The middle layer in body wall of porifera is or The non-cellular layer present between pinacoderm and choanoderm in body wall of poriferans is known a

The middle layer in body wall of porifera is or The non-cellular layer present between pinacoderm and choanoderm in body wall of poriferans is known a
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The middle layer in body wall of porifera is or The non-cellular layer present between pinacoderm ... Msoderm B. Mesenchyme C. Mesoglea D. Mesentery
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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

From the following statements select the wrong one. (a) Prawn has two pairs of antennae. (b) Nematocysts are characteristics of the Phylum Cnidaria. (c) Millepedes have two pairs of appendages in each segment of the body. (d) Animals belonging to Phylum Porifera are marine and fresh water

Description : From the following statements select the wrong one. (a) Prawn has two pairs of antennae. (b) Nematocysts are characteristics of the Phylum Cnidaria. (c) Millepedes have two pairs of appendages in each segment of the body. (d) Animals belonging to Phylum Porifera are marine and fresh water

Last Answer : (a) Prawn has two pairs of antennae.

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

Match the name of the animal (column I), with one characteristic (column II) and the phylum/ class (column  III) to which it belongs.(a) Limulus Body covered Pisces by chitinous exoskeleton (b) Adamsia Radially Porifera symmetrical (c) Petromyzon Ectoparasite Cyclostomata (d) Ichthyophis Terrestrial Reptilia

Description : Match the name of the animal (column I), with one characteristic (column II) and the phylum/ class (column  III) to which it belongs. (a) Limulus Body covered ... exoskeleton (b) Adamsia Radially Porifera symmetrical (c) Petromyzon Ectoparasite Cyclostomata (d) Ichthyophis Terrestrial Reptilia

Last Answer : c) Petromyzon Ectoparasite Cyclostomata

Body having meshwork of cells, internal cavities lined with food filtering flagellated cells and indirect development are the characteristics of Phylum (a) Mollusca (b) Protozoa (c) Coelenterata (d) Porifera.

Description : Body having meshwork of cells, internal cavities lined with food filtering flagellated cells and indirect development are the characteristics of Phylum (a) Mollusca (b) Protozoa (c) Coelenterata (d) Porifera.

Last Answer : (d) Porifera.

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?

Poriferans and cnidarians do not have excretory systems. Do platyhelminthes have an excretory system?

Description : Poriferans and cnidarians do not have excretory systems. Do platyhelminthes have an excretory system?

Last Answer : Platyhelminthes have a primitive excretory system made of flame cells (also called solenocytes), excretory ducts and excretory pores. Image Diversity: platyhelminth excretory system

Concerning tissue complexity how different are cnidarians from poriferans?

Description : Concerning tissue complexity how different are cnidarians from poriferans?

Last Answer : Cnidarians have true tissue differentiation, they present distinct organized tissues in the body. Poriferans present only some dispersed specialized cells with no tissue differentiation.

Concerning digestion how are poriferans characterized?

Description : Concerning digestion how are poriferans characterized?

Last Answer : Sponges are different from other animals since they present only intracellular digestion. They do not have a digestive system nor do they release digestive enzymes in the spongocoel to cause extracellular break down of nutrients.

What are the main cells of which poriferans are made?

Description : What are the main cells of which poriferans are made?

Last Answer : Sponges have their outer wall covered by flat cells called pinacocytes and having pores well-delimited by special cells called porocytes. The internal wall is filled with choanocytes, ... made of spicules and organic fibers.) Sponges Review - Image Diversity: pinacocytes porocyteschoanocytes

What is the typical shape of poriferans?

Description : What is the typical shape of poriferans?

Last Answer : Sponges have bodies in the form of tubular vases or globes open in the upper extremity. They have an internal central cavity and porous walls. The central cavity is called spongocoel and the opening in the upper extremity is called osculum. Sponges Review - Image Diversity: sponge structure

What are poriferans?

Description : What are poriferans?

Last Answer : The phylum Porifera contains the simplest creatures of the animal kingdom. Sponges are aquatic sessile beings (they are not able to move by themselves and they keep themselves attached to ... multicellular, like all beings of the animal kingdom. Sponges Review - Image Diversity: poriferans

In case of poriferans, the spongocoel is lined with flagellated cells called (a) oscula (b) choanocytes (c) mesenchymal cells (d) ostia.

Description : In case of poriferans, the spongocoel is lined with flagellated cells called (a) oscula (b) choanocytes (c) mesenchymal cells (d) ostia.

Last Answer : (b) choanocytes

In case of poriferans, the spongocoel is lined with flagellated cells called: (1) oscula (2) choanocytes (3) mesenchymal cells (4) ostia

Description : In case of poriferans, the spongocoel is lined with flagellated cells called: (1) oscula (2) choanocytes (3) mesenchymal cells (4) ostia

Last Answer : (2) choanocytes

Non-cellular layer that connects epithelium to connective tissue is

Description : Non-cellular layer that connects epithelium to connective tissue is

Last Answer : Non-cellular layer that connects epithelium to connective tissue is A. Basement membrane B. Epidermis C. Dermis D. Cell junction

The outer most layer of cell wall is (A) Primary wall (B) Secondary wall (C) Middle lamella (D) Plasma membrane

Description : The outer most layer of cell wall is (A) Primary wall (B) Secondary wall (C) Middle lamella (D) Plasma membrane

Last Answer : (C) Middle lamella

The most important characteristic of phylum Porifera is that the organism

Description : The most important characteristic of phylum Porifera is that the organism

Last Answer : The most important characteristic of phylum Porifera is that the organism A. Are cellular B. ... and choanocytes D. Possess water vascular system

Give the characteristic features of phylum Porifera.

Description : Give the characteristic features of phylum Porifera.

Last Answer : Give the characteristic features of phylum Porifera.

Where in your home might you find a product that is made from an animal of phylum porifera?

Description : Where in your home might you find a product that is made from an animal of phylum porifera?

Last Answer : Sponges are members of the phylum Porifera so you might find aproduct in the bathroom

Is a porifera grantia a living thing?

Description : Is a porifera grantia a living thing?

Last Answer : What is the answer ?

Man belongs to the phylum (a) Mollusca (b) Chordata (c) Porifera (d) Amphibian

Description : Man belongs to the phylum (a) Mollusca (b) Chordata (c) Porifera (d) Amphibian

Last Answer : Ans:(b)

Write down the characteristics of Phylum Porifera?

Description : Write down the characteristics of Phylum Porifera?

Last Answer : These animals are called Porifera because animals of this group have small pores on their bodies. These are called sponges. Habitat: - They are aquatic animals and mostly found in sea water. Some are ... water. Examples: - Their examples in seawater is sponge. And spongilla is in fresh water. 

Peripatus is a connecting link between (a) mollusca and echinodermata (b) annelida and arthropoda (c) coelenterata and porifera (d) ctenophora and platyhelminthes

Description : Peripatus is a connecting link between (a) mollusca and echinodermata (b) annelida and arthropoda (c) coelenterata and porifera (d) ctenophora and platyhelminthes

Last Answer : (b) annelida and arthropoda

.Classification of Porifera is based on (a) branching (b) spicules (c) reproduction (d) symmetry.

Description : .Classification of Porifera is based on (a) branching (b) spicules (c) reproduction (d) symmetry.

Last Answer : (b) spicules

The simplest type of canal system in porifera is (a) ascon type (b) leucon type (c) sycon type (d) radial type.

Description : The simplest type of canal system in porifera is (a) ascon type (b) leucon type (c) sycon type (d) radial type.

Last Answer : (d) radial type.

Which one of the following is a matching set of a phylum and its three examples? (a) Porifera - Spongilla, Euplectella, Pennatula (b) Cnidaria - Bonellia, Physalia, Aurelia (c) Platyhelminthes - Planaria, Schistosoma, Enterobius (d) Mollusca - Loligo, Teredo, Octopus

Description : Which one of the following is a matching set of a phylum and its three examples? (a) Porifera - Spongilla, Euplectella, Pennatula (b) Cnidaria - Bonellia, Physalia, Aurelia (c) Platyhelminthes - Planaria, Schistosoma, Enterobius (d) Mollusca - Loligo, Teredo, Octopus

Last Answer : (d) Mollusca - Loligo, Teredo, Octopus

Which one of the following groups of animals reproduces only by sexual means? (a) Cnidaria (b) Porifera (c) Protozoa (d) Ctenophora

Description : Which one of the following groups of animals reproduces only by sexual means? (a) Cnidaria (b) Porifera (c) Protozoa (d) Ctenophora

Last Answer : (d) Ctenophora

Which one of the following groups of animals reproduces only by sexual means? (a) Cnidaria (b) Porifera (c) Protozoa (d) Ctenophora

Description : Which one of the following groups of animals reproduces only by sexual means? (a) Cnidaria (b) Porifera (c) Protozoa (d) Ctenophora

Last Answer : (d) Ctenophora

Cnidoblast are found in a) Cnidaria b) Protista c) Porifera d) Placozoa

Description : Cnidoblast are found in a) Cnidaria b) Protista c) Porifera d) Placozoa

Last Answer : a) Cnidaria

Sponges are included in which of the following phyla? a) Cnidaria (pron: nid-air-e-ah) b) Porifera c) Reptilia d) Foraminifera (pron: feh-ram-eh-nif-eh-rah)

Description : Sponges are included in which of the following phyla? a) Cnidaria (pron: nid-air-e-ah) b) Porifera c) Reptilia d) Foraminifera (pron: feh-ram-eh-nif-eh-rah)

Last Answer : ANSWER: B -- PORIFERA 

Phylum Porifera

Description : Phylum Porifera

Last Answer : SPONGES (general) (Various species) Habitat: various-from the tropical reefs to the arctic sea from the deep sea to the intertidal zone Size: Wide variety of shapes, colors and sizes-- ... for absorption. Scientists have yet to create a synthetic sponge as absorbent as a natural one.

Thin cytoplasmic layer is present in middle part of sperm is called :-

Description : Thin cytoplasmic layer is present in middle part of sperm is called :-

Last Answer : Thin cytoplasmic layer is present in middle part of sperm is called :- A. Nebenkern B. Manchette C. Axial filament D. Zensen ring

The term ‘glycocalyx’ is used for (a) a layer present between cell wall and membrane of bacteria (b) cell wall of bacteria (c) bacterial cell glyco-engineered to possess N-glycosylated proteins (d) a layer surrounding the cell wall of bacteria.

Description : The term ‘glycocalyx’ is used for (a) a layer present between cell wall and membrane of bacteria (b) cell wall of bacteria (c) bacterial cell glyco-engineered to possess N-glycosylated proteins (d) a layer surrounding the cell wall of bacteria.

Last Answer : (d) a layer surrounding the cell wall of bacteria.

In extra cellular compartment, the fluid present in ml/kg of body weight is about (A) 120 (B) 220 (C) 270 (D) 330

Description : In extra cellular compartment, the fluid present in ml/kg of body weight is about (A) 120 (B) 220 (C) 270 (D) 330

Last Answer : Answer : C

In fluid mosaic model of plasma membrane (a) upper layer is non-polar and hydrophilic (b) upper layer is polar and hydrophobic (c) phospholipids form a bimolecular layer in middle part (d) proteins form a middle layer.

Description : In fluid mosaic model of plasma membrane (a) upper layer is non-polar and hydrophilic (b) upper layer is polar and hydrophobic (c) phospholipids form a bimolecular layer in middle part (d) proteins form a middle layer.

Last Answer : (c) phospholipids form a bimolecular layer in middle part

The cellular layer that disintegrates and regenerates again and again in human skin is:

Description : The cellular layer that disintegrates and regenerates again and again in human skin is:

Last Answer : The cellular layer that disintegrates and regenerates again and again in human skin is: A. ... Dermis of skin D. Endothelium of blood vessels

The complement system consists of a series of serum proteins that exist in a quiescent or very low-level state of activation in the uninfected host. Which of the following statement(s) is/are true concerning complement activation? a. The alternate (properdin) pathway of complement activation can occur directly through contact with fungal or bacterial cell wall compounds b. Complement component fragments may serve to decrease vascular permeability c. Excessive complement activation can produce deleterious effects d. Fragments of certain complement components serve as chemoattractants to additional cellular components of the host defense mechanism

Description : The complement system consists of a series of serum proteins that exist in a quiescent or very low-level state of activation in the uninfected host. Which of the following ... certain complement components serve as chemoattractants to additional cellular components of the host defense mechanism

Last Answer : Answer: a, c, d Complement activation can occur through either classic or alternate (properdin) pathways, both of which eventuate in deposition of terminal complement pathway components on the ... and release of lysosomal enzymes that can directly damage certain target tissues, such as the lung

In eubacteria, a cellular component that resembles eukaryotic cell is (a) plasma membrane (b) nucleus (c) ribosomes (d) cell wall.

Description : In eubacteria, a cellular component that resembles eukaryotic cell is (a) plasma membrane (b) nucleus (c) ribosomes (d) cell wall.

Last Answer : (a) plasma membrane

All the following statements about fibronectin are true except (A) It is glycoprotein (B) It is a triple helix (C) It is present in extra cellular matrix (D) It binds with integrin receptors of cell

Description : All the following statements about fibronectin are true except (A) It is glycoprotein (B) It is a triple helix (C) It is present in extra cellular matrix (D) It binds with integrin receptors of cell

Last Answer : Answer : A

The following statement(s) is/are true concerning cellular defense mechanisms. a. Macrophages function solely as antigen processing cells in the initial reaction to exposure to an antigen b. Macrophages may become activated and secrete cytokines c. Macrophages serve as phagocytic cells in the tissues but not within the bloodstream d. Polymorphonucleocytes (PMNS) are normally present in only small numbers within the tissue and enter an area of infection through diapedesis

Description : The following statement(s) is/are true concerning cellular defense mechanisms. a. Macrophages function solely as antigen processing cells in the initial reaction to exposure to an antigen b. Macrophages ... in only small numbers within the tissue and enter an area of infection through diapedesis

Last Answer : Answer: b, d A wide variety of cell types serve to provide host defense at several levels. Macrophages act as the initial antigen processing cell that serves to ... through diapedesis after chemotactic stimuli are excluded by macrophages, bacterial breakdown products, and complement activation

The white matter present in the brain and spinal cord consists of (a) neuroglia (b) myline sheath (c) terminal arborizations of axons (d) cellular sheath of Schwann

Description : The white matter present in the brain and spinal cord consists of (a) neuroglia (b) myline sheath (c) terminal arborizations of axons (d) cellular sheath of Schwann

Last Answer : Ans:(b)

Write the name of a non-cellular organism. ?

Description : Write the name of a non-cellular organism. ?

Last Answer : : A non-cellular organism is called a virus.

What is a non example of cellular respiration?

Description : What is a non example of cellular respiration?

Last Answer : Need answer

Short-lived immunity acquired from mother to fetus across placenta or through mother’s milk to the infant is categorised as (a) active immunity (b) passive immunity (c) cellular immunity (d) innate non-specific immunity.

Description : Short-lived immunity acquired from mother to fetus across placenta or through mother’s milk to the infant is categorised as (a) active immunity (b) passive immunity (c) cellular immunity (d) innate non-specific immunity.

Last Answer : (b) passive immunity

Body cavity is the cavity present between body wall and gut wall. In some animals the body cavity is not lined by mesoderm. Such animals are called

Description : Body cavity is the cavity present between body wall and gut wall. In some animals the body cavity is not lined by mesoderm. Such animals are called

Last Answer : Body cavity is the cavity present between body wall and gut wall. In some animals the ... Acoelomate B. Pseudocoelomate C. Coelomate D. Haemocoelomate

The adrenal cortex can be divided intro three layers, called____ (inner layer), _____(middle layer) and ______(outer layer)

Description : The adrenal cortex can be divided intro three layers, called____ (inner layer), _____(middle layer) and ______(outer layer)

Last Answer : The adrenal cortex can be divided intro three layers, called____ (inner layer), _____(middle layer) and ______(outer layer)

What is the weblike spidery middle meningeal layer?

Description : What is the weblike spidery middle meningeal layer?

Last Answer : Need answer

What is middle lamella of cell wall? -Biology

Description : What is middle lamella of cell wall? -Biology

Last Answer : answer:

Identify the human developmental stage shown as well as the related right place of its occurrence in a normal pregnant woman and select the right option for the two, together. Developmental Site of occurrence stage (a) Late morula – Middle part of Fallopian tube (b) Blastula – End part of Fallopian tube (c) Blastocyst – Uterine wall (d) 8-celled morula – Starting point of Fallopian tube

Description : Identify the human developmental stage shown as well as the related right place of its occurrence in a normal pregnant woman and select the right option for the two, together. Developmental Site of ... tube (c) Blastocyst - Uterine wall (d) 8-celled morula - Starting point of Fallopian tube

Last Answer : (c) Blastocyst – Uterine wall