Read the following four
statements (A to 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.
Study the four statements
(1 to 4) given below and select the two correct ones out of them.
A) A lion eating a deer
and a sparrow feeding on grain are ecologically similar in being consumers.
B) Predator star fish
Pisaster helps in maintaining species diversity of some invertebrates.
C) Predators ultimately
lead to the extinction of prey species.
D) Production of
chemicals such as nicotine, strychnine by the plants is metabolic disorders.