Biology Fsc Part 1 Online Test With Answers

Biology Fsc Part 1 Online Test

Sr. # Questions Answers Choice
1 the cells ofpholoem thattransport sugars throughout the plant are. Companion cells Sieve tube cells Fibers Phloem parenchyma
2 Phloemtissue cimpromises of Companion cells Sieve elements Phloem fibres All of above
3 Which statement characterizes tension in TACT theory. Negative pressur ecreated by pulling force for continuous flow of water Altractive force between water and xylem walls Attractive force between water molecules Both a and c
4 Water molecules within xylem stick togetehr forming an unbroken column from roots to the leave sis due to. Cohesion  Adhesion  Tension  Transduction 
5 The forece which plays crucial role in maintaining continuity of water column during ascent of sap is Adhesion  Cohesion  Tension  Ionic bond
6 Which feature belongs to vessels of xylem. Elongate and thin cells Living cells with thin walls, hold nutrients Shorter, broader,perforation plates  All of above
7 Which cells does not comprise xylem tissue. Sieve elements Xylem fibres Tracheids Vessels
8 Casparian strips are hurdle in the way of Vaculor pathway Symplast pathway Apoplast pathway None of above
9 The pathway in which water and minerals mvoe via interconnected protoplasts of root cells, is called. Symplast Apoplast Vacuolar Reticular
10 The cytoplasmic that extend through pores in cdjacent cell walls of plants are. Plasmodesmata Stomata Lenticles All of the above
11 The pathway invovling a system of adjacent cell walls in plant roots for the transport of sap is called. Symplast Apoplast Vacuolar ETC
12 Which of the following cells are teh extensions of epidermal cells. Root haris Tap roots Lateral roots Advantitious roots
13 The steeper the potential gradient the flow of water will be Faster Slower Not affected Very slower
14 Osmotic potential is also called. Water potential Solute potential Pressure potential Action potential
15 Pure wate rhas maximum water potential which by definition is. 0 +1 +1200 kpa -600 kpa
16 Which of the following does not belongs to sclerenchyma cells. Fibres Parenchyma Sclerid Vessels
17 Which of the following correctly describes the sclerenchyma tissue. Provides support to herbaceous plants Primary walls thickened at comers Thick secondary cell walls,saturated with lignin Both a and b
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