24277 + Interview Questions in Biology in Class 12 Page 135 InterviewSolution

6701.	Question : The cranial capacity was the largest in one ofthe following fossils of man
Answer» JAVA APE - MAN CRO- MagnonMan Neanderthal man Peking man Answer :B

Discussion

6702.	Question : The cranial capacity was largest among the
Answer» Peking man JAVA ape man African man NEANDERTHAL man. Solution :The cranial CAPACITY of Neandertal man was 1400 c.c. and African man had 500 c.c.

Discussion

6703.	Question : The cranial capacity of Neanderthal man was about:
Answer» 1450 cc 900 cc 650 cc 1100 cc Answer :A

Discussion

6704.	Question : The cranial capacity of modern man is
Answer» 1300 CC 1400 CC 1350 CC 1450 CC Solution : 1450 CC

Discussion

6705.	Question : The cranial capacity of Java ape- man wasabout
Answer» 560 CC 900 cc 1300 cc 1600 cc Answer :B

Discussion

6706.	Question : the cow until she gives birth is called
Answer» STEER COLT HEIFER NONE of these Answer :B

Discussion

6707.	Question : The coupling and repulsion hypothesis of Bateson & Punnette was established by linkage & crossing over by Morgan. What will be the F_(2) phenotypic ratio in case of complete linkage ?
Answer» `1 : 1` `3 : 1` `1 : 1 : 1 : 1` `9 : 3 : 3 : 1` ANSWER :A

Discussion

6708.	Question : The counter current mechanism for urine formation occurs in _____.
Answer» PCT DCT LOOPof henle Bowman's capsule Answer :C

Discussion

6709.	Question :The correct surgical procedure as a contraceptive method is(A) Ovariectomy(B) Hysterectomy(C) Vasectomy(D) Castration
Answer» Ovariectomy Hysterectomy VASECTOMY Castration Solution :Surgical method is called STERILIZATION method that is final and permanent method and prevents transport of gamete cell and prevents pregnancy. In MALE it is called vasectomy. In FEMALE it is called TUBECTOMY.

Discussion

6710.	Question : The correct sequential steps that are involved in PCR are
Answer» ANNEALING, DENATURATION and EXTENSION Denaturation, Extension and Annealing Extension, Denaturation and Annealing Denaturation, Annealing and Extension ANSWER :D

Discussion

6711.	Question : The correct sequence of the membranes of the nerve of PNS from inside to outside is
Answer» AXOLEMMA `to` NEURILEMMA `to` ENDONEURIUM `to` PERINEURIUM `to` EPINEURIUM Axolemma `to` neurilemma `to` endoneurium `to` epineurium `to` perineurium `Neurilemma `to` axolemma `to` endoneurium `to` perineurium `to` epineurium Axolemma `to` neurilemma `to` perineurium `to` endoneurium `to` epineurium Answer :A

Discussion

6712.	Question : The correct sequence of various larvae of liver fluke is
Answer» MIRACIDIUM `RIGHTARROW` SPOROCYST `rightarrow` Redia `rightarrow` CERCARIA `rightarrow` METACERCARIA Miracidium `rightarrow` Redia `rightarrow`Sporocyst `rightarrow`Cercaria `rightarrow` Metacercaria Cercaria `rightarrow` Sporocyst `rightarrow`Redia `rightarrow`Miracidium `rightarrow` Metacercaria Cercaria `rightarrow` Redia `rightarrow`Sporocyst `rightarrow`Metacercaria `rightarrow` Miracidium Answer :A

Discussion

6713.	Question : The correct sequence of steps in rDNA technology is
Answer» Isolation of DNA `to` Fragmentation ` to` Isolation of desired DNA `to` Ligation TRANSFERRING `to`CULTURING `to`EXTRACTION Isolation of desired DNA`to` Fragmentation `to` Isoligation of DNA `to` Culturing `to` Ligation `to` Transferring `to` Extraction Isolation of desired DNA `to` Culturing `to` Fragmentation `to` Isolation of DNA `to` Ligation `to` Transferring `to` Extraction Isolation of DNA `to` Fragmentation `to` Culturing `to` Isolation of desired DNA `to` Transferring `to` Ligation `to` Extraction Solution : (A) The correct sequence of steps in RDNA technology: Isolation of DNA `to`Fragmentation `to`Isolation of desired DNA `to` Ligation `to`Transferring `to`Culturing `to` Extraction

Discussion

6714.	Question : The correct sequence of spermatogenetic stages leading to the formation of sperms in a mature human testis is :-
Answer» Spermatogonia–Spermatid–Spermatocyte –Sperms Spermatocyte–Spermatogonia–Spermatid –Sperms Spermatogonia–Spermatocyte–Spermatid –Sperms Spermatid–Spermatocyte–Spermatogonia –Sperms Answer :C

Discussion

6715.	Question : The correct sequence of stages in the evolution of modern man is
Answer» Homo erectus, AUSTRALOPITHECUS, NEANDERTHAL MAN, Cro-Magnon man, Modern man Australopithecus, Homo erectus, Neanderthal man, Cro-Magnon man, Modern man Neanderthal man, Australopithecus, Cro-Magnon man, Homo erectus, Modern man Australopithecus, Neanderthal man, Cro-Magnon man, Homo erectus, Modern man Answer :B

Discussion

6716.	Question : The correct sequence of spermatogenetic stagesleading to the formation of sperms in a mature human testes is :
Answer» spermatogonia-spermatocyte-spermatid-sperms spermatid-spermatocyte-spermatogonia-sperms spermatogonia-spermatid-spermatocyte-sperms spermatocyte-spermatogonia-spermatid-sperms Answer :A

Discussion

6717.	Question : The correct sequence of spermatogenetic stages leading to the formation of sperms in a mature human testis is
Answer» SPERMATOGONIA - SPERMATOCYTE - SPERMATID - SPERMS spermatid - spermatocyte -spermatogonia - sperms spermatogonia - spermatid - spermatocyte - sperms spermatocyte - spermatogonia - spermatid - sperms Answer :A

Discussion

6718.	Question : The correct sequence of phases of the cell-cycle is
Answer» `G_2 to S to G_1 to M` `G_1 to G_2 to S to M` `G_1 to M to G_2 to S` `S to G_2 to M to G_1` ANSWER :D

Discussion

6719.	Question : The correct sequence of male sex accessory ducts isrete testis, vasa efferentia,epididymis and vas deferensepididymis,rete testis,vasa efferentia, and vas deferensrete testis,epiddymis,vasa efferentia, and vas deferensepidymis,vasa efferentia,epididymis and rete testis
Answer» ete testis, VASA efferentia, and vas deferens EPIDIDYMIS,RETE testis,vasa efferentia, and vas deferens rete testis,EPIDDYMIS,vasa efferentia, and vas deferens epidymis,vasa efferentia,epididymis and rete testis Answer :A

Discussion

6720.	Question : The correct sequence of flow ofelectrons in the light reaction is
Answer» PSII, PLASTOQUINONE , CYTOCHROMES, PSI FERREDOXIN PSI, plastoquinone, cytochromes, PSI ferredoxin PSI, ferredoxin, PSII PSI, plastoquinone, cytochromes, PSII ferredoxin Answer :A

Discussion

6721.	Question : The correct sequence of four carbon acids formed during Krebs cycle is
Answer» oxalo - ACETIC ACID - fumaric acid - malic acid - succinic acid oxalo - acetic acid - malic acid - fumaricacid - succinic acid succinic acid - malic acid - fumaric acid - oxalo - acetic acid succinic acid - fumaric acid - malic acid -oxalo - acetic acid ANSWER :D

Discussion

6722.	Question : The correct sequence of fallopian tube is
Answer» ISTHMUS,AMPULLA,INFUNDIBULUM and FIMBRIAE ampulla isthmus,infundibulum and fimbriae infundibulum,fimbriae,isthmus and ampulla none of the above Answer :A

Discussion

6723.	Question : The correct sequence of electron carriers (Cytochromes) in Respiratoryelectron transport system is
Answer» `a, a_(3), B, C and c_(1)` `b, c, c_(1), a and a_(3)` `b, c_(1), c, a and a_(3)` `a_(3), a, c, c_(1) and b` ANSWER :C

Discussion

6724.	Question : The correct sequence of cell organelles during Photorespiraition is
Answer» CHLOROPLAST , mitochondria , PEROXISOME Chloroplast , vacuole , peroxisome , Chloroplast, GOLGI bodies , mitochondria Chloroplast , Rough endoplasmic reticulum Dictyosomes Answer :A

Discussion

6725.	Question : The correct route through which pulse-making impulse travels in the heart is
Answer» SA node `RIGHTARROW` Purkinje FIBRES `rightarrow` Bundle of his `rightarrow` AV node SA node `rightarrow` AV node `rightarrow` Bundle of his `rightarrow` Purkinje fibres SA node `rightarrow` AV node `rightarrow` Purkinje fibres `rightarrow` Bundle of his SA node `rightarrow` Bundle of his `rightarrow` AV node `rightarrow` Purkinje fibres Answer :C

Discussion

6726.	Question : The correct sequence in Krebs cycle is:
Answer» Isocitric ACID`RARR` Oxalosuccinic acid` rarr``PROP`-Ketoglutaric acid Oxalosuccinic acid`rarr`Isocitric acid`rarr` `prop`-Ketoglutaric acid `prop`-Ketoglutaric acid`rarr`Isocitric acid `rarr`Oxalosuccinic acid Isocitric acid`rarr` `prop`-Ketoglutaric acid `rarr` Oxalosuccinic acid Answer :A

Discussion

6727.	Question : The correct representation of the pyramid is ,
Answer» PYRAMID of ENERGY in the GRASSLAND ecosystem Pyramid of BIOMASS in the grassland ecosystem Pyramid of energy in TEMPERATURE ecosystem Pyramid of energy in the tropical ecosystem Answer :A

Discussion

6728.	Question : The correct pathway of initiation and passing route of conduction of impulse is
Answer» SA node AV node Purkinje fibre AV bundle SA node Purkinje fibre AV node AV bundle SA node AV node AV bundle Purkinje fibre SA node Purkinje fibre AV bundle AV node Answer :C

Discussion

6729.	Question : The correct order of structures found in cockroach from dorsal to ventral surface of body
Answer» HEART to GUT to NERVE CORD Gut to Heart to Nerve cord Nerve cord to Gut to Heart Heart to Nerve cord to Gut Answer :A

Discussion

6730.	Question : The correct order of steps in Polymerase Chain Reaction (PCR) is
Answer» DENATURATION, ANNEALING, EXTENSION Extension, Denaturation, Annealing Denaturation, Extension, Annealing Annealing, Extension, Denaturation SOLUTION :Denaturation, Annealing, Extension

Discussion

6731.	Question : The correct order of different RNAs w.r.t. their lengths is
Answer» MRNA GT TRNA gt RRNA mRNA gt rRNA gt tRNA tRNA gt rRNA gt mRNA tRNA gt mRNA gt rRNA Answer :B

Discussion

6732.	Question : The correct order of haploid, diploid and triploid structure is fertilized embryosac is
Answer» SYNERGID, ZYGOTE and PEN Synergid ANTIPODAL and polar nuclei Antipodal, synergid and PEN Synergid polar nuclei and zygote Solution :Synergid, zygote and PEN

Discussion

6733.	Question : The correct matches is, (A) A-iii, B-iv, C-i, D-ii(B) A-i, B-iii, C-ii, D-iv(C) A-iv, B-i, C-ii, D-iii(D) A-iii, B-iv, C-ii, D-i
Answer» A-iii, B-iv, C-i, D-ii A-i, B-iii, C-ii, D-iv A-iv, B-i, C-ii, D-iii A-iii, B-iv, C-ii, D-i ANSWER :A

Discussion

6734.	Question : The correct match is :
Answer» i-C, ii-d, iii-a, iv-b i-d, ii-c, iii-a, iv-b i-d, ii-c, iii-b, iv-a i-b, ii-a, iii-c, iv-d Answer :C

Discussion

6735.	Question : The correct cryptogram for T_(4), bacteriophage is
Answer» `R//1, 2.5//30, S//S. V//0` `D//2, 160//5-7.5,X//***,V//O` `R//1:2//5:E//E:S//S` `D//2:130//40:X//X:B//O` ANSWER :D

Discussion

6736.	Question : The correct flow of sperms includes
Answer» Seminiferous TUBULES - vasa EFFERENTIA - retetestis - EPIDIDYMIS - vasdeferens Seminiferous tubules - retetestis - vasa efferentia -epididymis - vasdeferens - urethra Seminiferous tubules - seminal VESICLES - vasa efferentia - epididymis - vasdeferens. Seminal vesicles - vasdeferens - vasa efferentia - epididymis - retetestis Answer :B

Discussion

6737.	Question : The correct chronological sequence of Eras is
Answer» MESOZOIC `to` Coenozoic `to` ARCHAEOZOIC Coenozoic `to` Proterozoic `to` Mesozoic Palaeozoic `to` Mesozoic `to` Coenozoic Palaeozoic `to` Archaeozoic `to` Coenozoic Answer :C

Discussion

6738.	Question : The correct ascending squence with respect to their water potential is(a) pi=-0.8 MPa, P=+0.4MPa (b) pi=-1.0 MPa, P=+0.5MPa (c) pi=-0.9 MPa, P=+0.2MPa (d) pi=-0.3 MPa, P=+0.2MPa
Answer» a, B, C, d c, b, a, d c, a, b, d c, d, b, a Answer :A

Discussion

6739.	Question : The corpus luteum is maintained during pregnancy by :-
Answer» HCG LH Estrogen Progesterone Answer :A

Discussion

6740.	Question : The coronary sinus opens into the ………. .
Answer» LEFT atrium right atrium left ventricle right ventricle Answer :B

Discussion

6741.	Question : The corpus callosum connects either sides of_____.
Answer» ANSWER :CEREBRAL HEMISPHERES

Discussion

6742.	Question : The coronary sinus in the heart is situated along its
Answer» LEFT MARGIN RIGHT margin diaphragmatic surface lower BORDER of the heart Answer :B

Discussion

6743.	Question : The cork cambium, cork and secondarycortex are collectively, called
Answer» Phelloderm Phellogen Periderm Phellem Answer :C

Discussion

6744.	Question : The cork is impervious to water -
Answer» DUE to HEMICELLULOSE DEPOSITION in the CELL wall Due to cellulose deposition in the cell wall. Due to suberin deposition in the cell wall. Due to PECTIN deposition in the cell wall. Answer :C

Discussion

6745.	Question : The core metal of chlorophyll is:-
Answer» iron,copper,molybdenum magnesium nickel copper Solution :Azotobacter is a free LIVING, aerobic non-photosynthetic, i.e. saprophytic BACTERIA. It RETAINS the CAPABILITY of fixing atmospheric nitrogen, i.e., fixation of atmospheric dinitrogen into ammonia.

Discussion

6746.	Question : The conversion of mutant type into wild type is called
Answer» BACKWARD mutation forward mutation inversion both (2) and (3) correct Answer :A

Discussion

6747.	Question : The conversion of ammonia to nitrates is called_______.
Answer» ANSWER :NITRIFICATION

Discussion

6748.	Question : The control of gene expression is more complex in eukaryotic cells because the
Answer» GENE expression differentiates SPECIALIZED cells the chromosomes are linear and more numerous operons are controlled by more than one promoter REGION inhibitory or activating MOLECULES may not help to REGULATE transcription Answer :A

Discussion

6749.	Question : The contrivances shown by jasmine flower for cross-pollination is(A) herkogamy(B) heterostyly(C) dicliny(D) dichogamy
Answer» herkogamy heterostyly decliny dichogamy Answer :B

Discussion

6750.	Question : The contraction of the muscle continues in sliding filament theory
Answer» till ATP binds to MYOSIN head till ADP binds to myosin head till `CA^(2+)` is present in SARCOPLASM till polymerisation of myosin head is going on Solution :Sliding of ACTIN and myosin filaments continous till the `Ca^(2+)` ions are pumped back in the sarcoplasm, resulting in MASKING of actin filaments. This cause the return of Z-lines back to their original position, i.e, relaxtaion.

Discussion

Explore topic-wise InterviewSolutions in .

Question : The cranial capacity was the largest in one ofthe following fossils of man

Question : The cranial capacity was largest among the

Question : The cranial capacity of Neanderthal man was about:

Question : The cranial capacity of modern man is

Question : The cranial capacity of Java ape- man wasabout

Question : the cow until she gives birth is called

Question : The coupling and repulsion hypothesis of Bateson & Punnette was established by linkage & crossing over by Morgan. What will be the F_(2) phenotypic ratio in case of complete linkage ?

Question : The counter current mechanism for urine formation occurs in _____.

Question :The correct surgical procedure as a contraceptive method is(A) Ovariectomy(B) Hysterectomy(C) Vasectomy(D) Castration

Question : The correct sequential steps that are involved in PCR are

Question : The correct sequence of the membranes of the nerve of PNS from inside to outside is

Question : The correct sequence of various larvae of liver fluke is

Question : The correct sequence of steps in rDNA technology is

Question : The correct sequence of spermatogenetic stages leading to the formation of sperms in a mature human testis is :-

Question : The correct sequence of stages in the evolution of modern man is

Question : The correct sequence of spermatogenetic stagesleading to the formation of sperms in a mature human testes is :

Question : The correct sequence of spermatogenetic stages leading to the formation of sperms in a mature human testis is

Question : The correct sequence of phases of the cell-cycle is

Question : The correct sequence of male sex accessory ducts isrete testis, vasa efferentia,epididymis and vas deferensepididymis,rete testis,vasa efferentia, and vas deferensrete testis,epiddymis,vasa efferentia, and vas deferensepidymis,vasa efferentia,epididymis and rete testis

Question : The correct sequence of flow ofelectrons in the light reaction is

Question : The correct sequence of four carbon acids formed during Krebs cycle is

Question : The correct sequence of fallopian tube is

Question : The correct sequence of electron carriers (Cytochromes) in Respiratoryelectron transport system is

Question : The correct sequence of cell organelles during Photorespiraition is

Question : The correct route through which pulse-making impulse travels in the heart is

Question : The correct sequence in Krebs cycle is:

Question : The correct representation of the pyramid is ,

Question : The correct pathway of initiation and passing route of conduction of impulse is

Question : The correct order of structures found in cockroach from dorsal to ventral surface of body

Question : The correct order of steps in Polymerase Chain Reaction (PCR) is

Question : The correct order of different RNAs w.r.t. their lengths is

Question : The correct order of haploid, diploid and triploid structure is fertilized embryosac is

Question : The correct matches is, (A) A-iii, B-iv, C-i, D-ii(B) A-i, B-iii, C-ii, D-iv(C) A-iv, B-i, C-ii, D-iii(D) A-iii, B-iv, C-ii, D-i

Question : The correct match is :

Question : The correct cryptogram for T_(4), bacteriophage is

Question : The correct flow of sperms includes

Question : The correct chronological sequence of Eras is

Question : The correct ascending squence with respect to their water potential is(a) pi=-0.8 MPa, P=+0.4MPa (b) pi=-1.0 MPa, P=+0.5MPa (c) pi=-0.9 MPa, P=+0.2MPa (d) pi=-0.3 MPa, P=+0.2MPa

Question : The corpus luteum is maintained during pregnancy by :-

Question : The coronary sinus opens into the ………. .

Question : The corpus callosum connects either sides of_____.

Question : The coronary sinus in the heart is situated along its

Question : The cork cambium, cork and secondarycortex are collectively, called

Question : The cork is impervious to water -

Question : The core metal of chlorophyll is:-

Question : The conversion of mutant type into wild type is called

Question : The conversion of ammonia to nitrates is called_______.

Question : The control of gene expression is more complex in eukaryotic cells because the

Question : The contrivances shown by jasmine flower for cross-pollination is(A) herkogamy(B) heterostyly(C) dicliny(D) dichogamy

Question : The contraction of the muscle continues in sliding filament theory