Description : 38. Which of the following statements is false? (1) Both starch and cellulose are polymers of glucose (2) Artificial silk is derived from cellulose (3) Nylon-66 is an example of elastomer (4) The repeat unit in natural rubber is isoprene
Last Answer : Nylon-66 is an example of elastomer
Description : The purest natural form of cellulose is _______. a) rayon b)cotton c)wool d)silk
Last Answer : b)cotton
Description : Plants have ____________ while animals lack it. (a) Starch (b) Cellulose (c) Protein (d) Fat
Last Answer : Ans:(b)
Description : The food in Onion is stored in the form of - (1) Cellulose (2) Protein (3) Starch (4) Sugar
Last Answer : (4) Sugar Explanation: Bulbs like garlic and onion store food in the form of sugar (sucrose) rather than starch. . This is also true of sugar beet, sugarcane, etc. In onions, the food is stored ... in most plants, starch is stored as food. Cellulose is not a food for plants but a building material.
Description : β - glucose is the monomer of (A) Cellulose (B) Starch (C) Protein (D) None of these
Last Answer : (A) Cellulose
Description : Which one of the following pairs of food components in humans reaches the stomach totally undigested ? (a) Starch and fat (b) Fat and cellulose (c) Starch and cellulose (d) Protein and starch
Last Answer : b) Fat and cellulose
Description : The caecum in rabbit is considered to be concerned with the digestion of (a) Cellulose (b) Fat (c) Starch (d) Protein
Last Answer : (a) Cellulose
Description : Which of the following macromolecules is primarily responsible for the insolubility of cell membranes in water? a) starch b) cellulose c) protein d) phospholipid
Last Answer : ANSWER: D -- PHOSPHOLIPID
Description : The food in Onion is stored in the form of _______ (1) Cellulose (2) Protein (3) Starch (4) Sugar
Last Answer : Sugar
Description : Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids? (A) Starch (B) Cellulose (C) Proteins (D) Nucleic acids
Last Answer : (C) Proteins
Description : In India the problem of utilisation of agricultural wastes is in (a) Conversion of cellulose into sugar (b) Conversion of bran into molasses (c) Conversion of starch into alcohol (d) Conversion of sugar into carbohydrates
Last Answer : Ans: (a)
Description : Diastase can be used for the hydrolysis can be used for the hydrolysis of (A) Sucrose (B) Starch (C) Cellulose (D) Maltose
Last Answer : Answer : B
Description : A carbohydrate which can not be digested in human gut is (A) Cellulose (B) Starch (C) Glycogen (D) Maltose
Last Answer : Answer : A
Description : Dietary fibres are rich in (A) Cellulose (B) Glycogen (C) Starch (D) Proteoglycans
Description : A cation exchange resin linked to cellulose backbone is (A) CM-cellulose (B) DEAE cellulose (C) Starch (D) Biogel
Description : Iodine test is positive for starch, dextrin and (A) Mucoproteins (B) Agar (C) Glycogen (D) Cellulose
Last Answer : C
Description : Iodine solution produces no color with (A) Cellulose (B) Starch (C) Dextrin (D) Glycogen
Last Answer : A
Description : Amylose is a constituent of (A) Starch (B) Cellulose (C) Glycogen (D) None of these
Description : The most abundant carbohydrate found in nature is (A) Starch (B) Glycogen (C) Cellulose (D) Chitin
Description : The most abundant carbohydrate present in blood is (a) glucose (b) lactose (c) starch (d) cellulose
Last Answer : Ans:(a)
Description : Which of the following is known as animal starch? (1) glycogen (2) cellulose (3) glucose (4) chitin
Last Answer : (1) glycogen Explanation: Glycogen, the principal storage form of glucose in animal cells, sometimes called "animal starch" for its resemblance with starch found in plants. It t is stored in ... be converted to glucose if needed. In the liver this conversion is regulated by the hormone glucagon.
Description : The form of carbohydrate which is synthesized in plants is – (1) Starch (2) Glucose (3) Fructose (4) Cellulose
Last Answer : (2) Glucose Explanation: Carbohydrates are initially synthesized in plants from a complex series of reactions involving photosynthesis. The simplified version of this chemical reaction is to utilize carbon ... sun to produce a simple sugar such as glucose and oxygen molecules as a byproduct.
Description : The outer skin most of the crustaceans are made up of a carbohydrate. This carbohydrate is (1) cellulose (2) galactose (3) chitin (4) starch
Last Answer : (3) chitin Explanation: All crustaceans have a body covered with a protective shell composed of a horny substance called chiton. The outer skeleton is not continuous but made up of divided sections called somites.
Description : Main constituent of cotton fibre is (A) Lignin (B) Cellulose (C) Starch (D) Gelatine
Last Answer : (B) Cellulose
Description : Cellulose and starch are polysaccharides made of glucose, but cellulose cannot be digest by human beings, why?
Last Answer : Cellulose contains beta 1,4 linkages, which cannot be digested by human enzymes.
Description : Reproductive phase of fruit plants is improved by the accumulation of _____: a. Nitrogen b. Starch c. Proteins d. Cellulose
Last Answer : Starch
Description : A person who is eating boiled potato, his food contains the component (a) cellulose which is digested by cellulase (b) starch which is digested (c) lactose which is not digested (d) DNA which can be digested by pancreatic DNase.
Last Answer : (b) starch which is digested
Description : In which of the following groups are all polysaccharides? (a) Sucrose, glucose and fructose (b) Maltose, lactose and fructose (c) Glycogen, sucrose and maltose (d) Glycogen, cellulose and starch
Last Answer : (d) Glycogen, cellulose and starch
Description : Floridean starch has structure similar to (a) starch and cellulose (b) amylopectin and glycogen (c) mannitol and algin (d) laminarin and cellulose.
Last Answer : (b) amylopectin and glycogen
Description : Main constituents of cotton fiber is (A) Lignin (B) Cellulose (C) Starch (D) Gelatine
Description : Which filler can NOT be used for the preparation of tablets for amine containing basic drugs to avoid discoloration of the tablets? (A) Dicalcium phosphate (B) Microcrystalline cellulose (C) Starch (D) Lactose
Last Answer : (D) Lactose
Description : Which one of these carbohydrates is a monsaccharide (a) Glucose b) Starch (c) Sucrose (d) Cellulose
Last Answer : (a) Glucose
Description : Which of the following is a nitrogenous polysaccharide : (a) Starch (b) Cellulose (c) Chitin (d) Glycogen
Last Answer : (c) Chitin
Last Answer : glycogen
Last Answer : chitin
Description : The form of carbohydrate which is synthesised in plants is (1) Starch (2) Glucose (3) Fructose (4) Cellulose
Last Answer : Glucose
Description : Which of the following is generally not used as eord for synthetic rubber tyre casing? (A) Dacron (B) Nylon (C) Cellulose (D) None of these
Last Answer : (C) Cellulose
Description : Dextrin is (A) Animal glue (B) Starch glue (C) Albumin glue (D) Rubber based adhesive
Last Answer : Answer: Option D
Description : Pick out the wrong statement. (A) Polystyrene is a thermoplastic polymer (B) Protein is a natural polymer (C) Neoprene is a natural rubber (D) Polythene is a copolymer, while SBR is a homopolymer
Last Answer : (C) Neoprene is a natural rubber
Description : Match the following: Product Protein A Milk (i) keratin B Egg (ii) Myosin C Meat (iii) Casein D Wool (iv) Albumen
Last Answer : (c) A-iii, B-iv, C-ii, D-i
Description : Silk fibre chemically is – (1) Carbohydrate (2) Fat (3) Protein (4) Cellulose
Last Answer : (3) Protein Explanation: Silk is a natural protein fibre, some forms of which can be woven into textiles. The protein fibre of silk is composed mainly of fibroin and produced by ... fibre, which allows silk cloth to refract incoming light at different angles, thus producing different colours.
Description : Most abundant organic compound on earth is (a) protein (b) cellulose (c) lipids (d) steroids.
Last Answer : cellulose
Description : Silk fibre chemically is : (1) Carbohydrate (2) Fat (3) Protein (4) Cellulose
Last Answer : Protein
Description : Which of the following fibres is considered as the stron est natural fibre? (1) Cotton (2) Jute (3) Wool (4) Silk
Last Answer : (4) Silk Explanation: Ultrastrong spider silk is one of the toughest natural fibers known in nature. The light, flexible fiber is five times stronger by weight than high-grade steel and extremely stretchy, enlarging to snag incoming insects and other prey.
Description : Which of the following is not a natural polymer? (1) Wool (2) Silk (3) Cotton (4) Teflon
Last Answer : (4) Teflon Explanation: Natural polymers occur in nature and can be extracted. They are often waterbased. Examples of naturally occurring polymers are silk, wool, DNA, cellulose, cotton and proteins.
Description : Which of the following is not a natural fibre? (A) Silk (B) Viscose rayon (C) Wool (D) Cotton
Last Answer : (B) Viscose rayon
Description : Which of the following is a natural polyamide fibre? (A) Wool (B) Silk (C) Cotton
Last Answer : (A) Wool
Description : Orlan fibre which is used as a wool substitute is (A) An amorphous polymer (B) A natural polymeric fibre (C) Polyacrylonitrile (D) Poly-methyl-methacrylate (PMMA)
Last Answer : (C) Polyacrylonitrile
Description : What term describes the natural waviness of wool fiber?
Last Answer : Crimp
Description : Which of the following fibres is considered as the strongest natural fibre? (1) Cotton (2) Jute (3) Wool (4) Silk
Last Answer : Silk