Assertion : Distal centriole acts as a basal granule . Reason : Distal centriole induces cleavage in egg.

Assertion : Distal centriole acts as a basal granule . Reason : Distal centriole induces cleavage in egg.
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Assertion : Distal centriole acts as a basal granule . Reason : Distal centriole induces cleavage in egg ... D. If both Assertion & Reason are False.
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Assertion : Cleavage in human zygote is holoblastic . Reason : Its egg contain enormous quantity of yolk.

Description : Assertion : Cleavage in human zygote is holoblastic . Reason : Its egg contain enormous quantity of yolk.

Last Answer : Assertion : Cleavage in human zygote is holoblastic . Reason : Its egg contain enormous quantity of yolk ... D. If both Assertion & Reason are False.

Match the following and select the correct answer. (A) Centriole (i) lnfoldings in mitochondria (B) Chlorophyll (ii) Thylakoids (C) Cristae (iii)Nucleic acids (D) Ribozymes (iv) Basal body of cilia or flagella A B C D (a) (iv) (ii) (i) (iii) (b) (i) (ii) (iv) (iii) (c) (i) (iii) (ii) (iv) (d) (iv) (iii) (i) (ii)

Description : Match the following and select the correct answer. (A) Centriole (i) lnfoldings in mitochondria (B) Chlorophyll (ii) Thylakoids (C) Cristae (iii)Nucleic acids (D) Ribozymes (iv) Basal body of cilia or flagella A B C D (a) (iv) (ii) ... ii) (iv) (iii) (c) (i) (iii) (ii) (iv) (d) (iv) (iii) (i) (ii)

Last Answer : (a) (iv) (ii) (i) (iii)

Assertion : The mammary glands of the female starts producing milk just after the process of parturition . Reason : High level of oxytocin induces mil

Description : Assertion : The mammary glands of the female starts producing milk just after the process of parturition . Reason : High level of oxytocin induces mil

Last Answer : Assertion : The mammary glands of the female starts producing milk just after the process of parturition ... D. If both Assertion & Reason are False.

Assertion : The level of FSH & LH attain a peak level in the middle of the menstrual cycle . Reason : The FSH & LH surge induces rupture of Graafian f

Description : Assertion : The level of FSH & LH attain a peak level in the middle of the menstrual cycle . Reason : The FSH & LH surge induces rupture of Graafian f

Last Answer : Assertion : The level of FSH & LH attain a peak level in the middle of the menstrual cycle . Reason ... . D. If both Assertion & Reason are False.

Assertion `:-` Antidiuretic hormone, increases the water permeability of distal convoluted tubule. Reason `:-` In the absence of ADH, water re-absorpt

Description : Assertion `:-` Antidiuretic hormone, increases the water permeability of distal convoluted tubule. Reason `:-` In the absence of ADH, water re-absorpt

Last Answer : Assertion `:-` Antidiuretic hormone, increases the water permeability of distal convoluted tubule. Reason ... . If both Assertion & Reason are false.

Assertion `:-` Angiotensin II is a powerful vasconstrictor Reason `:-` Aldosterone causes reabsorption of `Na^(+)` and water from distal parts of the

Description : Assertion `:-` Angiotensin II is a powerful vasconstrictor Reason `:-` Aldosterone causes reabsorption of `Na^(+)` and water from distal parts of the

Last Answer : Assertion `:-` Angiotensin II is a powerful vasconstrictor Reason `:-` Aldosterone causes reabsorption of ... D. If both Assertion & Reason are false.

Assertion : Nucleocytoplasmic ratio decreases in cleavage . Reason : During cleavage , cytoplasmic synthesis is faster than DNA synthesis.

Description : Assertion : Nucleocytoplasmic ratio decreases in cleavage . Reason : During cleavage , cytoplasmic synthesis is faster than DNA synthesis.

Last Answer : Assertion : Nucleocytoplasmic ratio decreases in cleavage . Reason : During cleavage , cytoplasmic synthesis ... If both Assertion & Reason are False.

Assertion (A): Diethyl ether reacts with hot Conc `H_(2)SO_(4)` and gives ethyl hydrogen sulphate Reason (R): The reaction involves cleavage of C-O bo

Description : Assertion (A): Diethyl ether reacts with hot Conc `H_(2)SO_(4)` and gives ethyl hydrogen sulphate Reason (R): The reaction involves cleavage of C-O bo

Last Answer : Assertion (A): Diethyl ether reacts with hot Conc `H_(2)SO_(4)` and gives ethyl hydrogen sulphate Reason (R ... R is false D. A is false but R is true

Assertion`:-` Cells of epithelium tissues rest on a thin basement membrane. Reason`:-` Basement membrane has both fibrous and basal lamina secreted by

Description : Assertion`:-` Cells of epithelium tissues rest on a thin basement membrane. Reason`:-` Basement membrane has both fibrous and basal lamina secreted by

Last Answer : Assertion`:-` Cells of epithelium tissues rest on a thin basement membrane. Reason`:-` Basement membrane ... D. If both Assertion & Reason are false.

is there a powder or granule available to kill powdery mildew?

Description : is there a powder or granule available to kill powdery mildew?

Last Answer : Need Answer

Which one of the following is not an inclusion body found in prokaryotes? (a) Glycogen granule (b) Polysome (c) Phosphate granule (d) Cyanophycean granule

Description : Which one of the following is not an inclusion body found in prokaryotes? (a) Glycogen granule (b) Polysome (c) Phosphate granule (d) Cyanophycean granule

Last Answer : (b) Polysome

Which of the following adrenergic inhibitors acts directly on the blood vessels, producing vasodilation? a) Prazosin hydrochloride (Minipress) Minipress is a peripheral vasodilator acting directly on the blood vessel. It is not used in angina and coronary artery disease, however, because it induces tachycardia if not preceded by administration of propranolol and a diuretic.

Description : Which of the following adrenergic inhibitors acts directly on the blood vessels, producing vasodilation? a) Prazosin hydrochloride (Minipress) Minipress is a peripheral vasodilator acting ... through centrally mediated alpha-adrenergic stimulation in the brain, producing blood pressure reduction.

Last Answer : a) Prazosin hydrochloride (Minipress) Minipress is a peripheral vasodilator acting directly on the blood vessel. It is not used in angina and coronary artery disease, however, because it induces tachycardia if not preceded by administration of propranolol and a diuretic.

a. The egg of is moderately telolecithal b. Sooner or later the cleavage pattern becomes irregular

Description : a. The egg of is moderately telolecithal b. Sooner or later the cleavage pattern becomes irregular

Last Answer : a. The egg of is moderately telolecithal b. Sooner or later the cleavage pattern becomes irregular A. ... D. Both the statements a and b are correct.

What is true about cleavage in fertilized egg in humans?

Description : What is true about cleavage in fertilized egg in humans?

Last Answer : What is true about cleavage in fertilized egg in humans? A. Meroblastic B. Starts when egg reaches ... tube D. It is identical to normal mitosis.

Cleavage in the fertilized egg of humans :

Description : Cleavage in the fertilized egg of humans :

Last Answer : Cleavage in the fertilized egg of humans : A. Starts in uterus B. is meroblastic C. starts when egg is in fallopian tube D. is discoidal

Types of cleavage in centrolecithal egg is

Description : Types of cleavage in centrolecithal egg is

Last Answer : Types of cleavage in centrolecithal egg is A. Spiral B. Superficial C. Discoidal D. Unequal holoblastic

What is true about cleavage in the fertilised egg in humans? (a) It starts while the egg is in fallopian tube. (b) It starts when the egg reaches uterus. (c) It is meroblastic. (d) It is identical to the normal mitosis

Description : What is true about cleavage in the fertilised egg in humans? (a) It starts while the egg is in fallopian tube. (b) It starts when the egg reaches uterus. (c) It is meroblastic. (d) It is identical to the normal mitosis

Last Answer : (a) It starts while the egg is in fallopian tube

In an egg, the type of cleavage is determined by (a) the amount and distribution of yolk (b) the number of egg membranes (c) the shape and size of the sperm (d) the size and location of the nucleus.

Description : In an egg, the type of cleavage is determined by (a) the amount and distribution of yolk (b) the number of egg membranes (c) the shape and size of the sperm (d) the size and location of the nucleus.

Last Answer : (a) the amount and distribution of yolk

A change in the amount of yolk and its distribution in the egg will affect (a) pattern of cleavage (b) number of blastomeres produced (c) fertilisation (d) formation of zygote.

Description : A change in the amount of yolk and its distribution in the egg will affect (a) pattern of cleavage (b) number of blastomeres produced (c) fertilisation (d) formation of zygote.

Last Answer : a) pattern of cleavage

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

Antidiuretic hormone (A) Is secreted by hypothalamus (B) Secretion is increased when osmolality of plasma decreases (C) Increases obligatory reabsorption of water (D) Acts on distal convoluted tubules and collecting ducts

Description : Antidiuretic hormone (A) Is secreted by hypothalamus (B) Secretion is increased when osmolality of plasma decreases (C) Increases obligatory reabsorption of water (D) Acts on distal convoluted tubules and collecting ducts

Last Answer : Answer : D

The following diuretic acts on the luminal membrane of distal tubule and collecting ducts to inhibit electrogenic Na+ reabsorption so that K+ excretion is diminished and bicarbonate excretion is enhanced: A. Xipamide B. Isosorbide C. Triamterene D. Spironolactone

Description : The following diuretic acts on the luminal membrane of distal tubule and collecting ducts to inhibit electrogenic Na+ reabsorption so that K+ excretion is diminished and bicarbonate excretion is enhanced: A. Xipamide B. Isosorbide C. Triamterene D. Spironolactone

Last Answer : C. Triamterene

Triamterene differs from spironolactone in that: A. It has greater natriuretic action B. Its K+ retaining action is not dependent on presence of aldosterone C. It acts from the luminal membrane side of the distal tubular cells D. Both ‘B’ and ‘C’ are correct

Description : Triamterene differs from spironolactone in that: A. It has greater natriuretic action B. Its K+ retaining action is not dependent on presence of aldosterone C. It acts from the luminal membrane side of the distal tubular cells D. Both ‘B’ and ‘C’ are correct

Last Answer : D. Both ‘B’ and ‘C’ are correct

Assertion : The duct - billed Platypus and the spiny anteater, both are egg - laying animals yet are grouped under mammals. Reason : Both of them have

Description : Assertion : The duct - billed Platypus and the spiny anteater, both are egg - laying animals yet are grouped under mammals. Reason : Both of them have

Last Answer : Assertion : The duct - billed Platypus and the spiny anteater, both are egg - laying animals yet ... false D. If both Assertion and Reason are false.

Assertion : When sperm enters in egg , one polar body is released in human . Reason : At the time of ovulation eggs found in secondary Oocyte phase .

Description : Assertion : When sperm enters in egg , one polar body is released in human . Reason : At the time of ovulation eggs found in secondary Oocyte phase .

Last Answer : Assertion : When sperm enters in egg , one polar body is released in human . Reason : At the time ... False . D. If both Assertion & Reason are False.

Assertion : Egg of eutherian is multicellular . Reason : Many follicular cells are attached with surface of egg .

Description : Assertion : Egg of eutherian is multicellular . Reason : Many follicular cells are attached with surface of egg .

Last Answer : Assertion : Egg of eutherian is multicellular . Reason : Many follicular cells are attached with surface ... D. If both Assertion & Reason are False.

Assertion: Biomagnification of DDT can enhance the decline in bird population. Reason: DDT causes thinning of egg shell and their premature breaking b

Description : Assertion: Biomagnification of DDT can enhance the decline in bird population. Reason: DDT causes thinning of egg shell and their premature breaking b

Last Answer : Assertion: Biomagnification of DDT can enhance the decline in bird population. Reason: DDT causes thinning of ... and Reason are false, then mark (4).

Assertion `:-` The wall of atria release ANF in response to high B.P. and blood volume. Reason `:-` ANF acts as a vasodilator and inhibits the release

Description : Assertion `:-` The wall of atria release ANF in response to high B.P. and blood volume. Reason `:-` ANF acts as a vasodilator and inhibits the release

Last Answer : Assertion `:-` The wall of atria release ANF in response to high B.P. and blood volume. Reason `: ... False. D. If both Assertion & Reason are false.

Assertion: `SO_(3)` acts as an oxidising agent as well as a reducing agent Reason: `SO_(2)` acts as an oxidising as well as a reducing agent

Description : Assertion: `SO_(3)` acts as an oxidising agent as well as a reducing agent Reason: `SO_(2)` acts as an oxidising as well as a reducing agent

Last Answer : Assertion: `SO_(3)` acts as an oxidising agent as well as a reducing agent Reason: `SO_(2)` acts as an oxidising as well as a reducing agent

Assertion When a charged particle moves perpendicular to a uniform magnetic field then its momentum remains constant. Reason Magnetic force acts perpe

Description : Assertion When a charged particle moves perpendicular to a uniform magnetic field then its momentum remains constant. Reason Magnetic force acts perpe

Last Answer : Assertion When a charged particle moves perpendicular to a uniform magnetic field then its momentum ... Assertion is false but Reason is true.

Assertion (A) : Periplaneta americana is nocturnal, omnivorous, household pest. Reason (R) : It is because it acts as scavenger. (a) A is true but R is false. (b) A is false but R is true. (c) Both A and R are true and R is correct explanation of A. (d) Both A and R are true but R is not correct explanation of A

Description : Assertion (A) : Periplaneta americana is nocturnal, omnivorous, household pest. Reason (R) : It is because it acts as scavenger. (a) A is true but R is false. (b) A is false but R is true. (c) Both ... R is correct explanation of A. (d) Both A and R are true but R is not correct explanation of A

Last Answer : (d) Both A and R are true but R is not correct explanation of A.

What is the function of the centriole?

Description : What is the function of the centriole?

Last Answer : A: The centriole is a cellular organelle that plays a role in cell division, helping to organize the microtubules that form the spindle fibers that separate the chromosomes during mitosis.

What is the function of the centriole?

Description : What is the function of the centriole?

Last Answer : A: The centriole is involved in cell division, and helps to organize the microtubules that form the spindle apparatus.

Explain the cartwheel structure of centriole. -Biology

Description : Explain the cartwheel structure of centriole. -Biology

Last Answer : answer:

Which cell contains centriole ?

Description : Which cell contains centriole ?

Last Answer : Does the cell contain centrioles ?

What is the function of centriole ?

Description : What is the function of centriole ?

Last Answer : : The main function of the centriole is to form macrophages during cell division and to facilitate the marginal movement of chromosomes. It also works to create cilia and flagella in cells with cilia and flagella. It also helps to form the tail of the sperm.

What is the function of centriole ?

Description : What is the function of centriole ?

Last Answer : : Centriole is usually covered by a transparent granular cytoplasm. It forms ester rays during cell division.

Proximal centriole of sperm is found in

Description : Proximal centriole of sperm is found in

Last Answer : Proximal centriole of sperm is found in A. Head B. Neck C. Middle piece D. Tail.

Which of the following part of spermatozoan aries from centriole ?

Description : Which of the following part of spermatozoan aries from centriole ?

Last Answer : Which of the following part of spermatozoan aries from centriole ? A. Apical cap B. Head C. Middle piece D. Tail

How many of the following is observed in the interphase nucleus ? Chromatid, Nucleosome, Centriole, Nucleouls, Centromere, Kinetochore

Description : How many of the following is observed in the interphase nucleus ? Chromatid, Nucleosome, Centriole, Nucleouls, Centromere, Kinetochore

Last Answer : How many of the following is observed in the interphase nucleus ? Chromatid, Nucleosome, Centriole, Nucleouls, ... . Three B. One C. Four D. Two

Match the following and select the correct answer `{:("Centriole",(i)"Infoldings in mitochondria"),("Chlorophyll",(ii)"Thylakoids"),("Cristae",(iii)"N

Description : Match the following and select the correct answer `{:("Centriole",(i)"Infoldings in mitochondria"),("Chlorophyll",(ii)"Thylakoids"),("Cristae",(iii)"N

Last Answer : Match the following and select the correct answer `{:("Centriole",(i)"Infoldings in mitochondria"),("Chlorophyll",(ii)" ... ","(iii)","(i)","(ii)"):}`

What star shaped structure radiates from each centriole during metaphase?

Description : What star shaped structure radiates from each centriole during metaphase?

Last Answer : Need answer

Write a detailed note on Centriole?

Description : Write a detailed note on Centriole? 

Last Answer : Location: - It is present near nucleus in the form of pairs. They are absent in higher plants. Structure: - They are present in the form of triplicate micro tubules. Function: - i) They ... spindles and play important role in cell division. ii) They help in formation of cilia and flagella. 

Centriole consists of how many paired filaments a. 5 b. 7 c. 9 d. 11

Description : Centriole consists of how many paired filaments a. 5 b. 7 c. 9 d. 11

Last Answer : 11

The middle piece of the sperm contains (a) proteins (b) mitochondria (c) centriole (d) nucleus.

Description : The middle piece of the sperm contains (a) proteins (b) mitochondria (c) centriole (d) nucleus.

Last Answer : (b) mitochondria

Colchicine is an inhibitory chemical, which (a) stops the functioning of centriole (b) prevents attaching of centromeres with rays (c) prevents the spindle formation in mitosis (d) prevents the formation of equatorial plane.

Description : Colchicine is an inhibitory chemical, which (a) stops the functioning of centriole (b) prevents attaching of centromeres with rays (c) prevents the spindle formation in mitosis (d) prevents the formation of equatorial plane.

Last Answer : (c) prevents the spindle formation in mitosis

Which of the following structures will not be common to mitotic cell of a higher plant?(a) Centriole (b) Spindle fibre (c) Cell plate (d) Centromere

Description : Which of the following structures will not be common to mitotic cell of a higher plant? (a) Centriole (b) Spindle fibre (c) Cell plate (d) Centromere

Last Answer : (a) Centriole

Spindle fibre unite with which structure of chromosomes? (a) Chromocentre (b) Chromomere (c) Kinetochore (d) Centriole

Description : Spindle fibre unite with which structure of chromosomes? (a) Chromocentre (b) Chromomere (c) Kinetochore (d) Centriole

Last Answer : c) Kinetochore

.Which one of the following organelles is located near the nucleus and contains a collection of flattened membrane bound cisternae? (a) Nucleolus (b) Mitochondrion (c) Centriole (d) Golgi apparatus

Description : .Which one of the following organelles is located near the nucleus and contains a collection of flattened membrane bound cisternae? (a) Nucleolus (b) Mitochondrion (c) Centriole (d) Golgi apparatus

Last Answer : (d) Golgi apparatus

(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.