Biology Fsc Part 1 Chapter 8 Online Test With Answers

Biology Fsc Part 1 Chapter 8 Online Test

Sr. # Questions Answers Choice
1 Which of the following does not belongs to sclerenchyma cells. Fibres Parenchyma Sclerid Vessels
2 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
3 The cells that are grouped in the form of strands and cylinders, lack secondary cell walls. Collenchyma Parenchyma Sclerenchyma Both a and b
4 The membrane of .......is called tonoplast. Vacuole Nucleus Lysosome ER
5 The harmones which over rides the effects of light and CO2 concentration in stomatal movement is. Auxins Abscisic Acid Cytokinins Gibberellins
6 Which light enhances the process of opening of stomata by acidifying the surrounding environment,promoting K+ UPTAKE IS Blue light Green light Red light White light
7 Who proposed that guard cells in leaf epidermis are solely responsible for photosynthesis. H.Van Mohl Doxpm f. Sanger Van Neil
8 Which platn uses odour as a chemicla weapon to attracts its prey. sundew Cobra lilly Pitcher platn Rose
9 Venous fly trap has Trap consisting two lobes having hinge Inner surfaces contain trichomes Fine, interlockign bristles All of above
10 Leaves modified into a sac, partly filled with water, numerous stiff hairs belongs to. Pitcher plant Venus fly trap Sundew Cobra lilly
11 Which of the following tryly describes copper as a nutrient. Necessary for lignin synthesis Act as cofactor for enzymes Its deficiency cna result in chlorosis twisted leaves and stunted growth All of the above
12 The micronutrient which is critical for nitrogen fixation, nitrogen reduction, sulfur metabolism and iron utilization is. Maganese Copper Molybdenum Zinc
13 Which of the followig statemetns describe the deficiency of calcium is plants. Dark patches on leaves Plant becomes lighter in color Developmetnof yellow and brown patches Browing and wrinkling of leaves
14 Dark patches are formed on the leaes due to the deficieny of. Magagnes Sulfur Potassium Nitrogen
15 Deficiency of which nutrient leads to delayed flowing, browning and wrinkling the leaves. Phosphorus Magensium Iron  Calcium
16 Which nutrient is a part of ATP and plays role in promoting root growth and favours floweirng in the aerial zone is. Calcium Magnesioum Phosphrous Sulfur
17 The number of macronutrients in plants are. 3 2 9 12
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