Description : Which of the following layers is acellular in antral follicle
Last Answer : Which of the following layers is acellular in antral follicle A. Granulosa B. Theca interna C. Stroma D. Zona pellucida.
Description : Which of the following layers in an antral follicle is acellular?
Last Answer : Which of the following layers in an antral follicle is acellular? A. Zona pellucida B. Granulosa C. Theca interna D. Stroma
Description : During fertilization, zona pellucida is dissolved by
Last Answer : During fertilization, zona pellucida is dissolved by A. Hyaluronidase B. Hyaluronic acid C. Renin D. Acrosin
Description : Assertion : Presence of zona pallucida over the fertilized ovum prevents ectopic pregnancy . Reason : Zona pellucida helps the ovum to penetrate endom
Last Answer : Assertion : Presence of zona pallucida over the fertilized ovum prevents ectopic pregnancy . Reason : Zona ... . If both Assertion & Reason are False.
Description : Assertion : Zona pellucida is glycoproteinous in nature and dissolved during the event of implantation . Reason : The blastocyst , along with zona pel
Last Answer : Assertion : Zona pellucida is glycoproteinous in nature and dissolved during the event of implantation . ... . If both Assertion & Reason are False.
Description : Match the following columns and select the correct option. Column-I Column-II (A) Placenta (i) Androgens (B) Zona pellucida (ii) Human Chorionic Gonadotropin (HCG) (C) Bulbourethral glands (iii) Layer of the ovum (D) Leydig cells (iv) ... (ii) (iii) (c) (iii) (ii) (iv) (i) (d) (ii) (iii) (iv) (i)
Last Answer : (d) (ii) (iii) (iv) (i)
Description : What happens during fertilisation in humans after many sperms reach close to the ovum? (a) Secretions of acrosome helps one sperm enter cytoplasm of ovum through zona pellucida. (b) All sperms except ... all the sperms except one. (d) Only two sperms nearest the ovum penetrate zona pellucida.
Last Answer : (a) Secretions of acrosome helps one sperm enter cytoplasm of ovum through zona pellucida.
Description : The corneal stroma: a. measures 500 um thick b. transmits 90% of the incoming light c. derives most of its oxygen from the precorneal tear film d. is acellular which accounts for its transparency
Last Answer : measures 500 um thick
Description : The cornea: a. is thicker centrally than peripherally b. contains 10,000 endothelium cells per square mm at birth c.has an acellular collagenous stroma d. contain Descemet's membrane is produced by the endothelium e. has a refractive index of 1.38
Last Answer : contain Descemet's membrane is produced by the endothelium
Description : Which part of ovary in mammals acts as an endocrine gland after ovulation? (a) Stroma (b) Germinal epithelium (c) Vitelline membrane (d) Graafian follicle
Last Answer : (d) Graafian follicle
Description : Demodex mites live where? A. Stratum Corneum B. All skin layers C. In the follicle D. On the hair shaft
Last Answer : Ans: C
Description : What is a theca? -Biology
Last Answer : answer:
Description : Identify the correct statement on inhibin'. (a) Is produced by granulosa cells in ovary and inhibits the secretion of LH (b) Is produced by nurse cells in testes and inhibits the secretion of LH ... , FSH and prolactin (d) Is produced by granulosa cells in ovary and inhibits the secretion of FSH
Last Answer : (d) Is produced by granulosa cells in ovary and inhibits the secretion of FSH
Description : What is Tunica Interna ?
Last Answer : : The inner layer of an artery is called a tunica interna. It is made of plain coating banana.
Description : A vein possesses a large lumen because (a) tunica media and tunica externa form a single coat (b) tunica interna and tunica media form a single coat (c) tunica interna, tunica media and tunica externa are thin (d) tunica media is a thin coat.
Last Answer : (d) tunica media is a thin coat.
Description : A persistent oroantral fistula for a 12 weeks period following the extraction of a maxillary first permanent molar is best treated by, a. Further review and reassurance since it will most ... Excision of the fistula and surgical closure. e. Maxillary antral wash out and nasal antrostomy.
Last Answer : d. Excision of the fistula and surgical closure.
Description : What is your management with a chronic oral antral fistula for some time after the extraction of maxillary first molar: A. Surgical closure B. Anti-biotic and nasal decongestant C. Wash the antrum D. All of the above
Last Answer : D. All of the above
Description : A persistent oroantral fistula for a 12 weeks period following the extraction of a maxillary first permanent molar is best treated by,** A. Further review and reassurance since it will most ... . Excision of the fistula and surgical closure E. Maxillary antral wash out and nasal antrostomy.
Last Answer : D. Excision of the fistula and surgical closure
Description : Zona glomerulosa of adrenal cortex synthesises (A) Glucocorticoids (B) Mineralocorticoids (C) Androgens (D) Estrogen and progesterone HORMONE METABOLISM 223
Last Answer : Answer : A
Description : Catecholamine hormones are synthesized in the (A) Chromaffin cells of adrenal medulla (B) Zona glomerulosa of adrenal cortex (C) Zona fasciculate of adrenal cortex (D) Zona reticularis of adrenal cortex
Description : Aldosterone synthesis occurs in (A) Zona reticularis (B) Zona fasciculata (C) Zona glomerulosa (D) Chromaffian cells
Last Answer : Answer : C
Description : Cortisol is synthesized in (A) Zona fasiculata (B) Zona glomerulosa (C) Zona reticularis (D) Chromaffin cells
Description : The following are true about the hormones secreted by the adrenal cortex: a. zona fasciculata secretes cortisol b. zona glomerulosa secretes aldosterone c. secretion of aldosterone is stimulated by ACTH d. all
Last Answer : all
Description : difference between acellular and cellular slime mould -Biology
Description : Why are viruses referred to as being acellular?
Last Answer : organisms, as they have been considered either as very simple microorganisms or very complex molecules
Description : Why is a virus called acellular organism ?
Last Answer : : Virus has no cell wall , plasmalema , well-organized nucleus , cytoplasm etc. in the body. That is why viruses are called inorganic organisms.
Description : Viruses are – (1) Cellular (2) Acellular (3) Unicellular (4) Multicellular
Last Answer : (2) Acellular Explanation: Although they may seem to behave as living things, viruses are actually acellular, nonliving particles.
Description : The vitreous gel: a. contains 98% water b. is made up of 0.1% hyaluronic acid c. is acellular d. contains mainly type II and type III collagen
Last Answer : contains 98% water
Description : Sycon belongs to a group of animals, which are best described as (a) unicellular or acellular (b) multicellular without any tissue organization (c) multicellular with a gastrovascular system (d) multicellular having tissue organization, but no body cavity.
Last Answer : (b) multicellular without any tissue organization
Description : why plants tend to store sugars in form of starch in the stroma? -Biology
Description : Stroma in the chloroplasts of higher plant cantains
Last Answer : Stroma in the chloroplasts of higher plant cantains A. Chlorophyll B. Light-independent reaction ... . Light-independent reaction enzymes D. Ribosomes
Description : Stroma is the ground matrix of
Last Answer : Stroma is the ground matrix of A. Endoplasmic reticulum B. Mitochondria C. Nucleolus D. Chloroplast
Description : Central stroma of ovary is made up of
Last Answer : Central stroma of ovary is made up of A. Fibrous connective tissue B. Reticular tissue C. Adipose connective tissue D. None
Description : Grana and Stroma are found in
Last Answer : Ans. Chloroplast
Description : The following are true about the cornea: a. the stroma contains collagen fibrils of regular thickness b. the Bowman's layer contains randomly arranged collagen fibrils c. the Bowman's layer is the ... layer of the epithelium d. type I collagen is the main type of collagen found in the cornea
Last Answer : type I collagen is the main type of collagen found in the cornea
Description : The endothelium: a. maintains the integrity of the corneal stroma through an ATP-Na+, K+-dependent pump b. receives its nutrient from the blood vessels surrounding the cornea c. undergoes multiplication in response to trauma d. contains tight junction between adjacent endothelium
Last Answer : maintains the integrity of the corneal stroma through an ATP-Na+, K+-dependent pump
Description : The following structures are of ectodermal origin: a. the retina and its retinal pigment epithelium b. iris stroma c. the sclera d. the ciliary muscle e. the corneal stroma
Last Answer : the retina and its retinal pigment epithelium
Description : During photorespiration, the oxygen consuming reaction(s) occur in (a) stroma of chloroplasts (b) stroma of chloroplasts and mitochondria (c) stroma of chloroplasts and peroxisomes (d) grana of chloroplasts and peroxisomes.
Last Answer : (c) stroma of chloroplasts and peroxisomes
Description : In C4 plants, Calvin cycle operates in (a) stroma of bundle sheath chloroplasts (b) grana of bundle sheath chloroplasts (c) grana of mesophyll chloroplasts (d) stroma of mesophyll chloroplasts.
Last Answer : (a) stroma of bundle sheath chloroplasts
Description : Dark reactions of photosynthesis occur in (a) granal thylakoid membranes (b) stromal lamella membranes (c) stroma outside photosynthetic lamellae (d) periplastidial space.
Last Answer : c) stroma outside photosynthetic lamellae
Description : Photosystem II occurs in (a) stroma (b) cytochrome (c) grana (d) mitochondrial surface.
Last Answer : (c) grana
Description : Read the following four statements, (i), (ii), (iii) and (iv) and select the right option having both correct statements. Statements : (i) Z scheme of light reaction takes place in presence of PSI only. (ii) Only PSI is ... and (iv) (b) (i) and (ii) (c) (ii) and (iii) (d) (iii) and (iv)
Last Answer : (a) (ii) and (iv)
Description : In a chloroplast the highest number of protons are found in (a) intermembrane space (b) antennae complex (c) stroma (d) lumen of thylakoids.
Last Answer : (d) lumen of thylakoids
Description : Stroma in the chloroplasts of higher plant contains (a) light-dependent reaction enzymes (b) ribosomes (c) chlorophyll (d) light-independent reaction enzymes.
Last Answer : d) light-independent reaction enzymes.
Description : In chloroplasts, chlorophyll is present in the (a) outer membrane (b) inner membrane (c) thylakoids (d) stroma.
Last Answer : (c) thylakoids
Description : Chlorophyll in chloroplasts is located in (a) grana (b) pyrenoid (c) stroma (d) both grana and stroma.
Last Answer : (a) grana
Description : The structures that are formed by stacking of organised flattened membranous sacs in the chloroplasts are (a) stroma lamellae (b) stroma (c) cristae (d) grana.
Last Answer : (d) grana.
Description : Match the columns and identify the correct option. Column I Column II A. Thylakoids (i) Disc-shaped sacs in Golgi apparatus B. Cristae (ii) Condensed structure of DNA C. Cisternae (iii) Flat membranous sacs in stroma D. Chromatin (iv) ... iii), C-(i), D-(ii) (d) A-(iii), B-(iv), C-(i), D-(ii)
Last Answer : (d) A-(iii), B-(iv), C-(i), D-(ii)