A transgenic food crop, which may help in solving the problem of night blindness in developing countries is


A) Flavr savr tomatoes

B) starlink maize

C) Bt soyabean

D) golden rice

Correct Answer:
D) golden rice


Part of solved General Science questions and answers : >> General Science








Comments

No comments available




Similar Questions
1). Insect resistant cotton plant have been genetically engineered by inserting a gene from a
A). virus
B). bacterium
C). insect
D). plant
-- View Answer
2). Study the following statements
1. In Bt cotton, a transgenic plant, Bt refers to Bacillus thuringiensis.
2. Natural genetic engineer is Agrobacterium tumefaciens.
3. In bacteria, plasmid is a extrachromosomal material.
Which of the statement(s) given above is/are true?
A). Only 1
B). Only 2
C). 2 and 3
D). 1, 2 and 3
-- View Answer
3). Match List I with List II and select the correct answer using the codes given below the lists.
List I  List II
A. Process by which bacteria take up pieces of DNA from the environment  1. Transformation
B. Plasmid DNA that has incorporated human DNA  2. Recombinant
C. A gene sequence from more than one vector origin  3. Cloning
D. Recognition sequences   4. Sequences cut by restriction enzymes

Below the Codes are given in A B C D order
A). 1 2 3 4
B). 2 3 4 1
C). 3 4 1 2
D). 4 1 2 3
-- View Answer
4). The method of reproduction of new plants by cells instead of seed is known as
A). tissue culture
B). mutation
C). antibiosis
D). recombination
-- View Answer
5). What is the purpose of the 'restriction enzymes' used in the genetic engineering?
A). Restricts the protein synthesis in cells
B). Cut DNA at specific base sequence
C). Degrade harmful protein
D). Join different DNA fragments
-- View Answer


6). By using which one of the following techniques, is DNA fingerprinting done?
A). ELISA
B). RIA
C). Northern blotting
D). Southern blotting
-- View Answer
7). Consider the following statements
1. Introduction of foreign genes for improving genotype is genetic engineering.
2. Genetically engineered human insulin is manufactured by the use of E. coli.
3. Advancement in genetic engineering has been possible due to discovery of restriction endonuclease.
4. First hormone prepared by genetic engineering is insulin.
Which of the statements given above are correct about genetic engineering?
A). 1, 2, 3 and 4
B). 1, 2 and 3
C). 1 and 2
D). 1, 3 and 4
-- View Answer
8). Study the following statements
1. The first transgenic crop was tobacco.
2. A DNA library constitutes a collection of all the DNA fragments of an organism inserted in plasmid.
3. Restriction fragment length polymorphism method is used to distinguish DNA of one individual from another.
4. Agrobacterium tumefaciens is used extensively for genetic engineering in plant.
Which of the statements given above are true?
A). 2 and 3
B). 1, 2 and 3
C). 1 and 2
D). None of the above
-- View Answer
9). What is the purpose of restriction enzymes used in genetic engineering?
A). Restricts the protein synthesis in cells
B). Cuts DNA at specific base sequence
C). Degrade harmful proteins
D). Join different DNA fragments
-- View Answer
10). Consider the following statements
1. Golden rice is vitamin-A rich.
2. Replacement of faulty gene by normal gene is called gene therapy.
3. Transgenic organism carrying introduced foreign gene also called genetically modified organism.
Which of the statements given above are true?
A). 1 and 2
B). 2 and 3
C). 1 and 3
D). 1, 2 and 3
-- View Answer