What may be the objective of genetic modification of plants?
a) production of disease resistant plants
b) improvement in nutritional quality of plants
c) production of herbicide resistance plants
d) all of these
Exercise:
The most effective method to prevent a disease is…….
a) organ transplant
b) surgery
c) vaccination
d) radiotherapy
If a nitrogen fixing gene from cyanobacteria us successfully inserted in plant root cells…….
a) plant roots will fail to grow
b) plant roots will fix nitrogen
c) plant roots will develop cyanobacteria inside
d) plant roots will cyanobacteria
A genetically modified rice variety with more iron content will help to treat…..
a) anaemia
b) night blindness
c) rickets
d) color blindness
Explanation:Anemia or anaemia (British English) is a blood disorder in which the blood has a reduced ability to carry oxygen due to a lower than normal number of red blood cells, or a reduction in the amount of hemoglobin.
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Night blindness (nyctalopia) is your inability to see well at night or in poor light such as in a restaurant or movie theater. It is often associated with an inability to quickly adapt from a well-illuminated to a poorly illuminated environment.
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Rickets is a condition that affects bone development in children. It causes bone pain, poor growth and soft, weak bones that can lead to bone deformities. Adults can experience a similar condition, which is known as osteomalacia or soft bones.
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If you have color blindness, it means you see colors differently than most people. Most of the time, color blindness makes it hard to tell the difference between certain colors. Usually, color blindness runs in families. There's no cure, but special glasses and contact lenses can help.
Deficiency of insulin in human causes……
a) diabetes
b) heart disease
c) hypertension
d) epilepsy
