24277 + Interview Questions in Biology in Class 12 Page 86 InterviewSolution

4251.	Question : The value of the quantity given below is very high and massive
Answer» OSMOTIC pressure Turgor pressure Imbibitional pressure Root pressure Answer :C

Discussion

4252.	Question : The validity of the F_(1)hybrid is determinded by
Answer» BREEDING togetherbrothers and SISTERS of the `F_(1)` -generation Back CROSSING one or more of the `F_(1)`individuals test crossing one or more of the `F_(1)`individuals Producing large progeny Answer :C

Discussion

4253.	Question : The vacuoles are surrounded by a thin membrane called
Answer» PLASMODESMATA HYDATHODES Tonoplasm Tonoplast Answer :D

Discussion

4254.	Question :The vagus nerve is the cranial nerve.
Answer» 7th 5th 10th 9th Answer :C

Discussion

4255.	Question : The vaccine of hepatitis B is/an
Answer» First-generatio VACCINE INTERFERON Second-generation vaccine Third-generation vaccine ANSWER :C

Discussion

4256.	Question : The use of oil immersion can
Answer» increase the value of refractive index decrease the value of refractive index increase the value of numerical APERTURE decrease the value of numerical aperture Solution :Oil immersion is a TECHNIQUE USED to increase the RESOLUTION of a microscope by immersing OBJECTIVE lens and the speciemen in atransparent oil of high refractive index, thus increasing numerical aperture, e.g. cedar wood oil.

Discussion

4257.	Question : The art of extracting metals from their ores is called ……………
Answer» BIOREMEDIATION Biopropecting BIOMINING Biopiracy Answer :C

Discussion

4258.	Question : The useful living organism in biogas plant is...
Answer» AGROBACTERIUM METHANOGENS Azotobactor RHIZOBIUM SOLUTION :Methanogens

Discussion

4259.	Question : The use of microorganism metabolism to remove pollutants such as oil spills in the water bodies Is known as
Answer» Biomagnification BIOREMEDIATION Biomethanation Bioreduction Solution :Bioremediation

Discussion

4260.	Question : Elaborate CNG. The use of CNG is better that petrol or diesel. Give four reasons.
Answer» Solution :i) CNG BURNS more efficiently ii) In the automobiles very little of it is left unburnt III) CNG is cheaper than petrol/diesel. iv) it cannot be siphoned off by THIEVES.

Discussion

4261.	Question : The use of CNG is better than petrol or diesel. Give four reasons.
Answer» Solution :(i) CNG BURNS most EFFICIENTLY. (II) Very little remain unburnt. (III) Cannot be siphoned (iv) Cannot be adulterated like petrol or diesel. (v) CNG is cheaper than petrol and diesel.

Discussion

4262.	Question : The use of cannabis products bhang, ganja, charas, marijuana are hashish causes ………………..
Answer» Depression of brain ACTIVITY and FEELING of calmness. ALTERS thoughts, PERCEPTION Suppresses brain function and relieves pain Stimulates the nervous system and increases ALTERNESS and activity. Solution :Alters thoughts, perception

Discussion

4263.	Question : The use of bioresources by multinational companies and other organisations without proper authorisation from the countries and people concerned without compensatory payment is called:
Answer» Bioethics Biopiracy Bioterror Bioweapon Answer :B

Discussion

4264.	Question : The urine is :-
Answer» Hypotonic to BLOOD and ISOTONIC to medullary fluid Hypertonic to blood and isotonic to medullary fluid Isotonic to blood and hypotonic to medullary fluid Isotonic to blood and hypertonic to medullary fluid. Answer :B

Discussion

4265.	Question : The upright pyramid is not a feature of…....... .
Answer» (a) POND ecosystem (B) grassland ecosystem (c) FOREST ecosystem (d) LAKE Ecosystem Answer :A

Discussion

4266.	Question : The upper vertical zone of ocean upto the depth of 200 metres is known as :
Answer» PHOTIC ZONE Aphotic Zone Abyssal Zone NONE of these Answer :A

Discussion

4267.	Question : The upper surface of the tongue has small projections called _____some of which bear taste buds.
Answer» ANSWER :PAPILLAE

Discussion

4268.	Question : The upper part of sea water mainly contains
Answer» Nektons only Planktons only Nektons and planktons both NONE of the above SOLUTION :Plankton's are passively drifting or floating organisms. Most of these minute organisms. Plankton includes photosynthesizing ORGANISM as WELL as heterotropic organisms.

Discussion

4269.	Question : The unrestraint growth of specific tissues in the body result in non-infectious disease like .......
Answer» AIDS Pneumonia CANCER Typhoid SOLUTION :Cancer

Discussion

4270.	Question : The unpaired process of a typical vertebra of man is
Answer» Spinous PROCESS SUPERIOR ARTICULAR process Transverse process Inferior articular process ANSWER :A

Discussion

4271.	Question : The unknown genotype of individual is determined by
Answer» DIHYBRID cross back cross test cross monohybrid cross Answer :C

Discussion

4272.	Question : 'The universe had an explosive beginning’. Which theory proposes this?
Answer» SOLUTION :BIG BANG THEORY

Discussion

4273.	Question : The unit of reproductive structure used in vegetative propagation is called as ......
Answer» Diplospores Aplanospores Diaspores Condiospores Answer :C

Discussion

4274.	Question : Unit of distance in a genetic map ____
Answer» ANSWER :MAP UNIT or CENTIMORGAN

Discussion

4275.	Question : The unit of linkage map is
Answer» MAP UNIT Centimeter Centimorgan 1 and 3 Answer :D

Discussion

4276.	Question : The unit of measuring ozone thickness i s .......................
Answer» JOULE KILOS Dobson Watt SOLUTION :Kilos

Discussion

4277.	Question : The unique uneconomical process which is mediated by RuBisCO is
Answer» Respiration PHOTORESPIRATION PHOTOSYNTHESIS Transpiration Answer :B

Discussion

4278.	Question : the unique event of flowering plant is-
Answer» fertilisation hybridisation Syngamy double fertilization Answer :D

Discussion

4279.	Question : The unique character of mammals is_________.
Answer» ANSWER :MAMMARY GLANDS,

Discussion

4280.	Question : The unidirectional flow of genetic information from DNA to RNA to Protein is referred to as the _____ molecular biology.
Answer» ANSWER :CENTRAL DOGMA

Discussion

4281.	Question : The unicellular organism s which reproduce by binary fission are considered immortal.Justify,
Answer» Solution :In unicellular organisms during binary fission, the ENTIRE cell (organism) divides completely to form two DAUGHTER cells which later on develop into ADULT and the process goes on repeatedly during each division leading to immortality of cell (organism). HENCE unicellular organisms LIKE amoeba are .biologically immortal. .

Discussion

4282.	Question : The unfertilised egg is enucleated by
Answer» cytochalasin B polyethylene glycol Both (a) and (b) NONE of these Answer :A

Discussion

4283.	Question : The unequivocal proof of DNA as the genetic material came from the studies on :
Answer» FUNGUS VIROID BACTERIUM BACTERIAL virus Answer :C

Discussion

4284.	Question : The unbearable pain in the chest caused due to deficiency in the O_2 supply to the heart is called_____.
Answer» ANSWER :ANGINA

Discussion

4285.	Question : The UN conference of Parties on climate change in the year 2012 was held at(A) Durban(B) Doha(C) Lima(D) Warsaw
Answer» Durban Doha Lima Warsaw ANSWER :B

Discussion

4286.	Question : The ultimate source of electron in lightreaction is _____
Answer» ANSWER :WATER

Discussion

4287.	Question : The ultimate seral community appears in an area as a result of :
Answer» Ecesis Nudation Invasion Reaction ANSWER :D

Discussion

4288.	Question : The ultimate oxidising agent in aerobic respiration is________.
Answer» ANSWER :OXYGEN

Discussion

4289.	Question : The ultimate hydrogen acceptor and hydrogen donor, respectively in the photosynthesis of higher plants
Answer» Ferredoxin in `NADP^(+)` ` NADP^(+)`and water NADPH and OEC PS II PS I ANSWER :B

Discussion

4290.	Question : The ultimate electron acceptor of respiration in an aerobic organism is
Answer» CYTOCHROME OXYGEN hydrogen glucose ANSWER :B

Discussion

4291.	Question : The ultimate aim of infertile couple is to have a child. Do you know any other method for them to become a parent other than ART ?
Answer» SOLUTION :Yes, in India we have so MANY ORPHANED and destitutc children. Our LAWS permit legal adoption. So those who are suffering from INFERTILITY, can opt adoption.

Discussion

4292.	Question : the ultimate biological unit which controls heredity is called
Answer» genome chromosome genotype GENE ANSWER :D

Discussion

4293.	Question : The types of proteins produced by Bacillus thuringiensis.
Answer» SOLUTION :INSECTICIDAL PROTEINS CALLED CRY proteins.

Discussion

4294.	Question : The types of pollination exhibited by Vallisneria and Zea mays respectively are ……….
Answer» ANEMOPHILY and hydrophily entomophily and hydrophily hydrophily and anemophily hydrophily and entomophily Answer :C

Discussion

4295.	Question : The type of vector for transferring the nematode specific genes into the host.
Answer» SOLUTION :TI PLASMID of AGROBACTERIUM tumifaciens.

Discussion

4296.	Question : The type of transpiration observed in leaves
Answer» Stomatal Cuticular Lenticular both (1) and (2) ANSWER :D

Discussion

4297.	Question : thetype of speciation which reslts due to chromosomal aberration (like inversiobn and translocation ) change in chroosome s mnumber *polyplooiidy ,autopolyploidy ,etc.) is kmnown as :
Answer» phyleticv speciation quantum sseciation GRADUAL speciation none of these Answer :B

Discussion

4298.	Question : The type of syngamy in Trichonympha is
Answer» Hologamy Anisogamy Isogamy Conjugation. Answer :A

Discussion

4299.	Question : The type of reproduction occurs in ciliated protozoans is
Answer» syngamy conjugation budding cross fertilization Answer :B

Discussion

4300.	Question : The type of portal system absent in humans is a.Renal b.Hepatic c.Hypophyseal
Answer» a & b b & c a c Answer :D

Discussion

Explore topic-wise InterviewSolutions in .

Question : The value of the quantity given below is very high and massive

Question : The validity of the F_(1)hybrid is determinded by

Question : The vacuoles are surrounded by a thin membrane called

Question :The vagus nerve is the cranial nerve.

Question : The vaccine of hepatitis B is/an

Question : The use of oil immersion can

Question : The art of extracting metals from their ores is called ……………

Question : The useful living organism in biogas plant is...

Question : The use of microorganism metabolism to remove pollutants such as oil spills in the water bodies Is known as

Question : Elaborate CNG. The use of CNG is better that petrol or diesel. Give four reasons.

Question : The use of CNG is better than petrol or diesel. Give four reasons.

Question : The use of cannabis products bhang, ganja, charas, marijuana are hashish causes ………………..

Question : The use of bioresources by multinational companies and other organisations without proper authorisation from the countries and people concerned without compensatory payment is called:

Question : The urine is :-

Question : The upright pyramid is not a feature of…....... .

Question : The upper vertical zone of ocean upto the depth of 200 metres is known as :

Question : The upper surface of the tongue has small projections called _____some of which bear taste buds.

Question : The upper part of sea water mainly contains

Question : The unrestraint growth of specific tissues in the body result in non-infectious disease like .......

Question : The unpaired process of a typical vertebra of man is

Question : The unknown genotype of individual is determined by

Question : 'The universe had an explosive beginning’. Which theory proposes this?

Question : The unit of reproductive structure used in vegetative propagation is called as ......

Question : Unit of distance in a genetic map ____

Question : The unit of linkage map is

Question : The unit of measuring ozone thickness i s .......................

Question : The unique uneconomical process which is mediated by RuBisCO is

Question : the unique event of flowering plant is-

Question : The unique character of mammals is_________.

Question : The unidirectional flow of genetic information from DNA to RNA to Protein is referred to as the _____ molecular biology.

Question : The unicellular organism s which reproduce by binary fission are considered immortal.Justify,

Question : The unfertilised egg is enucleated by

Question : The unequivocal proof of DNA as the genetic material came from the studies on :

Question : The unbearable pain in the chest caused due to deficiency in the O_2 supply to the heart is called_____.

Question : The UN conference of Parties on climate change in the year 2012 was held at(A) Durban(B) Doha(C) Lima(D) Warsaw

Question : The ultimate source of electron in lightreaction is _____

Question : The ultimate seral community appears in an area as a result of :

Question : The ultimate oxidising agent in aerobic respiration is________.

Question : The ultimate hydrogen acceptor and hydrogen donor, respectively in the photosynthesis of higher plants

Question : The ultimate electron acceptor of respiration in an aerobic organism is

Question : The ultimate aim of infertile couple is to have a child. Do you know any other method for them to become a parent other than ART ?

Question : the ultimate biological unit which controls heredity is called

Question : The types of proteins produced by Bacillus thuringiensis.

Question : The types of pollination exhibited by Vallisneria and Zea mays respectively are ……….

Question : The type of vector for transferring the nematode specific genes into the host.

Question : The type of transpiration observed in leaves

Question : thetype of speciation which reslts due to chromosomal aberration (like inversiobn and translocation ) change in chroosome s mnumber *polyplooiidy ,autopolyploidy ,etc.) is kmnown as :

Question : The type of syngamy in Trichonympha is

Question : The type of reproduction occurs in ciliated protozoans is

Question : The type of portal system absent in humans is a.Renal b.Hepatic c.Hypophyseal