The IUCN Red List (Red Data Book) documents the conservation status of plants, animals, and fungi, categorizing species from Extinct to Least Concern. It highlights species at risk of global extinction. It is a critical tool for conservation policy and action. Endangered species like the Bengal tiger and snow leopard are listed. The Red Data Book was first published by IUCN in 1964.
Explanation:
Zymase is the enzyme complex in yeast (Saccharomyces cerevisiae) that catalyzes the anaerobic breakdown of glucose to ethanol and CO₂ (alcoholic fermentation). Invertase hydrolyzes sucrose to glucose and fructose. Urease acts on urea. Pepsin is a protease. Fermentation is used in baking and brewing industries. The overall equation: C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂.
Consider statements about bryophytes: 1. They are called amphibians of the plant kingdom. 2. They possess vascular tissues. 3. They require water for fertilization. Which are correct?
Explanation:
Bryophytes are termed amphibians of the plant kingdom because they live on land but require water for the swimming of male gametes to reach the egg during fertilization. They lack true vascular tissues (xylem and phloem), which first appear in pteridophytes. Therefore, statements 1 and 3 are correct, but statement 2 is false.
Explanation:
Gross Primary Productivity (GPP) is the total rate of photosynthesis, or the total amount of organic matter (biomass) produced by producers (plants) per unit area per unit time, including the organic matter used in respiration. Net Primary Productivity (NPP) is GPP minus the energy used by the plants for respiration (NPP = GPP - R).
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