24277 + Interview Questions in Biology in Class 12 Page 294 InterviewSolution

14651.	Question : Knob like appendages present at one end of the chromsome.
Answer» SOLUTION :SATELLITE.

Discussion

14652.	Question : ____individuals produce genetically different gametes.
Answer» ANSWER :HETEROZYGOTE

Discussion

14653.	Question : K_(m) value refers to
Answer» MAXIMUM REACTION velocity near maximum reaction velocity one HALF of the maximum reaction velocity threshold value Answer :C

Discussion

14654.	Question : ____individuals produce genetically similar gametes.
Answer» ANSWER :PUNNET SQUARE

Discussion

14655.	Question : Individuals homozygous for ab genes were crossed with wild type (++). The F_(1) hybrid thus produced was test crossed. It produces progeny in following proportion. Now, calculate the distance between a and b genes.
Answer» Solution :NUMBER of RECOMBINANTS`=115+105=220` Number of off SPRING `=900+880+115+105` =2000 DISTANCE between a and b genes `=220/2000xx100=11` Map units.

Discussion

14656.	Question : Klinefclter's syndrome is characterized by a karyotype of ............ .
Answer» XYY XO XXX XXY Answer :D

Discussion

14657.	Question : individual of a species which occur in a particular area constitutes
Answer» FLORA FAUNA POPULATION Flora and fauna ANSWER :C

Discussion

14658.	Question : Klinefelters syndrome is not seen in human females - give reason.
Answer» SOLUTION :FEMALES do not have Y-chromosome.

Discussion

14659.	Question : Individual muscle bundle is known as A_ and many bundles are held together by a collagenous sheath of connective tissue called_ BChoose the option which gives the correct answer for blanks in above statement.
Answer» (A) FASCIA -( B) FASCICULI (A) Fascia -(B) ENDOMYSIUM (A) FASCICLE -(B)Endomysium (A) Fascicle -(B) Fascia Answer :D

Discussion

14660.	Question : Kingdom protista includes organisms like:-
Answer» AMOEBA, EUGLENA and Diatoms Amoeba, Euglena and Penicillum Amoeba, SPIROGYRA and Penicillium Euglena, Spirogyra and ALBUGO ANSWER :A

Discussion

14661.	Question : Individual homozygous for cd genes were crossed with wild type(++). The F1 hybrids thus produced was test crossed and progenies produced in following ratio ++-450, cd-440,+ d-58,+c-54 Calculate the distance between c and d genes.
Answer» 5.75 UNITS 11.2 units 45 units 44units Answer :B

Discussion

14662.	Question : Kingdom fungi are included in domain Bacteria.
Answer» ANSWER :EUKARYA

Discussion

14663.	Question : Indiscrimate diagnostic practices using X- rays etc, should be avoided . Give one reason.
Answer» Solution :X-rays are ionizing radiation .They CAUSE ADVERSE effects in childern in the form of GENETIC changes , that is they alter the gencetic MAKE- up of an organisms.

Discussion

14664.	Question : Kingdom animalia is divided into two groups, __________ and ________ .
Answer» SOLUTION :Inbertebrates, chorates

Discussion

14665.	Question : Indicate the stages where meiosis and mitosis occur (1, 2 or 3) in the flow chart. Megaspore mother cell overset(1)rarr Megaspores overset(2)rarr Embryo sac overset(3)rarr Egg
Answer» SOLUTION :Megaspore mother cell `OVERSET("Meiosis")rarr` Megaspores `overset("Mitosis")rarr` Embryo sac `overset("Meiosis")rarr` egg Diploid megasporo mother cell (2n) divides meiotically and produces four HAPLOID megaspores. In activated megaspores it divides metotically for 3 times and a embryo sac having EIGHT haploid nuclei is prepared. While other three megaspores are destroyed. Embryo sac is a structure having 7 celled and 8 nucleate. In which three nuclei, are located at the end of micropyle, three at the end of hilum and one cell is located in the middle. Cells near to micropyle combinely known as egg apparatus that contains two synergid cells and one egg cell. Three cells located towards hillum are ANTIPODAL cells and central cell, possese polar nuclei till fertilisation does not take place

Discussion

14666.	Question : Kingdom Animalia is characterised byautotrophic eukaryotes.
Answer» a. True b. False Answer :HETEROTROPHIC

Discussion

14667.	Question :indicate the correct sequence in callus culture.
Answer» Explant-aseptic condition-addition of growth PROMOTERS - faster growth CALLUS - faster growth - LIQUID medium - 2, 5-D. Plant TISSUE- liquid medium - cell DIVISION - callus Explant- agar-agar jel-growth promoters - cell division-callus. Solution :Explant- agar-agar jel-growth promoters - cell division-callus.

Discussion

14668.	Question : King Cobrais
Answer» NAJA hunnah Naja naja Viper russelli Bungarus corulus. Solution :N//A

Discussion

14669.	Question : Indicate, the inheritance of which of the following is controlled by multiple alleles :
Answer» colour blindness SICKLE CELL ANAEMIA BLOOD group phenylketonuria Answer :C

Discussion

14670.	Question : India's wheat yield revolution in the 1960s was possible primarily due to:
Answer» INCREASED chlorophyll content Mutations RESULTING in plant HEIGHT reduction Quantitative TRAIT mutations Hybrid seeds Answer :C

Discussion

14671.	Question : India's fist test tube baby was born in august 6, 1986 in mumbai. The credit for india's first test tube baby goes to
Answer» <P>Dr. PATRICK steptoe and Dr. ROBERT edwareds Dr. INDRA hinduja Dr. P. Venugopal Dr. William harvery Answer :B

Discussion

14672.	Question : Indias wheat yeild revolution in the 1960 was possible primarily due to
Answer» hybrid SEEDS increased chlorophyll content mutations resultingin plant height reduction quantitatives TRAIT mutations ANSWER :C

Discussion

14673.	Question : Indian Veterinary Research institute is situated in
Answer» LUCKNOW KARNAL KERALA Izzatnagar ANSWER :D

Discussion

14674.	Question : Indian camel is characterised by
Answer» 3 humps 2 humps 1 humps VARIABLE NUMBER of humps Answer :C

Discussion

14675.	Question : Indian breeds of camel are
Answer» jaisalmeri SINDHI BIKANERI & kutich all of these ANSWER :D

Discussion

14676.	Question : Indianbasmatiwaspatented byusgovernmentas
Answer» GENE TECH basmatigene ricetech Both(a) and(C ) ANSWER :C

Discussion

14677.	Question : India with only ____________ world's land area posses _______________ species diversity of the world .
Answer» 2.4, 8.1 8.1, 2.4 4.8, 16.2 16.2, 8.1 Answer :C

Discussion

14678.	Question : India is the primary centre for domestication of which spice ?
Answer» BLACK PEPPER GINGER Turmeric All GIVEN Solution :All given

Discussion

14679.	Question : India is the largest exporter of ______ to the world
Answer» MILK and BUTTER MEAT and eggs hides and SKIN wool Answer :C

Discussion

14680.	Question : India is developing industrially and economically .Do you agree with this type od development from an ecological perspective?why?
Answer» SOLUTION :No. NEGATIVE impact on ENVIRONMENT,DECREASE in RESOURCES, pollution and habitat destruction.

Discussion

14681.	Question : India is developing industrially and economically. Do you agree with this type of development from an ecological perspective? Why?
Answer» Solution :No. It has NEGATIVE impact on the ENVIRONMENT. DECREASE in resources, POLLUTION, Habitat destruction ETC.

Discussion

14682.	Question :India is divided into biogeographical regions .
Answer» TEN TWENTY THREE Five Answer :D

Discussion

14683.	Question : Indespensable tool of genetic engineering is
Answer» CLONING vector RESTRICTION ENDONUCLEASE enzyme Pseudomonas putida plasmids ANSWER :B

Discussion

14684.	Question :India ( A ) biosphere reserves , ( B ) national parks and ( C ) wildlife sanctuaries covering ( D ) % of the total land surface .
Answer» A = 14 , B = 90 , C = 448 : D = 4.7 A = 90 , B = 90 , C = 448 , D = 47 A=90, B=14, C=448, D=4.7 A = 14 , B = 90 , C = 448 , D = 10 Answer :A

Discussion

14685.	Question : Independent genes that copy other genes so as to produce a similar effect are called
Answer» LETHAL genes Duplicate genes Complementary genes None of the above Answer :B

Discussion

14686.	Question : Independent alternation of generation is the unique character of the life cycle of :
Answer» Bryophyte Pteridophyte GYMNOSPERM Spermatophyte Answer :B

Discussion

14687.	Question : Independent assorment of Mendel was under in framing
Answer» MONOHYBRID cross Incomplet dominance Dihybrid cross Back cross Answer :C

Discussion

14688.	Question : Independent alternation of generation is the unique character of the life cycle of:-
Answer» Bryophyte Pteridophyte Gymnosperm Spermatophyte Answer :B

Discussion

14689.	Question : Identify the true statement(A) methanobacterium are the bacteria present in the stomach of cattle(B) biogas is a pure methane(C) major part of sludge is transferred to bigger tank by pumping . Those tanks are known as anaerobic sludge digester(D) due to bacterial reactions of aerobic bacteria on animal waste, biogas is produced .
Answer» methanobacterium are the bacteria present in the STOMACH of cattles biogas is a PURE methan major part of sludge is transferred to bigger tank by pumping . Those tanks are known as anaerobic studge DIGESTER due to bacterial reactions of aerobic bacteria on animal waste, biogas is PRODUCED .S Solution :major part of sludge is transferred to bigger tank by pumping . Those tanks are known as anaerobic studge digester

Discussion

14690.	Question : Indentify the recessive trait among the following given below.
Answer» Coloured lint in cotton RUST IMMUNITY in WHEAT Round starcny KERNAL in maize Branched HABIT in sunflower Answer :B

Discussion

14691.	Question : Indentify the parthenocarpic fruit
Answer» Antropus Hemianatropus CAMPYLOTROPUS Amphitropous ANSWER :D

Discussion

14692.	Question : Identify the correct statement for the following.
Answer» Tracheo-bronchial junction is at the level of fifth CERVICAL vertebra. INSPIRATORY CAPACITY is the maximum volume of air that can be inspired after normal expiration `pCO_2` in de-oxygenated blood is 40 MM HG. Respiratory surface area for exchange of gases is increased in emphysema Answer :B

Discussion

14693.	Question : Indentify the correcty match for thegiven apparatus
Answer» gene guntransfervectorless direct gene tra column graph, sepearation of chlorophyll chromatopigments STIRRED TANK processcarry out fermentation bioreactor respirometer respirationfinding out RATE of Answer :A

Discussion

14694.	Question : Indentify the correctly matche pair ?
Answer» unifloiate COMPUND leaf - citrus opposite phyllotaxy - HIBISCUS palmate convergent venation - musa palmate leaf - mustard ANSWER :A

Discussion

14695.	Question : Indentify the areas labelled (i), (ii), (iii) and (iv) in the pie chart given below representing the biodiversity of plants showing theirproportionate number of species of major taxa.
Answer» SOLUTION :

Discussion

14696.	Question : Incubation Period of Pneumococcal is ........(A) One to three months(B) One to three weeks(C) One to three days(D) One to three hours
Answer» One to three months One to three WEEKS One to three DAYS One to three HOURS SOLUTION : One to three days

Discussion

14697.	Question : Increasing the number of measurement of an experimental variable will -
Answer» increase the STANDARD error of the sample increase the MEAN of the sample decrease the standard error of the sample result in all of the above Answer :C

Discussion

14698.	Question : Incubation period for malaria ____
Answer» ANSWER :12

Discussion

14699.	Question :Increased IMR and decreased MMR in a population will.
Answer» Cause rapid INCREASE in growth rate Result in decline in growth rate Not cause significant change in growth rate Result in an EXPLOSIVE population Solution :IMR and MMR both affect inversely in growth rate. Means decrease in IMR rate and high rate in growth of MMR is seen. If rate IMR is INCREASED then SHOWS rapid increase in growth rate. So in above condition if IMR is increased and MMR is decreased then shows noteable change in growth rate.

Discussion

14700.	Question : Increased asthmatic attacks in certain seasons are related to
Answer» LOW temperature INHALATION of seasonal pollen Hot and HUMID environment Eating fruits preserved in TIN containers Answer :B

Discussion

Explore topic-wise InterviewSolutions in .

Question : Knob like appendages present at one end of the chromsome.

Question : ____individuals produce genetically different gametes.

Question : K_(m) value refers to

Question : ____individuals produce genetically similar gametes.

Question : Individuals homozygous for ab genes were crossed with wild type (++). The F_(1) hybrid thus produced was test crossed. It produces progeny in following proportion. Now, calculate the distance between a and b genes.

Question : Klinefclter's syndrome is characterized by a karyotype of ............ .

Question : individual of a species which occur in a particular area constitutes

Question : Klinefelters syndrome is not seen in human females - give reason.

Question : Individual muscle bundle is known as A_ and many bundles are held together by a collagenous sheath of connective tissue called_ BChoose the option which gives the correct answer for blanks in above statement.

Question : Kingdom protista includes organisms like:-

Question : Individual homozygous for cd genes were crossed with wild type(++). The F1 hybrids thus produced was test crossed and progenies produced in following ratio ++-450, cd-440,+ d-58,+c-54 Calculate the distance between c and d genes.

Question : Kingdom fungi are included in domain Bacteria.

Question : Indiscrimate diagnostic practices using X- rays etc, should be avoided . Give one reason.

Question : Kingdom animalia is divided into two groups, __________ and ________ .

Question : Indicate the stages where meiosis and mitosis occur (1, 2 or 3) in the flow chart. Megaspore mother cell overset(1)rarr Megaspores overset(2)rarr Embryo sac overset(3)rarr Egg

Question : Kingdom Animalia is characterised byautotrophic eukaryotes.

Question :indicate the correct sequence in callus culture.

Question : King Cobrais

Question : Indicate, the inheritance of which of the following is controlled by multiple alleles :

Question : India's wheat yield revolution in the 1960s was possible primarily due to:

Question : India's fist test tube baby was born in august 6, 1986 in mumbai. The credit for india's first test tube baby goes to

Question : Indias wheat yeild revolution in the 1960 was possible primarily due to

Question : Indian Veterinary Research institute is situated in

Question : Indian camel is characterised by

Question : Indian breeds of camel are

Question : Indianbasmatiwaspatented byusgovernmentas

Question : India with only ____________ world's land area posses _______________ species diversity of the world .

Question : India is the primary centre for domestication of which spice ?

Question : India is the largest exporter of ______ to the world

Question : India is developing industrially and economically .Do you agree with this type od development from an ecological perspective?why?

Question : India is developing industrially and economically. Do you agree with this type of development from an ecological perspective? Why?

Question :India is divided into biogeographical regions .

Question : Indespensable tool of genetic engineering is

Question :India ( A ) biosphere reserves , ( B ) national parks and ( C ) wildlife sanctuaries covering ( D ) % of the total land surface .

Question : Independent genes that copy other genes so as to produce a similar effect are called

Question : Independent alternation of generation is the unique character of the life cycle of :

Question : Independent assorment of Mendel was under in framing

Question : Independent alternation of generation is the unique character of the life cycle of:-

Question : Indentify the recessive trait among the following given below.

Question : Indentify the parthenocarpic fruit

Question : Identify the correct statement for the following.

Question : Indentify the correcty match for thegiven apparatus

Question : Indentify the correctly matche pair ?

Question : Indentify the areas labelled (i), (ii), (iii) and (iv) in the pie chart given below representing the biodiversity of plants showing theirproportionate number of species of major taxa.

Question : Incubation Period of Pneumococcal is ........(A) One to three months(B) One to three weeks(C) One to three days(D) One to three hours

Question : Increasing the number of measurement of an experimental variable will -

Question : Incubation period for malaria ____

Question :Increased IMR and decreased MMR in a population will.

Question : Increased asthmatic attacks in certain seasons are related to

Question : Kingdom animalia is divided into two groups, __ and .

Question : India with only world's land area posses ___ species diversity of the world .