24277 + Interview Questions in Biology in Class 12 Page 244 InterviewSolution

12151.	Question : Name one edible freshwater fish and one marine fish
Answer» SOLUTION :BLACK ANT, YELLOW WASP

Discussion

12152.	Question : Name one bacterial and viral disease of cattle
Answer» SOLUTION :ANTHRAX, COWPOX, MOET

Discussion

12153.	Question :Name one autosomal dominant and one autosomal recessive Mendelian disorder in human.
Answer» SOLUTION : AUTOSOMAL DOMINANT: Huntington.s chorea/polydactyly, Autosomal RECESSIVE: Phenylketonuria/albinism/thalassemia

Discussion

12154.	Question : Name on disease of mulbery silkworm caused by a protozoan:
Answer» PEBRINE Graseri Flacheri Muscardine Answer :A

Discussion

12155.	Question : Name of virus that causes AIDS.
Answer» ANSWER :HIV (HUMAN IMMUNODEFICIENCY VIRUS )

Discussion

12156.	Question : Name of the gene which encodes for the toxin called crystal protein in Bacillus thuringiensis is 'cry'. What are the different types of 'cry' gene and name the type of insects controlled by each type?
Answer» Solution :Cry TAC, Cry IIAL and Cry IAD Cry I Ac and Cry TAD CONTROL cotton boll WORMS Cry TAb controls CORN borer.

Discussion

12157.	Question : Name of Norman Borlang is associateed with:
Answer» GREEN revolution Yellow revolution White revolution Blue revoluiton Answer :A

Discussion

12158.	Question : Name of the drug used in cancer treatment produced by using biotechnology is:
Answer» HGH TSH Insulin Interferon Answer :D

Discussion

12159.	Question : Name non-medicated IUD.
Answer» ANSWER :Lippes LOOP

Discussion

12160.	Question : Name liver cells which are phagocytic in function.
Answer» ANSWER :KUPFFER CELLS

Discussion

12161.	Question : Nameimportantdefensemechanisms in plantsagainst herbivory.
Answer» SOLUTION :a.Modificationof leavesinto thorms b. DEVELOPMENTOF spinymargins on leaves c. Developmentof sharpsilicated EDGES on LEVES.

Discussion

12162.	Question : Name important defence mechanisms in plants against herbivory.
Answer» Solution :•Modification of leaves into thorns and development of spiny MARGINS on leaves. • Many PLANTS PRODUCE and store chemicals which MAKE herbivores sick. Example : Calotropis PRODUCES highly poisonous cardiac glycosides. • Some other chemical substances such as nicotine, quinine, opium etc. are produced by plants and provide defence against grazing animals.

Discussion

12163.	Question : Name important defence mechanisms in plants against herbivores.
Answer» SOLUTION :Morphological defence traits (i) Thorns, spines, rickles and bristles (ii) Stinging hair (III) Sticky glandular hair (iv) Hairy COVERING (v) Resemblance to dreaded animals (vi) Harbouring ants Chemical defence traits (i) Latex (ii) Alkaloids (iii) Tannins (iv) Bitter TASTES (v) Offensive smell (vi) Silica (VII) Poisonous cardiac glycosides.

Discussion

12164.	Question : Name human male and female sterilization producers.
Answer» SOLUTION :MALE - VASECTOMY FEMALE - TUBECTOMY

Discussion

12165.	Question : Name given to fossil hominid of Shivalik hills in India is
Answer» RAMAPITHECUS AUSTRALOPITHECUS Pithecanthropus Neanderthalensis SOLUTION :Ramapithecus

Discussion

12166.	Question :Name genes that control cotton bollworms.
Answer» SOLUTION :CRY AC, CRYLLAB

Discussion

12167.	Question : Name fungi used for the production of SCP.
Answer» SOLUTION :YEAST, FUSARIUM graminearum

Discussion

12168.	Question : Name four categories of drugs.
Answer» Solution :(i) SEDATIVE and tranquillizers (ii) Narcotics (III) Stimulants (IV) HALLUCINOGENS

Discussion

12169.	Question :Name first transgenic animal. For which gene was it genetically modified?
Answer» SOLUTION : MICE, GROWTH HORMONE

Discussion

12170.	Question : Name few Neo - Lamarckists
Answer» SOLUTION :COPE. Osborn, Packard and SPENCER

Discussion

12171.	Question : Name few industrial microbial product.
Answer» Solution :BEVERAGES , antibiotics , organic ACIDS amino acids , amino acids , vitamins biofuels ,single cell protein, enzymes , steroids , VACCINES PHARMACEUTICAL drugs.

Discussion

12172.	Question : Name few home - made microbial products.
Answer» SOLUTION :Yogurt , Paneer , CURD Idli BATTER , Bread dough.

Discussion

12173.	Question : Name few endangered species protected in Arignar Anna Zoological Park.
Answer» Solution :Royal Bengal Tiger, LION Tailed MACAQUE, Nilgiri LANGUR and GRAY Wolf.

Discussion

12174.	Question : Name few blue green algea (BGA)
Answer» SOLUTION :OSCILLATORIA , NOSTOC , ANABAENA , Tolypothrix

Discussion

12175.	Question :Name few abiotic factors that influence organisms in an environment
Answer» SOLUTION :Temperature, LIGHT, WATER, soil, HUMIDITY and altitude, etc.

Discussion

12176.	Question : Name different regions of Adrenal cortex.
Answer» Solution :ADRENAL cortex has following regions : OUTER zona glomerulosa, middle zona fasciculata and INNER zona reticularis.

Discussion

12177.	Question : Name bacterium that causes syphilis.
Answer» ANSWER :TREPONEMA pallidum

Discussion

12178.	Question : Name bacterium that causes gonorrhoea.
Answer» ANSWER :NEISSERIA GONORRHOEA

Discussion

12179.	Question : Name asexual reproduction structure in:a. Yeastb. Porifera
Answer» Solution :i. Hydra - Buds. II. CHLAMYDOMONAS - zoospores III. PENICILLIUM - Conidia.

Discussion

12180.	Question : Name any two volant adaptations.
Answer» Solution :SPINDLE shaped BODY with hollow PNEUMATIC bones and feathers to FACILITATE flying are two volant adaptations.

Discussion

12181.	Question : Name any two widely used cryoprotectants.
Answer» SOLUTION :(a) DIMETHYL sulphoxide (B) GLYCEROL

Discussion

12182.	Question : Name any two viruses whose genetic material is RNA.
Answer» Solution :a) Tobacco MOSAIC VIRUS (TMV) B) BACTERIOPHAGE `THETA`B

Discussion

12183.	Question : Name any two vertebrate body parts that are homologous to human forelimbs.
Answer» SOLUTION :FORELIMBS of FROG, FLIPPERS of WHALE

Discussion

12184.	Question : Name any two vectors that you know?
Answer» SOLUTION :COSMID , PLASMID , BACTERIOPHAGE and Phagemids.

Discussion

12185.	Question : Name any two species which have become extinct due to over exploitation.
Answer» SOLUTION :Steller.s SEA COW. PASSENGER PIGEON.

Discussion

12186.	Question : Name any two source organisms of agar. List any four areas in which agar has wide application
Answer» Solution :GELIDIUM, Gracilar: It is USED in making agar plates, JELLY, CULTURE media, DNA finger printing.

Discussion

12187.	Question : Name any two species of fungus, which are used in the production of the antibiotics.
Answer» SOLUTION : (1) PENICILIUM Notetum (2) Penicilium Kriogenum

Discussion

12188.	Question : Name any two species that are extinct due to human activities.
Answer» Solution :(a) Dodo of MAURITIUS (B) Stellers COW of RUSSIA.

Discussion

12189.	Question : Name any two sex chromosomal abnormalities.
Answer» SOLUTION :TURNER's SYNDROME and KLINEFELTER's syndrome.

Discussion

12190.	Question : Name any two positive interactions with an example for each.
Answer» SOLUTION :(a) MUTUALISM - E.g: Lichen(b) COMMENSALISM - E.g: ORCHIDS.

Discussion

12191.	Question : Name any two organisms which occupy more than one trophic level in an ecosystem.
Answer» SOLUTION :MAN and SPARROW ETC.

Discussion

12192.	Question : Name any two organisms which can occupy more than one trophic level in an ecosystem.
Answer» SOLUTION :Human beings and birds (SPARROWS) are SEEN at more than are tropic LEVELS in ecosystem.

Discussion

12193.	Question : Name any two methods used to introduce recombinant DNA into host cell.
Answer» Solution :(i) GENE gun METHOD, (II) MICROINJECTION needle.

Discussion

12194.	Question : Name any two industrially important enzymes.
Answer» Solution :Lipase-used in detergent FORMULATION to remove oily stain from the laundry. Pectinases and proteases-used as CLARIFYING AGENT in commercial fruit and VEGETABLE JUICES.

Discussion

12195.	Question : Name any two in - situ conservation methods .
Answer» SOLUTION :NATIONAL parks, SANCTUARIES , BIOSPHERE reserve , hotspots etc.

Discussion

12196.	Question : Name any two fungal species used as SCP.
Answer» SOLUTION :(1) Agaricus campestris (2) Saccharomyces cerevisiae

Discussion

12197.	Question : Givean an account on helminthic disease.
Answer» Solution :FUNGAL disease:CANDIDIASIS ,Athlete.s foot Helminthic disease:Ascariasis,FILARIASIS

Discussion

12198.	Question : Name any two food plants which have winter and spring varieties.
Answer» SOLUTION :WHEAT, BARLEY, RYE. (any TWO)

Discussion

12199.	Question : Name any two factors on which the type of pioneer species if plant develops insecondary succession.
Answer» SOLUTION :• CONDITION of SOIL. • AVAILABILITY of WATER.

Discussion

12200.	Question : Name any two enzymes produced by the structural genes of Lac-operon.
Answer» SOLUTION :PERMEASE and RNA POLYMERASE

Discussion

Explore topic-wise InterviewSolutions in .

Question : Name one edible freshwater fish and one marine fish

Question : Name one bacterial and viral disease of cattle

Question :Name one autosomal dominant and one autosomal recessive Mendelian disorder in human.

Question : Name on disease of mulbery silkworm caused by a protozoan:

Question : Name of virus that causes AIDS.

Question : Name of the gene which encodes for the toxin called crystal protein in Bacillus thuringiensis is 'cry'. What are the different types of 'cry' gene and name the type of insects controlled by each type?

Question : Name of Norman Borlang is associateed with:

Question : Name of the drug used in cancer treatment produced by using biotechnology is:

Question : Name non-medicated IUD.

Question : Name liver cells which are phagocytic in function.

Question : Nameimportantdefensemechanisms in plantsagainst herbivory.

Question : Name important defence mechanisms in plants against herbivory.

Question : Name important defence mechanisms in plants against herbivores.

Question : Name human male and female sterilization producers.

Question : Name given to fossil hominid of Shivalik hills in India is

Question :Name genes that control cotton bollworms.

Question : Name fungi used for the production of SCP.

Question : Name four categories of drugs.

Question :Name first transgenic animal. For which gene was it genetically modified?

Question : Name few Neo - Lamarckists

Question : Name few industrial microbial product.

Question : Name few home - made microbial products.

Question : Name few endangered species protected in Arignar Anna Zoological Park.

Question : Name few blue green algea (BGA)

Question :Name few abiotic factors that influence organisms in an environment

Question : Name different regions of Adrenal cortex.

Question : Name bacterium that causes syphilis.

Question : Name bacterium that causes gonorrhoea.

Question : Name asexual reproduction structure in:a. Yeastb. Porifera

Question : Name any two volant adaptations.

Question : Name any two widely used cryoprotectants.

Question : Name any two viruses whose genetic material is RNA.

Question : Name any two vertebrate body parts that are homologous to human forelimbs.

Question : Name any two vectors that you know?

Question : Name any two species which have become extinct due to over exploitation.

Question : Name any two source organisms of agar. List any four areas in which agar has wide application

Question : Name any two species of fungus, which are used in the production of the antibiotics.

Question : Name any two species that are extinct due to human activities.

Question : Name any two sex chromosomal abnormalities.

Question : Name any two positive interactions with an example for each.

Question : Name any two organisms which occupy more than one trophic level in an ecosystem.

Question : Name any two organisms which can occupy more than one trophic level in an ecosystem.

Question : Name any two methods used to introduce recombinant DNA into host cell.

Question : Name any two industrially important enzymes.

Question : Name any two in - situ conservation methods .

Question : Name any two fungal species used as SCP.

Question : Givean an account on helminthic disease.

Question : Name any two food plants which have winter and spring varieties.

Question : Name any two factors on which the type of pioneer species if plant develops insecondary succession.

Question : Name any two enzymes produced by the structural genes of Lac-operon.