Biology Fsc Part 1 Chapter 14 Online Test With Answers

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Biology Fsc Part 1 Chapter 14 Online Test

Sr. # Questions Answers Choice
1 Lenticels are aerating pores formed in the Endodermis Epidermis Pericycle Bark
2 Transpiration takes place through cuticle is about. 5-7% 6-7% 5-6% 3-5%
3 Which of the following is not true for guard cells. Present in epidermis Lack chloroplast Bean like Kidney shaped
4 Temperature causes closure of stomata. 30-40 <sup>o</sup>C 30-35<sup>o</sup>C 40-45<sup>o</sup>C 25-35<sup>o</sup>C
5 The ions involved in the opening and closing of stomata are. Sodium Calcium Magnesium Potassium
6 ________ is incorrect about guard cells. Have chloroplasts Bean shaped Connected to surrounding cells by plasmodesmata surrounding stoma
7 Cuticular transpiration takes places at. Morning Noon Evening Night
8 The structure involved in guttation are. Cuticle Hydathodes Lenticle Stomata
9 Bleeding phenomenon is not shown by. Straw berry Sugar maple Grape wine Palms
10 The upward movement of sap through the xylem Ascent of sap Plasmolysis Deplasmoysis Guttation
11 The volume of dry seed may increase up to 200 times after absorbing water by. Diffusion Imbibition Osmosis Active transport
12 The loss of water through hydathodes in leaves is called. Transpiration Bleeding Imbibition Guttation
13 The phenomenon associated with root pressure is Imbibition Guttation Cohesion Tension
14 The dew drops on the tip of the grass leaves involves the phenomenon. Imbibition Bleeding Guttation Transpiration pull
15 Guttation occurs in plants through. Cutitle Hydathodes stomata Lenticels
16 Water potential of pure water is. Less than zero Equal to zero More than zero Equal to one
17 Chang in water potential of a system due to the presence of solute molecules is called. Pressure potential solute potential Gravitational potential Matric potential
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