24277 + Interview Questions in Biology in Class 12 Page 189 InterviewSolution

9401.	Question : Read the statements below and identify the mode of interaction between the species.Tiger eating deer
Answer» SOLUTION :PREDATION

Discussion

9402.	Question : Read the statements below and identify the mode of interaction between the species.Orchid attached to a tree
Answer» SOLUTION :COMMENSALISM

Discussion

9403.	Question : Read the statements below and identify the mode of interaction between the species.Mycorrhizal association of fungi and roots of higher plants
Answer» SOLUTION :MUTUALISM

Discussion

9404.	Question : Read the statements below and identify the mode of interaction between the species.Egrets foraging close to cattle
Answer» SOLUTION :COMMENSALISM

Discussion

9405.	Question : Read the statements below and identify the mode of interaction between the species.Lice on humans
Answer» SOLUTION :PARASITISM

Discussion

9406.	Question : Read the statements below and identify the mode of interaction between the species.Human liver fluke feed on snail
Answer» SOLUTION :PREDATION or PARASITISM

Discussion

9407.	Question : Read the statements below and identify the mode of interaction between the species.Butterfly feeding pollen
Answer» SOLUTION :MUTUALISM

Discussion

9408.	Question : Read the statements and choose the correct option: A: Sacred grooves are example of in situ conservation. B: Biodiversity hotspots have low degree of endemism.
Answer» STATEMENT 'A' ALONE is correct Statement 'A' and 'B' are correct Statement 'A' and 'C' are correct Statement 'C' alone is correct Answer :A

Discussion

9409.	Question : Read the statements about honey bees I. Daughters of a Queen bee share 3/4th of their genes II. Gametogenesis occurs by mitosis in a Queen bee
Answer» Both I,II are correct Only I is correct Both I and II are incorrect Only II is correct. Answer :B

Discussion

9410.	Question : Read the statement given below, identify the ones associated with proteins and their digestion in body.
Answer» Proteins are diamers of amino acid moleties Arginine and histadine are ESSENTIAL amino acids. Spruce, i.e, conditional involving ulceration of mouth, inflamation of bowel, etc. occurs due to protein deficiency. Amino acids are ABSORBED in blood STREAM via active TRANSPORT COUPLED with active sodium transport. Answer :D

Discussion

9411.	Question : Read the statement below and identify the mode of interaction between the species (A) Tiger eating deer. (B) Butterfly feeding pollen. (C ) Human liver fluke feed on snail. (D) Lice on humans. (E) Orchid attached on a tree. (F) Mycorrhizal association of fungi and root of higher plants. (G) Sparrow eating seed. (H) Egrets foraging close to cattle.
Answer» Solution :(A) PREDATION (B) Mutualism (C ) Parasitism (D) Parasitism (E ) Commensalism (F) Mutualism (G) Predation (H) Commensalism

Discussion

9412.	Question : Read the statement carefully and choose the correct option. A.Primary cell wall of plant cells is incapable of growth and diminishes gradually as the cell matures. B.RER is abundantly found in the cells which are actively involved in proteins synthesis and secretion. C.SER is a major site for lipid synthesis. D.A number of proteins synthesized by RER are modified inside the Golgi apparatus.
Answer» A , B & C A , C & D B , C & D A , B & D Answer :C

Discussion

9413.	Question : Read the statement and select the correct terminolgy for the same: "Carrying away of inorganic compounds of soil by water".
Answer» Eluviation Fragmentation Huminification Mineralisation Answer :A

Discussion

9414.	Question : Read the statement (A-D) : (A) The male and female gametophytes do not have independent existence. (B) The multicellular female gametophyte is also retained within megasporangium. (C) The gametophytic generation is reduced. (D) Sporophylls are aggregate to form cone like structures. The above statements belong to which group of plant kingdom ?
Answer» BRYOPHYTES Pteridophytes GYMNOSPERMS ANGIOSPERMS ANSWER :C

Discussion

9415.	Question : Read the statement and choose the correct option. The endometrium undergoes cyclical changes during menstrual cycle. Perimetrium exhibits strong contractions during delivery of the baby Myometrium is outer glandular layer which produce hormones.
Answer» STATEMENT 'A' ALONE is correct. Statement 'A' and 'B' are correct Statement 'A' and 'C' are correct Statement 'C' alone correct Answer :A

Discussion

9416.	Question : Read the principle and answer the questions: "Allele frequencies in a population are stable and constant from generation to generation called genetic equilibrium." What is the significance of disturbances occur in the genetic equilibrium ?
Answer» SOLUTION :LEADS to variation/Leads to evolution/Speciation

Discussion

9417.	Question : Read the principle and answer the questions: "Allele frequencies in a population are stable and constant from generation to generation called genetic equilibrium." Mention any two factors affecting the equilibrium.
Answer» Solution :Gene migration MUTATION Genetic RECOMBINATION Natural SELECTION

Discussion

9418.	Question : Read the graph given above and correlate the uterine events that take place according to the hormonal levels on (i) 6 - 15 days (ii) 16 - 25 days (iii) 26 - 28 days (if the ovum is not fertilised ) (b) Specify the sources of the hormones mentioned in the graph.
Answer» Solution :(i) It is the follicular phase where the FHS STIMULATES the overian follicles to secrete estrogen which in ture stimulates the proliferation of the endometrium of the uterine wall . The ENDOMETRIAL lining begins to thicken. (ii) Secretion of progesterone maintains the endometrium which is neccessary for implantation of fertilised ovum and other events of pregnancy. (iii) When fertilisation does not take place, the endometrium, disintegrates, leading to MENSTRUATION making a new cycle. (iv) Oestrogen is secreted by the OVARIAN follicle and progesterone is secreted by the corpus luteum.

Discussion

9419.	Question : Read the principle and answer the questions: "Allele frequencies in a population are stable and constant from generation to generation called genetic equilibrium." Name the principle mentioned here.
Answer» SOLUTION :Hardy-Weinberg PRINCIPLE

Discussion

9420.	Question : Read the paragraph given below. Based on the paragraph and your acquired knowledge and understanding, answer the question. ''A traditional strategy for the protection of biodiversity has been in practice in India and some other Asian countries dimensions protected by tribal communities due to religious sanctity accorded to them. The sacred forests represent islands of pristine forests and have been free from all disturbances, though these are frequently surrounded by highly degraded landscape. In India, sacred forests are located in several parts e.g. Karnataka, Maharashtra, Kerala, Meghalaya etc and are serving as refugia for number of rare, endangered and endemic taxa.'' a. In India which are the major locations of sacred forests? b. By considering a sacred forest in your local area, list any two ecological significances of sacred forests. c. Due to the religious sanctity, sacred forests are protected to a certain extent. Do you agree? Justify your opinion.
Answer» Solution :a. Karnataka, Maharashtra, Kerala, and Meghalaya. b. i. The FLORA and fauna of that area are maintained. ii. Cutting of trees in not done for commerical purpose from that area. c. Yes, I AGREE to this statement because, due to the religious sanctity people are AFRAID to buy that area and destroy the place. Public will ALSO interfere there due to the religious sanctity.

Discussion

9421.	Question : Read the graph given beow. Correlate the ovarian events that take place in the human femaek according to the level of the pituitary hormone during the following day. (i) 10th - 14th days (ii) 14th - 15th days (iii) 16th - 23th days (iv) 25th - 29th days (If the ovum is not fertilised)
Answer» SOLUTION :(a) (i) GONADOTROPINS and FSH increase (II) LH attains peak level but FSHdecrease (iii) LH and FSH level decrease (iv) LH remains low and FSH increases.

Discussion

9422.	Question : Read the given statemetns, and select the correct option for fill in the blanks An animal is not an osmoregulator, if its fluids are "_____" with its surroundings. An animal in a "____" environment must continually take in water. An animal in a "________" environment must continually remove water from its body.
Answer» HYPOTONIC, HYPERTONIC, ISOTONIC isotonic, hypotonic, hypertonic, hypertonic, hypotonic, isotonic isotonic, hypertonic, hypotonic ANSWER :D

Discussion

9423.	Question : Read the given statements: Statement A: Aristotle classified plants on the basis of habit and habitat. Statement B: Organisms with loose tissue body organisation where placed in Mychota by Copeland.
Answer» Only STATEMENT A iscorrect Only Statement B is correct Both STATEMENTS are incorrect Both Statements are correct Answer :C

Discussion

9424.	Question : Read the given statements i-iv regarding evolution and select the incorrect ones. (i) The oceanic water rich in mixture of organic compounds was termed by J.B.S. Haldane (1920) as 'hot dilute soup of organic substances'. (ii) The term coacervate was given by Sydney Fox. (iii) First cellular form of life did not possible originatetill about 2000 mya, The first geological time scale was developed by Georges Cuvier.
Answer» ii and iv I and ii ii and iii iii and iv Solution :The term coacervate was given by Oparin. The FIRST GEOLOGICAL TIME scale was developed by Giovanni Avduina, an ITALIAN SCIENTIST in 1960.

Discussion

9425.	Question : Statement A: Cattle do not graze on weeds of Calotropis. Statement B: Calotropis have thorns and spines, as defense against herbivores.
Answer» Both STATEMENTS A and B are INCORRECT. Statement A is CORRECT but statement B is incorrect. Both statements A and B are correct but statement B is not the correct explanation of statement A. Both statements A and B are correct and statement B is the correct explanation of statement A. Solution :Statement A is correct but statement B is incorrect.

Discussion

9426.	Question : Read the given statements and select the correct option Statement 1 : Transgenic mouse is termed as super mouse because it its twice bid in size than the normal mouse Statement 2 : In uper mouse the gene for human growth factor has been introduced and expressed
Answer» Both statements 1 and 2are CORRECT Statement 1 is correct but Statement 2 is INCORRECT Statement 1 is incorrect but Statement 2 is correct Both statements 1 and 2 are incorrect Answer :A

Discussion

9427.	Question : Read the given statements and select the correct optionStatement 1: Transgenic mouse is termed as 'super mouse' because it is twice big in size than the normal mouse Statement 2: In 'super mouse', the gene for human growth factor has been introduced and expressed.
Answer» Both statements 1 and 2 are CORRECT and statement 2 is the correct EXPLANATION of statement 1. Both statements 1 and 2 are correct but statement 2 is not the correct explanation of statement 1. Statement 1 is correct and statement 2 is INCORRECT. Both statements 1 and 2 are incorrect. Solution :Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1.

Discussion

9428.	Question : Read the given statements and select the correct option Statement 1 : The transgenic food may cause toxicity and produceallergy in human beings Statement 2 : Thebacteriapresent in alimentary canal of human beings may become resistant to the antibiotics by taking up the antibiotic resistant gene that is present in the GM food.
Answer» Both statements 1 and 2ARE CORRECT STATEMENT 1 is correct but Statement 2 is incorrect Statement 1 is incorrect but Statement 2 is correct BothStatements 1 and 2are incorrect Answer :A

Discussion

9429.	Question : Read the given statements and select the correct option. Statement 1 : Reforestation is the process of restoring a forest that once existed but was removed at some point of time in the past. Statement 2: Reforestation may occur naturally in a deforested area, however it can be speeded up by planting trees with due consideration to biodiversity that earlier existed in that area.
Answer» Both STATEMENTS 1 and 2 are correct. STATEMENT 1 is correct but statement 2 is INCORRECT Statement 1 is incorrect but statement 2 is correct. Both statements 1 and 2 are incorrect. Solution :N//A

Discussion

9430.	Question : Read the given statements and select the correct option Statement 1 : PCR technique is helpful in detecting bacterial and viral diseases even when symptoms of the disease are not yet visible Statement 2 : Very low concentrations of bacteria or viruses in human body can be detected by amplification of their nucleic acids using the PCR technique
Answer» Both statements 1 and 2ARE CORRECT STATEMENT 1 is correct but Statement 2 is incorrect Statement 1 is incorrect but Statement 2 is correct Both statements 1 and 2 are incorrect Answer :A

Discussion

9431.	Question : Read the given statements and select the correct option. Statement 1 : Irrigation without proper drainage of water leads to waterlogging in the soil. Statement 2 : Waterlogging draws salts to the soil surface, which are deposited as a thin crust on the land surface or start collecting at the roots of the plants.
Answer» Both STATEMENTS 1 and 2 are correct. Statement 1 is correct but statement 2 is INCORRECT Statement 1 is incorrect but statement 2 is correct. Both statements 1 and 2 are incorrect. Solution :N//A

Discussion

9432.	Question : Read the given statements and select the correct option Statement 1: PCR technique is helpful in detecting bacterial and viral diseases even when symptoms of the disease are not yet visible.Statement 2 : Very low concentrations of bacteria or viruses in human body can be detected by amplification of their nucleic acid using the PCR technique
Answer» Both statements 1 and 2 are CORRECT and statement 2 is the correct explanation of statement 1. Both statements 1 and 2 are correct but statement 2 is not the correct explanation of statement 1. Statement 1 is correct and statement 2 is INCORRECT. Both statements 1 and 2 are incorrect. Solution :Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1.

Discussion

9433.	Question : Read the given statements and select the correct optionStatement 1: In recombinant DNA technology, human genes are often transferred into bacteria (prokaryotes) or yeasts (eukaryotes).Statement 2: Both bacteria and yeast multiply very fast to form huge populations which express the desired gene.
Answer» Both STATEMENTS 1 and 2 are correct and STATEMENT 2 is the correct explanation of statement 1. Both statements 1 and 2 are correct but statement 2 is not the correct explanation of statement 1. Statement 1 is correct and statement 2 is INCORRECT. Both statements 1 and 2 are incorrect. Solution :Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1.

Discussion

9434.	Question : Read the given statements and select the correct option Statement 1 : GMO tomato 'Flavr Savr' has increased shelf life and better nutrient quality Statement 2 : This is achieved by reducing the amount of cell wall degrading enzyme 'polygalacturonase' responsible for fruit softening.
Answer» Both STATEMENTS 1 and 2ARE correct Statement 1 is correct but Statement 2 is incorrect Statement 1 is incorrect but Statement 2 is correct Both statements 1 and 2 are incorrect Answer :A

Discussion

9435.	Question :Read the given statements and select the correct option. Statement 1: Diaphragms, cervical caps and vaults are made of rubber and are inserted into the female reproductive tract to cover the cervix before coitus. Statement 2: They are chemical barriers of conception and are reusable.
Answer» (a) Both statements 1 and 2 are CORRECT and STATEMENT 2 is the correct EXPLANATION of statement 1 (B) Both statements 1 and 2 are correct but statement 2 is not the correct explanation of statement 1. (c) Statement 1 is correct but statement 2 is incorrect (d) Both statements 1 and 2 are incorrect. Solution :Statement 1 is correct but statement 2 is incorrect.

Discussion

9436.	Question : Read the given statements and select the correct option Statement 1 : Foods derived from transgenic crops are called as GM foods Statement 2 : Health and food safety concerns have been raised to ensure the safety of GM foods.
Answer» Both statements 1 and 2are correct Statement 1 is correct but Statement 2 is INCORRECT Statement 1 is incorrect but Statement 2 is correct BothStatements 1 and 2are incorrect Solution :CROPS in which foreign genes been introduced through GENETIC engineering are called genetically modified crops or GM foods. There have been many health and safety concern, therefore, such foods undergo lots of examination before release.

Discussion

9437.	Question : Read the given statements and select the correct option. Statement 1 : Average temperature of Earth has increased by 0.6^(@)C during the past century. Statement 2 : There has been a progressive increase in the use of fossil fuels generating more greenhouse gases.
Answer» Both statements 1 and 2 are correct. Statement 1 is correct but statement 2 is incorrect Statement 1 is incorrect but statement 2 is correct. Both statements 1 and 2 are incorrect. Solution :The various greenhouse gases are `CO_(2), CH_(4)`, CFCs and `N_(2)O`. Excessive use of FOSSIL fuel is adding more `CO_(2)` to atmosphere. The increase in concentration of greenhouse gases has led to considerable heating of EARTH leading to global WARMING. During the past century, the TEMPERATURE of earth has increased by `0.6^(@)C`.

Discussion

9438.	Question : Read the given statements and select the correct option. Statement A : Cattle do not graze on weeds of Calotropis. Statement B : Calotropis have thorns and spines, as defense against herbivores.
Answer» Both statements A and B are INCORRECT STATEMENT A is correct but statement B is incorrect. Both statements A and B are correct but statement B is not the correct explanation of statement A Both statements A and B are correct and statement B is the correct explanation of statement A. Solution :Statement A is correct but statement B is incorrect

Discussion

9439.	Question : Read the given statements and select the correct option. (i) Loamy soil is best suited for plant growth as it contains a mixture of silt, sand and clay. (ii) The process ofhumification is slow in case of organic remains containing a large amount of lignin and cellulose. (iii) Capillary water is the only water available to plant roots as it is present inside the micropores. (iv) Leaves of shade plant have more total chlorophyll per reaction centre, low ratio of chl a and chl b are usually thinner leaves.
Answer» i, II and III only ii, iii and IV only i, ii and iv only ii and iii only ANSWER :D

Discussion

9440.	Question : Read the given statements and select the correct option. (i) Hydrophytes possess aerenchyma to support themselves in water. (ii)Seeds of Viscum are positively photoblastic as they germinate only in presence of light. (iii) Hygroscopic water is the only soil water available to roots of plant growing in soil as it is present inside the micropores. (iv) High temperature reduces use of water and solute absorption by roots.
Answer» i, II, and III only ii, iii and iv ii and iii only i and ii only ANSWER :B

Discussion

9441.	Question : Read the given statements about properties of genetically modified plants. They exhibit (a) Enhanced nutritional value of food (b) Decreased efficiency of mineral usage by plants. (c) Increased reliance on chemical pesticides (d) Reduced post harvest losses. Which statement is/are correct?
Answer» a, b and d Only a a and d a, b, C, and d Answer :C

Discussion

9442.	Question : Read the given four statements and choose the correct option. a. An alien DNA is linked with the "ori" for multiplication b. Normal E.coli cells do not carry antibiotic resistant genes for tetracycline and ampicilin c. Salmonella typhimurium carry gene for resistance against antibiotic d. An antibiotic resistance gene can be used as a selectable marker or cloning site
Answer» a, B CORRECT but d incorrect a, b and d correct but C incorrect c and d correct but a and b incorrect a, b, c and d are correct Answer :D

Discussion

9443.	Question : Read the following steps of inspiration. A. Increases thoracic volume B. Air moves into lungs C. Contraction in diaphragm and EICM D. Increases pulmonary volume E. Lungs expand F. Decreases the intra pulmonary pressure (IPP) Find out the correct sequence of these steps :-
Answer» A, B, C, D, E, F C, D, A, E, F, B C, A, E, D, F, B C, E, D, A, F, B ANSWER :C

Discussion

9444.	Question : Read the following steps of haemodialysis : (a) Blood is taken out of the patient and is cooled to to 0°C , br(b) Blood is mixed with anti- heparin. br (c) Blood is then pumped to artificial kidney. br(d)Blood is filtered ,br (e) Blood is warm to study temperature and mixed with hera , br(f),which of the mentained steps incorrect reading here amd analysis ?
Answer» (a) & ( E ) (C) & (d) (b) &( e ) (e) & (F) Answer :C

Discussion

9445.	Question : Read the following statements.Statement-A: Balanoglossus has segmented body. Statement-B : Their body is divisible into three distinct regions proboscis, collar and trunk.Choose the correct option
Answer» Both STATEMENTS are CORRECT Statement-A is correct and statement-B is INCORRECT Statement-A is incorrect and statement-B is correct Both statements are incorrect Answer :C

Discussion

9446.	Question : Read the following statements.(a) Algae are primary producers of energy rich compounds . PR (b) Marine algae are producers of hydrocolloids.PR (c) Stipe which is the leaf like photosynthetic organ is found in Ectocarpus.PR(d) Chlamydomonas shows only isogamous type of sexual reproduction.PR(e) Atlantic Ocean's sargasso was named after one of the brown algae.Select the correct option:
Answer» All EXCEPT (B) & (C) All except (a) & © All except (d) All except(c) & (d) ANSWER :D

Discussion

9447.	Question : read the following statements w.r.t. taxonomic aids. (a) monograph contains information of any one taxon. (b) flora provide information for identification of names of various species found in an area. (c) manual gives the actual account of habitat and distribution of various animals of an given area. (d) key contains a set of alternate characters of various plants only. (e) catalogue includes alphabetical arrangement of species of a particular place. select the correct option.
Answer» (a), (B) and (E) (a), (C) and (e) (a) and (e) only (b), (c) and (d) ANSWER :C

Discussion

9448.	Question :read the following statements w.r.t tobacco mosaic virus. (a) it is rod like elongated virus which is 3000 A long and 180 A in diameter. (b)it consists of 2130 capsomeres, arranged helically to form the capsid. (c) its genetic material is dsRNA(d) its RNA consists of 6400 nucleotides (e) Nucleotide Capsomeres ratio is 3: 1.select the correct option
Answer» (a), (B), (C), (d) &(E) (a), (b), (d) & (e) (b), (c), (d) & (e) only(a) & (e) ANSWER :B

Discussion

9449.	Question : Read the following statements w.r.t. pteridophytes (a) they are soil binders (b) first terrestrial plants (c) first tracheophytes (d) dominant phase is differentiated into true stem, leaves and roots (e) sporophyte is an independent plant choose the correct answer.
Answer» a, B, C & d all except d all except b b, c, d & e Answer :C

Discussion

9450.	Question : Read the following statements w.r.t. protista. [(a) They have 80 S cytoplasmic ribosomes., (b) Flagella and cilia have 9+0 pattern of microtubule organization., (c) Ciliary mode of movement is faster than flagellated movement protista., (d) Some protists have mixotrophic nutrition., (e) acellular slime moulds are photosynthetic protozoans.]
Answer» (a),(C) & (E) (a),(c) & (d) (a),(B),(c) & (d) (a), (c) ,(d) &(e) ANSWER :B

Discussion

Explore topic-wise InterviewSolutions in .

Question : Read the statements below and identify the mode of interaction between the species.Tiger eating deer

Question : Read the statements below and identify the mode of interaction between the species.Orchid attached to a tree

Question : Read the statements below and identify the mode of interaction between the species.Mycorrhizal association of fungi and roots of higher plants

Question : Read the statements below and identify the mode of interaction between the species.Egrets foraging close to cattle

Question : Read the statements below and identify the mode of interaction between the species.Lice on humans

Question : Read the statements below and identify the mode of interaction between the species.Human liver fluke feed on snail

Question : Read the statements below and identify the mode of interaction between the species.Butterfly feeding pollen

Question : Read the statements and choose the correct option: A: Sacred grooves are example of in situ conservation. B: Biodiversity hotspots have low degree of endemism.

Question : Read the statements about honey bees I. Daughters of a Queen bee share 3/4th of their genes II. Gametogenesis occurs by mitosis in a Queen bee

Question : Read the statement given below, identify the ones associated with proteins and their digestion in body.

Question : Read the statement and select the correct terminolgy for the same: "Carrying away of inorganic compounds of soil by water".

Question : Read the statement and choose the correct option. The endometrium undergoes cyclical changes during menstrual cycle. Perimetrium exhibits strong contractions during delivery of the baby Myometrium is outer glandular layer which produce hormones.

Question : Read the principle and answer the questions: "Allele frequencies in a population are stable and constant from generation to generation called genetic equilibrium." What is the significance of disturbances occur in the genetic equilibrium ?

Question : Read the principle and answer the questions: "Allele frequencies in a population are stable and constant from generation to generation called genetic equilibrium." Mention any two factors affecting the equilibrium.

Question : Read the graph given above and correlate the uterine events that take place according to the hormonal levels on (i) 6 - 15 days (ii) 16 - 25 days (iii) 26 - 28 days (if the ovum is not fertilised ) (b) Specify the sources of the hormones mentioned in the graph.

Question : Read the principle and answer the questions: "Allele frequencies in a population are stable and constant from generation to generation called genetic equilibrium." Name the principle mentioned here.

Question : Read the graph given beow. Correlate the ovarian events that take place in the human femaek according to the level of the pituitary hormone during the following day. (i) 10th - 14th days (ii) 14th - 15th days (iii) 16th - 23th days (iv) 25th - 29th days (If the ovum is not fertilised)

Question : Read the given statements: Statement A: Aristotle classified plants on the basis of habit and habitat. Statement B: Organisms with loose tissue body organisation where placed in Mychota by Copeland.

Question : Statement A: Cattle do not graze on weeds of Calotropis. Statement B: Calotropis have thorns and spines, as defense against herbivores.

Question : Read the given statements and select the correct option Statement 1 : Transgenic mouse is termed as super mouse because it its twice bid in size than the normal mouse Statement 2 : In uper mouse the gene for human growth factor has been introduced and expressed

Question : Read the given statements and select the correct optionStatement 1: Transgenic mouse is termed as 'super mouse' because it is twice big in size than the normal mouse Statement 2: In 'super mouse', the gene for human growth factor has been introduced and expressed.

Question : Read the given statements and select the correct option Statement 1 : GMO tomato 'Flavr Savr' has increased shelf life and better nutrient quality Statement 2 : This is achieved by reducing the amount of cell wall degrading enzyme 'polygalacturonase' responsible for fruit softening.

Question :Read the given statements and select the correct option. Statement 1: Diaphragms, cervical caps and vaults are made of rubber and are inserted into the female reproductive tract to cover the cervix before coitus. Statement 2: They are chemical barriers of conception and are reusable.

Question : Read the given statements and select the correct option Statement 1 : Foods derived from transgenic crops are called as GM foods Statement 2 : Health and food safety concerns have been raised to ensure the safety of GM foods.

Question : Read the given statements and select the correct option. Statement 1 : Average temperature of Earth has increased by 0.6^(@)C during the past century. Statement 2 : There has been a progressive increase in the use of fossil fuels generating more greenhouse gases.

Question : Read the given statements and select the correct option. Statement A : Cattle do not graze on weeds of Calotropis. Statement B : Calotropis have thorns and spines, as defense against herbivores.

Question : Read the following steps of inspiration. A. Increases thoracic volume B. Air moves into lungs C. Contraction in diaphragm and EICM D. Increases pulmonary volume E. Lungs expand F. Decreases the intra pulmonary pressure (IPP) Find out the correct sequence of these steps :-

Question : Read the following statements.Statement-A: Balanoglossus has segmented body. Statement-B : Their body is divisible into three distinct regions proboscis, collar and trunk.Choose the correct option

Question : Read the following statements w.r.t. pteridophytes (a) they are soil binders (b) first terrestrial plants (c) first tracheophytes (d) dominant phase is differentiated into true stem, leaves and roots (e) sporophyte is an independent plant choose the correct answer.