NEET Zoology Biotechnology Applications Class 12 Questions

Match List I with List II:

Given below are two statements : Statement I : Transfer RNAs and ribosomal RNA do not interact with mRNA. Statement II : RNA interference (RNAi) takes place in all eukaryotic organisms as a method of cellular defence. In the light of the above statements, choose the most appropriate answer from the options given below :

Which of the following genetically engineered organisms was used by Eli Lilly to prepare human insulin?

Silencing of specific mRNA is possible via RNAi because of -

Given below are two statements: Statement I: Bt toxins are insect group specific and coded by a gene cry IAc. Statement II: Bt toxin exists as inactive protoxin in B. thuringiensis. However, after ingestion by the insect the inactive protoxin gets converted into active form due to acidic pH of the insect gut. In the light of the above statements, choose the correct answer from the options given below:

The “Ti plasmid” of Agrobacterium tumefaciens stands for

Match List I with List II :

In gene therapy of Adenosine Deaminase (ADA) deficiency, the patient requires periodic infusion of genetically engineered lymphocytes because:

Statements related to human Insulin are given below. Which statement(s) is/are correct about genetically engineered Insulin? i. Pro-hormone insulin contain extra stretch of C⁻peptide ii. A⁻peptide and B⁻peptide chains of insulin were produced separately in E.coli, extracted and combined by creating disulphide bond between them. iii. Insulin used for treating Diabetes was extracted from Cattles and Pigs. iv. Pro-hormone Insulin needs to be processed for converting into a mature and functional hormone. v. Some patients develop allergic reactions to the foreign insulin.

When gene targeting involving gene amplification is attempted in an individual’s tissue to treat disease, it is known as:

With regard to insulin choose correct options. (a) C⁻peptide is not present in mature insulin. (b) The insulin produced by rDNA technology has C⁻peptide. (c) The pro-insulin has C⁻peptide. (d) A⁻peptide and B⁻peptide of insulin are interconnected by disulphide bridges.

For effective treatment of the disease, early diagnosis and understanding its pathophysiology is very important. Which of the following molecular diagnostic techniques is very useful for early detection?

The Adenosine deaminase deficiency results into:

Match the following columns and select the correct option.

Match the organism with its use in biotechnology.

Bt cotton variety that was developed by the introduction of toxin gene of Bacillus thuringiensis (Bt) is resistant to:

What triggers activation of protoxin to active Bt toxin of the Bacillus thuringiensis in boll worm?

Which of the following is TRUE for Golden rice?

Select the CORRECT group of biocontrol agents.

World Ozone Day is celebrated on

Which of the following is commonly used as a vector for introducing a DNA fragment in human lymphocytes?

In India, the organisation responsible for assessing the safety of introducing genetically modified organisms for public use is

The two polypeptides of human insulin are linked together by

The crops engineered for glyphosate are resistant/tolerant to

Which body of the Government of India regulates GM research and safety of introducing GM organisms for public services?

The UN Conference of Parties on climate change in the year 2011 was held in

The first human hormone produced by recombinant DNA technology is

RNA interference involves :-