annelids.

Description : .Malpighian tubules are (a) excretory organs of insects (b) excretory organs of annelids (c) respiratory organs of insects (d) respiratory organs of annelids.

Last Answer : (a) excretory organs of insects

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

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

The connecting link between annelids and arthropods is a) Nereis b) Belostoma c) Peripatus d) Balanus

Description : The connecting link between annelids and arthropods is a) Nereis b) Belostoma c) Peripatus d) Balanus

Last Answer : c) Peripatus

Company marketing mix that target market segments very broadly is called a. mass marketing b. segmented marketing c niche marketing d. micromarketing

Description : Company marketing mix that target market segments very broadly is called a. mass marketing b. segmented marketing c niche marketing d. micromarketing

Last Answer : a. mass marketing

Assertion : Most of bones of body are cartilagenous. Reason : Connective tissue originated first during embryonic develoment.

Description : Assertion : Most of bones of body are cartilagenous. Reason : Connective tissue originated first during embryonic develoment.

Last Answer : Assertion : Most of bones of body are cartilagenous. Reason : Connective tissue originated first during ... D. If both Assertion & Reason are false.

Is segmented sleep unhealthy or harmful?

Description : Is segmented sleep unhealthy or harmful?

Last Answer : I do this. I take advantage of the quicker internet speed at night. I find it difficult to socialize with those who sleep normally. On the up side I get to flag spam all night for giggles.

Best way to mass-mail a dynamic segmented 7500-email list?

Description : Best way to mass-mail a dynamic segmented 7500-email list?

Last Answer : Have you looked into InfusionSoft? That’s what our company uses, and you have a lot of flexibility in terms of who you send mail to.

The only segmented mollusca is

Description : The only segmented mollusca is

Last Answer : The only segmented mollusca is A. Neopilina B. Teredo C. Nautilus D. Chiton

Members of which phylum are known as segmented or ring worms?

Description : Members of which phylum are known as segmented or ring worms?

Last Answer : Members of which phylum are known as segmented or ring worms?

What is the difference between discontinuous and segmented chips?

Description : What is the difference between discontinuous and segmented chips?

Last Answer : What is the answer ?

Write examples of segmented worms:?

Description : Write examples of segmented worms:?

Last Answer : Bristle worms; Earth worms; Leeches