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 : During anaerobic digestion of organic waste, such as in producing biogas, which one of the following is left undegraded? (a) Lipids (b) Lignin (c) Hemi-cellulose (d) Cellulose
Last Answer : (b) Lignin
Description : Name the organelle that contains high levels of hydrolases and is responsible for digestion of proteins, sugars, nucleic acids and lipids.
Last Answer : Lysosomes
Description : Do fats and water soluble molecules such as sugars get absorbed from the intestine directly into the blood?
Last Answer : The simple sugars do but not the fats. The presence of fat inthe small intestine produces hormones that stimulate the release ofpancreatic lipase from the pancreas and bile from the liver whichhelps in the emulsification of fats for absorption as fattyacids.
Description : How do our bodies respond to fats and sugars?
Last Answer : What is the answer ?
Description : Which of the followings gives a positive test for Ninhydrin? (A) Reducing sugars (B) Triglycerides (C) Alpha aminoacids (D) Esterified Fats
Last Answer : Answer : C
Description : Name all the elements found in lipids (fats)?
Last Answer : sulfur, chlorine, and helium
Description : What fats or lipids form animal body fat that is used for storage's energy and insulation?
Last Answer : Feel Free to Answer
Description : Predominant form of storage: (A) Carbohydrates (B) Fats (C) Lipids (D) Both (B) and (C)
Last Answer : Answer : D
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 : Which of the following compounds will not be classified as lipids? (a) Fats (b) Waxes (c) Soaps (d) Oils
Last Answer : Waxes
Description : Neutral fats, oils and waxes may be classified as: a) lipids b) carbohydrates c) proteins d) none of the above
Last Answer : ANSWER: A -- LIPIDS
Description : Macromolecule chitin is (a) sulphur containing polysaccharide (b) simple polysaccharide (c) nitrogen containing polysaccharide (d) phosphorus containing polysaccharide.
Last Answer : (c) nitrogen containing polysaccharide
Description : The slow rate of decomposition of fallen logs in nature is due to their (a) anaerobic environment around them (b) low cellulose content (c) low moisture content (d) poor nitrogen content.
Last Answer : (d) poor nitrogen content.
Description : Liver is a RICH source of - (1) sugars (2) fat soluble vitamins (3) minerals (4) proteins
Last Answer : (4) proteins Explanation: In general, liver is a good source of vitamin A, iron, zinc, copper and manganese, and a very good source of protein. There are twenty grams of protein in a single slice of liver.
Description : This early atmosphere was rich in CO2 and H2O. How did oxygen enter our atmosphere? (a) Meteorites. (b) From organisms that evolved to convert CO2 and H20 into sugars (energy), resulting in the waste product oxygen. (c) Volcanic emissions. (d) Methanogenic bacteria.
Last Answer : (b) From organisms that evolved to convert CO2 and H20 into sugars (energy), resulting in the waste product oxygen.
Description : Liver is a RICH source of : (1) sugars (2) fat soluble vitamins (3) minerals (4) proteins
Last Answer : proteins
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
Description : The aleurone layer in maize grain is specially rich in (a) proteins (b) starch (c) lipids (d) auxins.
Last Answer : (a) proteins
Description : Intestinal bacteria can grow in the presence of __________whereas nonintestinal bacteria are A.bile salts B.low concentration of various dyes C.sugars D.low levels of nitrogen
Last Answer : A.bile salts
Description : In calcium ammonium nitrate (CAN) fertiliser (A) Nitrate nitrogen is quick acting (B) Ammoniacal nitrogen is quick acting (C) Nitrate nitrogen is slower acting (D) None of these
Last Answer : (A) Nitrate nitrogen is quick acting
Description : Which of the following is a rich source of carbohydrates, proteins and fats? (1) Bean (2) Rice (3) Groundnut (4) Gram
Last Answer : (2) Rice Explanation: Rice is about 90 percent carbohydrate, 8 percent protein and 2 percent fat, so Rice is having all three nutrients.
Description : Deep fried food materials are carcinogenic because they are rich in - (1) Fats (2) Hydrocarbons (3) Cooking oil (4) Nicotine
Last Answer : (2) Hydrocarbons Explanation: If foods are overheated or burnt, a group of carcinogenic substances called polycyclic aromatic hydrocarbons (PAHs) are produced. PAHs represent a very large group of ... , PAHs can be absorbed in the intestine and distributed to other organs through blood circulation.
Description : Oranges are rich source of------? A. Carbohydrates B. Fats C. Proteins D. Vitamins (Answer)
Last Answer : D. Vitamins (Answer)
Description : Oranges are rich source of (1) Carbohydrates (2) Fats (3) Proteins (4) Vitamins
Last Answer : (4) Vitamins
Description : Deep fried food materials are carcinogenic because they are rich in (1) Fats (2) Hydrocarbons (3) Cooking oil (4) Nicotine
Last Answer : Hydrocarbons
Description : Do lipids contains nitrogen?
Last Answer : Lipids haven't nitrogen.
Description : Assertion: Detritus food chain begins with decomposers. Reason: Detrivores, like fungi and bacteria, are major decomposers in such food chains.
Last Answer : Assertion: Detritus food chain begins with decomposers. Reason: Detrivores, like fungi and bacteria, are ... and Reason are false, then mark (4)
Description : The layer of the marine biome where the animals are adapted to survive on detritus under even greater pressure is ………………..
Last Answer : The layer of the marine biome where the animals are adapted to survive on detritus under even greater ... the Disphotic layer (d) the Aphotic layer
Description : The sewage discharge in a detritus tank of a treatment plant is 576 litres/sec with flow velocity of 0.2 m/sec. If the ratio of width to depth is 2, the depth is A. 100 cm B. 110 cm C. 120 cm D. 150 cm
Last Answer : ANS: C
Description : The flow velocity in detritus tanks is A. 0.05 m/sec B. 0.09 m/sec C. 1.25 m/sec D. None of these
Last Answer : ANS: B
Description : In detritus tanks, A. Flow velocity is kept 0.09 m/sec B. Detention period is kept 3 to 4 minutes C. Organic and inorganic materials are separated D. All the above
Last Answer : ANS: D
Description : Given below is a simplified model of phosphorus cycling in a terrestrial ecosystem with four blanks (A-D). Identify the blanks. Consumers A D C Uptake Run off Soil solution B A B ... minerals Detritus (c) Detritus Rock minerals Producers Litter fall (d) Producers Litter fall Rock minerals Detritus
Last Answer : (c) Detritus Rock minerals Producers Litter fall
Description : Food chain in which microorganisms breakdown the food formed by primary producers is (a) parasitic food chain (b) detritus food chain (c) consumer food chain (d) predator food chain.
Last Answer : (b) detritus food chain
Description : The breakdown of detritus into smaller particles by earthworm is a process called (a) humification (b) fragmentation (c) mineralisation (d) catabolism
Last Answer : (b) fragmentation
Description : Mass of living matter at a trophic level in an area at any time is called (a) standing crop (b) detritus (c) humus (d) standing state.
Last Answer : (a) standing crop
Description : Fine grit present in sewage is removed in the __________ during sewage treatment. (A) Grit chamber (B) Detritus tank (C) Trickling filter (D) Skimming tank
Last Answer : (B) Detritus tank
Description : During sewage treatment, effluent from which one of the following treatment units has minimum wt/vol amount of suspended solids? (a) Detritus channel (b) Primary sedimentation tank (c) Secondary sedimentation tank (d) Activated sludge process aeration tank
Last Answer : (d) Activated sludge process aeration tank
Description : Indicate which of the statement is incorrect (a) The detritus tank is type of a grit chamber (b) In detritus tank, velocity of flow is further reduced (c) Grit chambers are provided in the sewage ... to remove the heavier inorganic matter as grit, sand etc. from the sewage (d) None of them*
Last Answer : (d) None of them*
Description : 5. The breakdown of detritus into small particles by detritivores is called a) Leaching b) Fragmentation c) Mineralisation d) Catabolism
Last Answer : b) Fragmentation
Description : The animals feed upon organic matter mixed with the soil are (a) Herbivores (b) Saprozoic (c) Mixotrophic (d) Detritus
Last Answer : (d) Detritus
Description : The compound that does not produce nitrogen gas by the thermal decomposition is
Last Answer : The compound that does not produce nitrogen gas by the thermal decomposition is A. `NH_(4)NO_(2)` B. `(NH_(4))_(2 ... 2)` D. `(NH_(4))_(2)Cr_(2)O_(7)`
Description : Nitrogen is obtained by the thermal decomposition of :
Last Answer : Nitrogen is obtained by the thermal decomposition of : A. `NH_(4)Cl` B. `NH_(4)NO_(3)` C. `AgNO_(3)` D. `NH_(4)NO_(2)`
Description : What is the decomposition formula for nitrogen monoxide?
Last Answer : Need answer
Description : Most of Nitrogen is used in the decomposition of __________ and thus plant shows deficiency symptoms : a. Amino acids b. Cellulose c. Carbon compounds d. Organic matter
Last Answer : Cellulose
Description : Which two distinct microbial processes are responsible for the release of fixed nitrogen as dinitrogen gas (N2) to the atmosphere? (a) Aerobic nitrate oxidation and nitrite reduction (b) ... fixation by Rhizobium in root nodules of legumes (d) Anaerobic ammonium oxidation and denitrification
Last Answer : (d) Anaerobic ammonium oxidation and denitrification
Description : How can lignin be deposited in the inner walls of xylem vessel?