What is antisense technology?
What is antisense technology?
Options
(a) A cell displaying a foreign antigen used for synthesis of antigens (b) Production of somaclonal variants in tissue cultures (c) When a piece of RNA that is […]
Biology and Human Welfare
In maize, hybrid vigour is exploited by
In maize, hybrid vigour is exploited by
Options
(a) crossing of two inbred parental lines (b) harvesting seeds from the most productive plants (c) inducing mutations (d) bombarding the seeds with DNA
Correct […]
An improved variety of transgenic basmati rice
An improved variety of transgenic basmati rice
Options
(a) does not require chemical fertilizers and growth hormones (b) gives high yield and is rich in vitamin A (c) is completely resistant to all insect […]
Consider the following four statements about food
Consider the following four statements and select the option which includes all the correct ones only. (1) Single cell Spirulina can produce large quantities of food rich in protein, minerals, vitamins etc. (2) Body weight-wise […]
Which one of the following is a case of wrong matching
Which one of the following is a case of wrong matching
Options
(a) Somatic hybridization – Fusion of two diverse cells (b) Vector DNA -Site for t-RNA synthesis (c) Micropropagation – in vitro […]
Tissue culture technique can produce infinite number of new plants
Tissue culture technique can produce infinite number of new plants from a small parental tissue. The economic importance of the technique is in raising
Options
(a) Variants through picking up somaclonal variations (b) […]
In plant breeding programmes, the entire collection (of plants/seeds) having
In plant breeding programmes, the entire collection (of plants/seeds) having all the diverse alleles for all genes in a given crop is called :
Options
(a) cross-hybridisation among the selected parents (b) evaluation […]
Consider four measures (A-D) that could be taken to successfully grow chickpea
Consider the following four measures (A-D) that could be taken to successfully grow chickpea in an area where bacteri blight disease is common A)Spray with Bordeaux mixture B)Control of the insect vector of the disease […]
Which one of the following pairs of organisms are exotic species introduced in India ?
Which one of the following pairs of organisms are exotic species introduced in India ?
Options
(a) Lantana camara, water hyacinth (b) Water hyacinth, Prosopis cinereria (c) Nile perch, Ficus religiosa (d) Ficus […]
The domestic sewage in large cities
The domestic sewage in large cities
Options
(a) has a high BOD as it contains both aerobic and anaerobic bacteria. (b) is processed by aerobic and then anaerobic bacteria in the secondary treatment […]