24277 + Interview Questions in Biology in Class 12 Page 314 InterviewSolution

15651.	Question : Hygiene.
Answer» Solution :hygiene is a SCIENCE of HEALTH which AIMS at preserving maintaining and improving the health of an individual or the community as a WHOLE.

Discussion

15652.	Question : Hybrid vigour is also called______
Answer» SOLUTION :HETEROSIS

Discussion

15653.	Question : Hydroponics helps
Answer» To identify ESSENTIAL elements for plants To identify dficiency SYMPTOMS of element To STUDY PLANT responses towards light All except (3) Answer :D

Discussion

15654.	Question : Huntington's disease is caused by
Answer» recessive GENE on y chromosome recessive gene on x chromosome dominant GEE on autosome sex influenced gene on autosome Answer :C

Discussion

15655.	Question : Hydroponics is:
Answer» Plant GROWTH in mineral DEFICIENT ,soil Soil conservation Plant growth in LIQUID CULTURE medium None of these Answer :D

Discussion

15656.	Question : Husky exocarop of walnut (jugland =s regia ) develops from the
Answer» BRACTS and PERIANTH perianth and THALAMUS BRACT and thanamus bract prianth and thalamus ANSWER :D

Discussion

15657.	Question : Hydroponics help for
Answer» PERFECT growth and development of all TYPES of vegetables Treatment of plants suffering from Fungal disease To identify the essential elements To understand the growth pattern Answer :C

Discussion

15658.	Question : Hydroponics has been successfully employed for commercial production of
Answer» Brinjal, ASPARAGUS and CUCUMBER Tomato, Cucumber and Lettuce Spinach, BIG BEAN and grapes Potato, CHILLIS and Apple Answer :B

Discussion

15659.	Question : Huntington's disease is due to a dominant autosomal gene located on
Answer» CHROMOSOME 4 Chromosome 6 Chromosome 9 Chromosome 12 Answer :A

Discussion

15660.	Question : Hydroponics has been successfully employed as technique for commercial production of all except –
Answer» Apple Tomato Lettuce Seedless Cucumber Answer :A

Discussion

15661.	Question : Huntington's chorea is
Answer» COMMON in Korea Nervous degentration CAUSING involuntary shaking of les, ARMS HEAD Disease of kidney Related to diabetes Answer :B

Discussion

15662.	Question : Hybrophytes are characterises by :
Answer» HARD STEM Airchamber Sunken stomata Large root Answer :B

Discussion

15663.	Question : Huntigton's disease is
Answer» AUTOSOMAL DOMINANT disease Autosomal RECESSIVE disorder Sex -linkexd recessive disorder Sex LINKED dominant disease Answer :A

Discussion

15664.	Question : Hydrophilytakesplacein _________.
Answer» SOLUTION :valliseneria

Discussion

15665.	Question : Hydrophily occurs in which plant?(A) Vallisnaria(B) Maize(C) Grasses(D) Yucca
Answer» Vallisnaria Maize Grasses Yucca Answer :A

Discussion

15666.	Question : Hundred metresurroundingsof hospitalsand schoolsare consideredas silent zone justiy it .
Answer» SOLUTION :It is CONSIDEREDAS silentzonebecausein hospitalssoundintensityincreasesthe HEARTBEAT , alteringrespiratorypatternsofpatients ETC but in schoolsitaffectsthe teachingand learningprocess .

Discussion

15667.	Question : 'Hydrophily''
Answer» POLLINATION by WIND. Pollination by water. Epihydrophily is a TYPE of hydrophily. Pollen GRAINS can float. Answer :Pollination by wind

Discussion

15668.	Question : Hunan eyeball consists of three layers and it encloses :
Answer» lens, IRIS, optic NERVE lens, aqueous humor and vitreous humor comea, lens, iris CORNEA, lens, optic nerve Answer :B

Discussion

15669.	Question : Hydrogen joins oxygen at the end of
Answer» Glycolysis Electron transport SYSTEM KREBS cycle All of these ANSWER :B

Discussion

15670.	Question : Humus is degraded by some microbes and release of inorganic nutrients, occur by the process known as
Answer» FRAGMENTATION LEACHING MINERALIZATION HUMIFICATION SOLUTION :Humification

Discussion

15671.	Question : Hydrocolloids Carrageen" and "Algin" are obtained from__________ and ___________respectively
Answer» Gelidium (RED ALGA), Macrocystis pyrifera (BROWN alga) Chondrus crispus (brown alga), Gelidium (red alga) Chondrus crispus (red alga), Macrocystis pyrifera (brown alga) Macrocystis pyrifera (red alga), Gracilaria (red alga) ANSWER :C

Discussion

15672.	Question : Humulin is used to treat………………………
Answer» DIABETES mellitus Diabetes insipidus Hepatitis Nephritis Answer :B

Discussion

15673.	Question : Hydro reproduces asexually by Gemmulation.
Answer» ANSWER :BUDDING

Discussion

15674.	Question : Humulin is used to treat ………. .
Answer» DIABETES mellitus Diabetes insipidus Hepatitis Nephritis Answer :A

Discussion

15675.	Question : Hydrilla is a
Answer» Phytoplankton Floating hydrophyte Submerged hybrophyte None of these Answer :C

Discussion

15676.	Question : Humulin is prouced in large scale for the specific purpose by
Answer» TISSUE CULTURE organ culture BIO- ractor None of the above ANSWER :C

Discussion

15677.	Question : Hydraulic skeleton helps in locomotion of:
Answer» Earthworm Cockroach Prawn Spider Answer :A

Discussion

15678.	Question : Humoral immune system is mediated by
Answer» B-cells T-cells NK cells Mast cells Answer :A

Discussion

15679.	Question : Humnification
Answer» Solution :Humnification is formation of HUMAN ehich is a partially DECOMPOSED organic matter on the SOIL.

Discussion

15680.	Question : Hydra reproduces asexually through:
Answer» FRAGMENTATION BUDDING BINARY fission Sporulation Answer :B

Discussion

15681.	Question : Increased Humidity in atmosphere decreases rate of:
Answer» transpiration photosynthesis glycolysis growth Answer :A

Discussion

15682.	Question : Hydra reproduces asexually by
Answer» Budding Binary FISSION Multiple fission VEGETATIVE Propagation Answer :A

Discussion

15683.	Question : Humans,as well as other animals ,have been dumping their wastes into the environment for thousands of years .what is the reason that this appears to besuch a problem today?
Answer» SOLUTION :The HUMAN population is increasingrapidly,produc-ing more wastes, and a SIGNIFICANT amountof thewastes are non-biodegradable

Discussion

15684.	Question : Humans reproduce by …........
Answer» SOLUTION :SEXUAL REPRODUCTION

Discussion

15685.	Question : Humans reproduce _______ (asexually/sexually)
Answer» SOLUTION :SEXUALLY

Discussion

15686.	Question : Humans produce ………… (asexually/sexually)
Answer» SOLUTION :SEXUALLY

Discussion

15687.	Question : Humans have acquired immune system that produces antibodies to neutralize pathogens. Still innate immune system is present at the time of birth because it
Answer» is very specific and uses different macrophages. produces memory cells for mounting FAST secondary response. has monocytes which PHAGOCYTOSE and destroy microbes provides PASSIVE immunity. Answer :C

Discussion

15688.	Question : Humans benefit from diversity of life. Give two examples.
Answer» Solution :Humans derive innumerable direct economic benefits from NATURE like. (a) Food (CEREALS, pulses, fruits) (B) Firewood (c) FIBRE (d) Construction material (e) Industrial products (tannins, LUBRICANTS, dyes, resins, perfumes) (f) Products of medicinal importance.

Discussion

15689.	Question : Humans are ………….. (oviparous, viviparous, ovoviviparous)
Answer» SOLUTION :VIVIPAROUS

Discussion

15690.	Question : Humans can increase the strength of both inspiration & expiration with the help of
Answer» INTERNAL INTERCOSTAL MUSCLES External intercostal muscles Muscles of diaphragm Additional muscles of abdomen Answer :D

Discussion

15691.	Question :Humans are____ (oviparous, viviparous, ovoviviparous)
Answer» SOLUTION :VIVIPAROUS

Discussion

15692.	Question : Human skin colour is controlled by several gene pairs. Let us assume here that there are just three gene pair on different chromosome and that for each paior there are two alles - an incompletely dominant one that codes for melanin deposition. If a very dark skinned person marries a very light skinned woman, what will be the chance that their offspring will have very dark skin
Answer» 0 `1//4` `5//8` SOLUTION :N//A

Discussion

15693.	Question : Skin colour in humans is an example of
Answer» intragenic interaction interallelic interaction quantitative inheritance pleiotropy Answer :C

Discussion

15694.	Question : Human protein alpha-1 antitrypsin used to treat________.
Answer» ANSWER :EMPHYSEMA

Discussion

15695.	Question : Human population shows:
Answer» J-shaped GROWTH curve Z-shaped growth curve S-shaped growth curve All of the above Answer :C

Discussion

15696.	Question : Human population growth is :
Answer» Lag Stationary Exponential Random Answer :C

Discussion

15697.	Question : "Human population grows in geometric ratio while food materials increase in arithmetic proportion." It is a statement from
Answer» Darwin Bateson Amartya Sen malthus. Solution :In 1798, Malthus, put FORWARD a theory of HUMNA POPULATION growth. It states that population grows geometrically, when uncheckedwhereas the means of its subsistence LIKE food grwos only ARITHMETICALLY.

Discussion

15698.	Question : Human placenta is chorioallantoic because
Answer» Chorion forms EMBRYONIC coelom Allantois forms blood vessels for placenta both chorion and allontois FORM primary germ layers Amnion forms blood vessels for placenta Answer :B

Discussion

15699.	Question : Human placenta consists of ……… only.
Answer» amnion yolk sac allantois chorion Answer :D

Discussion

15700.	Question : Human male reproductive system
Answer» SOLUTION :

Discussion

Explore topic-wise InterviewSolutions in .

Question : Hygiene.

Question : Hybrid vigour is also called______

Question : Hydroponics helps

Question : Huntington's disease is caused by

Question : Hydroponics is:

Question : Husky exocarop of walnut (jugland =s regia ) develops from the

Question : Hydroponics help for

Question : Hydroponics has been successfully employed for commercial production of

Question : Huntington's disease is due to a dominant autosomal gene located on

Question : Hydroponics has been successfully employed as technique for commercial production of all except –

Question : Huntington's chorea is

Question : Hybrophytes are characterises by :

Question : Huntigton's disease is

Question : Hydrophilytakesplacein _________.

Question : Hydrophily occurs in which plant?(A) Vallisnaria(B) Maize(C) Grasses(D) Yucca

Question : Hundred metresurroundingsof hospitalsand schoolsare consideredas silent zone justiy it .

Question : 'Hydrophily''

Question : Hunan eyeball consists of three layers and it encloses :

Question : Hydrogen joins oxygen at the end of

Question : Humus is degraded by some microbes and release of inorganic nutrients, occur by the process known as

Question : Hydrocolloids Carrageen" and "Algin" are obtained from__________ and ___________respectively

Question : Humulin is used to treat………………………

Question : Hydro reproduces asexually by Gemmulation.

Question : Humulin is used to treat ………. .

Question : Hydrilla is a

Question : Humulin is prouced in large scale for the specific purpose by

Question : Hydraulic skeleton helps in locomotion of:

Question : Humoral immune system is mediated by

Question : Humnification

Question : Hydra reproduces asexually through:

Question : Increased Humidity in atmosphere decreases rate of:

Question : Hydra reproduces asexually by

Question : Humans,as well as other animals ,have been dumping their wastes into the environment for thousands of years .what is the reason that this appears to besuch a problem today?

Question : Humans reproduce by …........

Question : Humans reproduce _______ (asexually/sexually)

Question : Humans produce ………… (asexually/sexually)

Question : Humans have acquired immune system that produces antibodies to neutralize pathogens. Still innate immune system is present at the time of birth because it

Question : Humans benefit from diversity of life. Give two examples.

Question : Humans are ………….. (oviparous, viviparous, ovoviviparous)

Question : Humans can increase the strength of both inspiration & expiration with the help of

Question :Humans are____ (oviparous, viviparous, ovoviviparous)

Question : Skin colour in humans is an example of

Question : Human protein alpha-1 antitrypsin used to treat________.

Question : Human population shows:

Question : Human population growth is :

Question : "Human population grows in geometric ratio while food materials increase in arithmetic proportion." It is a statement from

Question : Human placenta is chorioallantoic because

Question : Human placenta consists of ……… only.

Question : Human male reproductive system

Question : Hydrocolloids Carrageen" and "Algin" are obtained from and _respectively