Identify the correct statements from the below.
(I) The fabulous silk from China and india were carried to European countries.
(II) Today more than 12 countries in the world are practicing sericulture.
(III) India stands third in silk production next to China.
(IV) Only few species of silkworms are used in the sericulture industry.

Identify the correct statements from the below (I). Species is the basic unit of classification. (II). Only one species in the genus is called monotypic genus. (III) More than one species in the genus is called polytypic genus. (IV) Male tiger and female lion results in Liger.

Identify the correct statements from the below i. Catla, Rohu and Mrigal occupy different ecological niches. ii. According to Jordon, in some aquatic environments, lower the temperature, more the vertebrae. iii. Euglena shows phototropism. iv Grasslands are a major source for the logging industry.

Identify the correct statement from the following I) Graphite is used as dry lubricant, as it posses slippary nature II) Diamond is thermodynamically more stable than graphite III) Carbon black, coke, charcoal are impure forms of graphite or fullerenes IV) Diamond is measured in carats and one carat is 200 gm.

Given below are four statements (i)-(iv). Which two of the following statements are correct ? (i) It is estimated that more than 70 percent of the world livestock population is in India and China. (ii) Stringent cleanliness and hygiene (both of the cattle and the handless) are of paramount importance while milking, storage and transport of the milk and products. (iii) Out-breeding is the breeding between animals of the same breed only. (iv) Corsses between different breeds is called inbreeding.