Enzymes are : (1) Micro organisms (2) Proteins (3) Inorganic compounds (4) Moulds

1 Answer

Answer :

Proteins

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Description : Enzymes are – (1) Micro organisms (2) Proteins (3) Inorganic compounds (4) Moulds

Last Answer : (2) Proteins Explanation: Enzymes are proteins that act as a catalyst, lowering the activation energy of a reaction, therefore dramatically increasing the rate of the reaction. Like all ... of amino acids that fold to produce a three-dimensional product which determines their specific activities.

Description : Enzymes are a. Inorganic compounds. b. Destroyed in a reaction. b. Proteins. a. Vitamins.

Last Answer : c

Description : Enzymes are A- organic compounds produced by living organism B- .inorganic compounds C- organic as well as inorganic compounds D- all of these

Last Answer : organic compounds produced by living organism

Description : Saprophytes are the organisms which depend for food on – (1) living plants (2) living animals (3) dead and decaying material (4) inorganic chemical compounds

Last Answer : (3) dead and decaying material Explanation: Saprophytes are the organisms which depend for food on dead and decaying material.

Description : Organisms which obtain energy by the oxidation of reduced inorganic compounds are called (a) photoautotrophs (b) chemoautotrophs (c) saprozoic (d) coproheterotrophs.

Last Answer : (b) chemoautotrophs

Description : Organisms which obtain energy by the oxidation of reduced inorganic compounds are called (a) photoautotrophs (b) chemoautotrophs (c) saprozoic (d) coproheterotrophs.

Last Answer : (b) chemoautotrophs

Description : Saprophytes are the organisms which depend for food on (1) living plants (2) living animals (3) dead and decaying material (4) inorganic chemical compounds

Last Answer :  dead and decaying material

Description : In which group of organisms the cell walls form two thin overlapping shells which fit together? (a) Dinoflagellates (b) Slime moulds (c) Chrysophytes (d) Euglenoids

Last Answer : (c) Chrysophytes

Description : Three of the following statements about enzymes are correct and one is wrong. Which one is wrong? (a) Enzymes require optimum pH for maximal activity. (b) Enzymes are denatured at high temperature but ... - 90°C. (c) Enzymes are highly specific. (d) Most enzymes are proteins but some are lipids.

Last Answer : (d) Most enzymes are proteins but some are lipids.

Description : Enzymes are (A) Proteins with high molecular weight (around 10,000) (B) Derived from living organisms (C) Catalyst for temperature sensitive reactions (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Description : Proteins are chains of _____ that sometimes function as _____. a. monosaccharaides; energy compounds b. lipids; structural materials c. amino acids; enzymes d. disaccharides; enzymes

Last Answer : c. amino acids; enzymes

Description : Which is not true about inorganic catalysts and enzymes? (A) They are specific (B) Inorganic catalysts require specific not needed by enzymes (C) They are sensitive to pH (D) They speed up the rate of chemical reaction

Last Answer : Answer : B

Description : Coenzyme is (A) Often a vitamin (B) Always an inorganic compound (C) Always a protein (D) Often a metal ENZYMES 173

Last Answer : Answer : A

Description : Which of the following enzymes incorporates inorganic phosphate into the substrate? (A) Phosphoglycerate kinase (B) Glyceraldehyde-3-phosphate dehydrogenase (C) Pyruvate kinase (D) Enolase

Last Answer : Answer : A

Description : Which of the following statements is correct? (a) Sporopollenin can be degraded by enzymes. (b) Sporopollenin is made up of inorganic materials. (c) Sporopollenin can withstand high temperatures ... strong acids and alkalis. (d) Sporopollenin can withstand high temperatures but not strong acids.

Last Answer : (c) Sporopollenin can withstand high temperatures as well as strong acids and alkalis

Description : The process in which organisms do not require light and pigment and synthesize their, food utilizing energy released by the oxidation of inorganic and

Last Answer : The process in which organisms do not require light and pigment and synthesize their, food ... B. Heterotrophism C. Chemosynthesis D. Saprophytism

Description : What inorganic compound is most important for organisms?

Last Answer : water,believe it or notH20doesn't contain carbon - is not organic

Description : What inorganic compound is most important for organisms?

Last Answer : water,believe it or notH20doesn't contain carbon - is not organic

Description : Organisms using simple food material acquired from inorganic sources in the form of carbon dioxide and water are called – (1) Autotrophs (2) Heterotrophs (3) Organotroph (4) Both (1) and (3)

Last Answer : a) Autotrophs Explanation: Autotroph means self-feeding in Greek or producer and is an organism that produces complex organic compounds such as carbohydrates, fats, and proteins from simple substances using energy from light.

Description : Which one of the following processes during decomposition is correctly described? (a) Catabolism - Last step in the decomposition under fully anaerobic condition (b) Leaching - Water soluble inorganic ... of a dark coloured substance humus which undergoes microbial action at a very fast rate.

Last Answer : (c) Fragmentation – Carried out by organisms such as earthworm

Description : What are the two differences between organic compounds and inorganic compounds ?

Last Answer : The two differences between organic and inorganic compounds are mentioned below: 1. All organic compounds must have carbon in their molecules. Such as: CH 4, C 2 H 3 OH etc. But molecules of ... On the other hand, due to ionic bonds, the reaction of inorganic compounds is faster. Thank you!

Description : Soap Organic Compounds or Inorganic Compounds ?

Last Answer : Soap is an organic compound because it is derived from organic compounds. Soap is made by adding caustic soda to organic compounds. . .. CH2-OCO-R .. | CH-OCO-R ............................................ ... .... CH2-OH oil or fat + caustic soda --- > soap + glycerol here R = Cn H 2n + 1 n = 12-18

Description : What is the name of the first organic compound prepared from inorganic compounds ?

Last Answer : The first organic compound made from inorganic compound is called urea.

Description : Two inorganic compounds A and B were heated in a dry test tube. A evolved a colourless gas which turned lead acetate paper black and B evolved a gas w

Last Answer : Two inorganic compounds A and B were heated in a dry test tube. A evolved a colourless gas which turned lead acetate ... ` D. `S^(2-), NO_(3)^(-)`

Description : Across a membrane phospholipids act as carrier of (A) Organic compounds (B) Inorganic ions (C) Nucleic acids (D) Food materials

Last Answer : Answer : B

Description : Sulphur can be utilized by bacteria in the form of a. Organic compounds b. Inorganic compounds c. Elemental compounds d. All of the above

Last Answer : Ans: A

Description : Covalent bonds are mainly found in (a) Organic compounds (b) Inorganic compounds (c) Electrolytes (d) None of the above

Last Answer : Ans:(a)

Description : Contraceptive pills in the market contain – (1) steroid-hormones (2) inorganic compounds (3) herbicides (4) antibiotics

Last Answer : (1) steroid-hormones Explanation: Contraceptive, pill: Commonly called "the pill," combined oral contraceptives are the most commonly used form of reversible birth control in the United States.

Description : The inorganic elements or compounds which occur naturally in the earth’s crust are known as?

Last Answer : minerals

Description : Mention the differences between organic and inorganic compounds.

Last Answer : Sl. No Property 2 Melting & Boiling points Nature of bonding 3 Solubility 4 5 Combustibility Nature of reaction Homology & Isomerism 1 6 Organic compounds Low, generally ... soluble in water, insoluble in organic solvents very few burn very fast reactions is not common

Description : Who suggested the classification of chemical compounds as inorganic and organic?

Last Answer : J.J.Berzelius

Description : Why are Calcium Carbide (CaC 2 ), Carbon monoxide (CO), Carbon dioxide (CO 2 ), Hydrogen cyanide (HCN) and calcium carbonate (CaCO 3 ) classified as inorganic compounds through they contain carbon?

Last Answer : These compounds contain only one or two carbon atoms per formula unit and contain no carbon-carbon (C-C) bonds or carbon-hydrogen bonds. Hence they are classified as inorganic compounds.

Description : The movement of water, from one cell of cortex to adjacent one in roots, is due to (a) accumulation of inorganic salts in the cells (b) accumulation of organic compounds in the cells (c) water potential gradient (d) chemical potential gradient.

Last Answer : (c) water potential gradient

Description : Contraceptive pills in the market contain (1) Inorganic compounds (2) Herbicides (3) Antibiotics (4) Steroid-hormones

Last Answer : Steroid-hormones

Description : Refrigerators keep food unspoiled because – (1) at its low temperature, bacteria and moulds are inactive (2) at its low temperature, the germs are killed (3) at its low temperature, the germs are frozen (4) it sterilizes the food

Last Answer : (1) at its low temperature, bacteria and moulds are inactive Explanation: Bacteria and moulds find conditions of low pH, moisture, or temperature and high salt or sugar unfavorable for their ... a long time. Bacterial action is severely impaired at temperatures at or below 4 degree Celsius.

Description : Which one is remelted and poured into moulds to get cast iron? (A) Wrought iron (B) Pig iron (C) Low carbon steel (D) Mild steel

Last Answer : (B) Pig iron

Description : Which is the reason for highest biomass in aquatic ecosystem? (a) Nano plankton, blue green algae and green algae (b) Sea grass and slime moulds (c) Benthic and brown algae (d) Diatoms

Last Answer : (c) Benthic and brown algae

Description : Read the following five statements (A - E) and answer as asked next to them. (A) In Equisetum, the female gametophyte is retained on the parent sporophyte. (B) In Ginkgo, male gametophyte is not independent. (C ... . How many of the above statements are correct? (a) Two (b) Three (c) Four (d) One

Last Answer : (d) One

Description : Chrysophytes, Euglenoids, Dinoflagellates and Slime moulds are included in the Kingdom (a) Fungi (b) Animalia (c) Monera (d) Protista.

Last Answer : (d) Protista.

Description : The cyanobacteria are also referred to as (a) protists (b) golden algae (c) slime moulds (d) blue green algae

Last Answer : (d) blue green alga

Description : Methanogens belong to (a) eubacteria (b) archaebacteria (c) dinoflagellates (d) slime moulds.

Last Answer : (b) archaebacteria

Description : Pick up the incorrect statement from the following. For performing compressive strength test of cement (A) Cement and standard sand mortar are used in the ratio of 1 : 3 (B) Water is added at the ... cm 10 cm is used (D) The prepared moulds are kept in a atmosphere of 50% relative humidity

Last Answer : Answer: Option A

Description : Pick up the correct statement from the following: (A) The plastic bottles are made by the process of blowing (B) The application of thermo-setting resins on sheets of paper, is called laminating ... placing raw material in the desired moulds, is known as moulding process (D) All the above

Last Answer : Answer: Option D

Description : The process of manufacturing steel by heating short lengths of wrought iron bars mixed with charcoal in fire clay crucibles and collecting the molten iron into moulds, is known as (A) Cementation process (B) Crucible process (C) Bessemer process (D) Open hearth process

Last Answer : Answer: Option B

Description : Generally wooden moulds are made from (A) Ply wood (B) Shishum wood (C) Deodar wood (D) Teak wood

Last Answer : Answer: Option B

Description : Ridger is also known as riding plough and moulds board plough. a. Single c. Half d. None of the above. Ans - b. Double

Last Answer : Ans - b. Double

Description : The only azole antifungal drug which has some activity against moulds like Aspergillus is: A. Itraconazole B. Fluconazole C. Miconazole D. Ketoconazole

Last Answer : A. Itraconazole

Description : The cyanobacteria are also referred to as (1) Blue green algae (2) Protists (3) Golden algae (4) Slime moulds

Last Answer : (1) Blue green algae

Description : Refrigerators keep food unspoiled because (1) at its low temperature, bacteria and moulds are inactive (2) at its low temperature, the germs are killed (3) at its low temperature, the germs are frozen (4) it sterilises the food

Last Answer : at its low temperature, bacteria and moulds are inactive

Description : Mark the INCORRECT statement about agar, a gelling agent in plant tissue culture medium a. Not digested by plant enzymes b. It does not use in micro-propagation work c. It does not react with media constituents d. Remain stable at incubation temperature

Last Answer : b. It does not use in micro-propagation work