24277 + Interview Questions in Biology in Class 12 Page 90 InterviewSolution

4451.	Question : The term 'gene' was coined by ……………….
Answer» SOLUTION :The TERM .GENE. was COINED by

Discussion

4452.	Question : The term gene for Mendelian factor was coined by
Answer» SUTON and Boveri Morga Bateson Johannsen Answer :D

Discussion

4453.	Question : The term gene was coined by _______________
Answer» Garrod JOHANNSEN Meischer Griffith Answer :B

Discussion

4454.	Question : The term explains absence of urine is called _____.
Answer» ANSWER :ANURIA

Discussion

4455.	Question : The term ecosystem was coined by
Answer» AG Tansley E HAECKEL E Warming EP Odum SOLUTION :AG Tansley

Discussion

4456.	Question : The term 'desirable trait' can mean different things for different plants. Justify the statement with suitable examples.
Answer» SOLUTION :Desirable trait.s include (a) Higher yield (b) Improved FOOD QUALITY (c) INSECT pest resistance (d) DISEASE resistance to fungi, bacteria and viral diseases

Discussion

4457.	Question : ecology term was coined by
Answer» ARISTOTLE REITER Linnaeus Odum ANSWER :B

Discussion

4458.	Question : The term .desirable trait. can mean different things for different plants. Justify the statement with suitable examples.
Answer» Solution :In millets, resistance to water STRESS is desirable TRAIT. While in mung BEAN, resistance to yellow mosaic. Virus and POWDERY mildew are desirable TRAITS.

Discussion

4459.	Question : The term crossing over was coined by
Answer» ANSWER :T.H. MORGAN

Discussion

4460.	Question : The term clone cannot be applied to offspring formed by sexual reproduction because :
Answer» Offspring do not possess exact copies of parental DNA DNA of only one parent is copied and PASSED on to the offspring Offspring are formed at different times DNA of parent and offspring are completely different. Solution :In asexual REPRODUCTIO, single parent (uniparental) is capable of producing offspring which are not only identical to one another but are also exact copies of their parent. The term clone is USED to descibe such morphologically and genetically similar individuals. In Sexual reproduction INVOLVES the fusion of male and female gametes (either by same individual or by different individual of the opposite sex), and it results in offspring that are not identical to the parents or amongst themselves.

Discussion

4461.	Question : The term 'centrosome' was introduced by
Answer» ROBERT Kock Boveri Zernike Robert Brown Answer :B

Discussion

4462.	Question : The term 'chemical knife' refers to
Answer» polymerases endonucleases ribonucleases cellulases Answer :B

Discussion

4463.	Question : The term biotechnology was coined by _________
Answer» SOLUTION :KARL Ereky

Discussion

4464.	Question : The term biosphere, hydrosphere and atmosphere
Answer» In LITHOSPHERE, HYDROSPHERE and atomosphere In lithosphere and hydrosphere In hydrosphere On lithosphere. Answer :A

Discussion

4465.	Question : The term 'Bio-magnification'refers to the:
Answer» Growth of ORGANISMS DUE to FOOD consumption Increase in population size Blowing up of enviromnetal issues by man Increase in CONC. of non-degradable pollutants as they pass through food chain Answer :D

Discussion

4466.	Question : The term back cross refers to
Answer» A CROSS AMONG `F_1` hybrid A cross BETWEE `F_1` hybrid and either of parents A cross between `F_1` and `F_2` plants none of these Answer :B

Discussion

4467.	Question : The tendency of thebodyto manifest a characteristic and unpleasant withdrawal syndrome if regular dose of drugs//alcohol is abruphtly discontinued is
Answer» Addiction Dependence Adolescence vandalism Solution : The tendency of THEBODY to manifestacharacteristic and unpleasantwithdrawal syndrome if REGULAR dose of drugs`//`alcohol is abruptly DISCONTINUED is dependence.

Discussion

4468.	Question : The term "allelomorphic' means:
Answer» Sex LINKED characters Sex DETERMINING choromosomes A PAIR of contrasting characters Representatives of the same gene locus Answer :C

Discussion

4469.	Question :The tendency of the body to manifest a characteristic and unpleasant withdrawal syndrome if regular dose of drugs/ alcohol is abruptly discontinued is
Answer» ADDICTION ADOLESCENCES DEPENDENCE Vandalism Answer :C

Discussion

4470.	Question : The tendency of population to remain in genetic equilibrium may be disturbed by
Answer» RANDOM MATING LACK of migration lack of mutations lack of random mating SOLUTION :lack of random mating

Discussion

4471.	Question : The tendency of population to remain in genetic equilibrium may be disturbed by :
Answer» LACK of migration lack of mutations RANDOM mating lack of random mating Answer :D

Discussion

4472.	Question : The tendency of an organism to maintain internal eqilibrium in response to any change in its environment is called :
Answer» Epistasis Homeostasis Bioenergetics Holocoenosis Answer :B

Discussion

4473.	Question : The temperature of scrotal sac is…………..lower than the normal body temperature.
Answer» `1""^(@)C` `2""^(@)C` `3""^(@)C` `4""^(@)C` ANSWER :C

Discussion

4474.	Question : The technology of biogas production was developed in India due to the efforts of
Answer» IARI KVIC NBRI All EXCEPT C Answer :D

Discussion

4475.	Question : The technology of biogas production from cow dung was developed in India largely due to the efforts of :
Answer» Gas Authority of India Oil and NATURAL Gas Commission Indian Agriculture RESEARCH INSTITUTE and Khadi & VILLAGE INDUSTRIES Commission Indian Oil Corporation Answer :C

Discussion

4476.	Question : The technique which makes use of amniotic fluid for the detection of prenatal disorder is called as.
Answer» Leparoscopy AMNIOCENTESIS ENDOSCOPY ULTRASOUND . ANSWER :B

Discussion

4477.	Question : The techniques that serve the purpose of early diagosis :-
Answer» POLYMERASE CHAIN Reaction ELISA Recombinant DNA technology All of the above Answer :D

Discussion

4478.	Question : The technology of biogas production from cow dung was developed in India largely due to the efforts of
Answer» Gas Authority of INDIA Oil and Natural Gas Commission Indian Agricultural RESEARCH Institute and Khadi and Village Industries Commission Indian Oil Corporation SOLUTION :The technology of biogas production from COW dung was DEVELOPED in India largely due to the efforts of Indian Agricultural Research Institute (IARI) and Khadi and Village Industries Commission (KVIC).

Discussion

4479.	Question : The technique that counts and identifies cells and chromosomes is
Answer» electrophoresis flow cytometry both (B) and (C) X-ray crystallography Answer :B

Discussion

4480.	Question : The technique that was employed to produce haploids of Datura was Or For production of haploids, we culture
Answer» Meristerm culture Anther culture Embryo culture PROTOPLAST culture Solution :HAPLOIDS have a single genome as found in the gametes of the species.A haploid has only one copy to each CHROMOSOME and is highly STERILE.

Discussion

4481.	Question : The technique that was employed to produce haploids of Datura was
Answer» MERISTEM CULTURE ANTHER culture embryo culture protoplast culture Answer :B

Discussion

4482.	Question : The technique separates proteins according to their molecular weight.
Answer» PAGE Affinity chromatography Ion EXCHANGE chromatography Gel filtration Answer :A

Discussion

4483.	Question : The technique of obtaining large number of plantlets by tissue culture method is called Or To meet the demands of the society, in vitro production of a large number of plantlets in a short duration is practised in floriculture and hoticulture industry today.This is called ....... Or A novel technique devised to produce vast quantities of strong and healthy plants by rapid vegetative multiplication under controlled conditions
Answer» Micropropagation Macropropagation Plantlet culture Organ culture Solution :Micropropagation, means rapid VEGETATIVE multiplication of VALUABLY plant MATERIAL for agriculture, HORTICULTURE and forestry. Propagation through TISSUE culture is called micropropagation.

Discussion

4484.	Question : The technique of transferring DNA fragment separated on agarose gel to a synthetic membrane like nitrocellulose is known as
Answer» NORTHERN BLOTTING SOUTHERN blotting WESTERN blotting Dot blotting Solution :Southern blotting

Discussion

4485.	Question : The technique of preparing vaccine form attenuated pathogen was discovered by
Answer» Edward Jenner (1796) Robert KOCH (1876) LOUIS Pasteur (1879) Von Behring (1891) Answer :C

Discussion

4486.	Question : The technique of obtaining large number of plantlets by tissue culture method is called:
Answer» ORGAN culture Micropropagation Macropropagation Plantlet culture Answer :B

Discussion

4487.	Question : The technique of DNA finger printing was initially developed by
Answer» IAN Wilmut HarGobind Khurana Jacque Monod Alex Jeffreys Answer :D

Discussion

4488.	Question : The technique of DNA fingerprinting was pioneered and perfected by
Answer» Ian Wilmut Hargobind Khorana Jacque MONOD ALEC Jeffreys Answer :D

Discussion

4489.	Question : The technique of DNA fingerprinting was initially developed by
Answer» LAN Wilmut Har GOBIND Khurana Jacque Monod ALEX Jeffreys ANSWER :D

Discussion

4490.	Question : The technique of culturing plants in nutrient solutions is known as _______.
Answer» ANSWER :HYDROPONICS

Discussion

4491.	Question : The technique, involving transfer of ovum of a donor female in to the fallopian tube of recipient female is called :
Answer» ZIFT IUT GIFT IVF-ET Answer :C

Discussion

4492.	Question : For which females gamete intra fallopian transfer (GIFT) is recommended ?
Answer» who cannot produce an ovum. Who cannot retain the foatus inside uterus WHOSE cervical CANAL is to narrow to allow PASSAGE for the sperms. Who cannot PROVIDE suitable environment for fertilization. Answer :A

Discussion

4493.	Question : the technique called Gamete Intra Fallopian Transfer (GIFT) is is recommended for those females
Answer» who cannot produce an ovum who cannot retain the foetus INSIDE UTERUS whose CERVICAL CANAL keys to narrow to ALLOW passage for the sperms. who cannot provide suitable environment for fertilization Answer :A

Discussion

4494.	Question : The technique by which virus detection can be made both in plants and animals is known as:
Answer» ENZYME LINKED immunoabsorbent ASSAY (ELISA) Electrophoresis Electron microscopy Immunofluorescence Answer :A

Discussion

4495.	Question : The technique called Gamete intra Fallopian Tranfer (GIFT) is recommended for those females
Answer» who cannot produce an ovum who cannot RETAIN inside uterus whose cervical canal is too NARROW to allow PASSAGE for the sperms who cannot PROVIDE suitable ENVIRONMENT for fertilisation Answer :A

Discussion

4496.	Question : The technical term used for the androecium in a flower of China rose ( Hibiscus rosasinensis) is
Answer» DIADELPHOUS POLYANDROUS Polyadelphous Monadelphous . ANSWER :D

Discussion

4497.	Question : The tears falling from eyes and saliva in the mouth are which kinds of barrier of Innate immunity?
Answer» PHYSICAL BARRIER PHYSIOLOGICAL barrier Cellular barrier CYTOKINE barrier SOLUTION :Physiological barrier

Discussion

4498.	Question : The TCA enzyme is found in:
Answer» Peroxisomes Ribosomes Mitochondrial matrix Cytoplasm Answer :C

Discussion

4499.	Question : The taxon likely to join the category of endangered category in near future is
Answer» Extinct Rare Vulnerable Living Fossil Answer :C

Discussion

4500.	Question : The taxa believed likely to join the endangered category in near future is called
Answer» EXTINCT RARE VULNERABLE out of danger Answer :C

Discussion

Explore topic-wise InterviewSolutions in .

Question : The term 'gene' was coined by ……………….

Question : The term gene for Mendelian factor was coined by

Question : The term gene was coined by _______________

Question : The term explains absence of urine is called _____.

Question : The term ecosystem was coined by

Question : The term 'desirable trait' can mean different things for different plants. Justify the statement with suitable examples.

Question : ecology term was coined by

Question : The term .desirable trait. can mean different things for different plants. Justify the statement with suitable examples.

Question : The term crossing over was coined by

Question : The term clone cannot be applied to offspring formed by sexual reproduction because :

Question : The term 'centrosome' was introduced by

Question : The term 'chemical knife' refers to

Question : The term biotechnology was coined by _________

Question : The term biosphere, hydrosphere and atmosphere

Question : The term 'Bio-magnification'refers to the:

Question : The term back cross refers to

Question : The tendency of thebodyto manifest a characteristic and unpleasant withdrawal syndrome if regular dose of drugs//alcohol is abruphtly discontinued is

Question : The term "allelomorphic' means:

Question :The tendency of the body to manifest a characteristic and unpleasant withdrawal syndrome if regular dose of drugs/ alcohol is abruptly discontinued is

Question : The tendency of population to remain in genetic equilibrium may be disturbed by

Question : The tendency of population to remain in genetic equilibrium may be disturbed by :

Question : The tendency of an organism to maintain internal eqilibrium in response to any change in its environment is called :

Question : The temperature of scrotal sac is…………..lower than the normal body temperature.

Question : The technology of biogas production was developed in India due to the efforts of

Question : The technology of biogas production from cow dung was developed in India largely due to the efforts of :

Question : The technique which makes use of amniotic fluid for the detection of prenatal disorder is called as.

Question : The techniques that serve the purpose of early diagosis :-

Question : The technology of biogas production from cow dung was developed in India largely due to the efforts of

Question : The technique that counts and identifies cells and chromosomes is

Question : The technique that was employed to produce haploids of Datura was Or For production of haploids, we culture

Question : The technique that was employed to produce haploids of Datura was

Question : The technique separates proteins according to their molecular weight.

Question : The technique of transferring DNA fragment separated on agarose gel to a synthetic membrane like nitrocellulose is known as

Question : The technique of preparing vaccine form attenuated pathogen was discovered by

Question : The technique of obtaining large number of plantlets by tissue culture method is called:

Question : The technique of DNA finger printing was initially developed by

Question : The technique of DNA fingerprinting was pioneered and perfected by

Question : The technique of DNA fingerprinting was initially developed by

Question : The technique of culturing plants in nutrient solutions is known as _______.

Question : The technique, involving transfer of ovum of a donor female in to the fallopian tube of recipient female is called :

Question : For which females gamete intra fallopian transfer (GIFT) is recommended ?

Question : the technique called Gamete Intra Fallopian Transfer (GIFT) is is recommended for those females

Question : The technique by which virus detection can be made both in plants and animals is known as:

Question : The technique called Gamete intra Fallopian Tranfer (GIFT) is recommended for those females

Question : The technical term used for the androecium in a flower of China rose ( Hibiscus rosasinensis) is

Question : The tears falling from eyes and saliva in the mouth are which kinds of barrier of Innate immunity?

Question : The TCA enzyme is found in:

Question : The taxon likely to join the category of endangered category in near future is

Question : The taxa believed likely to join the endangered category in near future is called