24277 + Interview Questions in Biology in Class 12 Page 197 InterviewSolution

9801.	Question : Proximal convoluted tuble and Distal convoluted tuble.
Answer» SOLUTION :

Discussion

9802.	Question : Provides nutrition for sperm
Answer» SEMINAL VESICLE Bulbo urethral gland Prostate gland NONE of these Answer :A

Discussion

9803.	Question : Provide an instance where the population size of species can be estimated indirectly without actually in natural parks is based on pugmarks.
Answer» SOLUTION :TIGER population in NATURAL PARKS is based on pugmarks.

Discussion

9804.	Question : Provide any four intergenic gene interactions.
Answer» Solution :(a) Incomplete DOMINANCE (B) Codominance (c) MULTIPLE alleles (d) PLEIOTROPIC GENES are common examples for interagenic interaction.

Discussion

9805.	Question : Protrusiblestructure presentoverthe scolexof tapeworm is
Answer» Rostellum SUCKER PROGLOTTIDS Auricle ANSWER :c

Discussion

9806.	Question : Provide an example for each of the following agricultural components. (i) Bio pesticide (ii) Green manure crop (iii) bio-Fertilizer
Answer» Answer :(i) BIO pesticide - E.g. Trichoderma SPECIES (ii) Green manure - E.g. CROTALARIA juncea. (III) Bio fertilizer - E.g. Azolla

Discussion

9807.	Question : Write about the process of fermentation
Answer» Solution :a. Depending upon the the type of product , BIOREACTOR is selected . b. A suitable substrate in liquid media is added at a specific temperature , PH and then diluted. c.The ORGANISM (MICROBE , animal/plant/plant cell, sub - CELLULAR organelle or enzyme ) is added to it. d. Then it is incubated at specific temperature for the specified time. e. The incubation may either be aerobic or anaerobic. f. Withdrawal of product using downstream processing methods.

Discussion

9808.	Question : protoxylem lacunae occur in
Answer» GRASS STEM VASCULAR bundles caldodes underground stems climbers. Answer :a

Discussion

9809.	Question : Protoplasts of two different species are fused to
Answer» Micropropagation SOMATIC HYBRIDIZATION Clonal propagation Organography Solution :Somatic hybridization or parasexual hybridization involves the FUSION of isolated protoplast of two different species.

Discussion

9810.	Question : Protoplasts of two different species are fused in
Answer» MICRO PROPAGATION somatichybridisattion CLONAL propagation organographhy ANSWER :B

Discussion

9811.	Question : Protoplast isolation was first established by
Answer» MENDEL BATESON COCKING Skoog Solution :Cocking

Discussion

9812.	Question : Protoplasts of two different species are fused in :
Answer» CLONA propagation organography micropropagation somatic hybrdization Answer :D

Discussion

9813.	Question :Protoplast is -
Answer» Another name for protoplasm An animal cell A PLANT cell without a cell WALL A plant cell SOLUTION :Protoplast is a plant cell without a cell wall.

Discussion

9814.	Question : Protoplast are the cells devoid of ………. .
Answer» CELL wall Cell membrane plasma membrane both A and B Answer :A

Discussion

9815.	Question : Protoplasm forms percentage of total weight of the body
Answer» `45%` `70%` `95%` `15%` ANSWER :C

Discussion

9816.	Question : Protoplams is
Answer» Noliving MATTER BEARER of herditary CHARACTERS LIVING matter without function Physical basis of LIFE Answer :D

Discussion

9817.	Question : Protons & electrons acceptors ( H_2acceptors)in theZ , scheme are
Answer» CYTOCHROMES, PC PQ, `NADP^(+)` PHEOPHYTIN , `H_(2)O` Answer :B

Discussion

9818.	Question : Protonema occurs in the life cycle of
Answer» Riccia FUNARIA Chlamydomonas Spirogyra Solution :(b) Protonema represents the JUVENILE stage of moss (Funaria). It is much-branched, green FILAMENTOUS structure FORMED by the GERMINATION of spores, under favourable conditions. The protonema consists of (a) some slender rhizoids (b) a number of aerial green prostrate branches bearing small lateral buds which grow up into new moss gametophores.

Discussion

9819.	Question : Protonema and prothallus are respectively:-
Answer» DIPLOID and Haploid Diploid and Diploid Haploid NAD Diploid Haploid and Haploid Answer :D

Discussion

9820.	Question : Proton pump is a movement of protons from
Answer» LUMEN to STROMA stroma to Lumen stroma to CYTOPLASM GRANA to stroma Answer :B

Discussion

9821.	Question :Proton translocation is observed through a membrane complex present on thylakoid membranes namely
Answer» PS-II COMPLEX PS-I complex Cytochrome `b_(6)` f complex `CF_(0) - CF_(1)`complex Answer :D

Discussion

9822.	Question : Proto-oncogenes are
Answer» Normai genes which CONTROL CELL GROWTH and differentiation Mutated genes which CAUSE cancer Viral genes which cause cancer Genes which cause METASTASIS under normal conditions Answer :A

Discussion

9823.	Question : Protocells were similar to the present day
Answer» VIRUS EUKARYOTES MYCOPLASMA Both (a)and (C) ANSWER :D

Discussion

9824.	Question : Protistan protozoan having nuclear dimorphism is
Answer» AMOEBA PROTEUS PARAMAECIUM caudatum Plasmodium vivax Trypanosoma gambiense. Answer :B

Discussion

9825.	Question : Protista is a kingdom which does not have well defined boundaries and it shows linkage with :-
Answer» Plant Animals Fungi All of the above Answer :D

Discussion

9826.	Question : Prothrombin albumin and fibrinogen are synthesized by
Answer» pancreas Bone marrow Spleen Liver Answer :D

Discussion

9827.	Question : Prothallus (gametophyte) gives rise to fern plant (sporophyte) without fertilisation. It is
Answer» apospory apogamy parthenocarpy parthenogenesis Solution :(B) Apogamy REFERS to the development of SPOROPHYTE from gametophyte without fertilisattion.In fern plant, prothallus (gametophyte) gives rise to main plant body (sporophyte) directly from somaticcell without forming gametes, Sporophyte thus FORMED is haploid in nature.

Discussion

9828.	Question : Proteolyticvenomoccurs in
Answer» COBRA VIPER Krati Python Solution :N//A

Discussion

9829.	Question : Proteolytic enzymes are not the components
Answer» Saliva Gastric JUICE SUCCUS ENTERICUS PANCREATIC juice Answer :A

Discussion

9830.	Question : Proteins those can be easily extracted from the plasma membrane, are :-
Answer» Transmembrane Integral Peripheral Intrinsic Answer :C

Discussion

9831.	Question : Proteolytic enzyme required for lysis of fibrinogen
Answer» Plasmin Fibrin Platelet factor Thrombin Answer :C

Discussion

9832.	Question : Proteins that help to open up DNA helix in front of the replication fork in prokaryotes are
Answer» TOPOISOMERASES unwindases (HELICASES) POLYMERASE I exonucleases and endonuclease Answer :B

Discussion

9833.	Question : Proteins are synthesized in the process:
Answer» Translocation Transcription Translation Transformation Answer :C

Discussion

9834.	Question : Proteinoids
Answer» Solution :These are POLYPEPTIDES synthesized by heating a mixture ofamino acids from `160^@" to "210^@` C for SEVERAL HOURS.

Discussion

9835.	Question : Protein that form chromatin with DNA is :
Answer» Mysoin Actin Troponin Histone Answer :D

Discussion

9836.	Question : Protein synthesis takes place on the surface of
Answer» DNA MITOCHONDRIA NUCLEUS RIBOSOMES Solution :ribosomes

Discussion

9837.	Question : Protein synthesis occurs:
Answer» on RIBOSOMES present in cytosol as well as in mitochondria only on ribosomes attached to the nuclear ENVELOP and endoplasmic reticulum Only on the RIBOSOME present in cystol on ribosomes present in NUCLEOLUS as well as cytoplasm Answer :A

Discussion

9838.	Question : Protein synthesis is always initiated by which amino acid ?
Answer» METHIONIN LYSINE SERINE Valine Solution :Methionin

Discussion

9839.	Question : Protein substances are generally stained with
Answer» iodine light green cotton blue ruthenium red Answer :D

Discussion

9840.	Question : Protein portion of an enzyme to which a co-factor binds is known as
Answer» Apoenzyme Isoenzyme Holoenzyme Proenzyme Answer :A

Discussion

9841.	Question : Protein required for congulation of blood is
Answer» Haemoglobin Globulin Fibrinogen Albumin Answer :C

Discussion

9842.	Question : Protein present in cartilage is
Answer» Collagen Chondrin Ossein Elastin Answer :A

Discussion

9843.	Question : Protein packaging cell organelle is:
Answer» GOLGI BODY ER Lysosome Ribosome Answer :A

Discussion

9844.	Question : Protein part of a holoenzyme is called
Answer» ANSWER :APOENZYME

Discussion

9845.	Question : Protein on reaction with which yields ruhemann's purple?
Answer» NINHYDRIN `Cu^(2+)` `H_(2)O_(2)` BENEDICT's solution Answer :A

Discussion

9846.	Question : Protein lecithin theory of mineral salt absorption was put forward by :
Answer» Lundegardh and Burstrom Bennet Clark Vanden Honert None of the above Answer :B

Discussion

9847.	Question : Protein found in hair and nail is:
Answer» Collagen Tubulin Keratin Myosin Answer :C

Discussion

9848.	Question : Protein denaturation takes place by the activity of
Answer» Water Heat Enzyme Pressure Answer :B

Discussion

9849.	Question : Protein content is hen's egg is :
Answer» 10.6 12.9 14.6 16.6 Answer :B

Discussion

9850.	Question : Protective covering of all types of ascocaprs is
Answer» epiderm plactenchyma peridium PERIDERM ANSWER :D

Discussion

Explore topic-wise InterviewSolutions in .

Question : Proximal convoluted tuble and Distal convoluted tuble.

Question : Provides nutrition for sperm

Question : Provide an instance where the population size of species can be estimated indirectly without actually in natural parks is based on pugmarks.

Question : Provide any four intergenic gene interactions.

Question : Protrusiblestructure presentoverthe scolexof tapeworm is

Question : Provide an example for each of the following agricultural components. (i) Bio pesticide (ii) Green manure crop (iii) bio-Fertilizer

Question : Write about the process of fermentation

Question : protoxylem lacunae occur in

Question : Protoplasts of two different species are fused to

Question : Protoplasts of two different species are fused in

Question : Protoplast isolation was first established by

Question : Protoplasts of two different species are fused in :

Question :Protoplast is -

Question : Protoplast are the cells devoid of ………. .

Question : Protoplasm forms percentage of total weight of the body

Question : Protoplams is

Question : Protons & electrons acceptors ( H_2acceptors)in theZ , scheme are

Question : Protonema occurs in the life cycle of

Question : Protonema and prothallus are respectively:-

Question : Proton pump is a movement of protons from

Question :Proton translocation is observed through a membrane complex present on thylakoid membranes namely

Question : Proto-oncogenes are

Question : Protocells were similar to the present day

Question : Protistan protozoan having nuclear dimorphism is

Question : Protista is a kingdom which does not have well defined boundaries and it shows linkage with :-

Question : Prothrombin albumin and fibrinogen are synthesized by

Question : Prothallus (gametophyte) gives rise to fern plant (sporophyte) without fertilisation. It is

Question : Proteolyticvenomoccurs in

Question : Proteolytic enzymes are not the components

Question : Proteins those can be easily extracted from the plasma membrane, are :-

Question : Proteolytic enzyme required for lysis of fibrinogen

Question : Proteins that help to open up DNA helix in front of the replication fork in prokaryotes are

Question : Proteins are synthesized in the process:

Question : Proteinoids

Question : Protein that form chromatin with DNA is :

Question : Protein synthesis takes place on the surface of

Question : Protein synthesis occurs:

Question : Protein synthesis is always initiated by which amino acid ?

Question : Protein substances are generally stained with

Question : Protein portion of an enzyme to which a co-factor binds is known as

Question : Protein required for congulation of blood is

Question : Protein present in cartilage is

Question : Protein packaging cell organelle is:

Question : Protein part of a holoenzyme is called

Question : Protein on reaction with which yields ruhemann's purple?

Question : Protein lecithin theory of mineral salt absorption was put forward by :

Question : Protein found in hair and nail is:

Question : Protein denaturation takes place by the activity of

Question : Protein content is hen's egg is :

Question : Protective covering of all types of ascocaprs is