24277 + Interview Questions in Biology in Class 12

1.	Question : Name various biomes of India.
Answer» Solution :Northern coniferous forest BIOME, TROPICAL rain forest biome, Temperate deciduous forest biome, Trophical deciduous forest biome, Temprate grassland , DESERT biome, Fresh water ecosystems and Marine ECOSYSTEM.

Discussion

2.	Question :Name two vitamins produced by bacterial fermentation
Answer» SOLUTION :`B_12`(CYANOCOBALAMIN), `B_2`(RIBOFLAVIN)

Discussion

3.	Question :Name two varieties of cheese with the names of microbes used.
Answer» Solution :SWISS CHEESE: PROPIONIBACTERIUM shermanit, Roquefort cheese: Penicillium roqueforti

Discussion

4.	Question : Name two vestigial structures in man.
Answer» Solution :VERMIFORM APPENDIX, dense HAIR on the BODY

Discussion

5.	Question : Name two surgical contraceptive methods.
Answer» SOLUTION :TUBECTOMY and VASECTOMY.

Discussion

6.	Question : Nametwo species , whichbecame extinctdue toexploitation .
Answer» SOLUTION :Steller.s SEA COW . Passengerpigeon .

Discussion

7.	Question : Name two sex hormone.
Answer» ANSWER :TESTOSTERON ESTRADIOL

Discussion

8.	Question : Name two semi - dwarf rice and wheat varieties developed in india
Answer» SOLUTION :semi-dwarf RICE :-Jaya &ratna semi-dwarf wheat - SONALIKA &kalyansona

Discussion

9.	Question : Name two respiratory diseases associated with smoking.
Answer» SOLUTION :EMPHYSEMA and PULMONARY TUBERCULOSIS.

Discussion

10.	Question : Name two semi-autonomous organelles
Answer» ANSWER :MITOCHONDRIA, CHLOROPLAST

Discussion

11.	Question : Name two predatory plants.
Answer» SOLUTION :UTRICULARIA,Diomea

Discussion

12.	Question : Name two plants which yield green manure.
Answer» SOLUTION :CROTALARIA JUNCEA, LENS esculenta

Discussion

13.	Question : Name two plants which have been produced by artificial selection.
Answer» SOLUTION :WHEAT, MAIZE

Discussion

14.	Question : Name two pests of bees.Name vitamins obtained from fish liver oil.
Answer» SOLUTION :VITAMIN A, D

Discussion

15.	Question : The molecular diagnostic technique to detect the presence of a pathogen in its early stage of infection.
Answer» Solution :PCR and ELISA & DNA PROBE

Discussion

16.	Question : Name two medically important proteins manufactured by genetic engineering.
Answer» SOLUTION :TISSUE PLASMINOGEN activator, Atrial peptides

Discussion

17.	Question : Name two main stpes which are collectively referred to as down streaming process.why is this process significant ?
Answer» Solution :Separation and PURIFICATION This process is essential because reaching into market,the product has to be SUBJECTED for CLINICAL trail and QUALITY CONTROL.

Discussion

18.	Question : Name two main mineral crystals found in plant cell.
Answer» ANSWER :Rphides,CYSTOLITH

Discussion

19.	Question : Name two main methods of animal breeding
Answer» SOLUTION :INBREEDING OUTBREEDING

Discussion

20.	Question : Name two main components of cattle feed.
Answer» SOLUTION :ROUGHAGE, CONCENTRATE

Discussion

21.	Question : Shakti, Rattan and Protina are three important lysine-rich varieties of
Answer» SOLUTION :PROTINA, SHAKTI

Discussion

22.	Question : Name two indigeous breeds of fowls.
Answer» SOLUTION :Aseeland BRAHMA.

Discussion

23.	Question : Name two indigenous breeds of fowls.
Answer» SOLUTION :ROHU, HILSA

Discussion

24.	Question : Name two indigenous breeds of fowl.
Answer» ANSWER :ASEEL and BRAHMA

Discussion

25.	Question : Nametwo important methods to controlair pollutionindustries .
Answer» SOLUTION :ELECTROSTATIC precipitatorsand SCRUBBERS.

Discussion

26.	Question : Name two important cloning vectors .
Answer» ANSWER :PLASMID DNA and becteriophages

Discussion

27.	Question : Name two hormones secreted by Andrenal medulla.
Answer» SOLUTION :ADRENAL medulla SECRETES adrenaline or epinephrine and NORADRENALINE or nor-epinephrine.

Discussion

28.	Question : Name two hallucinogens.
Answer» SOLUTION :LSD and MARIJUANA.

Discussion

29.	Question : Name two high milk yielding cross breeds of cows .
Answer» ANSWER :Karan-Swiss and Freiswal

Discussion

30.	Question : Name two fungal diseases of crops.
Answer» SOLUTION :WHITE rust of CRUCIFERS, Early BLIGHT of potato

Discussion

31.	Question :Name two genetically modified hormones.
Answer» SOLUTION :INSULIN, HUMAN GROWTH HORMONE.

Discussion

32.	Question : Name two free-living nitrogen-fixing bacteria.
Answer» SOLUTION :AZOTOBACTER, BACILLUS POLYMYXA

Discussion

33.	Question : Name two exotic breeds of fowls.
Answer» SOLUTION :Wayandotte and Minorcha.

Discussion

34.	Question : Nametwoelements which are mobile in plants.
Answer» SOLUTION :NITROGEN and PHOSPHORUS

Discussion

35.	Question : Name two drugs obtained from poppy plant. "These Drugs are medically useful but are often abused". Taking the mentioned examples justify by giving reasons.
Answer» Solution :The drugs OBTAINED from poppy plant are morphine and heroin. Morphine is a very effective sedative and painkiller and is very useful in patients who have undergone surgery but when taken for a purpose other than medicinal use or in AMOUNTS /frequency death impairs one's physical , physiological or psychologiacal FUNCTIONS,it constitutes drugs abuse. This is DONE out of cursiosity, need for ADEVENTURE and excitement and experimentation.

Discussion

36.	Question :Name two distilled and two undistilled alcoholic beverages.
Answer» Solution :DISTILLED: WHISKY, Rum, Undistilled: Beer, WINE

Discussion

37.	Question : Name two diseases whosepread can be controlled by the eardicatoion of Aedes mosquitoes
Answer» SOLUTION :DENUE and CHIKUNGUNYA

Discussion

38.	Question : Name two diseases against which genetically engineered vaccines are available.
Answer» SOLUTION : HEPATITIS, HERPES

Discussion

39.	Question : Name two curable sexually transmitted diseases.
Answer» SOLUTION :SYPHILIS, GONORRHOEA

Discussion

40.	Question : Name two disease-resistant varieties of crop plants.
Answer» SOLUTION :Chilli-Pusa SADABAHAR, Wheat-Himgiri

Discussion

41.	Question : Name two commonly used vectors for genetic engineering
Answer» SOLUTION :PLASMIDS and BACTERIOPHAGES

Discussion

42.	Question : Name two communicable diseases caused by viruses.
Answer» SOLUTION :POLIO, CHICKENPOX

Discussion

43.	Question : Name two biological processes which maintain O_2,/CO_2 balance in the nature
Answer» SOLUTION :PHOTOSYNTHESIS and RESPIRATION.

Discussion

44.	Question : Name two animals depicting metamorphic migrations .
Answer» ANSWER :MOSQUITOES , FROG .

Discussion

45.	Question : Name two alen species that have invaded India.
Answer» SOLUTION :WATER HYACINTH,LANTANA SP.

Discussion

46.	Question : Name two alcoholic drinks produced in each of the following ways. (i) by distillation and (ii) without distillation.
Answer» Solution :(i) Whisky, BRANDY, rum-by distillation (II) WINE beer-without distillation.

Discussion

47.	Question : What is incubation period?
Answer»

Discussion

48.	Question : Name the worms that cause lymphatic filariasis.
Answer» SOLUTION :WUCHERERIA bancrofit, BRUGIA malayi, Brugia timori are WORMS that cause lymphatic filariasis.

Discussion

49.	Question : Name this emerging area of research. Explain its benefits.
Answer» SOLUTION :(a) It takes 3-10 kg of grain to produce 1 kg of MEAT using animal farming. That is why cereals demand increases. (b) PRODUCTION of single cell proteins (SCP) by microbes. Microbes are being grown on an Industrial scale. Spirulinacan be easily grown on starch, molasses etc., and can make food which is rich in proteins, minerals, FATS, carbohydrates and vitamins. This could be a good ALTERNATIVE for dealing with the problem of malnutrition.

Discussion

50.	Question : Name the yeast that produce statin which lowers down the blood cholesterol.
Answer» ANSWER :MONASCUS purpureus

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Question : Name various biomes of India.

Question :Name two vitamins produced by bacterial fermentation

Question :Name two varieties of cheese with the names of microbes used.

Question : Name two vestigial structures in man.

Question : Name two surgical contraceptive methods.

Question : Nametwo species , whichbecame extinctdue toexploitation .

Question : Name two sex hormone.

Question : Name two semi - dwarf rice and wheat varieties developed in india

Question : Name two respiratory diseases associated with smoking.

Question : Name two semi-autonomous organelles

Question : Name two predatory plants.

Question : Name two plants which yield green manure.

Question : Name two plants which have been produced by artificial selection.

Question : Name two pests of bees.Name vitamins obtained from fish liver oil.

Question : The molecular diagnostic technique to detect the presence of a pathogen in its early stage of infection.

Question : Name two medically important proteins manufactured by genetic engineering.

Question : Name two main stpes which are collectively referred to as down streaming process.why is this process significant ?

Question : Name two main mineral crystals found in plant cell.

Question : Name two main methods of animal breeding

Question : Name two main components of cattle feed.

Question : Shakti, Rattan and Protina are three important lysine-rich varieties of

Question : Name two indigeous breeds of fowls.

Question : Name two indigenous breeds of fowls.

Question : Name two indigenous breeds of fowl.

Question : Nametwo important methods to controlair pollutionindustries .

Question : Name two important cloning vectors .

Question : Name two hormones secreted by Andrenal medulla.

Question : Name two hallucinogens.

Question : Name two high milk yielding cross breeds of cows .

Question : Name two fungal diseases of crops.

Question :Name two genetically modified hormones.

Question : Name two free-living nitrogen-fixing bacteria.

Question : Name two exotic breeds of fowls.

Question : Nametwoelements which are mobile in plants.

Question : Name two drugs obtained from poppy plant. "These Drugs are medically useful but are often abused". Taking the mentioned examples justify by giving reasons.

Question :Name two distilled and two undistilled alcoholic beverages.

Question : Name two diseases whosepread can be controlled by the eardicatoion of Aedes mosquitoes

Question : Name two diseases against which genetically engineered vaccines are available.

Question : Name two curable sexually transmitted diseases.

Question : Name two disease-resistant varieties of crop plants.

Question : Name two commonly used vectors for genetic engineering

Question : Name two communicable diseases caused by viruses.

Question : Name two biological processes which maintain O_2,/CO_2 balance in the nature

Question : Name two animals depicting metamorphic migrations .

Question : Name two alen species that have invaded India.

Question : Name two alcoholic drinks produced in each of the following ways. (i) by distillation and (ii) without distillation.

Question : What is incubation period?

Question : Name the worms that cause lymphatic filariasis.

Question : Name this emerging area of research. Explain its benefits.

Question : Name the yeast that produce statin which lowers down the blood cholesterol.