The second maturation division of the mammalian ovum occurs

The second maturation division of the mammalian ovum occurs
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The second maturation division of the mammalian ovum occurs A. In the Graafian follicle following the ... the sperm has fused with that of the ovum
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Second maturation division of mammalian ovum occurs

Description : Second maturation division of mammalian ovum occurs

Last Answer : Second maturation division of mammalian ovum occurs A. Until after sperm has penetrated ovum B. ... after ovulation before entry into fallopian tube.

The second maturation division of the mammalian ovum occurs (a) shortly after ovulation before the ovum makes entry into the fallopian tube (b) until after the ovum has been penetrated by a sperm (c) until the nucleus of the sperm has fused with that of the ovum (d) in the Graafian follicle following the first maturation division.

Description : The second maturation division of the mammalian ovum occurs (a) shortly after ovulation before the ovum makes entry into the fallopian tube (b) until after the ovum has been penetrated by a sperm ... with that of the ovum (d) in the Graafian follicle following the first maturation division.

Last Answer : (b) until after the ovum has been penetrated by a sperm

Which one of the following is the correct matching of the events occurring during menstrual cycle? (a) Proliferative phase : Rapid regeneration of myometrium and maturation of Graafian follicle (b) Secretory phase : Development of corpus luteum and increased secretion of progesterone (c) Menstruation : Breakdown of myometrium and ovum not fertilised (d) Ovulation : LH and FSH attain peak level and sharp fall in the secretion of progesterone

Description : Which one of the following is the correct matching of the events occurring during menstrual cycle? (a) Proliferative phase : Rapid regeneration of myometrium and maturation of Graafian follicle (b) ... ) Ovulation : LH and FSH attain peak level and sharp fall in the secretion of progesterone

Last Answer : (b) Secretory phase : Development of corpus luteum and increased secretion of progesterone

Which types of division take place during second maturation division ?

Description : Which types of division take place during second maturation division ?

Last Answer : Which types of division take place during second maturation division ? A. Reduction division B. Equational division C. Amitosis D. None

If mammalian ovum fails to get fertilised, which one of the following is unlikely?

Description : If mammalian ovum fails to get fertilised, which one of the following is unlikely?

Last Answer : If mammalian ovum fails to get fertilised, which one of the following is unlikely? A. ... rapidly declines D. Estrogen secretion further decreases.

Various changes in mammalian sperm which prepare it to fertilise the ovum are called :

Description : Various changes in mammalian sperm which prepare it to fertilise the ovum are called :

Last Answer : Various changes in mammalian sperm which prepare it to fertilise the ovum are called : A. Capacitation B. Regeneration C. Growth D. None of these

If mammalian ovum fails to get fertilised, which one of the following is unlikely? (a) Corpus luteum will disintegrate. (b) Progesterone secretion rapidly declines. (c) Estrogen secretion further increases. (d) Primary follicle starts developing.

Description : If mammalian ovum fails to get fertilised, which one of the following is unlikely? (a) Corpus luteum will disintegrate. (b) Progesterone secretion rapidly declines. (c) Estrogen secretion further increases. (d) Primary follicle starts developing.

Last Answer : (c) Estrogen secretion further increases.

Extrusion of second polar body from egg occurs (a) simultaneously with first cleavage (b) after entry of sperm but before fertilisation (c) after fertilisation (d) before entry of sperm into ovum.

Description : Extrusion of second polar body from egg occurs (a) simultaneously with first cleavage (b) after entry of sperm but before fertilisation (c) after fertilisation (d) before entry of sperm into ovum.

Last Answer : (b) after entry of sperm but before fertilisation

(i) Mention the event that induces the completion of the meiotic division of the secondary oocyte. (ii) Trace the journey of the ovum from the ovary, its fertilisation and further development until the implantation of the embryo. -Biology

Description : (i) Mention the event that induces the completion of the meiotic division of the secondary oocyte. (ii) Trace the journey of the ovum from the ovary, its fertilisation and further development until the implantation of the embryo. -Biology

Last Answer : (i)Secondary oocyte completes meiosis-ll only when a sperm enters its cytoplasm. It forms a larger cell, the ootid and a small cell, the second polar body. (ii)The secondary oocyte is ... and inner cell mass.The trophoblast attacheds to endometrium (implantation) and blastocyst gets embedded in it.

Meiotic division of the secondary oocyte is completed (a) prior to ovulation (b) at the time of copulation (c) after zygote formation (d) at the time of fusion of a sperm with an ovum.Meiotic division of the secondary oocyte is completed (a) prior to ovulation (b) at the time of copulation (c) after zygote formation (d) at the time of fusion of a sperm with an ovum.

Description : Meiotic division of the secondary oocyte is completed (a) prior to ovulation (b) at the time of copulation (c) after zygote formation (d) at the time of fusion of a sperm with an ovum.

Last Answer : (d) at the time of fusion of a sperm with an ovum.

Which of the following refers to any systematic change that occurs over time in the way in which the dependent variable is assessed? a. Instrumentation b. Maturation c. Testing d. Selection

Description : Which of the following refers to any systematic change that occurs over time in the way in which the dependent variable is assessed? a. Instrumentation b. Maturation c. Testing d. Selection

Last Answer : a. Instrumentation

Assertion : Normally monospermy occurs in most of animals . Reason : Vitelline membrane of ovum checks polyspermy .

Description : Assertion : Normally monospermy occurs in most of animals . Reason : Vitelline membrane of ovum checks polyspermy .

Last Answer : Assertion : Normally monospermy occurs in most of animals . Reason : Vitelline membrane of ovum checks ... D. If both Assertion & Reason are False.

The part where fertilization of ovum occurs in placental mammals is :

Description : The part where fertilization of ovum occurs in placental mammals is :

Last Answer : The part where fertilization of ovum occurs in placental mammals is : A. Ovary B. Uterus C. Vagina D. Fallopian tube

Fertilization of the ovum by the sperm usually occurs in the: a) oviduct b) vagina c) uterus d) ovary

Description : Fertilization of the ovum by the sperm usually occurs in the: a) oviduct b) vagina c) uterus d) ovary

Last Answer : ANSWER: A -- OVIDUCT

In mammalian cell cycle, synthesis of DNA occurs during (A) S phase (B) G1 phase (C) Mitotic Phase (D) G2 phase

Description : In mammalian cell cycle, synthesis of DNA occurs during (A) S phase (B) G1 phase (C) Mitotic Phase (D) G2 phase

Last Answer : Answer : A

Chain elongation of fatty acids in mammalian liver occurs in (A) Nucleus (B) Ribosomes (C) Lysosomes (D) Microsomes

Description : Chain elongation of fatty acids in mammalian liver occurs in (A) Nucleus (B) Ribosomes (C) Lysosomes (D) Microsomes

Last Answer : Answer : D

Oxidative conversion of many amino acids to their corresponding -ketoacids occurs in mammalian: (A) Liver and kidney (B) Adipose tissue (C) Pancreas (D) Intestine

Description : Oxidative conversion of many amino acids to their corresponding -ketoacids occurs in mammalian: (A) Liver and kidney (B) Adipose tissue (C) Pancreas (D) Intestine

Last Answer : Answer : A

Glucokinase (A) Is widely distributed and occurs in most mammalian tissues (B) Has a high km for glucose and hence is important in the phosphorylation of glucose primarily after ingestion of a carbohydrate rich meal (C) Is widely distributed in Prokaryotes (D) None of these

Description : Glucokinase (A) Is widely distributed and occurs in most mammalian tissues (B) Has a high km for glucose and hence is important in the phosphorylation of glucose primarily after ingestion of a carbohydrate rich meal (C) Is widely distributed in Prokaryotes (D) None of these

Last Answer : B

Humanity: Are we reaching our maturation?

Description : Humanity: Are we reaching our maturation?

Last Answer : I think that sexual reproduction involving a male is going to end as an evolutionary experiment. When all human beings are female we will be closer to done. It is now possible to create gametes ... material) they are now on the edge of the condition of being supernumerary. The experiment continues.

What technically defines brain "maturity" or "maturation"?

Description : What technically defines brain "maturity" or "maturation"?

Last Answer : …Ask nikipedia.

avocado fruit dropping before maturation

Description : avocado fruit dropping before maturation

Last Answer : Need Answer

How are general growth and sexual v maturation different from each other? -Biology

Description : How are general growth and sexual v maturation different from each other? -Biology

Last Answer : General growth refers to different types of developmental process in the body like increase in height, weight gain, changes in shape and size of the body. During this phase, the reproductive ... slower rate. During sexual maturation, the changes that occur prepare the body for sexual reproduction.

why sterile tissues degenerate in anther during the maturation of pollen grain -Biology

Description : why sterile tissues degenerate in anther during the maturation of pollen grain -Biology

Last Answer : answer:

Is there any reliable treatment to prevent premature hair loss , what to do to prevent premature hair maturation ?

Description : Is there any reliable treatment to prevent premature hair loss , what to do to prevent premature hair maturation ?

Last Answer : Both amalki and lemon are grown in our country and are readily available. The nutritional value of these two fruits is very high. These two fruits do not go hand in hand in supplying essential vitamins for ... day , then wash it with shampoo. Then you will see that the hair has decreased a lot.

One of the factors required for the maturation of erythrocytes is

Description : One of the factors required for the maturation of erythrocytes is

Last Answer : One of the factors required for the maturation of erythrocytes is A. Vitamin `B_(12)` B. Vitamin A C. Vitamin D D. Vitamin C

Vitamin which induced maturation of R.B.C. `:-`

Description : Vitamin which induced maturation of R.B.C. `:-`

Last Answer : Vitamin which induced maturation of R.B.C. `:-` A. `B_(1)` B. A C. `B_(12)` D. D

Process of maturation and evelopment of sperms is

Description : Process of maturation and evelopment of sperms is

Last Answer : Process of maturation and evelopment of sperms is A. Spermatogenesis B. Spermiogenesis C. Oogenesis D. Spermiation.

The functional maturation of sperms takes place in :-

Description : The functional maturation of sperms takes place in :-

Last Answer : The functional maturation of sperms takes place in :- A. Oviduct B. Epididymis C. Vagina D. All of these

In mammals , maturation of sperm take place at a temperature

Description : In mammals , maturation of sperm take place at a temperature

Last Answer : In mammals , maturation of sperm take place at a temperature A. equal to that of body B. higher ... . lower than that of body D. at any temperature

The minute cells which separate from the developing ova during their maturation are called

Description : The minute cells which separate from the developing ova during their maturation are called

Last Answer : The minute cells which separate from the developing ova during their maturation are called A. ... Oogonia C. Polar bodies D. Primary spermatogonia

Which of the following statements regarding neutrophils are true? a. The neutrophil undergoes final maturation after release into the circulation b. Patients with chronic granulomatous disease have a defective neutrophil H-oxidase system c. Neutrophil killing of bacteria is achieved by oxidants, proteinases and cationic proteins d. The normal human neutrophil circulates in the blood for 7–10 days

Description : Which of the following statements regarding neutrophils are true? a. The neutrophil undergoes final maturation after release into the circulation b. Patients with chronic granulomatous disease have a defective ... proteins d. The normal human neutrophil circulates in the blood for 7-10 days

Last Answer : Answer: b, c The neutrophil is a migratory phagocytic cell that defends the host against bacteria and eliminates necrotic tissue. The neutrophil matures in the bone marrow and is ... phagocytose bacteria, they are unable to kill the intracellular microbes and chronic, unresolved infections result

One of these vitamins is called erythrocyte maturation factor - (1) A (2) C (3) K (4) B-12

Description : One of these vitamins is called erythrocyte maturation factor - (1) A (2) C (3) K (4) B-12

Last Answer : (4) B-12 Explanation: Essential for the maturation of red blood cells are Vitamin B12 (cobalamin) and Vitamin B9 (Folic acid).

Maturation of anthers and stigma at the same time refers to: a. Homogamy b. Chasmogamy c. Cleistogamy d. Dichogamy

Description : Maturation of anthers and stigma at the same time refers to: a. Homogamy b. Chasmogamy c. Cleistogamy d. Dichogamy

Last Answer : Homogamy

If for some reason our goblet cells are non- functional, this will adversely affect (a) production of somatostatin (b) secretion of sebum from the sebaceous glands (c) maturation of sperms (d) smooth movement of food down the intestine.

Description : If for some reason our goblet cells are non- functional, this will adversely affect (a) production of somatostatin (b) secretion of sebum from the sebaceous glands (c) maturation of sperms (d) smooth movement of food down the intestine.

Last Answer : (d) smooth movement of food down the intestine.

Which one of the factors are required for the maturation of erythrocytes ? (a) Vitamin B12 (b) Vitamin C (c) Vitamin D (d) Vitamin A

Description : Which one of the factors are required for the maturation of erythrocytes ? (a) Vitamin B12 (b) Vitamin C (c) Vitamin D (d) Vitamin A

Last Answer : (a) Vitamin B12

Root hair develop from the region of (a) elongation (b) root cap (c) meristematic activity (d) maturation.

Description : Root hair develop from the region of (a) elongation (b) root cap (c) meristematic activity (d) maturation.

Last Answer : (d) maturation.

Plant tranquillisers (A) Hold back stem growth and halt plants at a desired height (B) Cause early maturation of plants (C) Accelerate ripening of food and grain(D) Produce seedless fruit

Description : Plant tranquillisers (A) Hold back stem growth and halt plants at a desired height (B) Cause early maturation of plants (C) Accelerate ripening of food and grain (D) Produce seedless fruit

Last Answer : (A) Hold back stem growth and halt plants at a desired height

Lagoons used for purification of polluted water (A) Are large shallow artificial lakes also known as clarification lakes, maturation ponds or oxidation ponds (B) Use micro-organisms/bacteria in presence of dissolved oxygen (C) Gives an excellent final effluent (with 3 to 4 lagoons arranged in series) having suspended solid < 1 mg/litre and BOD = 3.8 mg/litre (D) All (A), (B) & (C)

Description : Lagoons used for purification of polluted water (A) Are large shallow artificial lakes also known as clarification lakes, maturation ponds or oxidation ponds (B) Use micro-organisms/bacteria in presence of dissolved oxygen (C) Gives an ... 1 mg/litre and BOD = 3.8 mg/litre (D) All (A), (B) & (C)

Last Answer : (D) All (A), (B) & (C)

When a viral nucleic acid becomes part of the host cell chromosome it is called _____. a. lysis b. lysogeny c. maturation d. latent

Description : When a viral nucleic acid becomes part of the host cell chromosome it is called _____. a. lysis b. lysogeny c. maturation d. latent

Last Answer : b. lysogeny

Which of the following is not a product of learning (a) Attitudes (b) Maturation (c) Knowledge (d) Concepts

Description : Which of the following is not a product of learning (a) Attitudes (b) Maturation (c) Knowledge (d) Concepts

Last Answer : (d) Concepts

You are charged a ______ brokerage fee to issue bonds and ______ brokerage fee if you retire bonds prior to their maturation date. a. 0%; 5% b. 5%; 5% c. 5%; 0% d. 5%; 1.5% e. 1.5%; 5%

Description : You are charged a ______ brokerage fee to issue bonds and ______ brokerage fee if you retire bonds prior to their maturation date. a. 0%; 5% b. 5%; 5% c. 5%; 0% d. 5%; 1.5% e. 1.5%; 5%

Last Answer : d. 5%; 1.5%

Of all the factors that increase the resistance of teeth to dental caries, THE MOST EFFECTIVE is,** A. The general nutrition of a child during the period of tooth formation B. The intake of fluoride during the period of enamel mineralization and maturation C. Periodic topical fluoride application by dental health care following tooth eruption D. Sufficient intake of calcium and Vitamin D during the period of enamel mineralization and maturation

Description : Of all the factors that increase the resistance of teeth to dental caries, THE MOST EFFECTIVE is,** A. The general nutrition of a child during the period of tooth formation B. The ... eruption D. Sufficient intake of calcium and Vitamin D during the period of enamel mineralization and maturation

Last Answer : B. The intake of fluoride during the period of enamel mineralization and maturation

Following are the threats to internal validity Except one; a. Novelty Effect b. History c. Selection d. Maturation

Description : Following are the threats to internal validity Except one; a. Novelty Effect b. History c. Selection d. Maturation

Last Answer : a. Novelty Effect

Which of the following in not one of the key threats to internal validity? a. Maturation b. Instrumentation c. Temporal change d. History

Description : Which of the following in not one of the key threats to internal validity? a. Maturation b. Instrumentation c. Temporal change d. History

Last Answer : c. Temporal change

Which one refers to physical or mental changes that may occur within individuals over time, such as aging, learning, boredom, hunger, and fatigue? a. Instrumentation b. History c. Maturation d. Testing

Description : Which one refers to physical or mental changes that may occur within individuals over time, such as aging, learning, boredom, hunger, and fatigue? a. Instrumentation b. History c. Maturation d. Testing

Last Answer : c. Maturation

Which is an effect of the hormone estrogen? A) accumulation of a fat layer beneath the skin B) pelvic girdle grows wider C) breast development D) egg maturation and menstrual cycle control E) All of the choices are estrogen effects.

Description : Which is an effect of the hormone estrogen? A) accumulation of a fat layer beneath the skin B) pelvic girdle grows wider C) breast development D) egg maturation and menstrual cycle control E) All of the choices are estrogen effects.

Last Answer : E) All of the choices are estrogen effects.

Given below are the events that lead to pregnancy and development of embryo i. fertilisation of egg ii. maturation of egg iii. release of egg iv. embedding of embryo in uterus a) i, ii, iii, iv b)ii, i, iii, iv c)i, iv , ii, iii d)ii, iii, i , iv,

Description : Given below are the events that lead to pregnancy and development of embryo i. fertilisation of egg ii. maturation of egg iii. release of egg iv. embedding of embryo in uterus a) i, ii, iii, iv b)ii, i, iii, iv c)i, iv , ii, iii d)ii, iii, i , iv,

Last Answer : d)ii, iii, i , iv,

The cutting and gathering of crop after maturation is known as _______. a) harvesting b)threshing c)winnowing d)sowing

Description : The cutting and gathering of crop after maturation is known as _______. a) harvesting b)threshing c)winnowing d)sowing

Last Answer : a) harvesting

Estrogens exert the following actions except: A. Cornification of vaginal epithelium B. Proliferation of endometrium C. Maturation of graafian follicle D. Anabolism

Description : Estrogens exert the following actions except: A. Cornification of vaginal epithelium B. Proliferation of endometrium C. Maturation of graafian follicle D. Anabolism

Last Answer : C. Maturation of graafian follicle

8.The reason for increased amount of progesterone during the secretory phase of menstrual cycle is ---- ---- . ( a)Maturation of secondary follicle, b)Increased secretion of FSH, c)Regression of corpus luteum, d)Formation of corpus luteum from Graafian follicle )

Description : 8.The reason for increased amount of progesterone during the secretory phase of menstrual cycle is ---- ---- . ( a)Maturation of secondary follicle, b)Increased secretion of FSH, c)Regression of corpus luteum, d)Formation of corpus luteum from Graafian follicle )

Last Answer : d)Formation of corpus luteum from Graafian follicle