InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Bio-remediation |
| Answer» Absorption of destruction of toxic chemicals and harmful pollutants with the help of plants and mirco-organisms is called as bio-remediation. | |
| 2. |
Contricutors of green revolution |
| Answer» Dr. M. S. Swaminathan , Dr. Norman borlaug. | |
| 3. |
Blue revolution |
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Answer» (i) Production of various useful acquatic organisms with the help of water is called as blue revolution (ii) Farm ponds and fishes are very common in east asian countries (iii) Along with aquatic plants and animals, fishes and shrimps are also cultivated . (iv) Government of india has vowed to increase the production by encouraging the people for pisciculture by launching Nil-kranti mission- 2016 (NKM-16) program . 50%-100% subsidies are offered in this case . (v) Marine and fresh water fishery is possible on large scale . (vi) Fresh water fishes like rohu , catla and other fishery products like shrimp and lobsters are being cultured on large scale. |
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| 4. |
Genetically modified golden rice variety contains 50 times more amount of Beta carotene. |
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Answer» Correct Answer - F Genetically modified golden rice variety contains 23 times more amount of beta carotene |
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| 5. |
Genetically modified variety of cotton can absorb selenium from the soil. |
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Answer» Correct Answer - F Genetically modified variety of indian mustard can absorb selenium from the soil. |
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| 6. |
Stem cells are present in ……………… .A. Umbilical cordB. Bone marrowC. Adipose connective tissueD. All of the above |
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Answer» Correct Answer - D All of the above |
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| 7. |
Cytology/Cell biology |
| Answer» The study of cell division , structure, types and organelles of the cell is called as cytology / Cell biology | |
| 8. |
Stem cells |
| Answer» Special types of cells present in the body of multicellular organisms, which gives rise to all other types of cells present in the body are called as stem cells. | |
| 9. |
Pleuripotency |
| Answer» Stem cells are primary type of undifferentiated cells with self multiplying abillity and they are parent cells of all types of human cells. This property of stem cells is called as pleuripotency . | |
| 10. |
Label the diagram and answer the question which types of cells are shown in the diagrams? |
| Answer» Stem cells are shown in the diagram | |
| 11. |
Label the diagram and answer the question State any one use of these cells with respect to the disease cured by it. |
| Answer» Diseases like diabetes, myocardial infarction , etc. can be cured by stem cells. | |
| 12. |
Label the diagram and answer the question Define the type of cells. |
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Answer» (i) Stem cell s are special cells pesent in the body of multicellular organisms, formed at the blastocyst stage of embryonic development . (ii) These cells give rise to all other types of cells. |
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| 13. |
Label the diagram and answer the question which cells can be formed due to the cell mentioned in the diagram ? |
| Answer» Stem cell gives rise to neurons, hepatocytes , (liver cells) , osteocytes (bone cells). | |
| 14. |
Label the diagram and answer the question Label the organs in the diagram and name the diagram/ caption. |
| Answer» Organs that can be donated. | |
| 15. |
Alcohol is produced from sugar molasses with the help of ……..yeast |
| Answer» Correct Answer - transgenic | |
| 16. |
Which new species of the rice have been developed in india ? |
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Answer» (i) BPT 2270 (bhavapuri sannalu ) (ii) BTP 2231 (akshaya ) (iii) Pusa 1460 (iv) RPB10226 |
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| 17. |
Which fruits processing industries you observe in your surrounding ? What is their effect? |
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Answer» (i) Fruits processing industries like jam making jelly - making industries are observed in the surrounding . (ii) Fruits processing industries directly have a positive impact on higher productivity, improved quality and safety ( in the farming sector). (iii) It benefits the local farmers. (iv) These industries power the wastage and increase the self life of fruits by involving scientific methods. (v) These industries create employment in rural and semi urban regions and boost rural economy. |
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| 18. |
Which products produced through biotechnology do you use in your daily life? |
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Answer» (i) Biodisel (ii) Household products : washing detergents (iii) Bioplastic (iv) Fabric (v) Personal care products : shampoos, skin care etc. (vi) Food and drink : Flavours , fragrances, sweetners yoghurt , cheese , juicy and pulpy fruits, golden rice, GM crops , bread , vinegar , wine , beer , etc. (vii) Healthcare - vaccines , antibiotics , etc. |
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| 19. |
Explain the impotane of fruit processing in human life . |
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Answer» (i) Fruits are perishable agro - produce. (ii) Fruits contains vitamins, proteins , minerals and dietary fibres. (iii) There is a need to process fruits in order to increase their storage or shelf - life significantly. (iv) Various products are prepared from fruits like chocolates, jams, juices and jellies and are used daily . (v) Fruits processing is done in such a way that it can be used throughout the year. (vi) Explain the meaning of vaccination . |
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| 20. |
Explain the meaning of vaccination. |
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Answer» (i) Vaccine is the antigen containing material given to acquire either permanent or temporary immunity against a specific pathogen or disease. (ii) Traditionally, vaccines were prepared with the help of pathogens which may be completely or partially killed . (iii) However due to this, there were chances of contracting the disease in certain persons. (iv) Hence , as an alternative, scientists have given artificially produced vaccines with the help of biotechnology . (v) A sefer vaccine was produced with the help of gene isolated from the pathogen and an antigen produced from it. (vi) Now, proteins which act as antigens are injected in pure from instead of injecting the killed or semikilled pathogens. ltbgt (vii) These proteins keep the persons away the disease by keeping the immune system active. (viii) Vaccines produced with the help of biotechnology are more thermostable and remain active for longer duration . E.g vaccines of polio, hepatitis etc. (ix) Edible vaccines are produced in combination with transgenic potatoes . these potatoes will act against bacteria like vibro o cholerae and escherichia coli and consumption of such raw potatoes will generate immunity against cholera and various other disease caused by E.coli/ |
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| 21. |
Edible vaccines |
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Answer» (i) Edible vaccines are given as food by incorporating them in food stuff. (ii) Work on production of edible vaccines is in progress and presently, potatoes are being produced with the help of biotechnology. (iii) These potatoes are called as transgenic potatoes. (iv) These potatoes will act against bacteria like vibro cholerac , escherichia coli. (v) Consumption of these raw potatoes generates immunity against cholera and the diseases due to E-coli. |
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| 22. |
Cloning |
| Answer» Production of relplica of any cell or organ or entire organism is called cloning | |
| 23. |
Skin from all parts of the body can be donated. |
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Answer» Correct Answer - F skin from certain parts of the body can be donated |
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| 24. |
A gene synthesizing ……………….has been introduced in golden rice. |
| Answer» Vitamin A (beta carotene) | |
| 25. |
Give 5 examples of each of the fruiting and flowering plants developed through tissue culture and mention their benefits . |
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Answer» Fruits and flowers developed through tissue culture are : Fruits : Pineapple, banana, pomegranate, papaya apple, etc. Flowers : Marigold , rose, shevanti, lily, gerbera daisy, etc. benefit of tissue cultured fruits and flowers : (i) These are almost pest and disease resistant. (ii) Mature plant is obtained in less time. (iii) More plants with desired characteristics like bigger size, colourful fruits and disease resistance, etc. are obtained. (iv) Planting is possible all through the year. (v) Rare and endangered varieties also can be grown by tissue culture. |
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| 26. |
What is tissue? |
| Answer» A group of cells having the same origin, same structure and same function is called as tissue. | |
| 27. |
Which technique in relation to tissue have you studies in earlier classes ? |
| Answer» Tissue culture is the technique studied in earlier classes. | |
| 28. |
Insulin : Diabetes : : Interleukin : ……………….. |
| Answer» Cancer - Insulin is used to treat diabetes , whereas interleukin is used to treat cancer. | |
| 29. |
We have great tradition of …………that cures the diseases with the help of natural sources. |
| Answer» Correct Answer - Ayurveda | |
| 30. |
Just like the grafting in plants, is the organ transplantation possible in human ? |
| Answer» Yes , human organ transplantation is possibel . It is normally the only treatment for end stage of organ failure such as liver and heart. | |
| 31. |
State the uses of stem cells Organ transplantation |
| Answer» In case of failure of organs like kidney and liver, those can be produced with help of stem cells and transplanted. | |
| 32. |
Organ transplantation |
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Answer» (i) Various organs in the human body become less efficient or completely functionless due to various reasons like egeing, accidents , infections, disorderts etc. (ii) Life of such person becomes difficult or fatality may occur and life can be saved when the person gets the necessary organ. (iii) Availability of donor is an important requirement in organ transplantation . (iv) As help process of excretion can occur with the help of single kidney , person can donate the other one. similarly , skin from certain parts of the body can be donated. (v) Various factors like blood group, diseases, disorders, age, etc. of the donor and recipient need to be paid attention during transplantation . (vi) Organs like liver, heart and eyes can be donated after death only , i.e. posthumous donation of body and organs. |
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| 33. |
Availability of …………is an important requirement in organ transplantaion . |
| Answer» Correct Answer - donor | |
| 34. |
Organ and body donation |
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Answer» (i) Many organs remain functional for certain period even after death occurs under specific conditions. (ii) Organ for body donation can save life of other needful persons. (iii) A miserable life can be made comfortable after death. Body can be made available for research in medical studies. (iv) Awareness about these cocepts is increasing in our country and people are voluntarily donating their bodies. (v) Life of many people can be saved by organ and body donation . (vi) Blind can regain the vision. (vii) Life of many people can be rendered comfortable by donation of organs like liver, kidneys, heart, heart-valves ,skin, etc. (viii) Many government and social organisations are working towards increasing awareness about body donation. |
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| 35. |
What are the functons of tissues ? |
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Answer» Funtions of tissues are also based on its types . Connective tissue : function is to give shape to organs and hold them in place . Muscular tissues : cause movement. Epithelial tissues : Protection of external internal organs, absorption of water / nutrients and elimination of waste . Secretion of enzymes and hormones. Nervous tissue : Enables us to respond to stimuli like touch, sound, odour , colour etc. |
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| 36. |
Which are the various processes in tissue culture ? |
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Answer» The various processes used in tissue culture are : (i) Selection of source plant (ii) Removal of bulb corm of source plant. (iii) Primary treatment of the part. (iv) Reproduction and multiplication (v) Shooting and rooting (vi) Primary hardening (vii) secondary hardening. |
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| 37. |
Potatoes which can be used as edible vaccines are called…………… |
| Answer» Transgenic potatoes | |
| 38. |
………..is used is the treatment of viral diseases. |
| Answer» Correct Answer - Interform | |
| 39. |
………..is the antigen containing material given to acquire immunity . |
| Answer» Correct Answer - Vaccine | |
| 40. |
Production of replica of any cell or organ or entire organism is called …………… |
| Answer» Correct Answer - Cloning | |
| 41. |
There is world - wide support to human clothing on various tissues. |
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Answer» Correct Answer - F There is world - wide opposition to human cloning on various issues. |
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| 42. |
Osteocytes : Bone cells : : Hepatocytes ……………. . |
| Answer» Liver cells - Bone cells are also called as osteocytes while liver cells are also called as hepatocytes. | |
| 43. |
………..arises due to genetic changes in hepatocytes (liver cells). |
| Answer» Phenylketonuria | |
| 44. |
……………….. : Dwarfness : : Factor VIII : Hemophilia |
| Answer» Somatostatin - Factor VIII is used for treating condition like haemophilia , whereas somatostatin is used for treating dwarfism. | |
| 45. |
Stem cells are present in the ………………by which the foetus is joined to the uterus of the mother. |
| Answer» umbilical cord | |
| 46. |
Liver , heart, eyes, kidney |
| Answer» Kidney - it can be donated during life time. Other organs can be donated after death only. | |
| 47. |
………….play an impotant role in wound healing . |
| Answer» Correct Answer - Stem cells | |
| 48. |
Cell differentiation starts from ……….day of conception. |
| Answer» Correct Answer - 14th | |
| 49. |
DNA sequence of each person is unique as that of the fingerprints Due to this , identity of any person can be established with the help of its available DNA. This is called DNA fingerprinting. It is mainly useful in forensic science . Identify of the criminal an be established with the help of any part of its body found at the side of crime. Similarly , identity of father of any child can be established . This research is performed in Centre for DNA fingerpriting and Diagnostics , Hyderabad. DNA fingerprinting is mainly used in which stream of science? |
| Answer» DNA fingerprinting is mainly used in forensic science. | |
| 50. |
DNA sequence of each person is unique as that of the fingerprints Due to this , identity of any person can be established with the help of its available DNA. This is called DNA fingerprinting. It is mainly useful in forensic science . Identify of the criminal an be established with the help of any part of its body found at the side of crime. Similarly , identity of father of any child can be established . This research is performed in Centre for DNA fingerpriting and Diagnostics , Hyderabad. What is DNA fingerprinting ? |
| Answer» Establishing identity of a person with the help of its available DNA is called as DNA fingerprinting . | |