24277 + Interview Questions in Biology in Class 12 Page 66 InterviewSolution

3251.	Question : Wall of colon has sac like structures known as
Answer» Haustra Taenia coli Epiploic appendages Appendix Answer :A

Discussion

3252.	Question : W are substrates of protein and protoplasmic respiration respectively
Answer» FAT and CARBOHYDRATE PROTEIN and carbohydrate Carbohydrate and protein Fat and lipid Answer :C

Discussion

3253.	Question : V.S. of pituitary gland
Answer» SOLUTION :

Discussion

3254.	Question : V.S. of anatropous ovule.
Answer» SOLUTION :

Discussion

3255.	Question : Vomiting centre is located in cerebellum of brain.
Answer» True False Answer :VOMITING CENTRE is located in MEDULLA OBLONGATA of brain.

Discussion

3256.	Question : vomit centre of body is located in1)medulla oblongata2)submucosal plexus3)Auerbach's plexus4)Meissner's Plexus
Answer» MODULAR oblongata submucosal plexus Auerbach's plexus Meissner's Plexus Answer :A

Discussion

3257.	Question : The volume of thoracic chamber increases in dorso-ventral axis due to the contraction of
Answer» CONTRACTION of external inter-costal MUSCLES relaxation of external inter-costal muscles relaxation of DIAPHRAGM contraction of diaphragm ANSWER :D

Discussion

3258.	Question : Volume of urine is regulated by_____.
Answer» Aldosterone Aldosterone and ADH Testosterone Progesterone Answer :B

Discussion

3259.	Question :Volume of thoracic cavity increases in anterio-posteriror axis by :-
Answer» Relaxation of DIAPHRAGM Contraction of EICM Relaxation of IICM Contraction of diaphragm Answer :D

Discussion

3260.	Question : Volume of air that will remain in the lungs after normal expiration is equal to
Answer» TV + ERV TV + IRV VC + ERV ERV + RV Answer :D

Discussion

3261.	Question : Volume of air remaining in the lungs even after a forcible expiration is
Answer» EC RV ERV IRV ANSWER :B

Discussion

3262.	Question : Volume of air left in the lungs after maximum forced expiration is called_____
Answer» ANSWER :RESIDUAL VOLUME

Discussion

3263.	Question : Volume of air a person can inspire or expire per minute is
Answer» 2500–3000 ML 1000–1100 ml 6000–8000 ml 1100 – 1200 ml ANSWER :C

Discussion

3264.	Question : Volume of air either inspired or expired during normal respiration is
Answer» INSPIRATORY RESERVE VOLUME Tidal volume Inspiratory capacity Vital capacity Answer :B

Discussion

3265.	Question : Vocal cords occur in:
Answer» Pharynx Larynx Stomach Oesophagus Answer :B

Discussion

3266.	Question : VNTR is …………
Answer» VARIABLE NUMBER of TANDEM repeats Various number of tendem repeats. Vulnerable number of tandem repeats Variable number of tandem reports Answer :A

Discussion

3267.	Question : VNTR belongs to a class of satellite DNA which are referred to as
Answer» CENTROMERE mini SATELLITE GENES CODING for proteins SNP ANSWER :B

Discussion

3268.	Question : Vivipary automatically limits the number of offsprings in a litter. How ?
Answer» Solution :Placenta can be defined as germination of SEED. When fruit is HANGING on mother plant. Plant growing on marshy- muddy land is called mangroves. When seeds of these plants fall on marshy land, they don’tgrow because there high salinity and more WATER condition exists. So plants in which germination of seed occurs they are attached to mother plants, In WASTE generally younge ONES of animals at a time take birth in 3 to 8 number. Placenta automatically keeps the brith of young ones in waste very limited because eggs or egg cells are produced in limited number and fertilise during reproductive cycle of female

Discussion

3269.	Question : Viviparous germination Is found in:
Answer» MANGO plant Mangrove plants Bryophyllum Cycas Answer :B

Discussion

3270.	Question : Viviparity is considered to be more evolved because
Answer» the yound ones are left on their own the young ones are protected by a THICK shell the young ones are prtected inside the MOTHER's bod and are lookea fter they are born LEADING to more CHANCES of survival the embryo takes a long time to develop. Solution :N//A

Discussion

3271.	Question : Viviparity is considered to be moreevolved because
Answer» the young ones are left on theirown the young ones are proteched by a THICK SHELL the young ones are protected inside themother'sbodyand are lookedafterthey areborn leadingto morechances of survival theembryo TAKESA longtimeto develop Answer :C

Discussion

3272.	Question : Viviparity and pneumatophores are features of ?
Answer» Hydrophytes Halophytes Mesophytes Xerophytes Answer :B

Discussion

3273.	Question : Vitamin-K is essential for:
Answer» CHANGE of prothrobin into thrombin Synthesis of prothrombin Change of FIBRINOGEN in fibrin Formation of thrombin Answer :B

Discussion

3274.	Question : Vitamin containing cobalt is:
Answer» A `B_1` `B_6` `B_12` ANSWER :D

Discussion

3275.	Question : Vitamin-C is essential for blood clotting.
Answer» True False Answer :Vitamin-K

Discussion

3276.	Question : Vitamin-C is:
Answer» NICOTINIC acid Ascorbic acid Folic acid None of these Answer :B

Discussion

3277.	Question : Vitamin-B_2 is produced by mould known as
Answer» Prepionic BACTERIUM ASHBYA gossypi Saccharomyces Rhizopus Answer :B

Discussion

3278.	Question : Vital force theory for the ascent of sap was proposed by :
Answer» STEPHEN Hales Boehm Sachs Goldewski Answer :D

Discussion

3279.	Question : Visual purple is present in
Answer» RODS CONES CHOROID IRIS ANSWER :A

Discussion

3280.	Question : Visual purple' pigment of the eye is responsible for
Answer» COLOR of eye Color BLINDNESS Photopic VISION SCOTOPIC vision ANSWER :D

Discussion

3281.	Question : Visit of a veterinary doctor to a dairy farm is mandatory. Give reasons.
Answer» Solution :The cattle on a DAIRY farm may have healty problems or INFECTIOUS diseases which are to be TREATED by proper treatment given to the farm animals, therefore VISIT of veterinary doctor to dairy farm is mandatory.

Discussion

3282.	Question : Viruses which infect bacteria, multiply and cause
Answer» lysozymes lipolytic lysogenic lytic Answer :D

Discussion

3283.	Question : Viruses having RNA genome evolve faster, because :-
Answer» RNA is unstable and MUTATE at a FASTER rate RNA is more stable RNA is first GENETIC material RNA is the MAIN genetic material Answer :A

Discussion

3284.	Question : Viruses having RNA genome and shorter lifespan
Answer» MUTATE and EVOLVE SLOWLY Mutate slowly but evolve FASTLY Mutate and evolve faster Mutate fastly and evolve slowly Answer :C

Discussion

3285.	Question : Viruses ate .................. obligate parasites.
Answer» SOLUTION :INTRACELLULAR

Discussion

3286.	Question :Virus-infected cells secrete a kind of proteins which proteo non-infected cells from fui1her viral infection.It is belonged to
Answer» CYTOKINE bankers Physical BARRIERS Physiological barriers CELLULAR barriers Answer :A

Discussion

3287.	Question : Virus infected cells provide innate immunity to other cells.
Answer» Solution :Virus infected CELL release interferons, which prevent other uninfected cells from further viral infection . THUS providing innate immunity.

Discussion

3288.	Question : Virus free plants are developed from
Answer» ORGAN culture Meristem culture Protoplast culture Cell SUSPENSION culture Answer :B

Discussion

3289.	Question : Viroids are ?
Answer» generally PRESENT in animal VIRUSES OBLIGATE parasites infectious RNA particles both (2) and (3) ANSWER :D

Discussion

3290.	Question : Viral genome incorporated into host DNA is called :
Answer» PROPHASE PROPHAGE Bacteriophage None of the above SOLUTION :Prophage

Discussion

3291.	Question : Viral genome incorporated and integrated with bacterial is referred to as:
Answer» prophage RNA DNA Both (B) and (C) ANSWER :B

Discussion

3292.	Question : Viral DNA enters the ....
Answer» HOST CELL membrane host cell CYTOPLASM host cell nucleus host cell DNA SOLUTION :host cell DNA

Discussion

3293.	Question : Vinblastin and vincristin inhibit growth of cancer cells by
Answer» Inducing CONTACT INHIBITION Arresting cell division through inhibition of SPINDLE formation Suppression of oncogenes Activating protooncogenes Answer :B

Discussion

3294.	Question : Vigorous exercise will cause muscle fatigue which is primarily due to
Answer» a sodium and potassium IMBALANCE the accumulation of carbon dioxide the accumulation of lactic acid the accumulation of ADP Solution :The CAUSE of muscle fatigue is said to be the ACCUMULATED anaerobically produced lactic acid. lactic acid may later be broken down into carbon dioxide and WATER for elimination, or it may be converted into GLYCOGEN and stored for future use.

Discussion

3295.	Question : Vijaya, padma, kanti and Jayanti are high yielding varieties of_____
Answer» rice wheat jowar bajra Answer :A

Discussion

3296.	Question : 'Viginal opening' lies
Answer» Between the LABIA minora Above the monspubis Outer to the labia majora Above the clitoris Answer :A

Discussion

3297.	Question : Vidya got a plant which was affected with a viral disease .Her objective is to raise a disease free plant through tissue culture . state the reason for the selection of this part as the explant
Answer» ANSWER :CONDUCTING TISSUES are not PRESENT

Discussion

3298.	Question : Vidya got a plant which was affected with a viral disease. Her objective is to raise a disease free plant from this infected plant through tissue culture. (a) Which part of the plant should be selected as the expalnt? (b) State the reason for the selection of this part as the explant.
Answer» SOLUTION :(a) APICAL meristem, (b) Because meristem is FREE of VIRUS

Discussion

3299.	Question : Vidya got a plant which was affected with a viral disease .Her objective is to raise a disease free plant through tissue culture .Which part of the plant should be slected as the explant ?
Answer» ANSWER :SHOOT TIP

Discussion

3300.	Question : Vexillary aestivation is seen in members of
Answer» Brassiceae Fabaceae Solanaceae Liliaceae Answer :B

Discussion

Explore topic-wise InterviewSolutions in .

Question : Wall of colon has sac like structures known as

Question : W are substrates of protein and protoplasmic respiration respectively

Question : V.S. of pituitary gland

Question : V.S. of anatropous ovule.

Question : Vomiting centre is located in cerebellum of brain.

Question : vomit centre of body is located in1)medulla oblongata2)submucosal plexus3)Auerbach's plexus4)Meissner's Plexus

Question : The volume of thoracic chamber increases in dorso-ventral axis due to the contraction of

Question : Volume of urine is regulated by_____.

Question :Volume of thoracic cavity increases in anterio-posteriror axis by :-

Question : Volume of air that will remain in the lungs after normal expiration is equal to

Question : Volume of air remaining in the lungs even after a forcible expiration is

Question : Volume of air left in the lungs after maximum forced expiration is called_____

Question : Volume of air a person can inspire or expire per minute is

Question : Volume of air either inspired or expired during normal respiration is

Question : Vocal cords occur in:

Question : VNTR is …………

Question : VNTR belongs to a class of satellite DNA which are referred to as

Question : Vivipary automatically limits the number of offsprings in a litter. How ?

Question : Viviparous germination Is found in:

Question : Viviparity is considered to be more evolved because

Question : Viviparity is considered to be moreevolved because

Question : Viviparity and pneumatophores are features of ?

Question : Vitamin-K is essential for:

Question : Vitamin containing cobalt is:

Question : Vitamin-C is essential for blood clotting.

Question : Vitamin-C is:

Question : Vitamin-B_2 is produced by mould known as

Question : Vital force theory for the ascent of sap was proposed by :

Question : Visual purple is present in

Question : Visual purple' pigment of the eye is responsible for

Question : Visit of a veterinary doctor to a dairy farm is mandatory. Give reasons.

Question : Viruses which infect bacteria, multiply and cause

Question : Viruses having RNA genome evolve faster, because :-

Question : Viruses having RNA genome and shorter lifespan

Question : Viruses ate .................. obligate parasites.

Question :Virus-infected cells secrete a kind of proteins which proteo non-infected cells from fui1her viral infection.It is belonged to

Question : Virus infected cells provide innate immunity to other cells.

Question : Virus free plants are developed from

Question : Viroids are ?

Question : Viral genome incorporated into host DNA is called :

Question : Viral genome incorporated and integrated with bacterial is referred to as:

Question : Viral DNA enters the ....

Question : Vinblastin and vincristin inhibit growth of cancer cells by

Question : Vigorous exercise will cause muscle fatigue which is primarily due to

Question : Vijaya, padma, kanti and Jayanti are high yielding varieties of_____

Question : 'Viginal opening' lies

Question : Vidya got a plant which was affected with a viral disease .Her objective is to raise a disease free plant through tissue culture . state the reason for the selection of this part as the explant

Question : Vidya got a plant which was affected with a viral disease. Her objective is to raise a disease free plant from this infected plant through tissue culture. (a) Which part of the plant should be selected as the expalnt? (b) State the reason for the selection of this part as the explant.

Question : Vidya got a plant which was affected with a viral disease .Her objective is to raise a disease free plant through tissue culture .Which part of the plant should be slected as the explant ?

Question : Vexillary aestivation is seen in members of