Biology Fsc Part 1 Chapter 8 Online Test With Answers

Biology Fsc Part 1 Chapter 8 Online Test

Sr. # Questions Answers Choice
1 The collective processes involved in teh intake and utilization of nutrients for growth, repair and maintenane of activties in an organism is called. Reproduction  Nutrition  Excretaion  Digestion 
2 Which of the following does not serve as a source of energy. Water Lipids Proteins Carbohydrates
3 Mesophytes are DAPTED TO SURVIVEIN  Moderate environments Dry conditions Water environments All of above
4 The leaves of some hydrophytes float on the srface of water, in such a leaf stomata are found in Lower epidermis Upper epidermis Sides of leaf Deep depressions in leaf
5 The plant hormone which inhibits the stem and root growth is. Auxin Ethylene cytokinins Gibberellin
6 In higher platn,transport of food materials occurs through. Sieve tubes Companion cells Vessel elements Tracheids
7 When sugar content in a cell increases the concentration of solute increases, what happens to the water potential Raises Drops Unchanged None of these
8 Plants that are adapted to survive in dry conditions Xerophytes Hydrophytes Mesophytes Halopytes
9 Exposure to lower temperature stimulates the process of flowering in biennial or perennial plants. dormancy Vernalization  Photoperiodism All of above
10 WhicVesseh of the followig has a perfoated cell wall. Vessel Fibre Tracheid Sclereid
11 Which of the followign is not a funcon of xylem Transport of water Transport of minerals Transport of food Mechanical support
12 The TACT theory primarily explains The movement of nutrients int he plants The transport of water in plants The absorrption of minerals The process of photosynthesis
13 Through which strutcuture does most of transpiration occurs. Stomata Phloem Root hairs Xylem
14 Process by whcih water evaporates from surface of leaf primarily through stomata. Transpiration  Guttaion  Imbibition  Cohesion 
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