NEET 2022

If a colour blind female marries a man whose mother was also colour blind, what are the chances of her progeny having colour blindness?

Ten $E.\ coli$ with $^{15}N$-dsDNA are incubated in medium containing $^{14}N$ nucleotide. After 60 minutes, how many $E.\ coli$ cells will have DNA totally free from $^{15}N$?

The recombination frequency between the genes a & c is 5%, b & c is 15%, b & d is 9%, a & b is 20%, c & d is 24% and a & d is 29%. What will be the sequence of these genes on a linear chromosome?

Which of the following statements is not true?

Select the incorrect statement with respect to acquired immunity.

Which of the following is not a desirable feature of a cloning vector?

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

Given below are two statements: Statement I: In a scrubber the exhaust from the thermal plant is passed through the electric wires to charge the dust particles. Statement II: Particulate matter (PM 2.5) can not be removed by scrubber but can be removed by an electrostatic precipitator. In the light of the above statements, choose the most appropriate answer from the options given below.