24277 + Interview Questions in Biology in Class 12 Page 296 InterviewSolution

14751.	Question : in young anther, four rows of cell destined to form pollen are collectively called
Answer» Antheridium Archesporium Tapetum Zoosporangium Answer :B

Discussion

14752.	Question : In world how much botanical gardens are present and how much species are maintained ?
Answer» 1500, More than 80000 More than 1500, 80000 1500, 80000 More than 1500, About 80000 SOLUTION :More than 1500, About 80000

Discussion

14753.	Question :In xylem, fibres give strength to-
Answer» VESSELS TRACHEIDS PARENCHYMA STORAGE tissue Answer :A

Discussion

14754.	Question : In XO type of sex determination
Answer» Males have PAIRED autosomes and allosomes Males have paired autosomes but unpaired allosome Females have paired autosomes but unpaired allosome Females are WITHOUT allosomes Answer :B

Discussion

14755.	Question : In which years was the arrangement of sequence of HGP finished ?
Answer» 36982 37347 37712 38078 Solution :37712

Discussion

14756.	Question : In which zone of atmosphere, ozone layer is present ?(A) Troposphere(B) Stratosphere(C) Ionosphere(D) Exosphere
Answer» Troposphere Stratosphere Ionosphere Exosphere ANSWER :B

Discussion

14757.	Question : In which year was the Air (Prevention and Control of Pollution) Act amended to include noise as air pollution.
Answer» SOLUTION :In 1987 AIR (Prevention and Control of POLLUTION) ACT amended to INCLUDE noise as air pollution

Discussion

14758.	Question : In which year the Water ( prevention and Control of Pollution) Act was passed by the government of India to safegaurd our water resources?
Answer» 1974 1981 1987 1994 Answer :A

Discussion

14759.	Question : In whichyear thefirstgeneticallyengineeredproductwasapprovedformedical use?
Answer» 1972 1982 1992 1973 Answer :B

Discussion

14760.	Question : In which year MTP was legalized India ?
Answer» 1971 1951 1981 1923 Answer :A

Discussion

14761.	Question : In which year HardyWemberg lawwas proposed?
Answer» 1908 1909 1910 1911 Solution :1908

Discussion

14762.	Question : In which year Hardy-Weinberg's principal waspropose ?
Answer» 1906 1907 1908 1909 Solution :1908

Discussion

14763.	Question : In which year the Government of India has passed the Water (Prevention and Control of Pollution Act)?
Answer» 1974 1981 1984 1972 ANSWER :A

Discussion

14764.	Question : In which year, Government of India passed the Environment (Protection) Act ?(A) 1974(B) 1980(C) 1984(D) 1986
Answer» 1974 1980 1984 1986 ANSWER :D

Discussion

14765.	Question : Environment protection act was enacted in :
Answer» ANSWER :A

Discussion

14766.	Question : In which year Darwin theory was proposed ?
Answer» 1959 1859 1759 1659 Solution :1859

Discussion

14767.	Question :In which year AIDS was documented in INDIA ?
Answer» 1986 1981 1976 1971 Solution :1986

Discussion

14768.	Question : In which year "Chipko Movement" started ?(A) 1972(B) 1973(C) 1974(D) 1975
Answer» 1972 1973 1974 1975 ANSWER :C

Discussion

14769.	Question : In whichyearaUSA labgrantedapatentto themedicalcentre, UniversityofMissisippi fortheuseofturmeric?
Answer» 1959 1995 1986 1997 Answer :B

Discussion

14770.	Question : In which year AIDS was documented first time?(A) 1991(B) 1971(C) 1981(D) 1961
Answer» 1991 1971 1981 1961 Solution :1981

Discussion

14771.	Question : In which way does the study of biology help to control infectious diseases?
Answer» SOLUTION :GET knowledge about the various types of pathogens, mode of TRANSMISSION, EFFECT on living organisms and their control.

Discussion

14772.	Question :In which way have microbes played a major role in controlling diseases caused by harmful bacteria?
Answer» Solution : Microbes PRODUCE certain substances that stop the growth of other microbes called antibiotics. This property of microbes has been used successfully against diseasecausing bacteria by PRODUCING antibiotics commercially. For example, an antibiotic like STREPTOMYCIN, obtained from Streptomyces griseus, is used against a number of diseases, such as MENINGITIS, pneumonia, tuberculosis, ETC.

Discussion

14773.	Question : In which ways genetically modified plants are useful?
Answer» Solution :a) Genetically modified crops are more tolerant to abiotic stresses like cold,heat, drought, salinity ETC. b) It reduce the dependence of crop on chemical pesticides as they are made pest resistant. C) POST HARVEST losses are reduced d) PLANTS have increased efficiency of mineral usage by plants, so that early exhaustion of fertility of the soil is prevented. e) Food produced from genetically modified crops has enhanced nutritional value.

Discussion

14774.	Question : In which way have microbes played a major are used in the production of the antibiotics.
Answer» SOLUTION :PRODUCTION of ANTIBIOTICS.

Discussion

14775.	Question :In which way have microbes played a major role in controlling diseases caused by harmful bacteria ?
Answer» Solution : MICROBES have played a major role in CONTROLLING DISEASES caused by harmful bacteria. Because a mass of antibiotics is PREPARED from it. e.g. Penicillin.

Discussion

14776.	Question :In which way has the study of biology helped us to control infectious diseases?
Answer» Solution :The study of biology helped us: (a) To understand the various causes of infectious DISEASES. (B)To know the mode of transmission of infectious diseases. (c) The effect of various diseases on body SYSTEMS. (d) Discovery of antibodies, ANTIBIOTICS, synthetic drugs and PLANT derived drugs to control such diseases.

Discussion

14777.	Question : In which way has the study of biology helped us to control infectious diseases?
Answer» Solution :The USE of VACCINES and IMMUNISATION programmes have enabled us to eradicate small pox. Diseases like polio, diphtheria, tetanus ETC. have been controlled to an extent by the use of vaccines. Now a days biotechnology is focussing on the preparation of NEWER and safer vaccines. A large number of antibiotics are available to treat many infectious diseases.

Discussion

14778.	Question : In which way has the study of biology helped us to control infectious diseases ?
Answer» Solution :BIOLOGICAL STUDIES have helped us to UNDERSTAND the characteristics of various infectious DISEASES, such as. (a) Causes of diseases (b) Symptoms of diseases (c) Mode of transmission (d) Methods to control it.

Discussion

14779.	Question : In which way conservation of biodiversity is taken ?
Answer» On SITE CONSERVATION Off site conservation New site conservation (A) and (B) both SOLUTION :(A) and (B) both

Discussion

14780.	Question : In which type of roots multilple root cap is present ?
Answer» ANSWER :STILT ROOT

Discussion

14781.	Question : In which type of reactions related to plant
Answer» GLYCOLATE CYCLE CALVIN cycle Bacterial PHOTOSYNTHESIS Glyoxylate cycle Answer :A

Discussion

14782.	Question : In which type of reactions related to plant photosynthesis peroxisomes are involved ?
Answer» GLYCOLATE CYCLE CALVIN cycle Bacterial PHOTOSYNTHESIS Glyoxylate cycle ANSWER :A

Discussion

14783.	Question : In which type of placentation, the ovules develop on the inner wall of the ovary :-
Answer» Marginal Parietal Axile Free central Answer :B

Discussion

14784.	Question : In which type of parthenoegenesis are only males produced ?
Answer» ARRHENOTOKY Thelytoky Amphitoky Both a and b Solution :Arrhenotoky

Discussion

14785.	Question : In which type of inflorescence the flowers are borne in a basipetal order
Answer» Racemose Cymose Spike Catkin Answer :B

Discussion

14786.	Question : In which type of hybridisation, the proportion of homozygosity increases ?
Answer» INBREEDING Out breeding Interspecific hybridisation Intraspecific hybridisation Solution :Inbreeding

Discussion

14787.	Question : In which type of germination hypocotyl does not elongate but the plumule itself elongates leaving the cotyledons inside the seed coat ?
Answer» Viviparous Hypogeal Epigeal Non-photoblastic Answer :B

Discussion

14788.	Question : In which type of fruit fruitlets are formed ?
Answer» ANSWER :AGGREGATE FRUIT

Discussion

14789.	Question : In which type of flower gynoecium occupies the highest position, while the other parts are situated below it.
Answer» Epigynous flower Hypogynous flower Perigynous flower Bracteate Answer :B

Discussion

14790.	Question : In which type of development in dicotyledoneae, basal cell forms suspensor
Answer» Solanad TYPE Caryphylloid type Crucifer type Asterod type. Answer :A

Discussion

14791.	Question : Out of 5 perals I a flower bud two are complete internal , two are completely external and in the remaining petal one margin is internal and the other margin is extenal. Mark the correct aestivation for the flower .
Answer» TWISTED Contorted Quincunical Valvate Answer :C

Discussion

14792.	Question : In which type of adaptation, forelimbs are modified into wings?
Answer» AQUATIC adaptation Volant adaptation Arboreal adaptation Cursorial adaption Answer :B

Discussion

14793.	Question : In which tubules sperms are formed ?
Answer» ANSWER :SEMINIFEROUS TUBULE

Discussion

14794.	Question : In which techniques Ethidium Bromide is used?
Answer» SOUTHERN Blotting techniques WESTERN Blotting techniques POLYMERASE Chain Reaction Agarose GEL ELECTROPHORESIS Answer :D

Discussion

14795.	Question : In whichtechnique do we use Taq polymerase and why ?
Answer» SOLUTION :PCR , because it is a thermostableDNA POLYMERASE enzyme, GETS isolated from bacteria. Thermus aquaticus from HOT watersprings, does notdenatured at high temperatureduring PCR and WORKS and normal DNA polymerase enzyme .

Discussion

14796.	Question : In which structures inside ovary the ovum develops ?
Answer» ANSWER :Graafian FOLLICLE

Discussion

14797.	Question : In which structure sporogony occurs to produce sporozoites of Plasmodium ?
Answer» ANSWER :OOCYST

Discussion

14798.	Question : In which structure peripheral vascular bundles are generally smaller than centrally located ones ?
Answer» DICOT stem Monocot stem Dicot root Monocot root Answer :B

Discussion

14799.	Question : In which state iron is present in the haemoglobin ?
Answer» Unionic. `Fe^(2+)` `Fe^(3+)` NONE of the above Answer :B

Discussion

14800.	Question : In which state Similipal biosphere reserve is located ?
Answer» ANSWER :ODISHA

Discussion

Explore topic-wise InterviewSolutions in .

Question : in young anther, four rows of cell destined to form pollen are collectively called

Question : In world how much botanical gardens are present and how much species are maintained ?

Question :In xylem, fibres give strength to-

Question : In XO type of sex determination

Question : In which years was the arrangement of sequence of HGP finished ?

Question : In which zone of atmosphere, ozone layer is present ?(A) Troposphere(B) Stratosphere(C) Ionosphere(D) Exosphere

Question : In which year was the Air (Prevention and Control of Pollution) Act amended to include noise as air pollution.

Question : In which year the Water ( prevention and Control of Pollution) Act was passed by the government of India to safegaurd our water resources?

Question : In whichyear thefirstgeneticallyengineeredproductwasapprovedformedical use?

Question : In which year MTP was legalized India ?

Question : In which year HardyWemberg lawwas proposed?

Question : In which year Hardy-Weinberg's principal waspropose ?

Question : In which year the Government of India has passed the Water (Prevention and Control of Pollution Act)?

Question : In which year, Government of India passed the Environment (Protection) Act ?(A) 1974(B) 1980(C) 1984(D) 1986

Question : Environment protection act was enacted in :

Question : In which year Darwin theory was proposed ?

Question :In which year AIDS was documented in INDIA ?

Question : In which year "Chipko Movement" started ?(A) 1972(B) 1973(C) 1974(D) 1975

Question : In whichyearaUSA labgrantedapatentto themedicalcentre, UniversityofMissisippi fortheuseofturmeric?

Question : In which year AIDS was documented first time?(A) 1991(B) 1971(C) 1981(D) 1961

Question : In which way does the study of biology help to control infectious diseases?

Question :In which way have microbes played a major role in controlling diseases caused by harmful bacteria?

Question : In which ways genetically modified plants are useful?

Question : In which way have microbes played a major are used in the production of the antibiotics.

Question :In which way have microbes played a major role in controlling diseases caused by harmful bacteria ?

Question :In which way has the study of biology helped us to control infectious diseases?

Question : In which way has the study of biology helped us to control infectious diseases?

Question : In which way has the study of biology helped us to control infectious diseases ?

Question : In which way conservation of biodiversity is taken ?

Question : In which type of roots multilple root cap is present ?

Question : In which type of reactions related to plant

Question : In which type of reactions related to plant photosynthesis peroxisomes are involved ?

Question : In which type of placentation, the ovules develop on the inner wall of the ovary :-

Question : In which type of parthenoegenesis are only males produced ?

Question : In which type of inflorescence the flowers are borne in a basipetal order

Question : In which type of hybridisation, the proportion of homozygosity increases ?

Question : In which type of germination hypocotyl does not elongate but the plumule itself elongates leaving the cotyledons inside the seed coat ?

Question : In which type of fruit fruitlets are formed ?

Question : In which type of flower gynoecium occupies the highest position, while the other parts are situated below it.

Question : In which type of development in dicotyledoneae, basal cell forms suspensor

Question : Out of 5 perals I a flower bud two are complete internal , two are completely external and in the remaining petal one margin is internal and the other margin is extenal. Mark the correct aestivation for the flower .

Question : In which type of adaptation, forelimbs are modified into wings?

Question : In which tubules sperms are formed ?

Question : In which techniques Ethidium Bromide is used?

Question : In whichtechnique do we use Taq polymerase and why ?

Question : In which structures inside ovary the ovum develops ?

Question : In which structure sporogony occurs to produce sporozoites of Plasmodium ?

Question : In which structure peripheral vascular bundles are generally smaller than centrally located ones ?

Question : In which state iron is present in the haemoglobin ?

Question : In which state Similipal biosphere reserve is located ?