Asseriton: Insect resistant transgenic cotton has been produced by inserting Bt gene Reason The Bt gene is derived form a bacterium

Asseriton: Insect resistant transgenic cotton has been produced by inserting Bt gene Reason The Bt gene is derived form a bacterium
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Asseriton: Insect resistant transgenic cotton has been produced by inserting Bt gene Reason The Bt ... If both the assertion and reason are false
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Bt cotton variety that was developed by the introduction of toxin gene of Bacillus thuringiensis (Bt) is resistant to (a) insect pests (b) fungal diseases (c) plant nematodes (d) insect predators.

Description : Bt cotton variety that was developed by the introduction of toxin gene of Bacillus thuringiensis (Bt) is resistant to (a) insect pests (b) fungal diseases (c) plant nematodes (d) insect predators.

Last Answer : (a) insect pests

Bt cotton is resistant to bollworm, it is due to (a) Bt is repellent to bollworm(b) Bt is contact poison for bollworm (c) Bt is stomach poison; it changes the permeability of stomach due to generation of pores in alkaline environment of stomach (d) Bt is causing death due to asphagsiation of insect

Description : Bt cotton is resistant to bollworm, it is due to (a) Bt is repellent to bollworm(b) Bt is contact poison for bollworm (c) Bt is stomach poison; it changes the permeability of stomach due to generation of pores in alkaline environment of stomach (d) Bt is causing death due to asphagsiation of insect

Last Answer : (c) Bt is stomach poison; it changes the permeability of stomach due to generation of pores in alkaline environment of stomach

Bacillus thuringiensis forms protein crystals which contain insecticidal protein. This protein (a) binds with epithelial cells of midgut of the insect pest ultimately killing it (b) is coded by several genes including the gene cry (c) is activated by acid pH of the foregut of the insect pest (d) does not kill the carrier bacterium which is itself resistant to this toxin.

Description : Bacillus thuringiensis forms protein crystals which contain insecticidal protein. This protein (a) binds with epithelial cells of midgut of the insect pest ultimately killing it (b) is coded by several ... pest (d) does not kill the carrier bacterium which is itself resistant to this toxin.

Last Answer : (a) binds with epithelial cells of midgut of the insect pest ultimately killing it

An improved variety of transgenic basmati rice (a) does not require chemical fertilizers and growth hormones (b) gives high yield and is rich in vitamin A (c) is completely resistant to all insect pests and diseases of paddy (d) gives high yield but has no characteristic aroma.

Description : An improved variety of transgenic basmati rice (a) does not require chemical fertilizers and growth hormones (b) gives high yield and is rich in vitamin A (c) is completely resistant to all insect pests and diseases of paddy (d) gives high yield but has no characteristic aroma.

Last Answer : (b) gives high yield and is rich in vitamin A

In Bt cotton, the Bt toxin present in plant tissue as protoxin is converted into active toxin due to(a) action of gut microorganisms (b) presence of conversion factors in insect gut (c) alkaline pH of the insect gut (d) acidic pH of the insect gut.

Description : In Bt cotton, the Bt toxin present in plant tissue as protoxin is converted into active toxin due to (a) action of gut microorganisms (b) presence of conversion factors in insect gut (c) alkaline pH of the insect gut (d) acidic pH of the insect gut.

Last Answer : (c) alkaline pH of the insect gut

Bt cotton is resistant against the pest

Description : Bt cotton is resistant against the pest

Last Answer : Ans.Helicoverpa (Spotted bollworm) 19. Jute

Among the herbicide resistant crops, which crop was the most dominant transgenic crops in 2010 a).Soybean b). Cotton c). Maize d).Sugarbeet

Description : Among the herbicide resistant crops, which crop was the most dominant transgenic crops in 2010 a).Soybean b). Cotton c). Maize d).Sugarbeet

Last Answer : a).Soybean

Match the following columns and select the correct option. Column-I Column-II (A) Bt cotton (i) Gene therapy (B) Adenosine (ii) Cellular defence deaminase deficiency (C) RNAi (iii) Detection of HIV infection (D) PCR (iv) Bacillus thuringiensis (A) (B) (C) (D) (a) (iv) (i) (ii) (iii) (b) (iii) (ii) (i) (iv) (c) (ii) (iii) (iv) (i) (d) (i) (ii) (iii) (iv)

Description : Match the following columns and select the correct option. Column-I Column-II (A) Bt cotton (i) Gene therapy (B) Adenosine (ii) Cellular defence deaminase deficiency (C) RNAi (iii) Detection of HIV infection (D) PCR (iv) Bacillus ... (i) (iv) (c) (ii) (iii) (iv) (i) (d) (i) (ii) (iii) (iv)

Last Answer : (a) (iv) (i) (ii) (iii)

A transgenic food crop which may help in solving the problem of night blindness in developing countries is (a) Bt soybean (b) Golden rice (c) Flavr Savr tomatoes (d) Starlink maize.

Description : A transgenic food crop which may help in solving the problem of night blindness in developing countries is (a) Bt soybean (b) Golden rice (c) Flavr Savr tomatoes (d) Starlink maize.

Last Answer : b) Golden rice

Consider the following statements (A–D) about organic farming. (A) Utilizes genetically modified crops like Bt cotton (B) Uses only naturally produced inputs like compost (C) Does not use pesticides and urea (D) Produces vegetables rich in vitamins and minerals Which of the above statements are correct? (a) B, C and D (b) C and D only (c) B and C only (d) A and B only

Description : Consider the following statements (A-D) about organic farming. (A) Utilizes genetically modified crops like Bt cotton (B) Uses only naturally produced inputs like compost (C) Does not use pesticides and urea (D) Produces vegetables ... C and D (b) C and D only (c) B and C only (d) A and B only

Last Answer : (c) B and C only

A genetically engineered form of brinjal known as the BT brinjal has been developed. The objective of this is (1) to make it pest resistant (2) to improve its taste and nutritive value (3) to make it drought resistant (4) to make its shelflife longer

Description : A genetically engineered form of brinjal known as the BT brinjal has been developed. The objective of this is (1) to make it pest resistant (2) to improve its taste and nutritive value (3) to make it drought resistant (4) to make its shelflife longer

Last Answer : (1) to make it pest resistant Explanation: Bt Brinjal is a genetically modified (GM) crop created by inserting Cry lAc gene from the soil bacterium Bacillus thuringiensis into Brinjal. The ... like the Brinjal Fruit and Shoot Borer (Leucinodes orbonalis) and Fruit Borer (Hell-coverpa armigera).

A genetically engineered form of brinjal known as the BT brinjal has been developed. The objective of this is (1) to make it pest resistant (2) to improve its taste and nutritive value (3) to make it drought resistant (4) to make its shelflife longer

Description : A genetically engineered form of brinjal known as the BT brinjal has been developed. The objective of this is (1) to make it pest resistant (2) to improve its taste and nutritive value (3) to make it drought resistant (4) to make its shelflife longer

Last Answer : to make it pest resistant

Silencing of mRNA has been used in producing transgenic plants resistant to (a) boll worms (b) nematodes (c) white rusts (d) bacterial blights.

Description : Silencing of mRNA has been used in producing transgenic plants resistant to (a) boll worms (b) nematodes (c) white rusts (d) bacterial blights.

Last Answer : (b) nematodes

What is true about Bt toxin? (a) Bt protein exists as active toxin in the Bacillus. (b) The activated toxin enters the ovaries of the pest to sterilise it and thus prevent its multiplication. (c) The concerned Bacillus has antitoxins. (d) The inactive protoxin gets converted into active form in the insect gut.

Description : What is true about Bt toxin? (a) Bt protein exists as active toxin in the Bacillus. (b) The activated toxin enters the ovaries of the pest to sterilise it and thus prevent its multiplication. ... Bacillus has antitoxins. (d) The inactive protoxin gets converted into active form in the insect gut.

Last Answer : (d) The inactive protoxin gets converted into active form in the insect gut.

The bacterium Deinococcus radiodurans has been of interest to molecular biologists because a. it has the smallest known bacterial genome. b. it is a "living fossil" linking the Bacteria and Archaea. c. it has the largest known bacterial genome. d. it is very resistant to radiation damage.

Description : The bacterium Deinococcus radiodurans has been of interest to molecular biologists because a. it has the smallest known bacterial genome. b. it is a "living fossil" linking the Bacteria and Archaea. c. it has the largest known bacterial genome. d. it is very resistant to radiation damage.

Last Answer : d. it is very resistant to radiation damage.

Cultivation of Bt Cotton has been much in the news . The prefix "Bt" means

Description : Cultivation of Bt Cotton has been much in the news . The prefix "Bt" means

Last Answer : Cultivation of Bt Cotton has been much in the news . The prefix "Bt" means A. ... ligases D. carrying an endotoxin gene from bacillus thuringiensis

Golden rice is a transgenic crop of the future with the following improved trait (a) insect resistance (b) high lysine (essential amino acid) content (c) high protein content (d) high vitamin-A content.

Description : Golden rice is a transgenic crop of the future with the following improved trait (a) insect resistance (b) high lysine (essential amino acid) content (c) high protein content (d) high vitamin-A content.

Last Answer : (d) high vitamin-A content.

The first non-transgenic HRC such as triaz ine resistant canola was developed in a). 1995 b). 2000 c). 1997 d). 1984

Description : The first non-transgenic HRC such as triaz ine resistant canola was developed in a). 1995 b). 2000 c). 1997 d). 1984

Last Answer : d). 1984

Transgenic herbicide resistant crops were developed using a).Conventional breeding b).Genetic engenering c).None d).Both

Description : Transgenic herbicide resistant crops were developed using a).Conventional breeding b).Genetic engenering c).None d).Both

Last Answer : d).Both

Non transgenic herbicide resistant crops were developed using a).Conventional breeding b).Genetic engineering c).None of the above d).Both

Description : Non transgenic herbicide resistant crops were developed using a).Conventional breeding b).Genetic engineering c).None of the above d).Both

Last Answer : a).Conventional breeding

Triazine resistant canola is example of a).Transgenic b). Non transgenic c). Both d). None of the above

Description : Triazine resistant canola is example of a).Transgenic b). Non transgenic c). Both d). None of the above

Last Answer : b). Non transgenic

Herbicide resistant crops are called as a).Transgenic b). Non transgenic c). Both transgenic and non trans genic d). None of the above

Description : Herbicide resistant crops are called as a).Transgenic b). Non transgenic c). Both transgenic and non trans genic d). None of the above

Last Answer : c). Both transgenic and non trans genic

What does bt stand for why would someone want this gene in a crop plant?

Description : What does bt stand for why would someone want this gene in a crop plant?

Last Answer : What is the answer ?

Transgenic animals may be prepared by introducing a foreign gene into (A) Somatic cells of young animals (B) Testes and ovaries of animals (C) A viral vector and infecting the animals with the viral vector (D) Fertilised egg and implanting the egg into a foster mother

Description : Transgenic animals may be prepared by introducing a foreign gene into (A) Somatic cells of young animals (B) Testes and ovaries of animals (C) A viral vector and infecting the animals with the viral vector (D) Fertilised egg and implanting the egg into a foster mother

Last Answer : Answer : D

Which of the following techniques ar used to create transgenic crops? a. Budding and Grafting in fruit plants b. Cytoplasmic male sterility c. Gene slicing d. Only 1 e. Both 1 and 2 f. Both 2 and 3 g. Both 1 and 3

Description : Which of the following techniques ar used to create transgenic crops? a. Budding and Grafting in fruit plants b. Cytoplasmic male sterility c. Gene slicing d. Only 1 e. Both 1 and 2 f. Both 2 and 3 g. Both 1 and 3

Last Answer : f. Both 2 and 3

A transgenic organism is one that _____. a. Has Donated A DNA Fragment To Another Organism. b. Contains A Gene From Another Organism. c. Contains Useless "Genetic Debris." d. Has Exchanged Gene Loci Within The Organism.

Description : A transgenic organism is one that _____. a. Has Donated A DNA Fragment To Another Organism. b. Contains A Gene From Another Organism. c. Contains Useless "Genetic Debris." d. Has Exchanged Gene Loci Within The Organism.

Last Answer : b. Contains A Gene From Another Organism.

Polio is caused by - (1) Bacterium (2) Fungus (3) Virus (4) Insect

Description : Polio is caused by - (1) Bacterium (2) Fungus (3) Virus (4) Insect

Last Answer : (3) Virus Explanation: Poliomyelitis , often called polio or infantile paralysis, is an acute, viral, infectious disease spread from person to person, primarily via the fecal-oral route.

Polio is caused by (1) Bacterium (2) Fungus (3) Virus (4) Insect

Description : Polio is caused by (1) Bacterium (2) Fungus (3) Virus (4) Insect

Last Answer : Virus

Bt cotton is

Description : Bt cotton is

Last Answer : Bt cotton is A. Transgenic plant B. Mutated plant C. Cloned plant D. Hydrid plant

Study statement a-d (about organic farming) and find out the correct ones. (a) Utilises genetically modified crops like Bt cotton (b) Uses only natura

Description : Study statement a-d (about organic farming) and find out the correct ones. (a) Utilises genetically modified crops like Bt cotton (b) Uses only natura

Last Answer : Study statement a-d (about organic farming) and find out the correct ones. (a) Utilises genetically modified crops ... . a and b only D. b and c only

Bt genes are introduced in cotton against the pest

Description : Bt genes are introduced in cotton against the pest

Last Answer : Ans. Cotton Bollworm

Bt seed is associated with - (1) Rice (2) Wheat (3) Cotton (4) Oil seeds

Description : Bt seed is associated with - (1) Rice (2) Wheat (3) Cotton (4) Oil seeds

Last Answer : (3) Cotton Explanation: Cotton is the most popular of the Bt crops: it was planted on about 1 .8 million acres (728437 ha) in 1996 and 1997. The Bt gene was isolated and transferred ... genetically into the cotton seeds, protects the plants from bollworm (A. lepidoptora), a major pest of cotton.

Write a note on BT Cotton.

Description : Write a note on BT Cotton.

Last Answer : BT Cotton is a genetically modified or transgenic plant. It is a new variety in which a gene isolated from a bacterium called Bacillus thuringiensis has been newly introduced. The gene us responsible for producing a toxin which can kill the boll worm that attack the cotton plants.

Select the correct statement about biodiversity. (a) The desert areas of Rajasthan and Gujarat have a very high level of desert animal species as well as numerous rare animals. (b) Large scale planting of Bt cotton has no adverse effect on biodiversity. (c) Western ghats have a very high degree of species richness and endemism. (d) Conservation of biodiversity is just a fad pursued by the developed countries.

Description : Select the correct statement about biodiversity. (a) The desert areas of Rajasthan and Gujarat have a very high level of desert animal species as well as numerous rare animals. (b) Large scale ... and endemism. (d) Conservation of biodiversity is just a fad pursued by the developed countries.

Last Answer : (c) Western ghats have a very high degree of species richness and endemism.

Some of the characteristics of Bt cotton are (a) long fibre and resistance to aphids (b) medium yield, long fibre and resistance to beetle pests (c) high yield and production of toxic protein crystals which kill dipteran pests (d) high yield and resistance to bollworms.

Description : Some of the characteristics of Bt cotton are (a) long fibre and resistance to aphids (b) medium yield, long fibre and resistance to beetle pests (c) high yield and production of toxic protein crystals which kill dipteran pests (d) high yield and resistance to bollworms.

Last Answer : (d) high yield and resistance to bollworms.

Which of the following Bt crops is being grown in India by the farmers? (a) Brinjal (b) Soybean (c) Maize (d) Cotton

Description : Which of the following Bt crops is being grown in India by the farmers? (a) Brinjal (b) Soybean (c) Maize (d) Cotton

Last Answer : (d) Cotton

Which one of the following is an example of carrying out biological control of pests/diseases using microbes? (a) Trichoderma sp. against certain plant pathogens. (b) Nucleopolyhedrovirus against white rust in Brassica. (c) Bt-cotton to increase cotton yield. (d) Lady bird beetle against aphids in mustard.

Description : Which one of the following is an example of carrying out biological control of pests/diseases using microbes? (a) Trichoderma sp. against certain plant pathogens. (b) Nucleopolyhedrovirus against white rust ... c) Bt-cotton to increase cotton yield. (d) Lady bird beetle against aphids in mustard.

Last Answer : (a) Trichoderma sp. against certain plant pathogens.

The area under Bt – cotton in India is about (A) 6.4 mha (B) 5.4 mha (C) 4.4 mha (D) 3.4 mha

Description : The area under Bt – cotton in India is about (A) 6.4 mha (B) 5.4 mha (C) 4.4 mha (D) 3.4 mha

Last Answer : (A) 6.4 mha

In India Bt cotton is released for commercial cultivation in the year — a. 2000 b. 2002 c. 2006 d. 2009

Description : In India Bt cotton is released for commercial cultivation in the year — a. 2000 b. 2002 c. 2006 d. 2009

Last Answer : b. 2002

Which one of the following is an example of carrying out biological control of pests/diseases using microbes ? (1) Lady bird beetle against aphids in mustard (2) Trichoderma sp. against certain plant pathgens (3) Nucleopolyhedrovirus against white rust in Brassica (4) Bt-cotton to increase cotton yield

Description : Which one of the following is an example of carrying out biological control of pests/diseases using microbes ? (1) Lady bird beetle against aphids in mustard (2) Trichoderma sp. against ... pathgens (3) Nucleopolyhedrovirus against white rust in Brassica (4) Bt-cotton to increase cotton yield

Last Answer : (2) Trichoderma sp. against certain plant pathgens

Bt seed is associated with (1) Rice (2) Wheat (3) Cotton (4) Oil seeds

Description : Bt seed is associated with (1) Rice (2) Wheat (3) Cotton (4) Oil seeds

Last Answer : Cotton

The first transgenic crop was (a) tobacco (b) cotton (c) pea (d) flax.

Description : The first transgenic crop was (a) tobacco (b) cotton (c) pea (d) flax.

Last Answer : (a) tobacco

Which of the following crops has the largest area under transgenic globally? (A) Cotton (B) Soybean (C) Tobacco (D) Maize

Description : Which of the following crops has the largest area under transgenic globally? (A) Cotton (B) Soybean (C) Tobacco (D) Maize

Last Answer : (B) Soybean

Transgenic crop having maximum cultivated area in the world is (A) Maize (B) Rice (C) Soybean (D) Cotton

Description : Transgenic crop having maximum cultivated area in the world is (A) Maize (B) Rice (C) Soybean (D) Cotton

Last Answer : (C) Soybean

Ability of a gene to express more than one characters is called Pleiotropy. ! The occurance of a bacterium in more than one morphological forms is cal

Description : Ability of a gene to express more than one characters is called Pleiotropy. ! The occurance of a bacterium in more than one morphological forms is cal

Last Answer : Ability of a gene to express more than one characters is called Pleiotropy. ! The occurance of a bacterium ... wrong D. If both As and R are wrong.

In genetic engineering, a DNA segment (gene) of interest, is transferred to the host cell through a vector. Consider the following four agents (i-iv) in this regard and select the correct option about which one or more of these can be used as a vector/vectors. (i) Bacterium (ii) Plasmid (iii)Plasmodium (iv) Bacteriophage (a) (i), (ii) and (iv) (b) (i) only (c) (i) and (iii) (d) (ii) and (iv)

Description : In genetic engineering, a DNA segment (gene) of interest, is transferred to the host cell through a vector. Consider the following four agents (i-iv) in this regard and select the correct option about which one or more of these ... ii) and (iv) (b) (i) only (c) (i) and (iii) (d) (ii) and (iv)

Last Answer : (d) (ii) and (iv)

Consider the following four measures (A-D) that could be taken to successfully grow chickpea in an area where bacterial blight disease is common. (A) Spray with Bordeaux mixture (B) Control of the insect vector of the disease pathogen (C) Use of only disease-free seeds (D) Use of varieties resistant to the disease Which two of the above measures can control the disease? (a) (C) and (D) (b) (A) and (D) (c) (B) and (C) (d) (A) and (B)

Description : Consider the following four measures (A-D) that could be taken to successfully grow chickpea in an area where bacterial blight disease is common. (A) Spray with Bordeaux mixture (B) Control of the insect vector of the disease pathogen (C) ... (D) (b) (A) and (D) (c) (B) and (C) (d) (A) and (B)

Last Answer : (b) (A) and (D)

The charge flowing through a resistance `R` varies with time `t as Q = at - bt^(2)`. The total heat produced in `R` is

Description : The charge flowing through a resistance `R` varies with time `t as Q = at - bt^(2)`. The total heat produced in `R` is

Last Answer : The charge flowing through a resistance `R` varies with time `t as Q = at - bt^(2)`. The total heat produced in `R` ... (3)R)/(b)` D. `(a^(3)R)/(6b)`

Read the following four statements (A-D) about certain mistakes in two of them. (A) The first transgenic buffalo, Rosie produced milk which was human alpha-lactalbumin enriched. (B) Restriction enzymes are used in isolation of DNA from other macromolecules. (C) Downstream processing is one of the steps of rDNA technology. (D) Disarmed pathogen vectors are also used in transfer of rDNA into the host. Which of the two statements have mistakes? (a) B and C (b) C and D (c) A and C (d) A and B

Description : Read the following four statements (A-D) about certain mistakes in two of them. (A) The first transgenic buffalo, Rosie produced milk which was human alpha-lactalbumin enriched. (B) Restriction enzymes are used in isolation of DNA ... mistakes? (a) B and C (b) C and D (c) A and C (d) A and B

Last Answer : (d) A and B

Human insulin is being commercially produced from a transgenic species of (a) Rhizobium (b) Saccharomyces (c) Escherichia (d) Mycobacterium

Description : Human insulin is being commercially produced from a transgenic species of (a) Rhizobium (b) Saccharomyces (c) Escherichia (d) Mycobacterium

Last Answer : (c) Escherichia