24277 + Interview Questions in Biology in Class 12 Page 7 InterviewSolution

301.	Question : Which high yielding semi dwarf variety of rice was developed in International Rice Reasearch Institute, Philippines?
Answer» IR-8 Taichung Native -I Ratna Jaya Solution :Because apical meristme is FREE of VIRUSES so PROVIDES VIRUS free HEALTHY plants by tissue culture technique.

Discussion

302.	Question : Which honey bee secrete bee wax ?
Answer» ANSWER :WORKERS

Discussion

303.	Question : Which histone is absent in a nucleosome?
Answer» `H_1` `H_2` ` H_3 A ` `H_4` ANSWER :A

Discussion

304.	Question : Which high yielding semi dwarf variety of rice was developed at Taiwan?
Answer» TAICHUNG Native-I Ratna Jaya IR-8 ANSWER :A

Discussion

305.	Question : Which high -yielding semi dwarf variety of rice was developed in India?
Answer» Ratna IR-8 Taicung Native-I Kalyan sona Answer :A

Discussion

306.	Question : Which has no muscular wall ?
Answer» Capillary Arteriole Veins Artery Answer :A

Discussion

307.	Question : Which growth promoters are added in the liquid medium for suspension culture ?
Answer» AUXIN and Cytokinine Auxin and Gibberellin 2-4 D Gibberellin and Cytokinine Solution :2,4-D

Discussion

308.	Question : Which growth hormone is used to enhance dairy productivity?
Answer» SOLUTION :BOVINE GROWTH Hormone is used to ENHANCE dairy PRODUCTIVITY.

Discussion

309.	Question : Which group of viruses cause common cold ?
Answer» ANSWER :RHINOVIRUS

Discussion

310.	Question : Which group of the following contains the final excretory product?
Answer» ORNITHINE, cytosin, citrulline Allantois, HIPPURIC ACID, ornithinic acid Creatine, creatinine, citrulline Trimethyl aminoxide, citrulline, arginine Answer :B

Discussion

311.	Question : Which group of vertebrates comprises highest number of endangered species
Answer» Mammals Fishes Reptiles Birds Answer :B

Discussion

312.	Question : Which group of plant exhibit internal fertilization ?(A) Algae, fungi, bryophytes.(B) Fungi, bryophytes, pteridophytes(C) bryophytes, pteridophytes, gymnosperm(D) Bacteria, algae, fungi
Answer» ALGAE, fungi, brophytes. Fungi, bryophytes, pteridophytes bryophytes, pteridophytes, GYMNOSPERM BACTERIA, algae, fungi ANSWER :B

Discussion

313.	Question : Which group of organism occupies the third tropic level in an ecosystem?
Answer» a) PRIMARY consumers B) SECONDARY consumers c) Secondary CARNIVORES d) Omnivores Answer :B

Discussion

314.	Question : Which group of insects can be controlled by using delta - endotoxins of Bt - crops ?
Answer» SOLUTION :Lepidoptera , DIPTERA , Coleoptera and HYMENOPTERA.

Discussion

315.	Question : Which group of human becomes more inclined towards work ?
Answer» DEVELOPED HEALTHY Diseased Famous SOLUTION :Healthy

Discussion

316.	Question : Which groupof genes controltissuetypingbeforeorgan transplantation ?
Answer» Cry GENES MHC group of genes ADA genes NIF genes ANSWER :B

Discussion

317.	Question : Which group of animals exhibit pentaradial symmetry?
Answer» ANSWER :ECHINODERMATA,

Discussion

318.	Question : Which group includes green leaf microphyllous plants :-
Answer» Lycopsida Sphenopsida Psilotopsida Pteropsida Answer :A

Discussion

319.	Question : Which group lacks sexual reproduction ?
Answer» Chlorophyta Xanthophyta Rhodophyta Cyanophyta Answer :D

Discussion

320.	Question : Which green house gas is mainly responsible for global warming?
Answer» Solution :The GREEN house gas `CO_(2)` is MAINLY responsible for GLOBAL WARMING.

Discussion

321.	Question :Which goal is achieved by act of MTP ?
Answer» The BIRTH of ILLEGAL child can be stopped For mental health of raped mother To decrease mortality RATE OCCURRED due illegal ABORTION None of the above Answer :C

Discussion

322.	Question : Which greeen house gas relased from the paddy field ?
Answer» ANSWER :A

Discussion

323.	Question : Which glands responsible for the lubrication of penis at the time coitus
Answer» SEMINAL vesicles,PROSTATE and bulbour thral glands prostate and bulbourethral glands bulbourthral glands none of the above Answer :C

Discussion

324.	Question : Which glands are modified to form breasts?
Answer» Solution :Sweat GLANDS are modified to FORM BREASTS.

Discussion

325.	Question : Which gland secretes thymosin, thymin I and thymin II hormones ?
Answer» ANSWER :THYMUS

Discussion

326.	Question : Which gland is regarded asBand master of endocrine orchestra?
Answer» ANSWER :PITUITARY

Discussion

327.	Question : Which gland is regarded as the master gland in the body ?
Answer» ANSWER :Pituitary/Hypophysis

Discussion

328.	Question : Which gland is associated with lymphocytes and antibody?
Answer» Thyroid Adrenal THYMUS Ovary SOLUTION :Thymus

Discussion

329.	Question : Which gland is called emergency gland or glands of 3F(Fright, fight and flight) ?
Answer» ANSWER :ADRENAL GLAND

Discussion

330.	Question : Which gland is called 4S and 3F?
Answer» THYROID gland Parathyroid gland Adrenal gland Hypothalamus Answer :C

Discussion

331.	Question : Which gland in female is a counterpart of Cowper's gland in male?Bartholin's glandClitorisPerineal glandNone of these
Answer» BARTHOLIN's gland Clitoris Perineal gland None of these Answer :D

Discussion

332.	Question : Which gland decreases in size with increasing age
Answer» Thyroid Adrenal Thymus Pituitory Answer :C

Discussion

333.	Question : Which given statements are incorrect for bioreactors?
Answer» Larger biomass is produced in a batch CULTURE system w.r.l CONTINOUS culture in a bioreator The most commonly used bioreactors are stirred type Stirrer facilitates even mixing of oxygen and nutrients Bioreactor is a type of fermenter in which RAW MATERIALS are biologically CONVERTED into specific products Answer :A

Discussion

334.	Question : Which girdle has glenoid cavity ?
Answer» ANSWER :PECTORAL GIRDLE

Discussion

335.	Question : Which germ layers produce nervous system and kidneys?
Answer» SOLUTION :ECTODERM, MESODERM, RESPECTIVELY

Discussion

336.	Question : Which germ layer forms the skeleton and muscles?
Answer» SOLUTION :MESODERM

Discussion

337.	Question : Which genotype represents a true hybrid condition ?
Answer» TT rr TTRR TTRr ttrr SOLUTION :TtRr

Discussion

338.	Question : Which genotype ratio will appear by the trihybrid test cross in a completely linked plant :-
Answer» `1 : 1 : 1 : 1 : 1 : 1 : 1 : 1` `1 : 1 : 1 : 1` `1 : 1` `1 : 2 : 1` ANSWER :C

Discussion

339.	Question : Which germ layer forms CNS?
Answer» SOLUTION :ECTODERM

Discussion

340.	Question : Which genetically modified animals exist in maximum number?(A) Cow(B) Fish(C) Rat(D) Pig
Answer» Cow Fish RAT Pig Solution :Rat

Discussion

341.	Question : Which genetic disease is regarded as Royel disease ?
Answer» Red-Green COLOUR blindness Turner's syndrome Klinefelter's syndrome Haemophilia or BLEEDER's disease Answer :D

Discussion

342.	Question : Which genetic disease is characterized by the reduced synthesis of mutant hemoglobin ?
Answer» SOLUTION :SICKLE CELL ANAEMIA.

Discussion

343.	Question : Which genes function for negative regulation ?
Answer» REGULATORY Repressor GENE Promoter Structural gene Solution :Regulatory

Discussion

344.	Question : Which genetic codon has dual functions?
Answer» UUU AUG UGG Both (1) and (3) ANSWER :B

Discussion

345.	Question : Which genetic disease is characterized by the reduced synthesis of haemoglobin?
Answer» SOLUTION :THALASSEMIA.

Discussion

346.	Question : Which genes encode the protein to control bollworms infection in cotton plants ?
Answer» CRY II Ab Cry I Ac BOTH A AND B Ampere Answer :C

Discussion

347.	Question : Which gene is present on part of DNA in Lac Operon ?
Answer» STRUCTURAL GENE REGULATOR gene PROMOTOR gene All of these SOLUTION :All of these

Discussion

348.	Question : Which generally engineered microbe was used for nitrogen fixation by incorporating nif gene in cereals
Answer» RHIZOBIUM meliloti Bacillus thuringiensis Pseudomonas putidda Pseudomonas flouorescence Answer :A

Discussion

349.	Question : Which Greek philosopher said 'Life has originated and evolved from sea water' and regarded as father of evolutionary ideas?
Answer» ANSWER :Empedocle

Discussion

350.	Question : Which gene controls transcription of chain A and chain B required for humalin synthesis in E.coli ?
Answer» `BETA`-lactamase `beta`-galactosidase Poly galacturonase Chitinase Answer :C

Discussion

Explore topic-wise InterviewSolutions in .

Question : Which high yielding semi dwarf variety of rice was developed in International Rice Reasearch Institute, Philippines?

Question : Which honey bee secrete bee wax ?

Question : Which histone is absent in a nucleosome?

Question : Which high yielding semi dwarf variety of rice was developed at Taiwan?

Question : Which high -yielding semi dwarf variety of rice was developed in India?

Question : Which has no muscular wall ?

Question : Which growth promoters are added in the liquid medium for suspension culture ?

Question : Which growth hormone is used to enhance dairy productivity?

Question : Which group of viruses cause common cold ?

Question : Which group of the following contains the final excretory product?

Question : Which group of vertebrates comprises highest number of endangered species

Question : Which group of plant exhibit internal fertilization ?(A) Algae, fungi, bryophytes.(B) Fungi, bryophytes, pteridophytes(C) bryophytes, pteridophytes, gymnosperm(D) Bacteria, algae, fungi

Question : Which group of organism occupies the third tropic level in an ecosystem?

Question : Which group of insects can be controlled by using delta - endotoxins of Bt - crops ?

Question : Which group of human becomes more inclined towards work ?

Question : Which groupof genes controltissuetypingbeforeorgan transplantation ?

Question : Which group of animals exhibit pentaradial symmetry?

Question : Which group includes green leaf microphyllous plants :-

Question : Which group lacks sexual reproduction ?

Question : Which green house gas is mainly responsible for global warming?

Question :Which goal is achieved by act of MTP ?

Question : Which greeen house gas relased from the paddy field ?

Question : Which glands responsible for the lubrication of penis at the time coitus

Question : Which glands are modified to form breasts?

Question : Which gland secretes thymosin, thymin I and thymin II hormones ?

Question : Which gland is regarded asBand master of endocrine orchestra?

Question : Which gland is regarded as the master gland in the body ?

Question : Which gland is associated with lymphocytes and antibody?

Question : Which gland is called emergency gland or glands of 3F(Fright, fight and flight) ?

Question : Which gland is called 4S and 3F?

Question : Which gland in female is a counterpart of Cowper's gland in male?Bartholin's glandClitorisPerineal glandNone of these

Question : Which gland decreases in size with increasing age

Question : Which given statements are incorrect for bioreactors?

Question : Which girdle has glenoid cavity ?

Question : Which germ layers produce nervous system and kidneys?

Question : Which germ layer forms the skeleton and muscles?

Question : Which genotype represents a true hybrid condition ?

Question : Which genotype ratio will appear by the trihybrid test cross in a completely linked plant :-

Question : Which germ layer forms CNS?

Question : Which genetically modified animals exist in maximum number?(A) Cow(B) Fish(C) Rat(D) Pig

Question : Which genetic disease is regarded as Royel disease ?

Question : Which genetic disease is characterized by the reduced synthesis of mutant hemoglobin ?

Question : Which genes function for negative regulation ?

Question : Which genetic codon has dual functions?

Question : Which genetic disease is characterized by the reduced synthesis of haemoglobin?

Question : Which genes encode the protein to control bollworms infection in cotton plants ?

Question : Which gene is present on part of DNA in Lac Operon ?

Question : Which generally engineered microbe was used for nitrogen fixation by incorporating nif gene in cereals

Question : Which Greek philosopher said 'Life has originated and evolved from sea water' and regarded as father of evolutionary ideas?

Question : Which gene controls transcription of chain A and chain B required for humalin synthesis in E.coli ?