Plant Physiology With Answers

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Plant Physiology

Sr. # Questions Answers Choice
1 Which of the following are not types of transpiration. Root Stomatal Cuticular Lenticular
2 What are the roles of stomata in plants. Gaseous exchange Water absorption Transpiration Nutrient uptake
3 The loss of water in the form of drops from tips of leaf is called. Evaporation Excertion Guttation Transpiration
4 The rate transpiration is increased when Light is low Temperatu edecreases Humidity increases None of these
5 Which component is not the part of the plant's vascular system. Stomata Pholem Xylem Root hairs
6 When you suck a cold drink using drinking straw, It resembles with. Diffusion Flow of material in pholem Flow of material in xylem Root pressure
7 Aborption of wate molecuels through root hairs is due to. Diffusion Active transport Osmosis Pessure flow
8 What roles does maganesium play in plants. Aids in water transport Is a component of chlorophyII Promotes early root formation Involved in enzyme functions
9 Which of the following elements are micronutrients for plants. Carbon Zinc Nitrogen Phosphorus
10 Succelent organs are present in . Halophytes Xerophytes Hydrophytes Mesophytes
11 What is TRUE according to the pressur eflow mechanism of food transport. Water enters the source, creating pressure. Solutes move from low to high concentration Movement of food in pholem is due to gravity Water is pulled from the sink
12 In most plans the food is transported in the form of. Maltose Sucrose Glucose Starch
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