Description : Is secondary productivity storage of energy or the conversion of energy to organic products? -Biology
Last Answer : answer:
Description : The rate at which light energy is converted into chemical energy of organic molecules is the ecosystem’s (a) net secondary productivity (b) gross primary productivity (c) net primary productivity (d) gross secondary productivity.
Last Answer : (b) gross primary productivity
Description : Secondary productivity is rate of formation of new organic matter by:
Last Answer : Secondary productivity is rate of formation of new organic matter by: A. Producer B. Parasite C. Consumer D. Decomposer
Description : The rate of formation of new organic matter by rabbit in a grassland, is called (a) net productivity (b) secondary productivity (c) net primary productivity (d) gross primary productivity.
Last Answer : (b) secondary productivity
Description : Secondary productivity is rate of formation of new organic matter by (a) consumers (b) decomposers (c) producers (d) parasites.
Last Answer : (a) consumers
Description : In an ecosystem the rate of production of organic matter during photosynthesis is termed as (a) secondary productivity (b) net productivity (c) net primary productivity (d) gross primary productivity.
Last Answer : (d) gross primary productivity.
Description : Natural organic fertilizers are found to be better then chemical fertilizers because – (1) chemical fertilizers are less productive (2) organic fertilizers are more productive (3) organic fertilizers sustain soil productivity (4) chemical fertilizers are toxic
Last Answer : (3) organic fertilizers sustain soil productivity Explanation: Organic fertilizers like compost are either soil conditioners or growth enhancers. They sustain crop yields and soil productivity in intensive cropping systems which leave low organic residues on the soil.
Description : Natural organic fertilizers are found to be better then chemical fertilizers because (1) chemical fertilizers are less productive (2) organic fertilizers are more productive (3) organic fertilizers sustain soil productivity (4) chemical fertilizers are toxic
Last Answer : organic fertilizers sustain soil productivity
Description : Assertion: Net primary productivity is gross primary productivity minus respiration. Reason :Secondary productivity is produced by hetrotrophs.
Last Answer : Assertion: Net primary productivity is gross primary productivity minus respiration. Reason :Secondary ... If both assertion and reason are false.
Description : The biomass available for consumption by the herbivores and the decomposers is called (a) net primary productivity (b) secondary productivity (c) standing crop (d) gross primary productivity.
Last Answer : (a) net primary productivity
Description : There are two properties of the cell necessary to maintain nonequilibrium cellular composition; the first is selectivity and the second is energy conversion. Which of the following statement(s ... transported via secondary active transport include hydrogen ions, calcium, amino acids and glucose
Last Answer : Answer: c, d The selectivity of the plasma membrane, although impressive, cannot account for the nonequilibrium composition of living cells. A cell can be maintained in a nonequilibrium state only by ... to drive the transport of a second species such as protons, calcium, amino acids, or glucose
Description : Which among (he following is not the outcome of decrease in prime lending rate? (1) to raise the bank loan (2) decline in saving rate (3) decline in productivity (4) increased demand of consumer products
Last Answer : (3) decline in productivity Explanation: Prime rate or prime lending rate is a term applied in many countries to a reference interest rate used by banks. The term originally indicated the rate ... falls to meet the new lower demand. Less output requires fewer worker, driving unemployment higher.
Description : Which among the following is not the outcome of decrease in prime lending rate ? (1) to raise the bank loan (2) decline in saving rate (3) decline in productivity (4) increased demand of consumer products
Last Answer : decline in productivity
Description : How do the lipids differ from the other organic compounds? a. They are the largest organic compounds. b. They are nonpolar compounds. c. They have no biological role. d. They are not used for energy storage.
Last Answer : b. They are nonpolar compounds.
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 : 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 : Conversion of starch to organic acids is required for (a) stomatal opening (b) stomatal closing (c) stomatal formation (d) stomatal activity.
Last Answer : a) stomatal opening
Description : Consider the following statements : Activated sludge process can be said to comprise : 1. Conversion of dissolved organic matter into biological flocs 2. Removal of dissolved BOD of the waste water 3. Digestion of the sludge Which ... 2 and 3 (b) 1 and 2 only (c) 2 and 3 only (d) 1 and 3 only
Last Answer : (b) 1 and 2 only
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 : Conversion of molecular nitrogen to ammonia
Description : The main purpose of control rod in a nuclear reactor is to control the (A) Chain reaction and hence the power output by regulating the number of secondary neutrons causing fission (B) ... radiation (C) Conversion of fissile material into fertile material (D) Velocity of the secondary neutrons
Last Answer : (A) Chain reaction and hence the power output by regulating the number of secondary neutrons causing fission
Description : The conversion of secondary alcohol to ketones in presence of aluminium isopropoxide and acetone as solvent is? a. Canizarro reaction b. Oppenauer oxidation c. Suzuki reaction d. Aldol Condensation
Last Answer : b. Oppenauer oxidation
Description : Following events occur in the cytoplasm and not inside storage vesicles, except (a) Conversion of tyrosine to dopa (b) Conversion of dopa to dopamine (c) Conversion of dopamine to norepinephrine (d) Conversion of dopamine to 3,4 dihydroxy phenyl acetic acid
Last Answer : Ans: C
Description : Gasification of the solid fuel converts its organic part into combustible by interaction with air/oxygen and steam so as to obtain a secondary gaseous fuel of high calorific value having no ash. Gasification reactions are ... __________ °C. (A) 400-500 (B) 900-1000 (C) 1400-1500 (D) 1700-1800
Last Answer : (B) 900-1000
Description : Organic compound (A), C4H8O, does not react with sodium or PCl5. However, it reduces an alkaline solution of a copper (II) salt on heating. Compound (A) could be (a) an aldehyde (b) a primary alcohol (c) a ketone (d) a secondary alcohol
Last Answer : an aldehyde
Description : What is organic storage ?
Last Answer : When toxins like mercury , DDT etc. are stored in the body of human and other animals through food , it is called organic storage.
Description : A very efficient converter of solar energy with net productivity of 204 kg/m2 or more is the crop (a) wheat (b) sugarcane (c) rice (d) bajra.
Last Answer : (b) sugarcane
Description : Which one of the following is not a functional unit of an ecosystem? (a) Energy flow (b) Decomposition (c) Productivity (d) Stratification
Last Answer : (d) Stratification
Description : Which one of the following is not a functional unit of an exosystem ? (1) Stratification (2) Energy flow (3) Decomposition (4) Productivity
Last Answer : (1) Stratification
Description : Which of the following statement is false? (a) Secondary storage is faster (b) Primary storage is both volatile and non volatile in nature. -Technology
Last Answer : (a) Secondary memory is the slowest and cheapest form of memory. It cannot be processed directly by the CPU and it must be first copied into RAM.
Description : ……….. is the latest optical disc secondary storage device. -Technology
Last Answer : Blu-ray Disc (BD)is the latest optical disc secondary storage device.
Description : Secondary storage is also called auxiliary storage. -Technology
Last Answer : TrueBecause secondary storage is a part of external memory. It is used to store a large amount of data at less cost per byte than primary memory.
Description : What are the factors to consider in choosing a secondary storage?
Last Answer : What is the answer ?
Description : What is the process of copying software programs from secondary storage media to the hard disk called? 1) Configuration 2) Download 3) Storage 4) Upload 5) Installation
Last Answer : Answer :5
Description : The process of starting a or restarting a computer system by loading instructions from a secondary storage device into the computer memory is called A) Duping B) Booting C) Padding D) CPS
Last Answer : Answer : B
Description : An online backing storage system capable of storing larger quantities of data is A) CPU B) Memory C) Mass storage D) Secondary storage
Last Answer : Answer : C
Description : Magnetic tape can serve as A) Secondary storage media B) Output media C) Input media D) All of the above
Last Answer : Answer : A
Description : Which unit holds data permanently? A) Input unit B) Secondary storage unit C) Output Unit D) Primary Memory Unit
Description : Which unit holds data temporarily? A) Input unit B) Secondary storage unit C) Output Unit D) Primary Memory Unit
Last Answer : Answer : D
Description : The secondary storage devices can only store data but they cannot perform A) Arithmetic Operation B) Logic operation C) Fetch operations D) Either of the above
Description : The central processing unit (CPU) consists of A) Input, output and processing B) Control unit, primary storage, and secondary storage C) Control unit, arithmetic-logic unit and primary storage D) Control unit, processing, and primary storage
Description : Which of the following is non-volatile storage? a) Backup b) Secondary c) Primary d) Cache
Last Answer : Answer: b Explanation: The secondary storage is the non-volatile storage unit because the data is not lost when the power supply is dissipated. Primary memory is the volatile memory
Description : Storage device where time to retrieve stored information is independent of address where it is stored is called _______ A. Random Access Memory B. Secondary Memory C. System D. None of the above
Last Answer : A. Random Access Memory
Description : Comparing with secondary storage, primary storage is ______ A. Slow and expensive B. Slow and inexpensive C. Fast and inexpensive D. Fast and expensive
Last Answer : D. Fast and expensive
Description : Common nickel-cadmium and nickel-iron storage batteries utilize _______________. A. acid primary cells B. alkaline primary cells C. acid secondary cells D. alkaline secondary cells
Last Answer : Answer: D
Description : Actual data processing operations are performed in the arithmetic logic section, but not in the “. Storage section of a processor unit a. Primary b. Accumulator c. Buffer d. Secondary
Last Answer : Primary
Description : The secondary storage devices can only store data but they cannot perform a. Arithmetic Operation b. Logic operation c. Fetch operations d. Either of the above
Last Answer : Either of the above
Description : Magnetic tape can serve as a. Secondary storage media b. Output media c. Input media d. All of the above
Last Answer : All of the above
Description : The central processing unit (CPU) consists of a. Input, output and processing b. Control unit, primary storage, and secondary storage c. Control unit, arithmetic-logic unit and primary storage d. Control unit, processing, and primary storage
Last Answer : Control unit, arithmetic-logic unit and primary storage
Description : The process of starting a or restarting a computer system by loading instructions from a secondary storage device into the computer memory is called a. Duping b. Booting c. Padding d. CPS
Last Answer : Booting