SCP AND MUSHROOMCULTIVATION -ASSIGNMENT

1	The SCP organism used by Germans during I and II world war was Spriulina Candida utilis Candida lipolytica Saccharomyces Ans:Candida utilis
2	The amino acids abundantly present in Brevibacterium ketoglutamicum are I. Glutamine II. Glutamic acid III. Lysine IV. Methionine I and II II and III III and IV I, II, III Ans:III and IV
3	Arrange the following components of SCP Methylophilous methylotropous in a sequence of their gradual increase in the amount. I. Lipids II. RNA III. b -carotene IV. Carbohydrates III, IV, I, II III, II, IV, I IV, III, I, II III, I, IV, II Ans:III, IV, I, II
4	[A]: The protein content of bacterial SCP is always more than that of Algal SCP [R]: The protein content of Brevibacterium is upto 80% Both A and R are true and R is the correct explanation of A Both A and R are true but R is not the correct explanation of A A is true but R is false A is false but R is true Ans:A is false but R is true
5	B group vitamins are abundantly present in Saccharomyces Dunaliella Chlorella Methylophilous Ans:Saccharomyces
6	[A]: Single cell proteins are more advantageous than conventional proteinaceous products [R]: Protein content of SCP organism is more than that of Soybeans Both A and R are true and R is the correct explanation of A Both A and R are true but R is not the correct explanation of A A is true but R is false A is false but R is true Ans:Both A and R are true and R is the correct explanation of A
7	Choose the correct statement SCP with good taste should only be considered for human consumption Spirulina was harvested from Lake Chad For human consumption, the SCP should have higher percentage of Polynucleotides Endotoxins are present in Algal SCP Ans:Spirulina was harvested from Lake Chad
8	For the production of the following SCP, high saline conditions have to be maintained Chlorella pyrenoidosa Scenedesmus Dunaliella Candida Ans:Dunaliella
9	The common drawback of production of any SCP organism is Risk of contamination Presence of Toxins Recovery of cells poor content of Sulphur containing amino acids Ans:Risk of contamination
10	Match the following List – I List – II A)Filamentous prokaryote I)Saccharomyces B)Filamentous heterotrophic thallophyte II)Senedesmus C)Unicellular heterotrophic thallophyte III)Chlorella D)Unicellular photoautotrophs IV) Spirulina V)Chaetomium A-IV, B-V, C-I, D-II A-V, B-IV, C-III, D-I A-IV, B-V, C-II, D-III A-IV, B-V, C-I, D-III Ans:A-IV, B-V, C-I, D-III
11	Study the following table and choose the correct combination SCP organism Plant Group Demerit I) Scenedesmus Algae Low cell density II) Paecilomyces Bacterium High RNA content III) Chaetomium Fungus Slow growth rate IV) Brevibacterium Bacterium Poor in Methionine I, III II, IV I, II III, IV Ans:I, III
12	12. [A]: Organic substrates need not be used as raw materials for the production of SCP organism Spirulina. [R]: Spirulina is oxygenic photoautotroph. Both A and R are true and R is the correct explanation of A Both A and R are true but R is not the correct explanation of A A is true but R is false A is false but R is true Ans:Both A and R are true and R is the correct explanation of A
13	This is not used as SCP Rhizopus Fusarium Chlorella Chaetomium Ans:Rhizopus
14	Etymologically mycology is study of Fungi Mycelia Mushrooms Heterotrophs Ans:Mushrooms
15	Root rot of apple is caused by Honey mushroom Oyster mushroom European mushroom Paddy straw mushroom Ans:Honey mushroom
16	Fox – Fire Phenomenon is Autoburning of Plant infected by a mushroom fungus Fungi promoted fire in Forests Bio-luminiscence shown by Armillariella Bio-luminiscence shown by Amanita Ans:Bio-luminiscence shown by Armillariella
17	Cap of mushroom is called as Hymenium Stipe Veil Pileus Ans:Pileus
18	Mushrooms are rich in an amino acid which is precursor of IAA NAA Gibberellin Ethylene Ans:IAA
19	[A]: Fly Agaric belongs to the genus Agaricus [R]: It is a toad stool Both A and R are true and R is the correct explanation of A Both A and R are true but R is not the correct explanation of A A is true but R is false A is false but R is true Ans:A is false but R is true
20	Mushrooms belong to the subdivision Mastigomycotina Zygomycotina Deuteromycotina Basidiomycotina Ans:Basidiomycotina
21	The meaning of mushroom in Latin and Greek are respectively Mykes, Flourish Flourish, Sponge Mykes, Sponge Sponge, Flourish Ans:Flourish, Sponge
22	Match the following with respect to Mushrooms List – I List – II A)Annulus I)Basidia bearing portion B)Gills II)Obliquely running short branches C)Sub-hymenium III)Appendage present around stipe D)Hymenium IV)Structures hanging from Pileus V)Structure with elongated central cells A-II, B-I, C-IV, D-V A-III, B-IV, C-II, D-I A-V, B-IV, C-II, D-I A-IV, B-V, C-III, D-II Ans:A-III, B-IV, C-II, D-I
23	Study the following table and choose the correct combination Mushroom Common name Significance I)Amanita virosa Destroying angel Poisonous II)Amanita phalloides Honey Agaric Toadstool III)Lentinus edodes Shiitake mushroom Edible IV)Pleurotus sojar-caju Temparate mushroom Edible I and II II and III III and IV I and III Ans:I and III
24	[A]: Mushrooms are good food for people with hypertension [R]: Mushrooms show high Sodium to Potassium ratio Both A and R are true and R is the correct explanation of A Both A and R are true but R is not the correct explanation of A A is true but R is false A is false but R is true Ans:A is true but R is false
25	Mushrooms are rich in vitamins I. which forms Co.A II. which can also be produced by LAB III. Vitamin C IV. Vitamin A All except I All except IV All except II All Ans:All except IV
26	Rhizomorphs are Hyphae of mushroom present in the stipe Underground entangled hyphae that give rise basidiocarp Root like basidiocarps Root like Gills Ans:Underground entangled hyphae that give rise basidiocarp
27	The common ingredients of Paddy straw compost and Wheat straw compost are I. Urea II. Cotton seed III. Chicken manure IV. Gypsum I and II II and III I and IV III and IV Ans:I and IV
28	During preparation of grain for spawn production, the boiled grains supplemented with Calcium carbonate must be autoclaved by maintaining the following conditions 121°C temp. 15 lb pressure, 15 min duration 121°C temp. 51 lb pressure, 15 min duration 111°C temp. 21 lb pressure, 90 min duration 121°C temp. 15 lb pressure, 90 min duration Ans:121°C temp. 15 lb pressure, 90 min duration
29	The following is added to soaked straw while preparing the material for straw spawn production Calcium carbonate Lime Gypsum Urea Ans:Lime
30	One of the following edible mushrooms is not cultivated in India European mushroom Paddy straw mushroom Oyster mushroom Shiitake mushroom Ans:Shiitake mushroom
31	The pH of the prepared compost must be between 5.6 - 6 6.5 - 7 7 – 7.5 6 – 6.5 Ans:7 – 7.5
32	Average yield of Mushrooms for every 100 kg of compost used is 5-10 kg 15 – 20 kg 10 – 15 kg 20 – 25 kg Ans:10 – 15 kg
33	[A]: Mushrooms have higher shelf life [R]: They can be stored fresh for week days at 5°C Both A and R are true and R is the correct explanation of A Both A and R are true but R is not the correct explanation of A A is true but R is false A is false but R is true Ans:A is false but R is true
34	During Mushroom Cultivation salt solution is used for Casing Spawning Cropping Canning Ans:Canning
35	Match the following List – I List – II A)Inocubation for Spawn production I)8 days B)Sterilisation of prepared compost II)20 days C)Spawning III)80 days D)Interval between successive flushes IV)2 days V)15 days A-V, B-III, C-I, D-II A-IV, B-V, C-II, D-I A-V, B-IV, C-II, D-I A-V, B-IV, C-III, D-II Ans:A-V, B-IV, C-II, D-I
36	Match the following Temperature Maintained for A)60C I)Autoclaving B)16C II)Compost sterilization C)25C III)Storing of fresh mushrooms D)5C IV)Spawning V)Incubation after pinhead appearance of first flush A-II, B-V, C-IV, D-III A-II, B-V, C-IV, D-I A-V, B-IV, C-III, D-II A-II, B-IV, C-III, D-V Ans:A-II, B-V, C-IV, D-III
37	Mushrooms are harvested at the following stage Knot stage Pin-head stage Button stage Adult stage Ans:Button stage
38	Pasteurised soil is used during the following stage of Mushroom cultivation Spawn production Compost preparation Spawning Casing Ans:Casing
39	Arrange the following events in correct sequence during Mushroom production. I. Harvesting Flushes II. Usage of Spawn III. Usage of Rice bran IV. Maintainnace of 16°C temperature in production room III, II, IV, I III, IV, II, I II, III, IV, I I, IV, II, III Ans:III, II, IV, I