Description : Utilisation of ketone bodies by peripheral tissues needs which enzyme?
Last Answer : Succinyl CoA dependent thiophorase.
Description : Ketone bodies are synthesized from fatty acid oxidation products by which of the following organs? (A) Liver (B) Skeletal muscles (C) Kidney (D) Brain
Last Answer : Answer : A
Description : The percentage of food nitrogen that is retained in the body represents (A) Digestibility coefficient (B) Biological value of proteins (C) Protein efficiency ratio (D) Net protein utilisation
Last Answer : Answer : D
Description : The percentage of nitrogen retained in the body after absorption of diet represents (A) Digestibility coefficient of proteins (B) Biological value of proteins (C) Protein efficiency ratio (D) Net protein utilisation
Last Answer : Answer : B
Description : The gain in body weight (gm) per gm of protein ingested is known as (A) Net protein utilisation (B) Protein efficiency ratio (C) Digestibility coefficient (D) Biological value of protein
Description : Enzymes responsible for ketone body formation are associated mainly with the (A) Mitochondria (B) Endoplasmic reticulum (C) Nucleus (D) Golgi apparatus
Description : A pathway that requires NADPH as a cofactor is (A) Extramitochondrial folic acid synthesis (B) Ketone body formation (C) Glycogenesis (D) Gluconeogenesis
Description : What is the rate-limiting-step in ketone body formation?
Last Answer : HMGCoA synthase.
Description : In a person increase in weight in gms per gm of protein consumption represents (A) Protein efficiency ratio (B) Digestibility value of proteins (C) Biological value of proteins (D) Net protein utilisation
Description : Ketosis reflects (A) Increased hepatic glucose liberation (B) Increased fatty acid oxidation (C) Increased carbohydrate utilisation (D) Incresed gluconeogenesis
Description : Impaired galactose tolerance test suggests (A) Defect in glucose utilisation (B) Liver cell injury (C) Renal defect (D) Muscle injury
Description : Net protein utilisation depends upon (A) Protein efficiency ratio (B) Digestibility coefficient (C) Digestibility coefficient and protein efficiency ratio (D) Digestibility coefficient and biological value
Description : The percentage of ingested protein/ nitrogen absorbed into blood stream is known as (A) Net protein utilisation (B) Protein efficiency ratio (C) Digestibility coefficient (D) Biological value of protein
Last Answer : Answer : C
Description : Net protein utilisation of egg protein is (A) 75% (B) 80% (C) 91% (D) 72%
Description : Maximum glucose utilisation is seen in which tissue?
Last Answer : At basal rates, brain utilises 60% of sugar oxidised.
Description : Acetyl CoA required for de novo synthesis of fatty acids is obtained from (A) Breakdown of existing fatty acids (B) Ketone bodies (C) Acetate (D) Pyruvate
Description : Acetyl-CoA can be formed from (A) Pyruvate (B) Fatty acids (C) ketone bodies (D) All of these
Description : Ketone bodies serve as a fuel for (A) Extrahepatic tissues (B) Hepatic tissues (C) Erythrocytes (D) Mitochondria
Description : The structure which appears to be the only organ to add significant quantities of ketone bodies to the blood is (A) Brain (B) Erythrocytes (C) Liver (D) Skeletal muscle
Description : In humans under normal conditions loss of ketone bodies via urine is usually less than (A) 1 mg/24 hr (B) 4 mg/24 hr (C) 8 mg/24 hr (D) 10 mg/24 hr
Description : The concentration of ketone bodies in the blood does not normally exceed (A) 0.2 mmol/L (B) 0.4 mmol/L (C) 1 mmol/L (D) 2 mmol/L
Description : All the following correctly describe the intermediate 3-OH-3-methyl glutaryl CoA except (A) It is generated enzymatically in the mitochondrial matrix (B) It is formed in the cytoplasm (C) It inhibits the first step in cholesterol synthesis (D) It is involved in the synthesis of ketone bodies
Description : All the following statements correctly describe ketone bodies except (A) They may result from starvation (B) They are present at high levels in uncontrolled diabetes (C) They include—OH β-butyrate and acetone (D) They are utilized by the liver during long term starvation
Description : Which of the following products of triacylglycerol breakdown and subsequent β-Oxidation may undergo gluconeogenesis? (A) Acetyl CoA (B) Porpionyl CoA (C) All ketone bodies (D) Some amino acids
Description : All the following statements regarding ketone bodies are true except (A) They may result from starvation (B) They are formed in kidneys (C) They include acetoacetic acid and acetone (D) They may be excreted in urine
Description : All of the following tissue are capable of using ketone bodies except (A) Brain (B) Renal cortex (C) R.B.C. (D) Cardiac muscle
Description : A pathway that requires NADPH as a cofactor is (A) Fatty acid oxidation (B) Extra mitochondrial denovo fatty acid synthesis (C) Ketone bodies formation (D) Glycogenesis
Description : The acetyl CoA formed on β-oxidation of all long chain fatty acids is metabolized under normal circumstances to (A) CO2 and water (B) Cholesterol (C) Fatty acids (D) Ketone bodies
Description : Ketone bodies are formed in (A) Kidney (B) Liver (C) Heart (D) Intestines
Description : All the following statements about ketone bodies are true except (A) Their synthesis increases in diabetes mellitus (B) They are synthesized in mitchondria (C) They can deplete the alkali reserve (D) They can be oxidized in the liver
Description : Ketone bodies are synthesized in (A) Adipose tissue (B) Liver (C) Muscles (D) Brain
Description : An enzyme required for the synthesis of ketone bodies as well as cholesterol is (A) Acetyl CoA carboxylase (B) HMG CoA synthetase (C) HMG CoA reductase (D) HMG CoA lyase
Description : In human and other ureotelic organisms, the end product of amino acid nitrogen metabolism: (A) Bile acids (B) Ketone bodies (C) Urea (D) Barium sulphate
Description : During starvation, ketone bodies are used as a fuel by (A) Erythrocytes (B) Brain (C) Liver (D) All of these
Last Answer : B
Description : What test is used to identify ketone bodies in urine?
Last Answer : Rotheraís test.
Description : Ketone bodies are formed in which tissue?
Last Answer : Liver.
Description : What are ketone bodies?
Last Answer : Aceto acetate, beta hydroxy butyric acid, and acetone.
Description : Which disaccharide has no free aldehyde or ketone group?
Last Answer : Sucrose.
Description : What is meant by analogous organs? Taking a suitable example, explain how they support the theory of Organic Evolution -Biology
Last Answer : Analogous organs are those organs which I have different basic structural design and developmental origin but have similar appearance and perform similar functions. Example: The wings of birds and bats look ... flying but their origins are not common. So, birds and bats are not closely related.
Description : ‘’ Intensive utilisation of railway track is need of the hour.’’ Justify this statement. -Geography
Last Answer : Growth in population has led to the increase in transport traffic in railways. Also, there is an increase in the transport goods from one place to another. Due to these reasons, the ... statement given above justifies the need for the maintenance of tracts as its utilisation has been increased.
Description : Which resources are surveyed and determined on the basis of their quantity and quality for utilisation ? -SST 10th
Last Answer : Developed resources.
Description : Hormone which enhance cellular uptake and utilisation of glucose as well as does hypoglycemia through glucogenesis is
Last Answer : Hormone which enhance cellular uptake and utilisation of glucose as well as does hypoglycemia through glucogenesis is
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 : Consider the following problems being faced by the Indian Coal Industry : 1. Poor quality of coal and bottlenecks in the coal movement 2. Low utilisation capacity of washeries 3. Growing dependence on the import of coking coal 4. ... (b) I, II, III and IV (c) I, III and IV (d) I, II and III
Last Answer : Ans: (b)
Description : Nitrogen fixation is a process of - (1) Assimilation of nitrate (2) Utilisation of nitrogen gas (3) Conversion of organic nitrogen to proteins (4) Conversion of molecular nitrogen to ammonia
Last Answer : (4) Conversion of molecular nitrogen to ammonia Explanation: Nitrogen fixation is a process by which nitrogen in the Earth's atmosphere is converted into ammonia (NH3) or other molecules available ... plants as nutrients. The conversion of organic nitrogen to proteins is achieved in Nitrogen cycle.
Description : The Earth Summit held in Rio de Janeiro in 1992 was called (a) for immediate steps to discontinue use of CFCs that were damaging the ozone layer (b) to reduce CO2 emissions and global ... utilisation of its benefits (d) to assess threat posed to native species by invasive weed species.
Last Answer : (c) for conservation of biodiversity and sustainable utilisation of its benefits
Description : Name a peptide hormone which acts mainly on hepatocytes, adipocytes and enhances cellular glucose uptake and utilisation. (a) Insulin (b) Glucagon (c) Secretin (d) Gastrin
Last Answer : (a) Insulin
Description : A plant in your garden avoids photorespiratory losses, has improved water use efficiency, shows high rates of photosynthesis at high temperatures and has improved efficiency of nitrogen utilisation. In which of the following ... you assign this plant? (a) CAM (b) Nitrogen fixer (c) C3 (d) C4
Last Answer : d) C4
Description : Gantt chart (or Bar chart) is helpful in (A) Efficient utilisation of manpower and machines (B) Preparing production schedule (C) Efficient despatching of products (D) Inventory control
Last Answer : (B) Preparing production schedule
Description : Scheduling provides information about the (A) Proper utilisation of machines (B) Means to minimise idle time for machines (C) Time of completion of job (D) Time of starting of job and also about how much work should be completed during a particular period
Last Answer : (D) Time of starting of job and also about how much work should be completed during a particular period