The basic unit of animal population which is communal interbreeding, in a species is known as
Cline
Sub-species
Sibling species
Deme
Which of the following is the most acceptable method determining the age of recent fossils
The cranial capacity of modern man is
Organic compounds first evolved in earth required for origin of life were
Which of the following diseases are known to becaused by viruses? (In this item one or more of the answers given may be correct. Decide which are correct and mark the answer sheet according to the code)
$1.$ Burkitt's lymphoma
$2.$ Adult $T-$ cell leukemia
$3.$ Phenyl ketonuriaCode