The Tetrazolium (TZ) test (2,3,5-triphenyl tetrazolium chloride) is a biochemical test used to determine seed viability by staining living, respiring tissues red (formazan formation). Option analysis: (A) Germinability requires actual germination testing in germinators. (B) Seed viability is directly tested by TZ staining of living embryo tissues. (C) Seed moisture content is measured using oven drying methods. (D) Physical purity is evaluated by separation of pure seed fraction.

The National Action Plan on Climate Change (NAPCC) launched in $2008$ encompasses eight national missions: Solar, Enhanced Energy Efficiency, Sustainable Habitat, Water, Sustaining the Himalayan Ecosystem, Green India, Sustainable Agriculture, and Strategic Knowledge for Climate Change. All four listed missions are integral components. Option analysis: (A) All four missions (i), (ii), (iii), and (iv) are included in NAPCC. (B) Omits mission (i). (C) Omits missions (i) and (ii). (D) Omits missions (ii) and (iv).

Stumpage value is the commercial value of standing trees prior to felling, representing the price paid for the right to harvest timber from a forest land. Option analysis: (A) Stumpage Value is the exact economic term for the value of standing uncut timber. (B) Timber Value is a generic term. (C) Salvage Value is the value of an asset at the end of its useful life. (D) NPV is net present value of discounted cash flows.