Solapur-University-M.Sc-AGPM-(Semester-IV)-2019-On Manufacture and Agrochemicals
| Sr. No. | Questions with multiple options |
| 1. | Agro grade sulphur is used as ________
(a) Herbicide (b) Fungicide (c) Growth retardant (d) Growth promoter |
| 2. | Distillation is a process in which _____ components are separated from the mixture.
(a) Solid (b) Gaseous (c) Volatile (d) Water |
| 3. | Distribution coefficient becomes equal to distribution ratio when there is _______
(a) No association (b) No dissociation (c) No polymerization (d) All of these |
| 4. | Continuous counter current extraction is applicable when ________
(a) Solute has slow distribution coefficient (b) Solute has high distribution coefficient (c) Solute is volatile (d) Solute is non-volatile |
| 5. | The starting materials for preparation of maneb is ______
(a) Ethylene diamine (b) N, N-dimethyl aniline (c) Dimethyl amine (d) None of these |
| 6. | Diethyl amine and acetoacetic acid is the starting material used for preparation of _______
(a) Dimethoate (b) Malathion (c) Phosphamidon (d) Chloropyriphos |
| 7. | Imidacloprid is used as ________
(a) Herbicide (b) Fungicide (c) Neonicotinoid insecticide (d) Rodenticide |
| 8. | A generalized fragment usually an ion produced by disconnection is ______
(a) Synthon (b) Synthetic equivalent (c) Reagent (d) Product |
| 9. | A species which is chemically equivalent to synthon is used called ______
(a) Synthon (b) Synthetic equivalent (c) Reagent (d) Product |
| 10. | For the synthesis of 2, 4-D _____ reaction is used.
(a) Diel’s Alder (b) Wurtz (c) Aldol (d) Beckmann |
| 11. | LD-50 value of thiophenate methyl is ____
(a) 1 mg/kg (b) 6640 mg/kg (c) 50 mg/kg (d) 10000 mg/kg |
| 12. | The reaction in which only one set of stereoisomers is formed predominantly is called ______ reaction.
(a) Stereospecific (b) Stereoselective (c) Stichiometric (d) None of these |
| 13. | In triple effect evaporator highest temperature is maintained in _____ evaporator.
(a) First (b) Second (c) Third (d) Both first and second |
| 14. | Crystallization is the formation of ________ particles with homogeneous liquid phase.
(a) Gas (b) Liquid (c) Solid (d) Semisolid |
| Data Collected by – K. Jeyanthi | |
| Published on 7th Nov 2021 | |
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