24277 + Interview Questions in Biology in Class 12 Page 70 InterviewSolution

3451.	Question : Use of bio-resources by multinational companies and other organisations without proper authorisation from the countries and people concerned without compensatory payment is termed as
Answer» resource partitioning biopiracy patenting biofortification Solution :Biopiracy is exploitation of bioresources of a country by organisations and multinationals for commercial purpose with or without patent but without any Access and Benefit Sharing Agreement (ABA). Bioresources or BIOLOGICAL resources are all those organisms which can provide commercial benefits. They are abundant in developing countries which are poor in technology though the countries have TRADITIONAL knowledge related in bioresources. On the other hand, developed countries are poor in bioresources but are rich in technology. traditional knowledge helps in saving time, effort and expenditure in developing refined product for commercialisation. Therefore, based on traditional knowledge, institutions and COMPANIES of INDUSTRIALISED nations are collecting and exploiting bioresources of other nations by GETTING them patented.

Discussion

3452.	Question : Use of bioresources by multinational companies and organisations without authorisation from the concerned country and its people is called
Answer» Bioexploitation Bio-infringement BIODEGRADATION BIOPIRACY SOLUTION :Biopiracy

Discussion

3453.	Question : Use of biology in industrial process and for improving quality of life is called:
Answer» Biotechnology Microbiology Genetic ENGINEERING Eugenics Answer :A

Discussion

3454.	Question : Use for Humulin by an Indiancompanyfor marketing withoutnotifyingEli companyof U.S.Awill be described as
Answer» Bio-war Bio-ethics Biopiracy BIOPATENT ANSWER :D

Discussion

3455.	Question : Use of anti-histamines and steroids give a quick relief from
Answer» allergy nausea cough headache Answer :A

Discussion

3456.	Question : Use of assertion is followed by a statement of reason . Mark the correct choice as
Answer» If both ASSERTION and REASON are true and reason If both assertion and reason are ture but reason is not the CORRECT EXPLANATION of assertion. If assertion is true but reason is false If both assertion and reason are false. Answer :A

Discussion

3457.	Question : Urino-genital passage join by…………..
Answer» URETER - inejuinal CANAL ureter - EPIDIDYMIS ureter - ejaculatory duct none of these Answer :C

Discussion

3458.	Question : urkinje fibres are specialised
Answer» NERVE fibres muscle fibres collagen fibres elastic fibres Answer :B

Discussion

3459.	Question : Uriniferous tubules are found in _____.
Answer» BRAIN Kidneys Testies Ovary Answer :B

Discussion

3460.	Question : The urinogenital canal of female rabbit is formed by union of __________ .
Answer» SOLUTION :VESTIBULE.

Discussion

3461.	Question : Urine is formed from
Answer» TUBULAR absorption Glomerular filtration Tubular secretion Both A and B Answer :D

Discussion

3462.	Question :Urine becomes more and more hypertonic as it passes through
Answer» DESCENDING LIMB of LOOP of Henle proximal convoluted tubule ascending limb of loop of Henle distal convoluted tubule Answer :A

Discussion

3463.	Question : Uric acid is the chief nitrogenous component of the excretroy products of :-
Answer» FROG MAN EARTHWORM COCKROACH ANSWER :D

Discussion

3464.	Question : Uric acid forms in body by :
Answer» Phospholipid Glucose DNA RNA Answer :C

Discussion

3465.	Question : Urey-Miller's experiment mixture had the following except
Answer» METHANE `CO_2` HYDROGEN WATER vapour Solution :`CO_2`

Discussion

3466.	Question : Urey and Miller's spark discharge apparatus was designed to provide experimental support for whose theory of evolution?
Answer» Solution :Urey and Miller's spark DISCHARGE apparatus was DESIGNED to provide EXPERIMENTAL support for Oparin's theory of chemical EVOLUTION.

Discussion

3467.	Question : Urethral meatus refers to the
Answer» Urinogenital duct Opening of vas deferens into urethra External opening of the urinogential duct Muscles surrounding the urinogenial duct Solution :The urethra (urinogenital duct) originates from the urinary bladder and EXTENDS through penis to its external opening CALLED urethral MEATUS. ALONG with duct of seminal VESICLE the opening of vas deferens also opens as ejaculatory duct in urethra.

Discussion

3468.	Question :Ureides are the compounds A With high nitrogen to carbon ratio B. With tow nitrogen to carbon ratio. C. Translocated through phloem only. D. Translocated through xylem. E. Can be seen in nodules of soyabean. Choose the correct option.
Answer» A. B & C A. C & D A. D & E B C & D Answer :C

Discussion

3469.	Question : Urea splitting bacteria are responsible for …………….types of stones.
Answer» CALCIUM oxalate calcium phosphate calcium carbonate struvite Answer :D

Discussion

3470.	Question : Urea is formed by breakdown of_____.
Answer» Glucose Fatty ACID Amino acid Ammonia Answer :C

Discussion

3471.	Question : Upward movement of water in plants is called
Answer» ROOT pressure Ascent of sap Transpiration imbibition Answer :B

Discussion

3472.	Question : Uptake of O_2 and release of CO_2 in presence of light.
Answer» ANSWER :PHOTORESPIRATION

Discussion

3473.	Question : Uprooting of weeds is a method of controlling them by ........... means.
Answer» Biological Mechanical Cultural Chemical Answer :B

Discussion

3474.	Question : Upon oxidation of 1 molecule of pyruvic acid in mitochondrial respiration the mole-cules of ATP generated are
Answer» 38 30 8 15 Answer :D

Discussion

3475.	Question : Unwinding of double helix DNA is brought about by _____ , which is ______ dependent
Answer» TOPOISOMERASE,ATP Helicase, ADP Helicase, ATP Topoisomerase, GTP Answer :C

Discussion

3476.	Question : Unusual nitrogenous bases are common in :
Answer» mRNA rRna tRna DNA Answer :C

Discussion

3477.	Question : Unstriped muscle are also known as :-
Answer» VISCERAL skeleton Smooth Involuntary All Answer :4

Discussion

3478.	Question : Unstriped muscle are also known as
Answer» Visceral Smooth Involuntary All Answer :D

Discussion

3479.	Question : Untrue about a higher concentration solution
Answer» LESS WATER potential Less OSMOTIC potential More -ve water potential More water potential Answer :D

Discussion

3480.	Question : Unsaturated fats are made saturated by
Answer» Polymerisation Hydrogenation Dehydrogenation Hybridisation. Solution :N//A

Discussion

3481.	Question : Unloading of minerals in leaves is
Answer» ACTIVE process Passive process Simple diffusion None of the above Answer :B

Discussion

3482.	Question : Unloadingof phloemat sinkincludes_____.
Answer» SOLUTION :ACTIVE TRANSPORT

Discussion

3483.	Question : Unmyelinated and myelinated neurons in PNS can be easily differentiated as unmyelinated neurons
Answer» LACK both Schwann CELLS and MYELIN sheath Lack only myelin sheath Lack only Schwann cells Lack neurilemma and Nissl's granules Answer :B

Discussion

3484.	Question : Unloading of oxygen is relatively more at the following areas
Answer» Lungs Smooth muscles Skeletal muscles Gills ANSWER :C

Discussion

3485.	Question : Unleased petrol has been introduced in India with effect from
Answer» FIRST january,1996 First APRIL, 1995 first april,1996 First january,1997 Answer :B

Discussion

3486.	Question : "Universal Donor" and "Universal Recipients" blood group are ____ and ____ respectively.
Answer» AB,O O,AB A,B B,A Answer :B

Discussion

3487.	Question : United Nations framework convention on climate change, an international treaty sighned by 194 countries to cooperatively discuss global climate change and its impact. As a science student, explain. What is global warming?
Answer» Solution :The INCREASE in the GLOBAL MEAN temperature is CALLED global warming.

Discussion

3488.	Question : Unit of primary production is
Answer» `g//m^(2)` `(kcal//m^(2))yr^(-1)` Both (A) and (B) NONE of these Solution :`(kcal//m^(2))yr^(-1)`

Discussion

3489.	Question : Unit of natural selection is:
Answer» Individual Population Species Gene Answer :A

Discussion

3490.	Question : Unit of hearedity is .................. .
Answer» allele allelomorph trait gene Answer :d

Discussion

3491.	Question : Unit of evolution is:
Answer» Population Gene Species Individual Answer :A

Discussion

3492.	Question : Unisexual organism posses both reproductive organ.
Answer» ANSWER :BISEXUAL

Discussion

3493.	Question : Unisexuality of flowers prevents :
Answer» GEITONOGAMY, but not xenogamy Autogamy and geitonogamy Autogamy, but not geitonogamy Both geitonogamy and xenogamy Answer :C

Discussion

3494.	Question : Unisexual male flowers are known as Pistillate Hermaphrodite Staminate Dithecous
Answer» Pistillate Hermaphrodite Staminate Dithecous Answer :C

Discussion

3495.	Question : Unisexual flower prevent
Answer» Pollination Breeding Self-pollination Cross fertilization Answer :C

Discussion

3496.	Question : Unique to the brain of mammals
Answer» 3 meninges 4 OPTIC LOBES GYRI and Sulci All the above Answer :D

Discussion

3497.	Question : Unique features of bryophytesis that they
Answer» produce spores have SPOROPHYTE attached to gametophyte lack roots lack vascular tissues Solution :(b) The MAIN plant body of bryophytes is GAMETOPHYTIC which is independent and may be thallose or foliose. The sporophyte is differentiated WATER of ponds during spring season, hence ALSO called pond scum.Whereas, blue-green algae like Nostoc,Anabaena are the important nitrogen fixing cyanobacteria, , so these are used as biofertiliser, Azotobacteris the aerobic free living/non-symbiotic nitrogen fixer.

Discussion

3498.	Question : ‘Uniporter’ is involved in the transport of
Answer» Two MOLECULES MOVE together in the same direction Two molecules move together in opposite direction More than two molecules move either same or in opposite directions Single molecule MOVES ACROSS the membrane in ONE direction only Answer :D

Discussion

3499.	Question : Unidirectional transmission of a nerve impulse through nerve fibre is due to the fact that :-
Answer» Nerve FIBRE is INSULATED by a medullary sheath Sodium POTASSIUM pump starts operating only at cyton and then continues into the nerve fibre Neurotransmitters are released by dendrites and not by AXON endings Neurotransmiters are released by the axon endings and not by dendrites Answer :D

Discussion

3500.	Question : Unidirectional flow of information fromDNA toRNA to protein .
Answer» True False Answer :CENTRAL DOGMA

Discussion

Explore topic-wise InterviewSolutions in .

Question : Use of bio-resources by multinational companies and other organisations without proper authorisation from the countries and people concerned without compensatory payment is termed as

Question : Use of bioresources by multinational companies and organisations without authorisation from the concerned country and its people is called

Question : Use of biology in industrial process and for improving quality of life is called:

Question : Use for Humulin by an Indiancompanyfor marketing withoutnotifyingEli companyof U.S.Awill be described as

Question : Use of anti-histamines and steroids give a quick relief from

Question : Use of assertion is followed by a statement of reason . Mark the correct choice as

Question : Urino-genital passage join by…………..

Question : urkinje fibres are specialised

Question : Uriniferous tubules are found in _____.

Question : The urinogenital canal of female rabbit is formed by union of __________ .

Question : Urine is formed from

Question :Urine becomes more and more hypertonic as it passes through

Question : Uric acid is the chief nitrogenous component of the excretroy products of :-

Question : Uric acid forms in body by :

Question : Urey-Miller's experiment mixture had the following except

Question : Urey and Miller's spark discharge apparatus was designed to provide experimental support for whose theory of evolution?

Question : Urethral meatus refers to the

Question :Ureides are the compounds A With high nitrogen to carbon ratio B. With tow nitrogen to carbon ratio. C. Translocated through phloem only. D. Translocated through xylem. E. Can be seen in nodules of soyabean. Choose the correct option.

Question : Urea splitting bacteria are responsible for …………….types of stones.

Question : Urea is formed by breakdown of_____.

Question : Upward movement of water in plants is called

Question : Uptake of O_2 and release of CO_2 in presence of light.

Question : Uprooting of weeds is a method of controlling them by ........... means.

Question : Upon oxidation of 1 molecule of pyruvic acid in mitochondrial respiration the mole-cules of ATP generated are

Question : Unwinding of double helix DNA is brought about by _____ , which is ______ dependent

Question : Unusual nitrogenous bases are common in :

Question : Unstriped muscle are also known as :-

Question : Unstriped muscle are also known as

Question : Untrue about a higher concentration solution

Question : Unsaturated fats are made saturated by

Question : Unloading of minerals in leaves is

Question : Unloadingof phloemat sinkincludes_____.

Question : Unmyelinated and myelinated neurons in PNS can be easily differentiated as unmyelinated neurons

Question : Unloading of oxygen is relatively more at the following areas

Question : Unleased petrol has been introduced in India with effect from

Question : "Universal Donor" and "Universal Recipients" blood group are ____ and ____ respectively.

Question : United Nations framework convention on climate change, an international treaty sighned by 194 countries to cooperatively discuss global climate change and its impact. As a science student, explain. What is global warming?

Question : Unit of primary production is

Question : Unit of natural selection is:

Question : Unit of hearedity is .................. .

Question : Unit of evolution is:

Question : Unisexual organism posses both reproductive organ.

Question : Unisexuality of flowers prevents :

Question : Unisexual male flowers are known as Pistillate Hermaphrodite Staminate Dithecous

Question : Unisexual flower prevent

Question : Unique to the brain of mammals

Question : Unique features of bryophytesis that they

Question : ‘Uniporter’ is involved in the transport of

Question : Unidirectional transmission of a nerve impulse through nerve fibre is due to the fact that :-

Question : Unidirectional flow of information fromDNA toRNA to protein .

Question : Unwinding of double helix DNA is brought about by _ , which is __ dependent

Question : "Universal Donor" and "Universal Recipients" blood group are and respectively.