Description : Approximately seventy percent of carbon dioxide absorbed by the blood will be transported to the lungs
Last Answer : Approximately seventy percent of carbon dioxide absorbed by the blood will be transported to the lungs A. ... to R.B.C. D. as carbamino-haemoglobin
Description : Approximately seventy percent of carbon dioxide absorbed by the blood will be transported to the lungs (a) as bicarbonate ions (b) in the form of dissolved gas molecules (c) by binding to RBC (d) as carbamino - haemoglobin.
Last Answer : (a) as bicarbonate ions
Description : Pick out the wrong statement. (A) Biological oxygen demand (BOD) is a characteristic and not a constituent of water (B) BOD is a measure of the amount of oxygen which will be demanded & used in 5 days ... BOD is expressed in mg/litre (typically, BOD=2.5 mg/litre for potable water) (D) None of these
Last Answer : (D) None of these
Description : Which of the following statement(s) is/are true concerning oxygen delivery? a. The amount of oxygen delivered to peripheral tissues is dependent upon the oxygen content in arterial blood and cardiac ... O2/dL d. Normal systemic oxygen delivery for a typical adult is approximately 1000 cc/min
Last Answer : Answer: a, c, d The amount of oxygen that is delivered to peripheral tissues is the product of the oxygen content in arterial blood times the cardiac output. Normally, oxygen content of arterial blood is ... of venous blood is 16 cc/dL. Hence, the normal arterial-venous difference is 4 cc O2/dL
Description : An identified source of irrigation water has ion concentrations of Na+ , Ca++ and Mg++ as 20, 10 and 8 milliequivalents per litre, respectively. The SAR of this water is approximately : a) 2.06 b) 6.67 c) 2.67 d) zero
Last Answer : b) 6.67
Description : Harish buys petrol at rs 21, Rs.24 and Rs.27 per litre for 3 successive years. What approximately is the average cost per litre of petrol if he spends Rs.12000 each year? A) 23.74 B) 54.76 C) 24.66 D) 28.99
Last Answer : A) Total quantity of petrol consumed in 3 yr = (12000/21 +12000/24+12000/27) =12000(1/2 + 1/24 + 1/27) =12000(72+63+56/1512) =12000(191/1512) =(2292000/1512)litres Total amount spent = rs(3 *12000) = Rs.36000 Average cost = Rs(36000*1512/2292000) =Rs.23.74
Description : Free fatty acids released from adipose tissue are transported in blood by (A) Albumin (B) VLDL (C) LDL (D) HDL
Last Answer : Answer : A
Description : Oxygen in our blood is transported by a protein named?
Last Answer : haemoglobin
Description : What is true about RBCs in humans? (a) They carry about 20-25 percent of CO2. (b) They transport 99.5 percent of O2. (c) They transport about 80 percent oxygen only and the rest 20 percent of it is transported in dissolved state in blood plasma. (d) They do not carry CO2 at all.
Last Answer : (a) They carry about 20-25 percent of CO2.
Description : Which of the following happens in the common cockroach? (a) Malpighian tubules are excretory organs projecting out from the colon. (b) Oxygen is transported by haemoglobin in blood. (c) Nitrogenous excretory product is urea. (d) The food is ground by mandibles and gizzard.
Last Answer : (d) The food is ground by mandibles and gizzard.
Description : In the neurones: a. the axons convey impulse away from the cell body b. neurotransmitters are synthesized in the cell bodies and then transported to the axons c. the condition ... with fibre diameter d. the excitability is increased if the extracellular calcium concentration is decreased
Last Answer : the axons convey impulse away from the cell body
Description : At a respiratory quotient of 0.85, every litre of oxygen consumed represents an energy expenditure of (A) 5.825 kcal (B) 4.825 kcal (C) 3.825 kcal (D) 2.825 kcal
Last Answer : Answer : B
Description : The optimum dissolved oxygen level (in mg/litre) required for survival of aquatic organisms is - (1) 4 - 6 (2) 2 - 4 (3) 8 - 10 (4) 12 - 16
Last Answer : (1) 4 - 6 Explanation: Oxygen is one of several dissolved gases important to aquatic systems. Dissolved oxygen is necessary to maintain aerobic conditions in surface waters and is ... approach saturation - that concentration which is in equilibrium with the partial pressure of atmospheric oxygen.
Description : If the depletion of oxygen is found to be 2.5 mg/litre after incubating 2.5 ml of sewage diluted to 250 ml for 5 days at 20°C, B.O.D. of the sewage is A. 50 mg/l B. 100 mg/l C. 150 mg/l D. 250 mg/l
Last Answer : ANS: D
Description : Phenolic water generated in coke ovens & by-product plant attached to an integrated steel plant containing phenol in concentration of less than 100 mg/litre can be removed by (A) Chlorination (B) Treating in biological oxygen pond (C) Chemical coagulation (D) None of these
Last Answer : (B) Treating in biological oxygen pond
Description : Lagoons used for purification of polluted water (A) Are large shallow artificial lakes also known as clarification lakes, maturation ponds or oxidation ponds (B) Use micro-organisms/bacteria in presence of dissolved oxygen (C) Gives an ... 1 mg/litre and BOD = 3.8 mg/litre (D) All (A), (B) & (C)
Last Answer : (D) All (A), (B) & (C)
Description : Pick out the correct statement. (A) Chemical oxygen demand (COD) is a measure of chemically oxidisable organic matter present in water (B) COD is determined by oxidising the organic matter present in water with potassium dichromate ... of potable water may be 1-2 mg/litre (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : The optimum dissolved oxygen level (in mg/litre) required for survival of aquatic organisms is : (1) 4 – 6 (2) 2 – 4 (3) 8 – 10 (4) 12 – 16
Last Answer : 4 – 6
Description : How is oxygen and carbon dioxide transported in human beings ? -Biology
Last Answer : (i) Transport of oxygen : Haemoglobin present in the blood takes up the oxygen from the air in the lungs. It carries the oxygen to tissues which are deficient in oxygen before releasing it. (ii) ... the dissolved form in our blood plasma to lungs. Here it diffuses from blood to air in the lungs.
Description : About 97 % of oxygen is transported by RBC. The remaining 3 % is
Last Answer : About 97 % of oxygen is transported by RBC. The remaining 3 % is A. Dissolved in plasma ... C. Attached to cell membranes D. Found inside mitochondria
Description : The effect of propranolol on heart rate is least marked under the following condition: A. Physical exercise B. Rest C. Anxiety D. Sick sinus syndrome
Last Answer : B. Rest
Description : Fatty acids are a major energy source for the body. Which of the following statement(s) is/are true concerning the use of fatty acids as an energy source? a. Fatty acids are stored in ... 25% of total nonprotein caloric needs supplied via total parenteral nutrition should be in the form of fat
Last Answer : Answer: a, b, d In most tissues, fatty acids are readily oxidized for energy. They are especially important energy sources for the heart, liver and skeletal muscle. In ... administered to patients receiving total parenteral nutrition should comprise about 5-30% of total nonprotein caloric needs
Description : A large proportion of oxygen remains unused in the human blood even after its uptake by the body tissues. This O2 (a) acts as a reserve during muscular exercise (b) raises the pCO2 of ... enough to keep oxyhaemoglobin saturation at 96% (d) helps in releasing more O2 to the epithelial tissues.
Last Answer : (a) acts as a reserve during muscular exercise
Description : What is the weight of one litre of methane under standard conditions?
Last Answer : Molecular formula for methane is CH4.. Then, molecular mass of methane = 12 + 4 x 1 = 16 u. 1 mole of methane = 16 g = 22.4 L at STP. Therefore, weight of one litre of methane = 16/22.4 g = 0.714 g.
Description : When a litre of water is introduced in human blood
Last Answer : When a litre of water is introduced in human blood A. BMR increases B. BMR decreases C ... increases D. RBC collapses and urine production decreases
Description : What is the Normal Blood Volume in human adult? (1) One litre (2) Three litres (3) Five litres (4) Seven litres
Last Answer : (3) Five litres Explanation: The average adult has a blood volume of roughly 5 liters, which is composed of plasma and several kinds of cells. By volume, the red blood cells constitute about 45% of whole blood, the plasma about 54.3%, and white cells about 0.7%.
Description : What is the Normal Blood Volume in human adult ? (1) One litre (2) Three litres (3) Five litres (4) Seven litres
Last Answer : Five litres
Description : A large proportion of oxygen is left unused the human blood even after its uptake by the body tissue. This `O_(2)`
Last Answer : A large proportion of oxygen is left unused the human blood even after its uptake by the body ... releasing more `O_(2)` to the epitheliala tissues
Description : In a resting person, oxygen saturation of haemologin as blood leaves the tissue capillaries is :-
Last Answer : In a resting person, oxygen saturation of haemologin as blood leaves the tissue capillaries is :- A. 0.03 B. 0.4 C. 0.46 D. 0.75
Description : $ The tissue which connects a bone to the muscles is called cartilage. ! Haemoglobin of blood combines permanently with oxygen
Last Answer : $ The tissue which connects a bone to the muscles is called cartilage. ! Haemoglobin of blood combines ... wrong D. If both As and R are wrong.
Description : The Manufacturer of aeration devices reports the oxygen transfer rate of the device obtained through laboratory tests carried under standard conditions. Such standard condition are : (a) Wastewater at zero DO, 25°C and 760 mm ... DO, 20°C and 760 mm Hg (d) Wastewater at zero DO, 0°C and 700 mm Hg
Last Answer : (c) Tapwater at zero DO, 20°C and 760 mm Hg
Description : How much oxygen, blood supplies to tissues in one circulation in normal condition `,-`
Last Answer : How much oxygen, blood supplies to tissues in one circulation in normal condition `,-` A. `75%` B. `4%` C. `25%` D. `20%`
Description : Pick out the wrong statement. (A) Yellow phosphorous which is the most reactive allotropic form of phosphorous is transported under water (B) Apatite is the principal material present in ... fixation means the process of bringing atmospheric nitrogen into combination i.e. into nitrogen compound fo
Last Answer : (C) Urea is more hygroscopic than ammonium nitrate
Description : Potassium is kept & transported under (A) Water (B) Liquid ammonia (C) Kerosene oil (D) Alcohol
Last Answer : (C) Kerosene oil
Description : Yellow phosphorus is transported under (A) Air (B) Water (C) Nitrogen (D) Helium
Last Answer : (B) Water
Description : Is carbon dioxide transported in the blood by plasma hemoglobin and bicarbonate ions?
Last Answer : Need answer
Description : Progesterone is transported in blood by (A) Transcortin (B) Sex hormone binding globulin (C) Albumin (D) Testosterone estrogen binding globulin
Description : Testosterone is transported in blood by (A) Transcortin (B) Testosterone binding globulin (C) Testosterone estrogen binding globulin (D) Albumin
Last Answer : Answer : C
Description : Glucocorticoids are transported in blood (A) In association with transcortin chiefly (B) In association with albumin to some extent (C) In free form partly (D) All of these
Last Answer : Answer : D
Description : Iron is transported in blood in the form of (A) Ferritin (B) Haemosiderin (C) Transferrin (D) Haemoglobin
Description : Retinol is transported to the blood as retinol attached to (A) α1-globulin (B) α2-globulin (C) β-globulin (D) γ-globulin
Description : Vitamin B12 is transported in blood by (A) Albumin (B) Transcortin (C) Transcobalamin I (D) Transcobalamin II
Description : Retinol is transported in blood bound to (A) Aporetinol binding protein (B) α2-Globulin (C) β-Globulin (D) Albumin
Description : Free fatty acids are transported in the blood (A) Combined with albumin (B) Combined with fatty acid binding protein (C) Combined with β -lipoprotein (D) In unbound free salts
Description : Which are the two main metabolic gases transported by the blood?
Last Answer : The main metabolic gases transported by the blood are molecular oxygen (O2) and carbon dioxide (CO2).
Description : In the blood, fatty acids are transported as what form?
Last Answer : Albumin is the carrier of free fatty acid.
Description : The carbon dioxide is transported via blood to lungs mostly (a) in combination with haemoglobin only (b) dissolved in blood plasma (c) in the form of bicarbonate ions (d) as carbamino-haemoglobin and as carbonic acid.
Last Answer : (c) in the form of bicarbonate ions
Description : The majority of carbon dioxide produced by our body cells is transported to the lungs as (a) attached to haemoglobin (b) dissolved in the blood (c) as bicarbonates (d) as carbonates.
Last Answer : (c) as bicarbonates
Description : Which one of the following statements is true regarding digestion and absorption of food in humans? (a) Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions ... amylase in our mouth. (d) Oxyntic cells in our stomach secrete the proenzyme pepsinogen.
Last Answer : (a) Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions like Na