Biology Fsc Part 1 Online Test With Answers

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Biology Fsc Part 1 Online Test

Sr. # Questions Answers Choice
1 The open circulatory system is present in Periplaneta Pheretima Amphioxus Rana tigrina
2 In cockroach, the heart is. Four chambered Three chambered Five chambered thirteen chambered
3 All have open blood circulatory system except. Snail Calms Insects Octopus
4 The pressure flow theory was first proposed in 1930 Emst hackel Ernst Munch Dixon Hemming
5 Which one contains companion cells Phloem Cortex Xylem endodermis
6 The cells which supply ATP and proteins to sleve tubes are. Companion Trachelds Vessels epidermal
7 Which one contains companion cells. xylem Phloem Cortex Enclodermis
8 Lenticels are aerating pores formed in the Endodermis Epidermis Pericycle Bark
9 Transpiration takes place through cuticle is about. 5-7% 6-7% 5-6% 3-5%
10 Which of the following is not true for guard cells. Present in epidermis Lack chloroplast Bean like Kidney shaped
11 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
12 The ions involved in the opening and closing of stomata are. Sodium Calcium Magnesium Potassium
13 ________ is incorrect about guard cells. Have chloroplasts Bean shaped Connected to surrounding cells by plasmodesmata surrounding stoma
14 Cuticular transpiration takes places at. Morning Noon Evening Night
15 The structure involved in guttation are. Cuticle Hydathodes Lenticle Stomata
16 Bleeding phenomenon is not shown by. Straw berry Sugar maple Grape wine Palms
17 The upward movement of sap through the xylem Ascent of sap Plasmolysis Deplasmoysis Guttation
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