The aleurone layer in maize grain is specially rich in
(a) proteins (b) starch
(c) lipids (d) auxins.

1 Answer

Answer :

(a) proteins

Related questions

Description : The scutellum observed in a grain of wheat or maize is comparable to which part of the seed in other monocotyledons? (a) Cotyledon (b) Endosperm (c) Aleurone layer (d) Plumule

Last Answer : (a) Cotyledon

Description : Which one of the following statements is correct? (a) The seed in grasses is not endospermic. (b) Mango is a parthenocarpic fruit. (c) A proteinaceous aleurone layer is present in maize grain. (d) A sterile pistil is called a staminode.

Last Answer : (c) A proteinaceous aleurone layer is present in maize grain.

Description : The ____ is the large central portion of the kernel and contains most of the starch. a. aleurone c. endosperm b. bran d. germ

Last Answer : c. endosperm

Description : Organic substance of large molecular size is (A) Starch (B) Insulin (C) Lipids (D) Proteins

Last Answer : Answer : D

Description : Amino acids are the building blocks of (a) Vitamins (b) Starch (c) Proteins (d) Lipids

Last Answer : Ans:(c)

Description : .All plastids have similar structure because they can (a) store starch, lipids and proteins (b) get transformed from one type to another (c) perform same function (d) be present together.

Last Answer : (b) get transformed from one type to another

Description : The plants popularly known as 'petro crops' are rich in 1. Carbohydrates 2. Hydrocarbons 3. Proteins 4. Lipids The correct answer is: (a) 1, 2 and 3 (b) 1, 3 and 4 (c) 2, 3 and 4 (d) 2 and 4

Last Answer : Ans:(d)

Description : Consider the following statements - 1. Cuba is considered the sugar bowl of the world 2. Sugar was a rare commodity in Europe till the middle ages 3. Honey is a rich source of vitamins and minerals 4. All green plants synthesize sugar ... is/are true? (a) Only 1 (b) 1 and 3 (c) 2 and 3 (d) 2 and 4

Last Answer : Ans:(d)

Description : Aleurone layer takes part in

Last Answer : Aleurone layer takes part in A. Protection of delicate embryo B. Enzyme synthesis C. Transfer of ... . Transfer of food from cotyledous to embryo tips

Description : Cells of aleurone layer function for

Last Answer : Cells of aleurone layer function for – hydrolyzing the food material of seeds

Description : If for some reason the parietal cells of the gut epithelium become partially non-functional, what is likely to happen? (a) The pancreatic enzymes and specially the trypsin and lipase will ... more effective. (d) Proteins will not be adequately hydrolysed by pepsin into proteoses and peptones.

Last Answer : (d) Proteins will not be adequately hydrolysed by pepsin into proteoses and peptones.

Description : In Maize grain, plumule is covered by protective sheath called

Last Answer : In Maize grain, plumule is covered by protective sheath called A. Coeorhiza B. Coleoptile C. Tegmen D. Scutellum

Description : Which of the following is NOT a food-grain? (a) Wheat (b) Rice (c) Maize (d) Jowar (e) Cotton

Last Answer : Ans: (e)

Description : Which of the following is not a rabi crop? (a) Wheat (b) Maize (c) Mustard (d) Grain

Last Answer : Ans: (b)

Description : Protein and oil per cent in Maize grain

Last Answer : Ans.8–10 per cent and 4–5 per cent

Description : Maize grain is (a) A seed (b) An embryo (c) An ovule (d) A fruit

Last Answer : Ans:(d)

Description : Three crops that contribute maximum to global food grain production are ______. (1) wheat, rice, barley (2) rice, maize, sorghum (3) wheat, maize, sorghum. (4) wheat, rice, maize

Last Answer : (4) wheat, rice, maize Explanation: Maize (corn), rice and whet are the three major foodgrains of the world. As per the 2012 figures, maize was the most important crop with production of 873 million metric tons. Rice and what came next with 738 and 671 million metric tons.

Description : Three crops that contribute maximum to global food grain production are (a) wheat, rice and maize (b) wheat, rice and barley (c) wheat, maize and sorghum (d) rice, maize and sorghum.

Last Answer : (a) wheat, rice and maize

Description : Percentage protein in maize grain is about (a) 2 (b) 5 (c) 10 (d) 9.2

Last Answer : (c) 10

Description : Cotyledon of maize grain is called (a) coleoptile (b) scutellum (c) plumule (d) coleorhiza.

Last Answer : (b) scutellum

Description : Three crops that contribute maximum to global food grain production are _________ (1) wheat, rice, barley (2) rice, maize, sorghum (3) wheat, maize, sorghum (4) wheat, rice, maize

Last Answer : wheat, rice, maize

Description : Maize species produce starch similar to tapioca

Last Answer : Ans.Zea mays ceretina (Waxy corn)

Description : Which of the following statements best describes the material known as varnished cambric? A. Felted asbestos sealed with varnish. B. Cotton cloth coated with insulating varnish. C. Rubber ... Paper impregnated with mineral oil, specially wrapped with nonmetallic tape, and coated with varnish.

Last Answer : Answer: B

Description : 34. Decomposition rate is slower if detritus is ... b) Rich in Nitrogen b) Rich in lignin and chitin c) Rich in sugars d) Rich in fats and lipids

Last Answer : b) Rich in lignin and chitin

Description : 14. Decomposition rate is slower if detritus is ... a) Rich in Nitrogen b) Rich in lignin and chitin c) Rich in sugars d) Rich in fats and lipids

Last Answer : b) Rich in lignin and chitin

Description : Filiform apparatus is characteristic feature of (a) aleurone cell (b) synergids (c) generative cell (d) nucellar embryo.

Last Answer : (b) synergids

Description : What would be the number of chromosomes of the aleurone cells of a plant with 42 chromosomes in its root tip cells?a) 42b) 63c) 84d) 21

Last Answer : b) 63

Description : Which of the following is/are function(s) of liposchondria? (I) Chemical modification of lipids and proteins (II) Detoxification (III) Formation of ac

Last Answer : Which of the following is/are function(s) of liposchondria? (I) Chemical modification of lipids and ... are correct D. II and III are incorrect

Description : Selectins are proteins that can recognise specific (A) Carbohydrates (B) Lipids (C) Amino acids (D) Nucleotides

Last Answer : Answer : A

Description : Carotenes are transported with the (A) Minerals (B) Proteins (C) Lipids (D) Lipoproteins

Last Answer : Answer : D

Description : Which of the following features is predicted by the Nicolson–Singer fluid mosaic model of biological membranes? (A) Membrane lipids do not diffuse laterally (B) Membrane lipid is primarily in a monolayer form (C) Membrane lipids freely flip-flop (D) Membrane proteins may diffuse laterally

Last Answer : Answer : D

Description : Degradation of proteins to amino acids, glucose from carbohydrates and fatty acids from lipids is known as (A) Anabolism (B) Metabolism (C) Catabolism (D) Cretinism

Last Answer : Answer : C

Description : Enzymes belong to the category of (a) Proteins (b) Lipids (c) Carbohydrates (d) Steroids

Last Answer : Ans:(a)

Description : Cell recognition and adhesion occur due to biochemicals of cell membrane named (a) Proteins (b) Lipids (c) Proteins and lipids (d) Glycoproteins and glycolipids

Last Answer : Ans:(d)

Description : Amino acids are required for the synthesis of – (1) Alkaloids (2) Lipids (3) Proteins (4) Carbohydrates

Last Answer : (3) Proteins Explanation: Amino acids are required for the synthesis of body protein and other important nitrogen-containing com-pounds. Amino acids are constituents of protein and act as precursors for ... be synthesized and which must then be acquired via the diet are referred to as essential.

Description : Enzymes are - (1) Steroids (2) Carbohydrates (3) Proteins (4) Lipids

Last Answer : (2) Carbohydrates Explanation: Enzymes are proteins that speed up chemical reactions in the cell. They are highly selective catalysts, greatly accelerating both the rate and specificity of metabolic reactions. Most enzymes are proteins, although some catalytic RNA molecules have been identified.

Description : The chemical component that is invariably found in all viruses is (1) proteins (2) lipids (3) DNA (4) RNA

Last Answer : (1) proteins Explanation: All viruses contain the following two components: a nucleic acid genome and a protein capsid that covers the genome. Together this is called the nucleocapsid. The proteinous ... , many animal viruses contain a lipid envelope. The entire intact virus is called the virion.

Description : Chromosomes consist of – (1) DNA and lipids (2) RNA and amino acids (3) DNA and proteins (4) RNA and sugar

Last Answer : (3) DNA and proteins Explanation: A chromosome is an organized structure of DNA and protein found in cells. It is a single piece of coiled DNA containing many genes, regulatory elements ... . Chromosomes also contain DNAbound proteins, which serve to package the DNA and control its functions.

Description : The green colour of the leaves is due to the presence of - (1) Proteins (2) Lipids (3) Chlorophyll (4) Carbohydrates

Last Answer : (3) Chlorophyll Explanation: The green color in leaves is caused by the presence of a compound called "chlorophyll," which the plant produces to do photosynthesis, which is how plants get energy from ... and so green is not absorbed and is reflected, making the plant look green to our eyes.

Description : Enzymes are - (1) Steroids (2) Carbohydrates (3) Proteins (4) Lipids

Last Answer : (3) Proteins Explanation: Enzymes are protein molecules in cells which work as catalysts. Most enzymes are proteins, although a few are catalytic RNA molecules; the latter are called ribozymes.

Description : out of proteins; lipids and carbohydrates present in a cell membrane; what is true?

Last Answer : Carbohydrates are minimum

Description : The antibodies are (a) proteins (b) carbohydrates (c) lipids (d) germs.

Last Answer : (a) proteins

Description : Ribosomes help to synthesize a. carbohydrates b. proteins c. lipids d. minerals

Last Answer : proteins

Description : RNA is intimately associated with synthesis of which constituent of the cell. a. Carbohydrates b. Proteins c. Lipids d. Inorganics

Last Answer : Proteins

Description : The second largest constituent of protoplasm is a. water b. proteins c. lipids d. Inorganics

Last Answer : proteins

Description : The largest constituent of protoplasm is a. Proteins b. water c. lipids d. Inorganics

Last Answer : water

Description : Nissl’s bodies are mainly composed of (a) proteins and lipids (b) DNA and RNA (c) nucleic acids and SER (d) free ribosomes and RER.

Last Answer : (d) free ribosomes and RER.

Description : During prolonged fastings, in what sequence are the following organic compounds used up by the body ? (a) First carbohydrates, next fats and lastly proteins (b) First fats, next ... carbohydrates, next proteins and lastly lipids (d) First proteins, next lipids and lastly carbohydrates

Last Answer : (a) First carbohydrates, next fats and lastly proteins

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 : Which of the following statements about enzymes is wrong? (a) Enzymes are denatured at high temperatures. (b) Enzymes are mostly proteins but some are lipids also. (c) Enzymes are highly specific. (d) Enzymes require optimum pH and temperature for maximum activity

Last Answer : (b) Enzymes are mostly proteins but some are lipids also.