24277 + Interview Questions in Biology in Class 12 Page 382 InterviewSolution

19051.	Question : Consider the given statements to be true and decide which of the given conclusions can definitely be drawn from the given statement.Statements :1. All books are novels. 2. Some novels are poems. Conclusions : I. Some books are poems. II. Some poems are novels.
Answer» Only CONCLUSION I FOLLOWS Only conclusion II follows NEITHER conclusion I nor II follows Both conclusion I and II follow Answer :B

Discussion

19052.	Question : Consider the follwing statements. I. It is theoutermost thinloose covering presentin certainanimalviruses and rarely in plants or bacterial viruses. II. It is a viruswithoutan envelope. III. Thereare the identicalproteinsubunits is viral capsid. Choose the correctwords with respectto the abovestatements.
Answer» I-Capsid, II-Loose, III-Capsomeres I-Capsid, II-Empty, III-Peplomeres I-Envelope, II-Naked, III-Capsomeres I-Envelope, II-Spike, III-Peplomeres Answer :C

Discussion

19053.	Question : Consider the parts labelled 1, 2, 3, 4 and 5 respectively in the following diagram of pBR322 and find out the correct sequences :
Answer» 1 - Hind II, 2 - BamH I, 3 - Pvu, 4 - Pst I, 5 - Pvu I 1 - Hind III, 2 - BamH II, 3 - Pvu, 4 - Pst I, 5 - Pvu I 1 - Hind III, 2 - BamH I, 3 - Pvu, 4 - Pst I, 5 - Pvu II 1 - Hind III, 2 - BamH I, 3 Pvu, 4 - Pst I, 5 - Pvu I Answer :D

Discussion

19054.	Question : Consider the follwing pedigree over four generations and mark the correct answer below about the inheritance of haemophilia.
Answer» Haemophilia is X-linked dominant Haemophilia is autosomal dominant Haemophilia is X-linked recessive Haemophilia is Y-linked dominant SOLUTION : Female parent is CARRIER and male and female offspring is AFFECTED.

Discussion

19055.	Question : Consider the following symptoms of a disorder. (a) Mental retardation(b) Abnormal skin(c) Deaf-mutism(d)Stunted growthWhich disorder is correctly described by these symptoms?
Answer» Acromegaly Myxedema Exophthalmic GOITRE Cretinism Answer :D

Discussion

19056.	Question : Consider the followingthree statements and select the correct option stating which one is true (T) and which one is false (F). (i) Oparin of Russia and Haldane of England proposed that the first form of life could have come from pre-existing nonliving organic molecules (e.g, RNA, protein etc.) and that formation of life was preceded by chemical evolution. (ii) Based on observations made during a sea voyage around the world. Charles Darwin concluded that existing living forms share similarities to varying degrees only among themselves. (iii) Evolution by natural selection must have started when cellular forms of life with different metabolic capability originated on Earth.
Answer» `{:("(i)","(II)","(iii)"),(F,T,T):}` `{:("(i)","(ii)","(iii)"),(T,F,T):}` `{:("(i)","(ii)","(iii)"),(T,T,F):}` `{:("(i)","(ii)","(iii)"),(F,F,T):}` Solution :Based on observations made during a sea voyage around the world,l Cahrles Darwin concluded that EXISTING LIVING forms share similarities to varying degrees not only among themseleves but also with life forms that existed millions of years AGO.

Discussion

19057.	Question : Consider the following three statements and select the correct option stating which one is true (T) and which one is false (F). (i) Some land reptiles went back, into water to evolveinto fish like reptiles probable 200 mya. (ii) The first mammals were like shrews. (iii) The work of Thomas Malthus on populations influenced Lamarck.
Answer» `{:("(i)","(II)","(iii)"),(T,F,T):}` `{:("(i)","(ii)","(iii)"),(F,T,T):}` `{:("(i)","(ii)","(iii)"),(T,T,F):}` `{:("(i)","(ii)","(iii)"),(F,T,T):}` SOLUTION :In 1938, DARWIN came across 'An Essay on the principle on Population' written by Thomas Robert MALTHUS. The work of Thomas Malthus on human population grwoth influenced him.

Discussion

19058.	Question : Consider the following structures Never cells Sensory cells Interstitial cells Cnidoblast Gland cells How many of above are common in epidermis and gastrodermis of coelenterates?
Answer» A,B and C D and E A,B,C and E A,C and E Answer :C

Discussion

19059.	Question :Consider the following structures. (A) Notochord(B) Pharyngeal gill slits (C) Dorsal hollow nerve cord (D) Tail. How many structure are present in adult cephalochordate?
Answer» Only (A) Only (A) & (B) (A), (B) & (C) only (A), (B), (C) & (D) ANSWER :D

Discussion

19060.	Question : Considerthe followingstatemntin relation to plant tissue chlorenchyma :1. It is formedby the palisadeand spongy mesophyll. 2. It is a form of parenchymawhich containschloroplasts. 3. It servesto transport organicsolutes made by photosynthesis.4. It isa thintransparentlayer whichhas chiefly a protectivefunction.
Answer» 1 and 2 only 1, 2 and 4 2 and 3 1 only Solution :Parenchyma CONTAINING chloroplasts are CALLED CHLORENCHYMA and is FOUND in green leavesand some green aerial ORGANS. The cells of chlorenchyma tissues containchloroplast and henceperform the functionof photosynthesis. It provides mechinal strength and flexibility to the plant.

Discussion

19061.	Question : Consider the following structures :(i) Notochord(ii) Nerve cord(iii) Pharyngeal gill slits(iv) Tail.How many features are present in larva urochordates?
Answer» one two three four Answer :D

Discussion

19062.	Question : Consider the following statements w.r.t. molluscs.Gills also perform excretion along with respiration.Glochidium larva of Unio is an ectoparasite on fish.Oral arms of Octopus are modification of foot.Neopilina has segmented body and is covered with shell.How many of the above mentioned statements are correct?
Answer» four one three two Answer :A

Discussion

19063.	Question : Consider the following statements which of them are the advantages of tissue culture/microprogation (I) A large number of plants can be growin in short time. (II) Disease-free plants can be developed from diseased plants. (III) Seedless plants can be multiplied. (IV) Somatic plants can be raised by tissue culture, where sexual hybridisation is not possible.
Answer» I, II and III II, III and IV I, II and IV I, II, III and IV ANSWER :A

Discussion

19064.	Question : Consider the following statements regarding gymnosperms and choose the correct option:- I. In gymnosperms, the male and female gametophytes have an independent existence. II. The multicellular female gametophyte is retained within the megasporangium. III. All gymnosperms are heterosporous. Of these statements:-
Answer» I and II are TRUE but III is false I and III are true but II is false II and III are false but I is true II and III are true but I is false Answer :C

Discussion

19065.	Question : Consider the following statements regarding Deuteromycetes and choose the option that best representthe statements. I. It is an artificial class of fungi. II. Asexual stages of these fungi are unknown . III. Deuteromycetes are called as fungi imperfecti . IV . Deuteromycetes are actually ascomycetes .
Answer» STATEMENT II is incorrect , while OTHERS are correct Statement III and IV are incorrect , while others are correct Statement I is correct and all others are incorrect All STATEMENTS are correct Answer :D

Discussion

19066.	Question : Consider the following statements regarding linkage (i) The linked genes are located on the same chromosome.(ii) Crossing over between linked genes is maximum. (iii) The linkage can be broken by crossing over. (iv) Linkage is against Mendel's law of segregation.
Answer» (i) and (III) are CORRECT (i) and (II) are correct (ii), (iii) and (IV) are correct (i), (iii) and (iv) are correct Answer :A

Discussion

19067.	Question : Consider the following statements regarding bryophytes. I. The first plant group to survive on the land was probably bryophyte. II. Thegemmae in Funaria are formed on the axis of rhizoids or leaves or protonema. III. Funaria is monoerious. Which of the following are correct statements ?
Answer» I and II I and III Only III I, II and III ANSWER :D

Discussion

19068.	Question : Consider the following statements regarding bilogical classification (A)Manuals and Monographs are used to disseminate information among taxonomists. (B)Actual specimens are used in herbarium, museum, botanical garden and zoological parks Select true statement :
Answer» Only A Only B Both A and B Neither A nor B Answer :C

Discussion

19069.	Question : Considerthe followingstatements : In fern plants, 1. vascular system is absence 2. reproductiveorgansare multi-cellular. Which of the statements given above is/are correct ?
Answer» 1 only 2 only Both 1 and 2 Neither1 nor 2 Solution :In Ferns, vascularsystem is presentand reproductiveorgansare multicellular. Most ferns are leafy plantsthat GROW in moist areas under forest canopy. They are"vascular plants" withwell-developedinternal VEIN structuresthat promote the FLOW of water and nutrients. Unlikethe othervascular plants, the floweringplants and conifers, where theadult plant grows IMMEDIATELY from the seed, ferns reproduce from spores and an intermediate plant stage calleda gametophyte.

Discussion

19070.	Question : Consider the following statements. I. T-even phages possess lyticcycle. II. Lysogeny is a common feature of lambda (lambda) phages, III. Latent period followsthe eclipse phase. Choose the correct statement(s) from the codes givenbelow.
Answer» I and II I, III and IV Only IV I, II and III Answer :B

Discussion

19071.	Question : Consider the following statements. I) Transgenic animals are more sensitive to the toxic substance than non-transgenic animals. II) Useful biological products can be produced by introducing the portion of DNA which codes for a particular product into transgenic animals III) Brazzein is a protein produced by a west African plant, Pentadiplandra brazzeana which is approximately 2000 time as sweet as sugar. Which of the statements are given above are correct?
Answer» I, II and III I and II I and III None of these Answer :A

Discussion

19072.	Question : Consider the following statements. I. The sporophyte in liverworts is more elaborate than that in mosses. II. Funaria is heterosporous. III. The life cycle in all seed bearing plants is diplotic. IV. In Pinus male and female cones are borne ondifferent trees. Which two statements are incorrect ?
Answer» I andIII I and IV II and III only I ANSWER :D

Discussion

19073.	Question : Consider the following statements. (i) Polyspermy may bring about fertilisation of egg by more than one male nucleus or the supernumerary sperms may fertilise other components of embryo sac much as synergids or antipodals. (ii) In angiosperms, pollen tube is normally an unbranched structure which ususally persists after fertilisation. (iii) Intine is the inner, pectocellulosic layer of pollen grain wall which is destroyed during acetolysis. (iv) Exine layer of pollen grain comprises of an outer non-sculptured layer sexine and an inner sculptured layer tectum.Which of the following combinations of above given statements is correct ?
Answer» (i) and (IV) (i) and (iii) (ii) and (iii) (ii) and (iv) SOLUTION :In angiosperms, the POLLEN tube is normally an unbranched structure which collapses soon after fertilisation, the pollen tube may persist for as long as three weeks. Morphologically, the exine is diviside into two distinct layers (i) an outer suclptured layer CALLED sexine, and (ii) an INNER non-sculptured layer, nexine.

Discussion

19074.	Question : Consider the following statements : i. Recombinant DNA technology is popularly known as genetic engineering is a stream of biotechnology which deals with the manipulation of genetic materials by man invitro ii. pBR322 is the first artificial cloning vector developed in 1977 by Boliver and Rodriguez from E.coli plasmid. iii. Restriction enzymes belong to a class of enzymes called nucleases . Choose that correct option regarding above statements
Answer» i and II i and III ii and iii i,ii and iii Answer :D

Discussion

19075.	Question : Consider the following statements i. r-RNA provides the template for synthesis of proteins ii. t-RNA brings amino acids and reads the genetic code iii. RNA polymerase binds to promoter and initiates transcriptioniv. A segment of DNA coding for polypeptide is called intron
Answer» i and III are CORRECT i and II are correct i, ii and iii are correct ii and iii are correct ANSWER :D

Discussion

19076.	Question : Consider the following statements. I. M. Beijerinck (1898)calledvirus a living infectiousfluidcontagium vivumfluidum. II. Only ribosomes are present in Viruses. III. Viruses are obligate intracellularparasites. IV. Viruses use single ATP as an energysource. The correct option about virus is
Answer» II and III I, II and III III and IV I and III Answer :D

Discussion

19077.	Question : Consider the following statements. I. It is an entirevirus particle, consisting of an outer protein shell calledcapsid and an inner core of nucleic acid. II. It is a circularsingle -standardRNA dependent on virus for replication and encapsidation. III. It is an infections, non-proteincoding highly structured small circular Ribonucleic Acids (RNAs) and induce diseasein plants. Select the correct option referring to the statements given above.
Answer» I-Prion, II-Virion, III-Virusoid I-Virion, II-Virusoid, III-Viriod I-Virion, II-Viriod, III-Virusoid I-Viriod, II-Prion, III-Virusoid Answer :B

Discussion

19078.	Question : Consider the following statements. I) Flavr savr is a genetically modified tomato, which remains fresh and retains its flavour much longer than the normal tomato due to blocking of synthesis of fruit softening enzyme polygalacturonase. II) Recently, the US Government has patented the Indian 'basmati rice as Rice tec. III) Viruses, bacteria and some other harmful organisms can be used as bioweapons in biological warfare. Which of the statements given above are correct?
Answer» I & II I & III II & III I, II & III ANSWER :D

Discussion

19079.	Question : consider thefollowing statements (I-II) about organic farming.
Answer» II,III and IV III and IV II and III I and II Solution :Out of the gine statements II and III are correct as organic farming is the form of agriculture that relies on techniques such as crop raotation GREEN manue=re compost and biologicla pest CONTROL to maintain soilil productiveiy and control pest on a FARM organic farming excludes orstriclty likits the USE of manufactured fertilises pesticides (which include herbicides insecticides and fungicides ) plant growth regualtors such as hormons food additives and geneticlaly modified organisma

Discussion

19080.	Question : Consider the following statements :- (i) Bacteria have rigid cell wall made up of cellulose (ii) Bacteria do not reproduce by sexual reproduction. (iii) Ammonia is oxidised to nitrite by the bacteria Nitrosomonas. (iv) Viruses are obligate parasites, cannot be living without host cell. Which of the statements are correct and incorrect ?
Answer» i, II CORRECT and III, IV incorrect ii, iii correct and i, iv incorrect iii, iv correct and i incorrect iv correct and i, ii, iii, incorrect Answer :C

Discussion

19081.	Question : Consider the following statements. How many statements are correct ? (a) Diatoms form kieselgurh (b) Neurospora is used for the study of genetics in plant kingdom. (c) Heterospory is a characteristic feature in the life cycle of a few members of pteridophytes and all spermatophytes. (d) Most algal genera show haplontic life cycle
Answer» Three One Four Two Answer :C

Discussion

19082.	Question : Consider the following statements concerning food chains.
Answer» (A)Removal of `80%` tigers from on area resulted in GREATLY increased growth of vegetation (B)Removal of most the CARNIVORES resulted in an increased population of deers (C)The length of food chains is generallylimited to 3-4 trophic levels DUE to energy loss (D)The length of food chains may VARY from 2 to 8 trophic levels Answer :C

Discussion

19083.	Question : Consider the following statements . Apical dominance in plants I. Allows plant growth II. Regards the growth of lateral buds III. Which of these statements is /are correct ? Which of these statement is / are correct ?
Answer» I ALONE II alone III alone I and II Answer :D

Discussion

19084.	Question : Consider the following statements and select the correct option stating which ones are true (T) and which ones are false (F). i) Amylase hydrolyzes proteins to amino acids ii) Pancreatic amylase hydrolyses poly saccharides to disaccharides. iii) Enteropeptidase activates pepsinogen to pepsin. iv) Trypsin coagulates the milk protein casein.
Answer» `{:(i,ii,III,iv),(T,T,F,F):}` `{:(i,ii,iii,iv),(F,T,F,T):}` `{:(i,ii,iii,iv),(F,T,F,F):}` `{:(i,ii,iii,iv),(F,T,T,F):}` ANSWER :C

Discussion

19085.	Question : Consider the followingstatementsand identifythe incorrect statement.
Answer» Asexulrepoduction preservesgenetic information Sexual reproductionpermitvariaitons An ALIEN DNAlinkedwithin the originof replicationsequencecan replicatedand multiply it selfin the bestthehostorganism Traditionalhybridization procedures LEAT to inductionand multiplicationof notonly desired GENE but underised genes aswell . Answer :C

Discussion

19086.	Question :Consider the following statements and choose the correct option :- (a) Six codons do not code for any amino-acid. (b) Codon is read in m-RNA in a contiguous fashion. (c) Three codons function as stop codons. (d) In eukaryotes the initiator codon AUG codes for methionine.
Answer» (a), (B) and (d) are WRONG (a), (b) and (C) are wrong (b), (c) and (d) are wrong (a) is wrong Answer :D

Discussion

19087.	Question : Consider the following statements and choose the correct option. i. The genetic constitution of a plant is unaffected in vegetative propagation ii. Rhizome in ginger serves as an organ of vegetative reproduction iii. Totipotency of cells enables us to micropropagate plants
Answer» Statements (i) and (II) alone are TRUE Statements (ii) and (iii) alone are true STATEMENT (ii) alone is true All the THREE statements (i), (ii) and (iii) are true

Discussion

19088.	Question : Consider the following statements about 'Rosie' I) Rosie is a first transgenic cow. II) Rosie produced human protein enriched milk.III) The milk contained the human a lactalbumin and scientist behind the research believes that the milk from the cow could provide an alternative to huan breast milk. Which of the statements given above are correct?
Answer» I & II I & III II & III I, II & III ANSWER :D

Discussion

19089.	Question : Consider the following statements. A. The productivity and distribution of plants has nothing to do with water. B. Next to temperature, water is the most important factor influencing the life of organisms. C. Mammals from colder climates generally have longer ears and limbs to minimise heat loss. D. Life on Earth originated in water and is unsustainable without water. Of the above statements:
Answer» A and B are correct A and D are correct B and C are correct B and D are correct Answer :D

Discussion

19090.	Question : Consider the following statements A marathon runner is likely to show1. Reduced heart rate 2. Enlarged heart 3. larger stroke volume 4. Decreased arterial blood pressure Which of the above statement is/are correct?
Answer» All of the above 1, 2 and 3 1 and 2 1 alone Answer :B

Discussion

19091.	Question : Consider the following statements about carbon cycle and choose how many statments are correct ?
Answer» TWO THREE Four FIVE Answer :B

Discussion

19092.	Question : Consider the following statements. A. Temperature is the most ecologically relevent environmental factor. B. Temperature increases progressively from the equator towards the poles and from plains to the mountain tops. C. Diversity is not an important characteristic of living organisms. D. Mango trees do not and cannot grow in temperate countries like Canada and Germany. Of the above statements:
Answer» B and D are correct A and B are correct A and C are correct A and D are correct Answer :D

Discussion

19093.	Question : Consider the following statements (a) In both crustaceans and insects body is divisible into cephalothorax and abdomen. (b) In millipedes throacic and abdominal segments bear 2 pairs of legs. (c) Tehmina is theother name for metathoracic wings of insects. (d) Peripatus is a connecting link between Annelida and Arthropoda. How may among the above mentioned statements is/are correct?
Answer» 4 3 1 2 Answer :C

Discussion

19094.	Question : Consider the following statements (a-d) each with one oo two blanks:- (a) .........(i).......... are the masses of bacteria associated with fungal filaments to form mesh-like structure (b) ..........(ii)...........is used as a clot buster (c) Baculovirueses are excellent candidates ........(iii).........narrow spectrum (d) .........(iv)............are organism that enrich the nutrient quality of the soil
Answer» i-flocs, ii-broad, SPECTRUM i-flocs, IV - biofertilizer ii-broad spectrum, III - pesticides iii- STREPTOKINASE, iv - biofertilizer Answer :B

Discussion

19095.	Question : Consider the following statements A-D with incomplete spaces : A. Although the plant is infectedwith a virus , the apicaland axillary overset((i))("_______") is free of virus. B. Around three billion people in the world suffer from overset((ii))("_______"), overset((iii))("_______") and overset((iv))("_______"), deficiencies or hidden hunger. C. Alternate sources of proteins for animals and human nutrition is overset((v))("_______") like overset((vi))("_______") D. Whole plants could be generated from any part of the plant called overset((vii))("_______") and this capacity is called overset((viii))("_______")
Answer» (iii) Meristem, (IV) Vitamin, (vi) TOTIPOTENCY (ii) Meristem, (v) SCP, (vi) Explant (i) Bud, (ii) MICRONUTRIENT, (viii) Explant (v) SCP, (vii) Explant , (viii) Totipotency Answer :D

Discussion

19096.	Question : Consider the following statements. (A) Exchange of gases through skin (B) Indirect development (C) Only one genus represents the whole group (D) All the primary chordate features are present in embryo, larva and adult The above features characterise:
Answer» Urochordata Cephalochordata Cyclostomata Protochordata Answer :B

Discussion

19097.	Question : Consider the following statements (A-D) :- (A)Biological names are Latinised or derived from Latin irrespective of their origin. (B)Animals, mammals and dogs are different taxa at the different level (C)By using artificial system of classification, we can get evolutionary relations in organisms. (D)Bacteria cannot be considered as biological species according to the biological concept of species Which of the above statements(s) are correct?
Answer» A, B & B, C & D B & C only A & B only Answer :A

Discussion

19098.	Question : Consider the following statements – (a) Catechalomines stimulate the breakdown of glycogen in glucose (b) Glucocorticoids produces anti inflammatory reactions. (c) LH produce wide ranging actions such as development of growing ovarian follicles, stimulation of growth and activities of female sec. sex organs. (d) Cortisol releated to mixing of FSH and LH during embryo stage. Choose the correct statement from above –
Answer» a, B are TRUE where C, d are false b, c are true where a, d are false a, d are true where b, c are false a is true where b, c, d are false Answer :A

Discussion

19099.	Question : Consider the following statements: a. All oviparous organisms exhibit external fertilization. b. Hermaphrodites can show cross fertilization. c. New individual can develop from ovum (without fusion with sperm) d. Embryogenesis involves cell division, cell differentiation and dedifferentiationWhich of the above mentioned statements are incorrect?
Answer» a & c b & d a & d b & c Answer :C

Discussion

19100.	Question : Consider the following statements A, B, C and D and select the right option, for two correct statements :- Statements :- (A) Phloem parenchyma is present in monocotyledonae stem (B) Lateral roots are usually exogenous in origin (C) The cork is impervious to water due to suberin deposition in the cell wall. (D) Lenticels occur in most woody trees. The correct statements are :-
Answer» (A) and (B) (B) and (C) (C) and (D) (A) and (C) ANSWER :C

Discussion

Explore topic-wise InterviewSolutions in .

Question : Consider the given statements to be true and decide which of the given conclusions can definitely be drawn from the given statement.Statements :1. All books are novels. 2. Some novels are poems. Conclusions : I. Some books are poems. II. Some poems are novels.

Question : Consider the parts labelled 1, 2, 3, 4 and 5 respectively in the following diagram of pBR322 and find out the correct sequences :

Question : Consider the follwing pedigree over four generations and mark the correct answer below about the inheritance of haemophilia.

Question : Consider the following symptoms of a disorder. (a) Mental retardation(b) Abnormal skin(c) Deaf-mutism(d)Stunted growthWhich disorder is correctly described by these symptoms?

Question : Consider the following structures Never cells Sensory cells Interstitial cells Cnidoblast Gland cells How many of above are common in epidermis and gastrodermis of coelenterates?

Question :Consider the following structures. (A) Notochord(B) Pharyngeal gill slits (C) Dorsal hollow nerve cord (D) Tail. How many structure are present in adult cephalochordate?

Question : Consider the following structures :(i) Notochord(ii) Nerve cord(iii) Pharyngeal gill slits(iv) Tail.How many features are present in larva urochordates?

Question : Consider the following statements regarding linkage (i) The linked genes are located on the same chromosome.(ii) Crossing over between linked genes is maximum. (iii) The linkage can be broken by crossing over. (iv) Linkage is against Mendel's law of segregation.

Question : Consider the following statements regarding bryophytes. I. The first plant group to survive on the land was probably bryophyte. II. Thegemmae in Funaria are formed on the axis of rhizoids or leaves or protonema. III. Funaria is monoerious. Which of the following are correct statements ?

Question : Consider the following statements regarding bilogical classification (A)Manuals and Monographs are used to disseminate information among taxonomists. (B)Actual specimens are used in herbarium, museum, botanical garden and zoological parks Select true statement :

Question : Considerthe followingstatements : In fern plants, 1. vascular system is absence 2. reproductiveorgansare multi-cellular. Which of the statements given above is/are correct ?

Question : Consider the following statements. I. T-even phages possess lyticcycle. II. Lysogeny is a common feature of lambda (lambda) phages, III. Latent period followsthe eclipse phase. Choose the correct statement(s) from the codes givenbelow.

Question : Consider the following statements i. r-RNA provides the template for synthesis of proteins ii. t-RNA brings amino acids and reads the genetic code iii. RNA polymerase binds to promoter and initiates transcriptioniv. A segment of DNA coding for polypeptide is called intron

Question : consider thefollowing statements (I-II) about organic farming.

Question : Consider the following statements concerning food chains.

Question : Consider the following statements . Apical dominance in plants I. Allows plant growth II. Regards the growth of lateral buds III. Which of these statements is /are correct ? Which of these statement is / are correct ?

Question : Consider the followingstatementsand identifythe incorrect statement.

Question :Consider the following statements and choose the correct option :- (a) Six codons do not code for any amino-acid. (b) Codon is read in m-RNA in a contiguous fashion. (c) Three codons function as stop codons. (d) In eukaryotes the initiator codon AUG codes for methionine.

Question : Consider the following statements and choose the correct option. i. The genetic constitution of a plant is unaffected in vegetative propagation ii. Rhizome in ginger serves as an organ of vegetative reproduction iii. Totipotency of cells enables us to micropropagate plants

Question : Consider the following statements A marathon runner is likely to show1. Reduced heart rate 2. Enlarged heart 3. larger stroke volume 4. Decreased arterial blood pressure Which of the above statement is/are correct?

Question : Consider the following statements about carbon cycle and choose how many statments are correct ?

Question : Consider the following statements. (A) Exchange of gases through skin (B) Indirect development (C) Only one genus represents the whole group (D) All the primary chordate features are present in embryo, larva and adult The above features characterise: