Which one of the following areas in India, is a hot spot of biodiversity?
Eastern Ghats
Gangetic plain
Sunderbans
Sunderbans
The Test-tube Baby Programme employs which one of the following techniques?
Intra cytoplasmic sperm injection (ICSI)
Intra uterine insemination (IUI)
Gamete intra fallopian transfer (GIFT)
Gamete intra fallopian transfer (GIFT)
Which one of the following is a case of wrong matching?
Somatic hybridization - Fusion of two diverse cells
Vector DNA - Site for tRNA synthesis
Micropropagation - In vitro production of plants in large numbers
Micropropagation - In vitro production of plants in large numbers
The Leydig cells as found in the human body are the secretory source of
Progesterone
Intestinal mucus
Glucagon
Glucagon
Cirrhosis of liver is caused by the chronic intake of
opium
alcohol
tobacco(chewing)
tobacco(chewing)
B.
alcohol
The chronic intake of alcohol may be fatal for the individual. On intake, a part of alcohol is changed to acetaldehyde which causes hangover. Acetaldehyde stimulates formation of fat which is deposited on artery walls (causing coronary ailments) and in the liver (causing fatty liver syndrome). Gradually, the liver hardens and dries up as its cells are replaced by fibrous tissue. This kind of liver degeneration is called liver cirrhosis (Laennec's cirrhosis). Excessive use of alcohol may also lead liver failure, liver cell carcinoma, etc.
It is used to ligate introduced DNA in recipient cells
It serves as a selectable marker
It is isolated from a virus
It is isolated from a virus
Given below is the diagrammatic representation of one of the categories of small molecular weight organic compounds in the living tissues. Identify the category shown and the one blank component X in it
Which one of the following microbes forms symbiotic association with plants and helps them in their nutrition?
Azotobacter
Aspergillus
Glomus
Glomus
The extinct human who lived 1,00,000 to 40,000 years ago, in Europe, Asia and parts of Africa, with short stature, heavy eye brows, retreating for heads, large jaws with heavy teeth, stocky bodies, a lumbering gait and stooped posture was
Homo habilis
Neanderthal human
Cro-magnon humans
Cro-magnon humans
If one strand of DNA has the nitrogenous base sequence as ATCTG, what would be the complentary RNA strand sequence?
TTAGU
UAGAC
AACTG
AACTG