(a) | Earthworm | (i) | Pioneer species |
(b) | Succession | (ii) | Detritivore |
(c) | Ecosystem service | (iii) | Natality |
(d) | Population growth | (iv) | Pollination |
List-I (Concepts) | List-II (Explanation) |
---|---|
(A) Standing state | (IV) Amount of mineral nutrients in the soil at a given time |
(B) Secondary productivity | (II) Rate of formation of organic matter by consumers |
(C) Standing crop | (III) Mass of living matter in a trophic level at a given time |
(D) Net primary productivity | (I) Available biomass for the consumption of heterotrophs |
List I | List II | ||
---|---|---|---|
A | Unicellular glandular epithelium | I | Salivary glands |
B | Compound epithelium | II | Pancreas |
C | Multicellular glandular epithelium | III | Goblet cells of alimentary canal |
D | Endocrine glandular epithelium | IV | Moist surface of buccal cavity |
The following diagram shown restriction sites in E. coli cloning vector pBR322. Find the role of ‘X’ and ‘Y’gens :