Description : Clitellum is found in – (1) Leech (2) Snail (3) Nereis (4) Earthworm
Last Answer : (4) Earthworm Explanation: The clitellum is a thickened glandular and non-segmented section of the body wall near the head in earthworms and leeches, that secretes a viscid sac in which the eggs are deposited. Its main function is to store the eggs of the earthworm.
Description : Which of the following animals has a clitellum? (1) Millipede (2) Centipede (3) Earthworm (4) Ringworm
Last Answer : (3) Earthworm Explanation: A clitellum is part of a of the reproductive system of clitellates, a subgroup of annelids which contains oligochaetes (earthworms) and hirudineans (leeches). The clitellum is ... colored pigment. To form a cocoon for its eggs, the clitellum secretes a viscous fluid.
Description : Clitellum is found in (1) Leech (2) Snail (3) Nereis (4) Earthworm
Last Answer : Earthworm
Description : Which of the following animals has a clitellum ? (1) Millipede (2) Centipede (3) Earthworm (4) Ringworm
Description : Carcinoma of the tongue has a predilection for which of the following sites?** A. Lateral border anteriorly B. Anterior dorsal surface C. Posterior dorsal surface D. Lateral border posteriorly E. No preferred location
Last Answer : D. Lateral border posteriorly
Description : . One very special feature in the earthworm (Pheretima) is that (a) fertilization of eggs occurs inside the body (b) the typhlosole greatly increases the effective absorption area of the digested food ... are the defensive weapons used against the enemies (d) it has a long dorsal tubular heart.
Last Answer : (b) the typhlosole greatly increases the effective absorption area of the digested food in the intestine
Description : Is the tubular-dorsal nervous system of chordates associated to radial or lateral symmetry?
Last Answer : How does that explain the complexity level of the nervous system reached by the vertebrate evolutionary branch?
Description : During embryonic development, the establishment of polarity along anterior/posterior, dorsal/ventral or medial/lateral axis is called (a) organiser phenomena (b) axis formation (c) anamorphosis (d) pattern formation.
Last Answer : (a) organiser phenomena
Description : Which one of the following is true about oral hairy leukoplakia?** ADC M07 A. Associated with HIV virus infection and is commonly seen on the dorsal of the tongue B. Associated with HIV ... Always associated with trauma to the lateral side of the tongue E. Always associated with pernicious anaemia
Last Answer : B. Associated with HIV virus infection and is commonly seen on the lateral side of the tongue C. Usually caused by Candida species
Description : What is the volume of a right prism standing on a triangular base of sides 5 cm, 5 cm and 8 cm whose lateral surface area is 828 cm^2 ? -Maths 9th
Last Answer : Lateral surface area of a prism = Perimeter of base Height ⇒ 840 = (5 + 5 + 8) Height ⇒ Height = 8401884018 = 46 cm. = Semi perimeter of the triangular base = 182182 = 9 cm ∴ Area of triangle = 9(9- ... 4 1 = 12 cm2 ∴ Required volume of prism = Area of base Height = (12 46) cm3 = 552cm3
Description : Number of Eyes in an Earthworm is – (1) one (2) two (3) many (4) no eyes
Last Answer : (4) no eyes Explanation: Earthworms have no eyes, but they do have light receptors and can tell when they are in the dark, or in the light.
Description : Number of Eyes in an Earthworm is— (1) one (2) two (3) many (4) no eyes
Last Answer : no eyes
Description : A temporary clitellum occurs during the breeding season in
Last Answer : A temporary clitellum occurs during the breeding season in A. Pheretima B. Heteronereis C. Hirudinaria D. Aphrodite
Description : What is the clitellum of earthtworms and where it is located?
Last Answer : The clitellum is a special region of the annelid constituted by rings (metameres) with reproductive function. It can be found in the anterior portion of the animal and it is characterized by a lighter color in comparison to the normal color of the other segments.
Description : Which one of the following structures in Pheretima is correctly matched with its function? (a) Clitellum - Secretes cocoon (b) Gizzard - Absorbs digested food (c) Setae - Defence against predators (d) Typhlosole - Storage of extra nutrients
Last Answer : (b) Gizzard - Absorbs digested food
Description : Which one assists in locomotion? (a) Trichocysts in Paramecium (b) Pedicellariae of starfish (c) Clitellum in Pheretima (d) Posterior sucker in Hirudinaria
Last Answer : (d) Posterior sucker in Hirudinaria
Description : What is the function of a dorsal surface?
Last Answer : Feel Free to Answer
Description : Salivary lipase is secreted by (A) Parotid glands (B) Sub-maxillary glands (C) Dorsal surface of tongue (D) None of these
Last Answer : Answer : C
Description : The dorsal surface of thorax is also known as C A. Sterna B. Pleura C. Nota D. Plumose
Last Answer : Nota
Description : Benign migratory glossitis or Geographic Tongue, manifests itself in the oral cavity as, A. Irregularly outlined areas of hyperkeratosis of the dorsal surface of the tongue B. Furrows outlined the ... (fissures) radiating from a central fissure G. Irregular area in the midline of the tongue
Last Answer : C. Loss (atrophy) of filiform papillae in multiple irregularly outlined areas
Description : Name two types of photoreceptors present in the eye:?
Last Answer : Rods and cones
Description : The following cells contribute the wavefronts of the flash ERG: a. retinal pigment epithelium b. corneal endothelium c. photoreceptors d. ganglion cell
Last Answer : photoreceptors
Description : The following are true about the ERG: a. in infarction of the choroidal circulation the a-wave of the ERG is reduced or absent b. the ERG is always abnormal in patients with macular diseases c. ... can be used to isolate cone photoreceptors d. the b-wave of ERG is reduced in dark-adapted eye
Last Answer : the b-wave of ERG is reduced in dark-adapted eye
Description : The following are true about critical fusion frequency: a. it refers to the rate at which stimuli can be presented and still be perceived as separate stimuli b. it is dependent on visual ... on the spacing between neighbouring photoreceptors d. it depends on the time-resolving ability of the eye
Last Answer : it depends on the time-resolving ability of the eye
Description : The following are true: a. the ratio of rod to cone is about 20:1 b. there are more ganglion cells in the retina than photoreceptors c. the rod density is the highest nasal to the optic disc d. the retinal artery is the main supply of nutrients to the photoreceptors
Last Answer : the ratio of rod to cone is about 20:1
Description : The following are true about electroretinogram: a. the a-wave is produced by the photoreceptors b. the b-wave is produced by the ganglion cells c. c-wave is produced by the retinal pigment epithelium d. different light frequencies can be used to separate rod and cone respons
Last Answer : he a-wave is produced by the photoreceptors
Description : The following are true about electroretinogram: a. the a-wave is produced by the photoreceptors b. the b-wave is produced by the ganglion cells c. c-wave is produced by the retinal pigment epithelium d. different light frequencies can be used to separate rod and cone response
Last Answer : the a-wave is produced by the photoreceptors
Description : Photoreceptors (Rods and cones) of eye are present in (a) Sclera (b) Cornea (c) Retina (d) Pupil
Last Answer : (c) Retina
Description : Parts A, B, C and D of the human eye are shown in the diagram. Select the option which gives correct identification along with its functions characteristics. (a) C-Aqueous chamber-Reflects the light which does not ... , i.e., rods and cones. (d) B - Blind spot-Has only a few rods and cones.
Last Answer : (c) A - Retina - Contains photoreceptors, i.e., rods and cones.
Description : Choose the correct statement. (a) Nociceptors respond to changes in pressure. (b) Meissner's corpuscles are thermoreceptors. (c) Photoreceptors in the human eye are depolarised during darkness and ... hyperpolarised in response to the light stimulus. (d) Receptors do not produce graded potentials.
Last Answer : (c) Photoreceptors in the human eye are depolarised during darkness and become hyperpolarised in response to the light stimulus.
Description : What are the two types of photoreceptors in the vertebrate eye called?
Last Answer : ANSWER: RODS and CONES
Description : Gas exchange surface of Earthworm is
Last Answer : Gas exchange surface of Earthworm is A. Skin B. Gills C. Ctenidia D. Trachea
Description : The earthworm that is considered as surface dwellers live near the soil surface is called as? A. endogeic B. epigeic C. anecicD. monogeic
Last Answer : A. endogeic
Description : If a live earthworm is pricked with a needle on its outer surface without damaging its gut, the fluid that comes out is (a) coelomic fluid (b) haemolymph (c) slimy mucus (d) excretory fluid.
Last Answer : (a) coelomic fluid
Description : Lateral line sense organs occur in
Last Answer : Lateral line sense organs occur in A. Cartilaginous fishes B. Bony fishes C. Amphibian larvae D. Reptiles
Description : All the following processes occur rapidly in the membrane lipid bilayer except (A) Flexing of fatty acyl chains (B) Lateral diffusion of phospholipids (C) Transbilayer diffusion of phopholipids (D) Rotation of phospholipids around their long axes
Last Answer : C
Description : All the following processes occur rapidly in the membrane lipid bilayer except (A) Flexing of fatty acyl chains (B) Lateral diffusion of phospholipids (C) Transbilayer diffusion of phospholipids (D) Rotation of phospholipids around their long axes
Last Answer : (C) Transbilayer diffusion of phospholipids
Description : What inspired reflecting road lights to be invented? A. Car door reflecting mirrors B. The light a cat’s eyes gave off on a fence (Answer) C. Sun light on steel posts on road sides D. The sun light on the windshield
Last Answer : B. The light a cat’s eyes gave off on a fence (Answer)
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
Description : Correct combination for the parts of thorasic cavity and their position is :- `{:((A),"Ribs",(i),"Ventral"),((b),"Diaphragm",(ii),"Dorsal"),((c),"vert
Last Answer : Correct combination for the parts of thorasic cavity and their position is :- `{:((A),"Ribs",(i),"Ventral"),((b)," ... B-(iii), C-(ii), D-(i), E-(iv)
Description : round swelling at the dorsal portion of the midbrain is known as
Last Answer : round swelling at the dorsal portion of the midbrain is known as
Description : The dorsal plate of skeleton found on the abdomen of cockroach is called :
Last Answer : The dorsal plate of skeleton found on the abdomen of cockroach is called : A. Pleuron B. Sternum C. Tergum D. Vertex
Description : Which moveble chitneous plate joined with dorsal part of head :-
Last Answer : Which moveble chitneous plate joined with dorsal part of head :- A. Labrum B. Clypeus C. Labium D. Forhead or frons
Description : Label the given figures representing ventral and dorsal view of Gonyaulax.
Last Answer : Label the given figures representing ventral and dorsal view of Gonyaulax.
Description : What is a Dorsal root made of?
Description : Where is dorsal side?
Description : What is the dorsal forearm?
Description : If the dorsal root of the spinal nerve were cut?
Last Answer : What is the answer ?
Description : Does a kangaroo have a dorsal nerve cord notochord?
Last Answer : dorsal nerve cord