24277 + Interview Questions in Biology in Class 12 Page 292 InterviewSolution

14551.	Question : Inheritable mutations can be studied by
Answer» generating a PEDIGREE of a family PURELINE breeding Punnett SQUARE Using chemical MUTAGENS Answer :B

Discussion

14552.	Question : Lagoon is
Answer» Full moon Sea BREAKING into land and separated by SAND dunes Spot in DESERT with presence of water Horse-shoe shaped CORAL reef. Answer :D

Discussion

14553.	Question : Inherent capacity of a cell to regenerate the whole plant is called
Answer» PHYLOGENY Totality Totipotency Proliferation Answer :C

Discussion

14554.	Question :Ladybird is useful to get rid of what?(A) Aphid(B) Mosquito(C) Bollworm(D) Given all
Answer» APHID Mosquito Ballworm Given all Solution :Aphid

Discussion

14555.	Question :Inheritance of a acquired characters comes under
Answer» LAMARCKISM DARWINISM Neo-Lamarckism Neo-Darwinism Solution :Lamarckism

Discussion

14556.	Question : Lady bird/beetle is a/an:
Answer» Bird Insect Reptile Worm Answer :B

Discussion

14557.	Question : Inhabitants close to a very busy airports are likely to experience health hazards.
Answer» Solution :Sound level of jet aeroplanes usually exceeds 160 DB. The risk of CARDIOVASCULAR DISEASES increases. Loud noise can lead to short-term INCEASE in BP. It also disturbed the night sleep.

Discussion

14558.	Question : lady bird beetle and dragon flies are useful to get rid of:
Answer» BUTTERFLY caterpillar Aphids Mosquitoes BOTH (B) AND (C) ANSWER :D

Discussion

14559.	Question : 'Inguinal hernia' means
Answer» TESTIS ATTACHED to intestine intestine DESCEND in to scrotum accumulation of WATER in scrotum Infection to testis Answer :B

Discussion

14560.	Question : Lactose in lac operon acts as :
Answer» Repressor Inducer Co-repressor Co-inducer Answer :B

Discussion

14561.	Question : Ingestion of marijuana leads to illusion altering thought, feelings and perceptions . Marijuana is a :
Answer» SEDATIVE Stimulant Narcotics Hallucinogen Answer :D

Discussion

14562.	Question : Lacunae are present in
Answer» CERTAIN types of epithelium all CONNECTIVE TISSUES all connective tissues with solid MATRIX bone only Answer :C

Discussion

14563.	Question :Lactose ( lac ) operon is regulated by :
Answer» LAC REPRESSOR only Lac repressor and CAP - CGMP complex Lac repressor and CAP - CAMP complex CAP - cAMP and CAP - cGMP complex Answer :D

Discussion

14564.	Question : Infundibuliform corolla is
Answer» FUNNEL SHAPED STAR shaped bealk shaped URN shaped ANSWER :A

Discussion

14565.	Question : Lactose is termed as inducer in lac operon. Give reason.
Answer» SOLUTION :LACTOSE ACTS as an inducer for LAC operon since it REGULATES the switching on and off of the operon.

Discussion

14566.	Question : Inforescence of which one of the following ets completlely develop into composite fruits ?
Answer» spike , corymb , pypanthodium umbel catkin spadi spike FEMALE catkinn phypanthodium female catkin corymb spike ANSWER :C

Discussion

14567.	Question :Lactobacillus produces........(A) Butyric acid(B) Lactic Acid(C) Acetic acid(D) Carbonic acid
Answer» Butaric ACID LACTIC Acid Acetic acid CARBONIC acid Solution : Lactic Acid

Discussion

14568.	Question : infloresecence consisting of sessile bisexual flowers arranged acropetally on an elongatedaxis is
Answer» spadix catkin Raceme spike Answer :d

Discussion

14569.	Question :Lactic acid is excreted by
Answer» SEBACEOUS GLANDS sudoriferous glands LIVER kidneys Answer :B

Discussion

14570.	Question : Influenza is caused by :
Answer» Virus Fungus Lichen Bacterium Answer :A

Discussion

14571.	Question : Lactic acid is formed by the process of:
Answer» Fermentation Glycolysis HMP pathways None of them Answer :A

Discussion

14572.	Question : Inflorescence with thick fleshy axis and large coloured bract is :-
Answer» Spathe Spadix Spikelet Hypanthodium Answer :B

Discussion

14573.	Question : Lactic acid Bacteria (LAB) is commonly used in the conversion of milk into curd. Mention any two other functions of LAB that are useful to humans.
Answer» Solution :(i) LAB in human intestine synthesizes Vitamin `B_(12)`, (II) LAB in human STOMACH checks the GROWTH of harmful microbes.

Discussion

14574.	Question : inflorescence3 of cauliflower is found in
Answer» SOLANUM sesbania trifolium bracssica Answer :a

Discussion

14575.	Question : Lactic acid bacteria help in making curd. What are the other benefits of Lactic acid bacteria?
Answer» Solution :INCREASING vitamin `B_12`, Checks disease causing MICROBES in our STOMACH

Discussion

14576.	Question : inflorescence is meant for
Answer» bearing of FLOWERS protection of DELICATE floral parts Ensuring CROSS pollination PROPRE dispersal of seeds. Answer :c

Discussion

14577.	Question : Lacteals take part in:
Answer» DIGESTION of milk Absorption of fat Digestion of LACTIC acid None of the above Answer :B

Discussion

14578.	Question : Inflorescence is rich in
Answer» Raceme Spadix Spikelet Capitulum Answer :C

Discussion

14579.	Question : Lacteals are associated with the absorption of:
Answer» Fat Amino acids Glucose All of these Answer :A

Discussion

14580.	Question : Inflammatory response in allergy is caused by
Answer» Histamines Antigens Prothrombin Antibodies Answer :A

Discussion

14581.	Question :Lactational amenorrhoea - Comment.
Answer» Solution :Menstrual cycles resume as early as 6 to 8 WEEKS from parturition. However, the reappearance of NORMAL ovarian cycles MAY be delayed for six months during breastfeeding. This delay in ovarian cycles is called LACTATIONAL amenorrhoea. It serves as a natural, but an UNRELIABLE form of birth control

Discussion

14582.	Question : Inflammation of joint due to accumulation of uric acid crystals is called –
Answer» Osteoporasis Osteo arthritis Gout None Answer :C

Discussion

14583.	Question : Lactational amenorrhea means :
Answer» Corpus LUTEUM degenerates Begins of mensturations Absence of MENSTURATION during intense LACTATION Absence of Lactation Answer :C

Discussion

14584.	Question : Inflammation of cornea due to high dose of UV is called :
Answer» THROAT infection Color BLINDNESS SNOW blindness Spondolitis ANSWER :C

Discussion

14585.	Question : Lactational Amenorrhea is a method of contraception. Justify. What is the maximum effectiveness of this method in terms of period/duration?
Answer» Solution :(a) Ovulation and menstrual CYCLE do not occur during the period of internse lactation following parturition. THEREFORE, as the mother breast feeds, CHANCES of conception are nil. (b) It ISS effective ONLU upto a maximum perod of six months following parturition.

Discussion

14586.	Question : Inflammation of cornea due to high doseof UV-Bradiation is called.
Answer» SOLUTION :SNOW BLINDNESS

Discussion

14587.	Question :Lack of relaxation between successive stimuli in sustained muscle contraction is known as
Answer» spasm fatigue tetanus tonus ANSWER :C

Discussion

14588.	Question : Inflammation is related to :-
Answer» IgE Histamin Protective MECHANISM in our body All the above Answer :D

Discussion

14589.	Question : Lack of pigmentation in skin, hair and iris are thecharacteristics features of
Answer» ALKAPTONURIA Albinism Tray-Sach's disease Alzheimer's disease Answer :B

Discussion

14590.	Question : Infertility cases may occur due to inability of the male partner to inseminate the female or due to very low sperm counts in the ejaculates. Which methods can be used to correct this?
Answer» SOLUTION :ARTIFICIAL INSEMINATION, Intra-uterine insemination

Discussion

14591.	Question : Inferior ovary is found in :-
Answer» RAY FLORETS of sunflower Mustard China rose Rose Answer :A

Discussion

14592.	Question : Inferior colliculus serve as visual reflex centres.
Answer» ANSWER :Superior colliculi SERVE as VISUAL REFLEX CENTRES.

Discussion

14593.	Question : Lack of Independent Assortment of two genes A and B in fruit fly Drosophila is due to
Answer» Repulsion Recombination Linkage Crossing over Answer :C

Discussion

14594.	Question : In…..female flowers remais submerged in water and the pollen grains are released inside the water(A) vallisneria(B) marine grasses(C) hydrilla(D) viola
Answer» vallisneria marine grasses hydrilla viola Answer :B

Discussion

14595.	Question : Lac Z gene codes for ……………….
Answer» (a) PERMEASE (b) TRANSACETYLASE (C) `beta`-GALACTOSIDASE (d) AMINOACYL transferase Solution :`beta`-galactosidase

Discussion

14596.	Question : Infective stage of Plasmodium for human is
Answer» Merozoite Sporozoite Microgamelocyte Sporocyst Answer :B

Discussion

14597.	Question : Infectious disease are carried by which type of organisms?
Answer» Virus Bacteria Fungi All of the above Solution :All of the above

Discussion

14598.	Question : Lac operon model was proposed by …………………..
Answer» SOLUTION :JACOB and MONOD

Discussion

14599.	Question : Infective stage of Plasmodium after entering in human blood first migrate to
Answer» Kidney Heart Liver R.B.C. Answer :C

Discussion

14600.	Question : Lac operon 'inducer lactose' serves as an anzyme substrate for anzyme
Answer» Transacetylase Permease `beta`-galactosidase Endonuclease Solution :The z gene codes for beta-galactosidase (`beta`-gal), which is primarily RESPONSIBLE for the hydrolysis of the DISACCHARIDE, lactose into its monomeric UNITS, GALACTOSE and GLUCOSE.

Discussion

Explore topic-wise InterviewSolutions in .

Question : Inheritable mutations can be studied by

Question : Lagoon is

Question : Inherent capacity of a cell to regenerate the whole plant is called

Question :Ladybird is useful to get rid of what?(A) Aphid(B) Mosquito(C) Bollworm(D) Given all

Question :Inheritance of a acquired characters comes under

Question : Lady bird/beetle is a/an:

Question : Inhabitants close to a very busy airports are likely to experience health hazards.

Question : lady bird beetle and dragon flies are useful to get rid of:

Question : 'Inguinal hernia' means

Question : Lactose in lac operon acts as :

Question : Ingestion of marijuana leads to illusion altering thought, feelings and perceptions . Marijuana is a :

Question : Lacunae are present in

Question :Lactose ( lac ) operon is regulated by :

Question : Infundibuliform corolla is

Question : Lactose is termed as inducer in lac operon. Give reason.

Question : Inforescence of which one of the following ets completlely develop into composite fruits ?

Question :Lactobacillus produces........(A) Butyric acid(B) Lactic Acid(C) Acetic acid(D) Carbonic acid

Question : infloresecence consisting of sessile bisexual flowers arranged acropetally on an elongatedaxis is

Question :Lactic acid is excreted by

Question : Influenza is caused by :

Question : Lactic acid is formed by the process of:

Question : Inflorescence with thick fleshy axis and large coloured bract is :-

Question : Lactic acid Bacteria (LAB) is commonly used in the conversion of milk into curd. Mention any two other functions of LAB that are useful to humans.

Question : inflorescence3 of cauliflower is found in

Question : Lactic acid bacteria help in making curd. What are the other benefits of Lactic acid bacteria?

Question : inflorescence is meant for

Question : Lacteals take part in:

Question : Inflorescence is rich in

Question : Lacteals are associated with the absorption of:

Question : Inflammatory response in allergy is caused by

Question :Lactational amenorrhoea - Comment.

Question : Inflammation of joint due to accumulation of uric acid crystals is called –

Question : Lactational amenorrhea means :

Question : Inflammation of cornea due to high dose of UV is called :

Question : Lactational Amenorrhea is a method of contraception. Justify. What is the maximum effectiveness of this method in terms of period/duration?

Question : Inflammation of cornea due to high doseof UV-Bradiation is called.

Question :Lack of relaxation between successive stimuli in sustained muscle contraction is known as

Question : Inflammation is related to :-

Question : Lack of pigmentation in skin, hair and iris are thecharacteristics features of

Question : Infertility cases may occur due to inability of the male partner to inseminate the female or due to very low sperm counts in the ejaculates. Which methods can be used to correct this?

Question : Inferior ovary is found in :-

Question : Inferior colliculus serve as visual reflex centres.

Question : Lack of Independent Assortment of two genes A and B in fruit fly Drosophila is due to

Question : In…..female flowers remais submerged in water and the pollen grains are released inside the water(A) vallisneria(B) marine grasses(C) hydrilla(D) viola

Question : Lac Z gene codes for ……………….

Question : Infective stage of Plasmodium for human is

Question : Infectious disease are carried by which type of organisms?

Question : Lac operon model was proposed by …………………..

Question : Infective stage of Plasmodium after entering in human blood first migrate to

Question : Lac operon 'inducer lactose' serves as an anzyme substrate for anzyme