Plant Physiology & Metabolism
MM: 80 Time: _ hours
Section A
Q.1 Attempt all the following parts:
Multiple Choice Questions (40x1=40)
1.The physiology and metabolism in plants always utilizes:
a)nitrogen b)phosphorus c)potash d)water.
2.Evaporative loss of water from the aerial parts of plant is:
a)bleeding b)transpiration c)guttation d).sweating.
3.The process of guttation occurs due to:
a)osmosis b)diffusion c)active force d)root pressure.
4.Mark the essential element in plant metabolism:
a)nitrogen b)phosphorus c)potash d)All the above.
5.Mineral elements naturally synthesized by plants include:
a)essential- b)non-essential elements c)macro- d)micronutrients
6.Transport of molecules from low to high concentration using ATP is:
a)passive transport b)active transport c)osmosis d)diffusion.
7.Transport of molecule from high to low concentration without ATP is:
a)diffusion b)endosmosis c)exosmosis d)all the above.
8.Carriers, channels and pumps are part of:
a)active transport b)passive transport c)osmosis d)diffusion.
9.Proteins essentially require the mineral nutrient:
a)phosphorus b)potash c)nitrogen d).magnesium.
10. Chlorophyll has the mineral ion:
, a)nitrogen b)phosphorus c)potash d)magnesium.
11.Translocation of food in the plant occurs through:
a)xylem vessel b)cortical tissue c)parenchyma d).phloem.
12.Girdling experiment demonstrates:
a)water potential b)active transport c)passive transport d)translocation.
13.Pressure flow model demonstrates:
a)active transport b)phloem loading-unloading c)root pressure d)carriers.
14.Photosynthetic pigments include:
a)chlorophyll b)carotene c)xanthophylls d)all the above.
15.In Light Reaction of photosynthesis, the following synthesized:
a)ATP b)NADPH c)ATP&NADPH d)glucose.
16.In Dark Reaction of photosynthesis, the following synthesized:
a)ATP b) NADPH c)ATP&NADPH d)glucose.
17.C3, C4 and CAM pathways are part of:
aLight reaction b)dark reaction c) both d).mineral nutrition.
18.The pathway found in all plants is:
a)C3 b)C4 c)CAM d)all.
19.The pathway found in tropical plants is:
a)C3 b)C4 c)C3 & C4 d).CAM.
20.The pathway found in desert plants is:
a)C3 b)C4 c)CAM d)C3 & CAM.
21.Anaerobic respiration includes:
a)only glycolysis b)only TCA cycle c)glycolysis &TCA d)none.
22.The key enzyme for dark reaction is:
a)phosphatase b)kinase c)RUBISCO d)isomerase.
23.Complete breakdown of glucose occurs in: