Dairy One Liner Questions-70

Questions & Answers

For All Agricultural Exams

 Plant Physiology

 Written by:- Saurabh Verma

	Questions	Answer
1	Father of plant physiology ?(www.agriexam.com)	Stephan Hales
2	A diffusion of liquids through a semi-permeable membrane is known as  ?	Osmosis
3	Responsible for the ability of plant roots to draw water from soil ?	Osmosis
4	In a pure solvent, the value of Osmotic potential which is its maximum value  ?	Zero
5	The diffusion of solvent particles into a living cell or structure  ?	Endo- Osmosis
6	The diffusion of solvent out of a living cell or structure ?	Exo- Osmosis
7	The soaking up/adsorption of water by dry substances due to hydrophilic colloids is known as ?	Imbibitions
8	The loss of water in the form of water vapour is termed as transpiration whereas in the form of liquid is known as  ?	Guttation
9	Term Guttation is given by  ?	Burgerstien
10	Foliar transportation is of two type ?	1)Stomatal 2)Cuticular
11	Rate of transpiration is determined by ?	Photometer
12	Loss of sap (water) from the injured parts of the plant is known as ?	Bleeding
13	The process of converting light energy to chemical energy and storing it in the bonds of sugar is ?	Photosynthesis
14	Photosynthesis occurs in  ?(www.agriexam.com)	Plants and some algae
15	The organelle of photosynthesis is  ?	Chloroplast
16	The chlorophyll is built into the membranes of the ?	Thylakoids
17	Molecules that have evolved to absorb wavelengths in the visible region of the spectrum very well are called  ?	Pigments
18	Non-cyclic photophosphorylation consists of two sets of pigments to excite which are called  ?	Photosystem 1 & Photosystem 2

	Questions	Answers
19	Carbon fixing reactions are also known as the  ?	Dark Reactions
20	Photosynthesis active radiation (PAR)  ?	400- 700 nm
21	Important accessory pigments in plants are Carotenoids ?	carotiens xanthophylls
22	The energy stored during photosynthesis in the form of  ?	ATP
23	The most effective colour of visible light spectrum for photosynthesis is  ?	Red light
24	The site of primary photochemical reaction is ?	Quantasome
25	Calvin cycle occurs in  ?(www.agriexam.com)	Chloroplast
26	C3 pathway for carbon dioxide fixation in certain tropical grasses were reported by  ?	Hatch and Slack (1965)
27	Photorespiration was discovered by  ?	Decker
28	Each Mitochondria is bounded by two lipoprotein and filled with the colorless fluid called  ?	Matrix
29	Term photoperiodism was coined by ?	Garner and Allard       (1920)
30	The cold treatment to a plant or a seedling in order to fulfil a specific low temperature requirement for accelerating the flowering is ?	Vernalisation
31	Term Vernalisation was coined by  ?	T.D.Lysenko (1920)
32	Aerobic respiration of glucose produces?	673 k cal energy
33	Krebs cycle is also called as ?(www.agriexam.com)	Citric acid cycle or tricarboxylic acid cycle (TCA)
34	Abscisic acid is considered the ?	"stress" harmone
35	In 1964 , the first naturally occurring cytokinin was isolated from corn called ?	Zeatin
36	Gibberellins were discovered by ?	Kurosowa (1926)