Assertion : IgM is a type of immunoglobulin which cannot cross the placenta Reason : IgM is a pentamer immunoglobulin jointed by I-chain

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Assertion : IgM is a type of immunoglobulin which cannot cross the placenta Reason : IgM is a ... D. If both the assertion and reason are false

Related questions

Description : A pentamer immunoglobulin is (A) Ig G (B) Ig A (C) Ig M (D) Ig E

Last Answer : Answer : C

Description : An immunoglobulin which can cross the placental barrier is (A) IgA (B) IgM (C) IgD (D) None of these

Last Answer : Answer : D

Description : The immunoglobulin which can cross the placenta is (A) Ig A (B) Ig M (C) Ig G (D) Ig D

Last Answer : Answer : C

Description : Which is the only immunoglobulin that can cross the placenta? a. IgA b. IgD c. IgE d. IgG

Last Answer : d. IgG

Description : The immunoglobulin having the longest half-life is (A) IgA (B) IgG (C) IgM (D) IgE

Last Answer : Answer : B

Description : An immunoglobulin found in exocrine secretions is (A) IgA (B) IgG (C) IgM (D) IgE

Last Answer : Answer : A

Description : The largest immunoglobulin is (A) IgA (B) IgG (C) IgM (D) IgD

Last Answer : Answer : C

Description : The most abundant immunoglobulin in plasma is (A) IgA (B) IgG (C) IgM (D) IgD

Last Answer : Answer : B

Description : 14.The immunoglobulin present in colostrum is (a) IgE (b) IgM (c) IgG (d) IgA

Last Answer : (b) IgM

Description : Assertion : hCG , hPL and relaxin are produced in women only during pregnancy . Reason : These hormones are produced by placenta .

Last Answer : Assertion : hCG , hPL and relaxin are produced in women only during pregnancy . Reason : These hormones ... . D. If both Assertion & Reason are False.

Description : Assertion : Placenta is combined structure of foetal tissue & maternal tissue Reason : Placenta formation is completed before 6 weeks of pregnancy .

Last Answer : Assertion : Placenta is combined structure of foetal tissue & maternal tissue Reason : Placenta formation ... . If both Assertion & Reason are False.

Description : Assertion:A network of food chain existing together in an ecosystem is known as food web. Reason: An animal like kite cannot be a part of a food web.

Last Answer : Assertion:A network of food chain existing together in an ecosystem is known as food web. Reason: An ... . D. If both assertion and reason are false.

Description : Which of the following statement(s) is/are true concerning the antibody response to an invading antigen? a. All antibodies are composed of one type of heavy and one type of light protein chain b. ... stimulus d. Immunoglobulins A, D, and E play an active role in the circulating humoral response

Last Answer : Answer: a Humoral defenses consist of antibody (immunoglobulin; Ig) and complement. All Ig classes (IgM, IgG, IgA, IgE, IgD) and IgG subclasses are composed of one type (M, G, A, E, D ... exist in smaller amounts in the circulation and do not appear to play a major role as host defense components

Description : The class specific function of the different immunoglobulin molecules is constituted by (A) Variable region of L chain (B) Constant region of H chain (C) Variable region of H chain (D) Constant region particularly CH2 and CH3 of H chain

Last Answer : Answer : D

Description : The portion of the immunoglobulin molecule that binds the specific antigen is formed by (A) Variable regions of H and L chains (B) Constant region of H chain (C) Constant region of L chain (D) Hinge region

Last Answer : Answer : A

Description : Columns of given length, cross-section and material have different values of buckling loads for different end conditions. The strongest column is one whose (A) One end is fixed and other end is hinged (B) Both ... (C) One end is fixed and the other end entirely free (D) Both the ends are fixed

Last Answer : (D) Both the ends are fixed

Description : Columns of given length, cross-section and material have different values of buckling loads for different end conditions. The strongest column is one whose (a) One end is fixed and other end is hinged (b) ... (c) One end is fixed and the other end entirely free (d) Both the ends are fixed

Last Answer : (d) Both the ends are fixed

Description : Assertion (A) : In a food chain members of successive higher levels are fewer in number. Reason (R ): Number of organisms at any trophic level depends

Last Answer : Assertion (A) : In a food chain members of successive higher levels are fewer in number. Reason (R ... . D. If both assertion and reason are false.

Description : Assertion (A) : In a food chain members of successive higher levels are fewer in number. Reason (R ): Number of organisms at any trophic level depends

Last Answer : Assertion (A) : In a food chain members of successive higher levels are fewer in number. Reason (R ... . D. If both assertion and reason are false.

Description : Assertion: Detritus food chain begins with decomposers. Reason: Detrivores, like fungi and bacteria, are major decomposers in such food chains.

Last Answer : Assertion: Detritus food chain begins with decomposers. Reason: Detrivores, like fungi and bacteria, are ... and Reason are false, then mark (4)

Description : Assertion : `Ca^(2+)` plays important role in the musclc contraction. Reason : `Ca^(2+)` Combines with troponin chain, displacing tropomyosin allowing

Last Answer : Assertion : `Ca^(2+)` plays important role in the musclc contraction. Reason : `Ca^(2+)` ... false . D. If both Assertion and Reason are false.

Description : Statement S. After implantation, the uterine endometrium undergoes changes to become decidus Reason R. the placenta in described as deciduous type Cor

Last Answer : Statement S. After implantation, the uterine endometrium undergoes changes to become decidus Reason R. the ... and R is a correct explanation to S.

Description : Assertion : In the reaction, `(1)/(2)O_(2)+F_(2)rarrOF_(2)` Fluorine is oxidant. Reason :- Fluorine cannot show positive oxidation state.

Last Answer : Assertion : In the reaction, `(1)/(2)O_(2)+F_(2)rarrOF_(2)` Fluorine is oxidant. Reason :- ... is False. D. If both Assertion & Reason are False.

Description : Assertion: The process of extinction is random. Reason: Any species not adapted to environmental con- ditions cannot survive.

Last Answer : Assertion: The process of extinction is random. Reason: Any species not adapted to environmental con- ditions ... and Reason are false, then mark (4).

Description : Assertion: Ecological pyramids cannot explain all vital functions of any ecosystem. Reason: Pyramids actually do not explain the role of organisms wor

Last Answer : Assertion: Ecological pyramids cannot explain all vital functions of any ecosystem. Reason: Pyramids actually ... and Reason are false, then mark (4)

Description : Assertion `(A) :` In radioactive disintegrations, `._(2)He^(4)` nuclei can come out of the nucleus but lighter `._(2)H^(3)` cannot. Reason `(R) :` The

Last Answer : Assertion `(A) :` In radioactive disintegrations, `._(2)He^(4)` nuclei can come out of the nucleus but ... D. If both (A) and (R ) are incorrect.

Description : Assertion : `XeF_(6)` cannot be stored in the dry glass bottles Reason : `XeF_(6)` attacks the glass

Last Answer : Assertion : `XeF_(6)` cannot be stored in the dry glass bottles Reason : `XeF_(6)` attacks the glass

Description : Assertion: Conc `H_(2)SO_(4)` cannot be used for drying up `H_(2)S` Reason : Conc `H_(2)SO_(4)` oxidises `H_(2)S` to S

Last Answer : Assertion: Conc `H_(2)SO_(4)` cannot be used for drying up `H_(2)S` Reason : Conc `H_(2 ... D. Statement-I is not correct and Statement-II is correct

Description : Assertion:- `SF_(6)` cannot be hydrolysed but `SF_(4)` can be. Reason:- Six F atoms in `SF_(6)` prevent the attack of `H_(2)O` on sulphur atom of `SF_

Last Answer : Assertion:- `SF_(6)` cannot be hydrolysed but `SF_(4)` can be. Reason:- Six F atoms in ` ... D. Statement-I is not correct and Statement-II is correct

Description : Assertion : In potentiometer experiment, null point cannot be obtained if emf of unknown battery is more than the emf of known battery. Reason : By in

Last Answer : Assertion : In potentiometer experiment, null point cannot be obtained if emf of unknown battery is ... If Assertion is false but Reason is true.

Description : Assertion (A) Sound waves are not electromagnetic waves. Reason (R) Sound waves cannot propagate in vacuum.

Last Answer : Ans:(a)

Description : Assertion (A): Money in our pocket cannot buy us all the things we need to live. Reason (R): Money cannot buy us a pollution free environment, unadulterated medicines and pollution free environment etc. a) Both A and ... of A. c) A is correct but R is wrong. d) A is wrong but R is correct.

Last Answer : a) Both A and R are true and R is the correct explanation of A.

Description : Which of the following mediates Type I hypersensitivity reaction? A- IgE B- IgG C- IgM D- IgD

Last Answer : IgE

Description : An immunoglobulin molecule always contains (A) 1 κ and 3 λ type of chains (B) 2 κ and 2 λ type of chains (C) 3 κ and 1λ type of chains (D) 2 κ and 2 λ chains

Last Answer : Answer : D

Description : Which type of immunoglobulin level will increase when an individual is exposed to a parasite ?

Last Answer : Serum IgE levels will increase and remain until the parasite is washed out from the body.

Description : From the following which type of work envelope is made in jointed arm robot a.Rectangular work envelope b.Cylindrical work envelope c.Spherical or hemispherical work envelope d.C

Last Answer : b.Cylindrical work envelope

Description : Which type of motion is possible in jointed arm robots a.3 linear and 1 rotational motion b.3 rotational motion c.3 linear motion d.2 linear and 1 rotational motion

Last Answer : b.3 rotational motion

Description : Influence lines are drawn for structures  (A) Of any type  (B) Statically determinate  (C) Pin-jointed truss  (D) None of these 

Last Answer : (A) Of any type 

Description : Pick up the correct statement from the following: (A) In a king post truss, principal rafter and tie beams are jointed together with a bridle joint (B) Joint between the principal rafter and the king ... ) Joint between strut and king post, is generally of mortise and tenon type (D) All the above

Last Answer : Answer: Option D

Description : From the following which type of work envelope is made in jointed arm robot. (A) Rectangular work envelope (B) Cylindrical work envelope (C) Spherical or hemispherical work envelope (D) None of the above

Last Answer : C

Description : Which type of motion is possible in jointed arm robots? (A) 3 linear and 1 rotational motion (B) 3 rotational motion (C) 3 linear motion (D) 2 linear and 1 rotational motion

Last Answer : B

Description : From which of the following is the type of robot. (A) Point to point robots (B) Continue path robot (C) Jointed arm robots (D) All of the above

Last Answer : D

Description : Which type of fiber optic connector (butt-jointed or expanded beam) brings the prepared ends of two optical fibers into close contact?

Last Answer : Butt-jointed connectors.

Description : What is the function of IgM Antibodies? -Biology

Last Answer : answer:

Description : why IgM and IgE are longer than IgG , IgD and IgA?

Last Answer : Immunoglobulin G (IgG), the most abundant type of antibody, is found in all body fluids and protects against bacterial and viral infections. Immunoglobulin M (IgM), which is found mainly in the blood and lymph fluid, is the first antibody to be made by the body to fight a new infection.

Description : All of the following are glycoproteins except (A) Collagen (B) Albumin (C) Transferrin (D) IgM

Last Answer : Answer : B

Description : On exposure to any antigen, the first antibody to be formed is of the following class: (A) IgA (B) IgG (C) IgM (D) IgE

Last Answer : Answer : C

Description : Gamma heavy chains are present in (A) IgA (B) IgG (C) IgM (D) IgD

Last Answer : Answer : B