24277 + Interview Questions in Biology in Class 12 Page 14 InterviewSolution

651.	Question : Which animal and phylum is represented in the given figure?
Answer» Ascidia - Hemichordata Ascidia - Chordata Ascidia - Tunicata Ascidia - Urochordata Answer :B

Discussion

652.	Question : Which ancensters are come after evolution of primates '?
Answer» Gibbon Lemur CHIMPANZEE All of above Solution :All of above

Discussion

653.	Question : Which amongst the following can be considered as a part of ART (anti-retorviral therapy) ?
Answer» PROCAINE Novacaine Zodovudine COLCHICINE ANSWER :C

Discussion

654.	Question : Which amongst the following are the commonly abused depressant drugs?
Answer» COCA alkaloids Opioids Cannabinoids All of these Answer :B

Discussion

655.	Question : Which among the given interactions shows commensalism?
Answer» CLOWN FISH and SEA anemone Ophrys and bumblebees Cuckoo and crow FIG and fig WASP

Discussion

656.	Question : Which among the given enzymes is not composed of RNA?
Answer» RIBONUCLEASE P Snurp RNA polymerase Peptidyl tranferase Answer :A

Discussion

657.	Question : Which among the following match pairs is correct
Answer» jaulator MECHANISM - papver parahute mechanism -MUSTARD cencser mechanisam - sonchus PISTON mechanism - ecballium elaterium ANSWER :D

Discussion

658.	Question : Which among the following plants is related with the issues of biopiracy?
Answer» BT COTTON BASMATI Rice Atlas 66 Bt Brinjal Answer :B

Discussion

659.	Question : Which among the following plant has diploid endosperm?
Answer» BETAL nut Oenothera Date palm Phoenix Answer :B

Discussion

660.	Question : Which among the following is used for making Roquefort cheese ?
Answer» Propionibacterium sharmanii LAB SACCHAROMYCES cerevisiae `""` d . NONE of these None of these ANSWER :D

Discussion

661.	Question : Which among the following is the primary function of mimicry prevalent in some animals ?
Answer» Warming Concealment Allurement Aggression Answer :B

Discussion

662.	Question : Which among the following is the most bundant Green-House-Gas (GHG) in the earth's atmosphere?
Answer» CARBON DIOXIDE WATER Vapour Sulphur Dioxide Tropospheric Ozone Solution :Carbon dioxide

Discussion

663.	Question : Which among the following is not associated with sewage treatment plant?
Answer» BIOCHEMICAL OXYGEN Demand Formation of flocs Activated sludge Treatment through scrubber Answer :D

Discussion

664.	Question : Which among the following is not an example of secondary structure of protein?
Answer» KERATIN PROTEIN of hair Myoglobin protein in muscles Fibroin protein of silk Collagen helix Answer :B

Discussion

665.	Question : Which among the followingis not a true fruit ?
Answer» Apple DATE Grape Plum Solution :Apple isnot a true fruit. A fruit is saidto be falsewhen itdevelops from the ovaryalong withadjoiningaccessoryfrom the ovaryalong withadjoiningaccessory floral parts like sepals, petals,THALAMUS etc. Example, apple, FIG etc. A true fruit is that fruitthat develops from ovary partof the flower. Example,mango,maize etc.

Discussion

666.	Question : Which among the following is applicable to tapetum?(A) Protective layer(B) Nourishing layer(C) Vestigial part(D) None of the above
Answer» PROTECTIVE layer Nourishing layer Vestigial part None of the above Answer :B

Discussion

667.	Question : Which among the following is an alternate term for decomposers.
Answer» Autotrophs Saprotrophs Heterotrophs Herbivores Answer :B

Discussion

668.	Question : Which among the following genotype of female is bald?
Answer» BB Bb bb None of these Answer :A

Discussion

669.	Question : Which among the following has 23 chromosomes?
Answer» SPERMATOGONIA Zygote Secondary oocyte Oogonia Solution :There AR 23 chromosomes in secondary oocyte. In ovary, during the PROCESS of oogenesis, it is produced by meiotic division of PRIMARY oocyte. Oogenesis occurs in fetal ovary in pre embryonic stage of female and number of oogonia are decided before the birth of female child. No more oogonia are forme and added after birth. Spermatogonia are immature male germ cells. They produce spermatozoa. Each spermatogonium is diploid (2n) and has the 46 chromosomes. During the development of FOETUS some cells of germinal epithelium of ovary undergo meiotic division and produce gametes cells known as oogonia. Oogonia are diploid (2n) and possesses 46 chromosome.

Discussion

670.	Question : Which among the following equation is related with net primary productivity?
Answer» GPP+R = NPP NPP+GPP = R GPP - R = NPP R+R = GPP Answer :C

Discussion

671.	Question : Which among the followingenzymesprotect erythrocyte membrane during oxidant stress?
Answer» Glucose-6-phosphate dehydrogenase Cycloxygenase Ketoglutarate Oxidase Answer :A

Discussion

672.	Question : Which among the following category is most threatened ?
Answer» CRITICALLY ENDANGERED Endangered VULNERABLE Extinct Answer :A

Discussion

673.	Question : Which among the following belongs to ex-situ conservation?
Answer» WILDLIFE sanctuaries Biosphere reserves Zoological parks National parks Answer :C

Discussion

674.	Question : Which among the following awards instituted by the Govermment of India for individuals or communities from rural areas that have shown extraordinary courage and dedication in protecting Wildlife?
Answer» INDIRA GANDHI Paryavaran Puraskar Medini Puraskar Yojana Pitambar Pant National Award Solution :AMRITA DEVI BISHNOI Award

Discussion

675.	Question :Which among the following are the smallest living cells known, without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen ?
Answer» PSEUDOMONAS MYCOPLASMA NOSTOC Bacillus Answer :C

Discussion

676.	Question : Which among the following are pollinated by bat ?
Answer» SALVIA Ophrys Kigellia Brassica Answer :C

Discussion

677.	Question : Which among the following animal is not a continuous breeder?
Answer» a) Hen b) Rabbit c) HONEY bees d) FROGS Solution :Frogs

Discussion

678.	Question : Which among the following always decreases in a food chain across tropic levels?
Answer» Number Accumulated chemicals ENERGY Force SOLUTION :Energy

Discussion

679.	Question : Which amino acidis specified by start codon AUG?
Answer» Solution :The AMINO ACID f-methionine is specified by START condon AUG.

Discussion

680.	Question : Which amino acid is having three genetic codes ?
Answer» LEU Ileu PHE GLY SOLUTION :Ileu

Discussion

681.	Question : Which alien species introduced for aquaculture purposes ?
Answer» Eicchornia Gandhari Safed MUSLI CLARIAS GARIEPINUS Solution :Clarias gariepinus

Discussion

682.	Question : Which amino acid determines by four genetic codes ?
Answer» Leucine (Leu) PROLINE (Pro) SERINE (Ser) TYROSINE (Tyr) SOLUTION :Proline (Pro)

Discussion

683.	Question : Which algae produce adventitious branches for reproduction ?(A) Dictyota(B) Fucus(C) Protosiphon(D) Both (A) and (B)
Answer» DICTYOTA FUCUS Protosiphon Both (A) and (B) ANSWER :D

Discussion

684.	Question : Which algae is present in coralloid root ?
Answer» ANSWER :ANABAENA

Discussion

685.	Question : Which algae best explains the evolution of sexual reproduction ?
Answer» GREEN ALGAE RED algae BROWN algae B.G.Algae ANSWER :A

Discussion

686.	Question : Which age duration of a person is known as adolescence ?
Answer» 12-18 YEARS 12-17 years 18-20 years 12-16 years Solution :12-18 years

Discussion

687.	Question : Which aircraft were used in Air strike in Balakot ?
Answer» ANSWER :MIRAGE 2000

Discussion

688.	Question : Which acts as a vector to transfer a piece of DNA ?
Answer» ANSWER :A::D

Discussion

689.	Question : Which act was formulated in the year 1986A)Insecticide ACTB)The water ACTC)The Air ACTD)The Environment ACT
Answer» INSECTICIDE ACT The WATER ACT The AIR ACT The ENVIRONMENT ACT Answer :C

Discussion

690.	Question : Which Act was formulated in the year 1986?
Answer» The Insecticide ACT TheWater (Prevention and CONTROL of Pollution ) Act The Air (Prevention and Control of Pollution )Act The ENVIRONMENT (Protection) Act

Discussion

691.	Question :Which acid is obtained from the fungus Aspergillus niger?
Answer» ACETIC ACID CITRIC acid Butyric acid LACTIC acid SOLUTION : Citric acid

Discussion

692.	Question : Which accessory genital gland occurs only in mammalian male?
Answer» PROSTRATE gland Perineal gland Cowper's gland Bartholin gland Answer :C

Discussion

693.	Question : Which accessory genital gland occurs only in male mammal ?
Answer» BARTHOLIN's gland PERINEAL gland PROSTATE gland All of the above Answer :C

Discussion

694.	Question : Which abiotic factor has role in setting or resetting the biological clocks?
Answer» LIGHT PRESSURE GRAVITY Soil Answer :A

Discussion

695.	Question : Whether root stock is root or stem ?
Answer» ANSWER :STEM

Discussion

696.	Question : Whether the haemophilic gene is dominant or recessive ?
Answer» ANSWER :RECESSIVE

Discussion

697.	Question : Whether PCR can be done for RNA molecules? Yes or No? Explain.
Answer» Solution :The PCR technique can ALSO be used for amplifications of RNA in which case it is refered to as REVERSE transcription PCR (RT-PCR). In this process the RNA molecules (mRNA) must converted to complementary DNA by the enzyme reverse transcriptase. The CDNA then serves as the TEMPLATE for PCR.

Discussion

698.	Question : Whether a woman has the genethat generates beard in man ?
Answer» ANSWER :YES

Discussion

699.	Question : Where were the signals of first living modern man appeared
Answer» Caspian SEA MEDITERRANEAN sea Arabian sea Both (a) and (B) Answer :D

Discussion

700.	Question : Where was life originated?
Answer» On LAND In air In ocean On mountain Answer :C

Discussion

Explore topic-wise InterviewSolutions in .

Question : Which animal and phylum is represented in the given figure?

Question : Which ancensters are come after evolution of primates '?

Question : Which amongst the following can be considered as a part of ART (anti-retorviral therapy) ?

Question : Which amongst the following are the commonly abused depressant drugs?

Question : Which among the given interactions shows commensalism?

Question : Which among the given enzymes is not composed of RNA?

Question : Which among the following match pairs is correct

Question : Which among the following plants is related with the issues of biopiracy?

Question : Which among the following plant has diploid endosperm?

Question : Which among the following is used for making Roquefort cheese ?

Question : Which among the following is the primary function of mimicry prevalent in some animals ?

Question : Which among the following is the most bundant Green-House-Gas (GHG) in the earth's atmosphere?

Question : Which among the following is not associated with sewage treatment plant?

Question : Which among the following is not an example of secondary structure of protein?

Question : Which among the followingis not a true fruit ?

Question : Which among the following is applicable to tapetum?(A) Protective layer(B) Nourishing layer(C) Vestigial part(D) None of the above

Question : Which among the following is an alternate term for decomposers.

Question : Which among the following genotype of female is bald?

Question : Which among the following has 23 chromosomes?

Question : Which among the following equation is related with net primary productivity?

Question : Which among the followingenzymesprotect erythrocyte membrane during oxidant stress?

Question : Which among the following category is most threatened ?

Question : Which among the following belongs to ex-situ conservation?

Question : Which among the following awards instituted by the Govermment of India for individuals or communities from rural areas that have shown extraordinary courage and dedication in protecting Wildlife?

Question :Which among the following are the smallest living cells known, without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen ?

Question : Which among the following are pollinated by bat ?

Question : Which among the following animal is not a continuous breeder?

Question : Which among the following always decreases in a food chain across tropic levels?

Question : Which amino acidis specified by start codon AUG?

Question : Which amino acid is having three genetic codes ?

Question : Which alien species introduced for aquaculture purposes ?

Question : Which amino acid determines by four genetic codes ?

Question : Which algae produce adventitious branches for reproduction ?(A) Dictyota(B) Fucus(C) Protosiphon(D) Both (A) and (B)

Question : Which algae is present in coralloid root ?

Question : Which algae best explains the evolution of sexual reproduction ?

Question : Which age duration of a person is known as adolescence ?

Question : Which aircraft were used in Air strike in Balakot ?

Question : Which acts as a vector to transfer a piece of DNA ?

Question : Which act was formulated in the year 1986A)Insecticide ACTB)The water ACTC)The Air ACTD)The Environment ACT

Question : Which Act was formulated in the year 1986?

Question :Which acid is obtained from the fungus Aspergillus niger?

Question : Which accessory genital gland occurs only in mammalian male?

Question : Which accessory genital gland occurs only in male mammal ?

Question : Which abiotic factor has role in setting or resetting the biological clocks?

Question : Whether root stock is root or stem ?

Question : Whether the haemophilic gene is dominant or recessive ?

Question : Whether PCR can be done for RNA molecules? Yes or No? Explain.

Question : Whether a woman has the genethat generates beard in man ?

Question : Where were the signals of first living modern man appeared

Question : Where was life originated?