Biology Fsc Part 1 Online Test With Answers

Biology Fsc Part 1 Online Test

Sr. # Questions Answers Choice
1 Chlorophyll absorb mainly Violet - blue and orange -red Violt-green and indigo- red Yellow green and yellow-red Yellow red and orange -red
2 A molcule of chlrophyll consists of a hydrophilic head and Hydrophobic tail Hydrophiclic tail Oxidative tail Reductive tail
3 The central atomof chlorophyll molecule is. Ca++ N+ Mg++ Fe+2
4 Chlorophyll is what tye of molecule Lipds Protein Vitamin Carbohydrate
5 What serves as reducing power for the reduction of CO2 to form sugar  NADPH FADH2 NADP FAD
6 In phostosynthesis water is split during the process Hydrolysis Photolysis analysis Chemolysis
7 Source of O2 during process of photosynthesis is. H2O Light CO2 Glucose
8 The entry of CO2 into the leaves is dependent upon Openig of Stomata External humidity Waer availability Intensity of light
9 The effectiveness of different wavelength of light is determined in terms of. absorption spectrum Active spectrum Broad spectrum Narrow spectrum
10 Plants convert how much solar energy into chemicla energy. 1- 2% 3-4% 5-6% 6-7%
11 At which movement there is no net gas exchange between leaves and atmosphere. Saturaton period Compensation point End point Starting point
12 Which of the following is included in reactatn side of photosynthesis. Oxygen Water glucose Nitrogen
13 Cells get energy from which process of food Digestion  Respiration  Oxidation  Excretion 
14 The breaking of one phosphate bond release how much energy. 5.3 Kcal 7.3 Kcal 4.3 Kcal 6.3 Kcal
15 Which is the energy currency of cell Water Fat ATP Glucose
16 Neraly all the energy used by living organisms on earth comes from photosynthesis Respiration  Alcholic Fermentation  Lactic acid fermentation 
17 Photosystem-II makes up the electonrs lost due to light excitation by taking up the elecrons released from. Photolysis of water Feredoxin NADPH :H+ Plastocyanin
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