Description : Study the pathway given below. Atmospheric CO2 mesophyll cell Bundle sheath cell Plasma- desmata Plasma membrane Cell wall HCO Phosphoenol- 3 - pyruvate Cell wall C acid ... b) Fixation Transamination Regeneration (c) Fixation Decarboxylation Regeneration (d) Carboxylation Decarboxylation Reduction
Last Answer : (c) Fixation Decarboxylation Regeneration
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 : Histidine is converted to histamine through the process of (A) Transamination (B) Decarboxylation (C) Oxidative deamination (D) Urea cycle
Last Answer : Answer : B
Description : If by radiation all nitrogenase enzyme are inactivated, then there will be no (a) fixation of nitrogen in legumes (b) fixation of atmospheric nitrogen (c) conversion from nitrate to nitrite in legumes (d) conversion from ammonium to nitrate in soil.
Last Answer : (a) fixation of nitrogen in legumes
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 : Pyridoxal phosphate is central to (A) Deamination (B) Amidation (C) Carboxylation (D) Transamination
Last Answer : Answer : D
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 : 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 : Photosynthesis in C4 plants is relatively less limited by atmospheric CO2 levels because (a) effective pumping of CO2 into bundle sheath cells (b) RuBisCO in C4 plants has higher affinity for CO2 (c ... d) the primary fixation of CO2 is mediated via PEP carboxylase. (2005) 65. In sugarcane plant
Last Answer : (d) the primary fixation of CO2 is mediated via PEP carboxylase.
Description : Bacteria, as a group, are responsible for A.nitrogen oxidation B.sulfur oxidation C.nitrogen fixation D.all of these
Last Answer : D.all of these
Description : The crops which are involved in nitrogen fixation are A- alfalfa and clover B- soybean C- bean and lupine D- all of these
Last Answer : all of these
Description : All of the following are features of prokaryotes except A- nitrogen fixation B- photosynthesis C- sexual reproductionD- .locomotion
Last Answer : sexual reproduction
Description : Leguminous plants are able to fix atmospheric nitrogen through the process of symbiotic nitrogen fixation. Which one of the following statements is not correct during this process of nitrogen fixation ... the conversion of atmospheric N2 to NH3. (d) Nitrogenase is insensitive to oxygen.
Last Answer : (d) Nitrogenase is insensitive to oxygen.
Description : Which enzyme is responsible for atmospheric nitrogen fixation? -Biology
Last Answer : answer:
Description : Symbiotic Bacteria responsible for the fixation of atmospheric nitrogen are present in - (1) peas (2) wheat (3) corn (4) oats
Last Answer : (1) peas Explanation: Nitrogen-fixing bacteria are microorganisms capable of transforming atmospheric nitrogen into fixed. nitrogen. Rhizobium is one such bacteria that is associated with leguminous plants ... and convert free nitrogen to ammonia, which the host plant utilizes for its development.
Description : The first stable product of fixation of atmospheric nitrogen in leguminous plants is (a) NO3 − (b) glutamate (c) NO2 − (d) ammonia
Last Answer : (c) NO2
Description : “Azotobacter” bacteria is known for biological fixation of which atmospheric gas? a. A Oxygen b. B Nitrogen c. C Carbon Dioxide d. D Helium
Last Answer : b. B Nitrogen
Description : Symbiotic Bacteria responsible for the fixation of atmospheric nitrogen are present in (1) peas (2) wheat (3) corn (4) oats
Last Answer : peas
Description : With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct? (a) Increasing atmospheric CO2 concentration up to 0.05% can enhance CO2 fixation rate. ( ... for higher yield. (d) Light saturation for CO2 fixation occurs at 10% of full sunlight.
Last Answer : (b) C3 plants respond to higher temperature with enhanced photosynthesis while C4 plants have much lower temperature optimum
Description : With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct ? (1) Increasing atmospheric CO 2 concentration up to 0.05% can enhance CO 2 fixation ... for higher yield (4) Light saturation for CO 2 fixation occurs at 10% of full sunlight
Last Answer : (2) C 3 plants respond to higher temperatures with enhanced photosynthesis while C 4 plants have much lower temperature optimum
Description : The term used for acquisition of naked DNA from its environment and its incorporation in their genome by a bacterium is A.transformation B.lysogenic conversion C.conjugation D.transduction
Last Answer : A.transformation
Description : The term used for acquisition of naked DNA from its environment and its incorporation in theirgenome by a bacterium is A- transformation B- lysogenic conversion C- conjugation D- .transduction
Last Answer : transformation
Description : The term used for acquisition of naked DNA from its environment and its incorporation in their A- transformation B- lysogenic conversion C- conjugation D- transduction
Description : Which national highway connects Delhi and Kolkata via Mathura and Varanasi? (1) NH4 (2) NH2 (3) NH10 (4) NH6
Last Answer : (2) NH2 Explanation: National Highway 2, commonly referred as Delhi-Kolkata Road, is a busy Indian National Highway that runs through the states of Delhi, Haryana, Uttar Pradesh, Bihar, Jharkhand, and West ... a major portion of the historical Grand Trunk Road along with NH 91 and NH 1 in India.
Description : Nitrogen oxidation (nitrification)refers to the A- conversion of ammonium ions into nitrates through the activities of certain bacteria B- changing of atmospheric nitrogen (N2) to nitrogen compounds C- sulfur is oxidized to the sulfate form through Thiobacillusbacteria D- none of the above
Last Answer : conversion of ammonium ions into nitrates through the activities of certain bacteria
Description : d-UMP is converted to TMP by (A) Methylation (B) Decarboxylation (C) Reduction (D) Deamination
Last Answer : Answer : A
Description : Coenzymes are required in which of the following reactions? (A) Oxidation-reduction (B) Transamination (C) Phosphorylation (D) All of these
Description : How Nitrogen fixation for plants occurs in what organism?
Last Answer : Nitrogen fixation is carried out by nitrogen fixing bacteria in the nodules of the roots of legumes, and in the soil.
Description : What serologicaL test requires sheep red blood cells and a preparation of antibodies that recognizes the sheep red blood ceLls? a. ELISA b. Radioimmunoassay c. Immunodiffusion d. Complement fixation test
Last Answer : d. Complement fixation test
Description : The serological reaction where antigens and antibodies form an extensive Lattice of large particles is called a. Fixation. b. Precipitation. c. Neutralization. d. Agglutination.
Last Answer : c. Neutralization.
Description : To reduce `1 CO_(2)` molecules in `C_(3)` cycle , assimilatory power needed is
Last Answer : To reduce `1 CO_(2)` molecules in `C_(3)` cycle , assimilatory power needed is A. `3ATP, 2NPDPH_(2)` B. ... ATP, 2NADPH_(2)` D. `6.5 ATP, 2NADPH_(2)`
Description : Light reaction produces assimilatory power in the form of
Last Answer : Light reaction produces assimilatory power in the form of A. ATP,`NADH_(2)` B. ATP, `NADPH_(2)` C. NAD D. NADP
Description : What are assimilatory roots? Give two examples.
Last Answer : Ans: Modified green adventitious roots that help in assimilation of carbon dioxide are called as assimilatory roots. Examples are Taeniophyllum, Tinospora.
Description : What The process of nitrogen fixation involved?
Last Answer : Changing it from a gas (N2) into a compound (often with O2
Description : "Mulching" is the term used for the process of (a) Covering the roots of plants with loose material, dung, etc. in order to protect them from soil erosion etc. (b) Breaking down big pieces ... into small ones (c) Transplanting of paddy seedlings (d) Nitrogen fixation of soil by use of fertilizers
Last Answer : Ans: (a)
Description : The process of nitrogen fixation in organ- isms is controlled by which gene?
Last Answer : Nifgenes
Description : The process in which nitrogen is released into the atmosphere is (1) Ammonification (2) Denitrification (3) Biological nitrogen Fixation (4) Nitirification
Last Answer : Biological nitrogen Fixation
Description : All of the following are electron acceptors for anaerobic respiration except: a. Carbonate. b. Oxygen gas. c. Nitrate. d. Sulfate.
Last Answer : b. Oxygen gas.
Description : In the blast furnace, incorporation of water vapour in the blast gives the following effect. (A) Increases the reducing potential of the gas (B) Increases the flame temperature (C) No significant change occurs (D) Increases the hydrogen content in the metal
Last Answer : (A) Increases the reducing potential of the gas
Description : n the time since E. coli and Salmonella diverged evolutionarily A.there has been little change in either genome B.E. coli has acquired many genes via horizontal transfer C.E, coli has lost approximately 50% of its genome D.none of these
Last Answer : C.E, coli has lost approximately 50% of its genome
Description : In the time since E. coli and Salmonella diverged evolutionarily A.there has been little change in either genome B.E. coli has acquired many genes via horizontal transfer C.E, coli has lost approximately 50% of its genome D.none of these
Description : Which of the following transport bacterial DNA to other bacteria via bacteriophages? A- Conjugation B- Transduction C- Transformation D- Translation
Last Answer : Transduction
Description : In the time since E. coli and Salmonella diverged evolutionarily A- there has been little change in either genome B- E. coli has acquired many genes via horizontal transfer C- E, coli has lost approximately 50% of its genome D- none of these
Last Answer : E, coli has lost approximately 50% of its genome
Description : The process by which an amino acid loses its amino group is called: a) hydration b) deamination c) oxidoamination d) dehydration
Last Answer : ANSWER: B -- DEAMINATION
Description : What is the code for open reduction with internal fixation for a right fifth metatarsal fracture?
Last Answer : Feel Free to Answer
Description : When x-ray demonstrates a fracture in which bone has splintered into several pieces, that fracture is described as a) comminuted. A comminuted fracture may require open reduction and internal fixation. b ... . An impacted fracture is one in which a bone fragment is driven into another bone fragment.
Last Answer : a) comminuted. A comminuted fracture may require open reduction and internal fixation.
Description : Surgical fusion of a joint is termed a) arthrodesis. Arthrodesis of a joint is created surgically to treat chronic pain. b) open reduction with internal fixation (ORIF). ORIF refers to ... periprosthetic space. d) arthroplasty. Arthroplasty refers to surgical repair of a joint or joint replacement.
Last Answer : a) arthrodesis. Arthrodesis of a joint is created surgically to treat chronic pain.
Description : Transamination is a (A) Irreversible process(B) Reversible process (C) Both (A) and (B) (D) None of these
Description : Spontaneous mutations could arise from a. DNA replication errors. b. Atmospheric Radiation. c. Addition Of Insertion Sequences. d. All the above (A—C) are correct.
Last Answer : d. All the above (A—C) are correct.