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Read the following four statements (A-D)...

Read the following four statements (A-D)
A. The first transgenic buffalo, Roise 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 step 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

Text Solution

Verified by Experts

The correct Answer is:
D
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Read statements a-d. Which two of them have mistakes (a) First transgenic buffalo Roise 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

Read the following statements and select the incorrect ones. (i) When the transformed cells on agar plates containing ampicillin are spread, both transformed and untransformed cells with grow. (ii) Restriction enzymes are used in isolation and separation of DNA from other macromolecules. (iii) Downstream processing is one of the steps of rDNA technology. (iv) Disarmed pathogen vectors are also used in transfer of rDNA into the host.

Read of following statements and find out the incorrect statement(s). a. Genetics deals with the inheritance, as well as variation of characters from parents to offspring. b. Variation is the process by which characters are passed on from parent to progeny. c. Inheritance is the basis of heredity. d. Inheritance is the degree by which progeny differ from their parents. e. Human knew from as early as 8000-10000 B.C. that one of the causes of variation was hidden in sexual reproduction

Read the following statements carefully and answer the given question. Cocoa and chocolate products have been used as medicine in various cultures for many centuries. Chocolate is sourced from plants, which it contains many of the health benefits of leafy vegetables . Which of the following statements weakens the above argument? large number of antioxidants which slow the process. revealed that regular intake of chocolate increases thus lowering the chances of diabetes . (D ) Green leafy vegetables have substances which protect skin from UV rays. (D ) Chocolates have three types of the fats one of which increases the level of bad cholesterol.

NCERT FINGERTIPS-PRACTICE PAPERS-Practice paper
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