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