(a) Gigartina (b) Gelidium (c) Gracillaria (d) All the above Ans. d (7)
(a) Polysiphonia (b) Postelsia (c) Ectocarpus (d) Macrocystis Ans. b (13)
(a) Chlorophyceae (b) Myxophyceae (c) Rhodophyceae (d) Phaeophyceae Ans. b (7)
(a) Type of pigment (b) Nature of cell wall material (c) Nature of reserve food (d) All the above Ans. d (7)
(a) Fritsch (b) Papenfus (c) Smith (d) Morris Ans. a (3)
(a) Prof. M.O.P. Iyenger (b) Prof. J.N. Mishra (c) Prof. R.R. Mishra (d) Prof. R.N. Singh Ans. a (9)
a. Butadiene only b. Butadiene and styrene c. Sturene only d. Butadiene nitryl Ans. b (15)
a. Ethylene- propylene copolymer b. Vulcanised rubber c. Polypropylene d. Polybutylene Ans. a (6)
a. Polropene b. Natural rubber c. Synthetic rubber d. Highly vulcanized rubber Ans. d (7)
a. It is plastic in nature b. It has little durability c. It has large water-absorption capacity d. All of these Ans. d (8)
a. 05% b. 03% c. 30% d. 55.0% Ans. a (7)
a. All cis- configuration b. All trans-configuration c. Alternate cis – and trans-configuration d. Random cis-and trans-configuration Ans. a (8)
a. SF6 b. CF4 c. Cl2 F2 d. C2 F2 Ans. a (14)
a. Neoprene b. Chloroprene c. Glyptal d. Nylon Ans. a (8)
a. Neoprene b. Isoprene c. Chloroprene d. Butadiene Ans. b (7)
a. Galvanisation b. Vulcanisation c. Bessemerisation d. Sulphonation Ans. b (11)
a. propene b. Vinyl chloride c. Chloroprene d. Butadiene Ans.c (5)
a. Mg b. Ca c. Ba d. Na Ans. c (3)
a. Buna – S b. Neoprene c.Teflon d. Orlon Ans. a (11)
a. PHBV b. Buna- N c. Nylon 6, 6 d. Nylon 2- nylon 6 Ans. d (6)
a. Cellulose b. Polythene c. Polyvinyl chloride d. Nylon -6 Ans. a (12)
a. Cellulose trinitrate b. Cellulose acetate c. Cellophane d. Pyroxylin Ans. b (7)
a. Terylene b. Polyethylene c. Polypropylene d. Nylon- 6 Ans. d (11)
a. Polymethylmethacrylate b. Polyethylene c. Polyethylacrylate d. Nylon – 6 Ans. a (5)
a. Glyptal b. Polyacrylo nitrile c. Polythylacrylate d. Polyethyl acrylate Ans. a (44)
a. Cellulose nitrate b. Cellulose acetate c. Cellulose xanthate d. Cellulose perchlorate Ans. b (5)
a. It is poor conductor of electricity b. Its synthesis required dioxygen or a peroxide initiator as a catalyst c. It is used in the manufacture of buckets, dust-bins etc d. Its synthesis requires high pressure Ans. b (6)
a. Nylon fibres b. Cotton mixed with nylon c. Terylene fibres d. Wool fibres Ans. c (40)
a. Dacron b. Acrilan c. Glytal d. Bakelite Ans. d (8)
a. PVC b. polystyrene c. Polyethylene terephthalate d. Polyetrafloureothylene Ans. d (19)
a. Nitrogen b. KMnO 4 c. Nitrogen dixide d. Potassium chlorate Ans. c (45)
a. Polyisobutana b. Polyert-butylene c. Polyisobutylene d. Polyisoprene Ans.c (10)
a. Methylamine b. N- Methyl urea c. Formaldehyde d. Ammonia Ans.c (7)