The Ti plasmid is often used for making transgenic plants. This plasmid is found in
Azotobacter
Rhizobium of the roots of leguminous plants
Agrobacterium
Yeast as a 2µm plasmid
Introduction of food plants developed by genetic engineering is not desirable because
economy of developing countries may suffer
these products are less tasty as compared to the already existing products.
this method is costly
There is a danger of introduction viruses and toxins with introduced crops
An important step in the manufacture of pulp for paper industry from the woody tissues of palnt is the
preparation of pure cellulose by removing lignin
removal of oils present in the wood by treatment with suitable chemicals
removal of water from the wood by prolonged heating at approximately 500C
treatment of wood with chemical that breakdown cellulose
Which one thing is not true about antibiotics?
The term “antibiotic” was coined by Selman Waksman in 1942
First antibiotic was discovered by Alexander Flemming
Each antibiotic is effective only against one particular kind of germ
Some persons can be allergic to a particular antibiotic
Consider the following statements about biomedical technologiesa. During open heart surgery blood is circulated in the heart-lung machineb. Blockage in coronary arteries is removed by angiographyc. Computerized Axial Tomography (CAT) shows detailed internal structure as seen in a section of body.d. X-ray provides clear and detailed images of organs like prostate glands and lungsWhich two of the above statements are correct?
B and D
C and D
A and C
A and B
Human insulin is being commercially produced from a transgenic species of
Escherichia
Mycobacterium
Rhizobium
Saccharomyces
Main objective of production/ use of herbicide resistant GM crops is to
eliminate weeds from the field without the use of manual labour
eliminate weeds from the field without the use of herbicides
encourage eco-friendly herbicides
reduce herbicide accumulation in food particles for health safety
The technique of obtaining large number of plantlets by tissue culture method is called
plantlet culture
organ culture
micro-propagation
macro-propagation
Which one of the following is being tried in India as a biofuel substitute for fossil fuels?
Jatropha
Azadirachta
Musa
Aegilops
Which of the following plant species you would select for the production of bioethanol?
Brassica
Zea mays
Pongamia
