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One destination to find everything from exams to study materials.
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QnA |
Study Material
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A muscle cell viewed under a microscope shown the following characters.
Answer: If a muscle is placed in a solution containing calcium ions. Does the muscle contract? Substantiate. Answer: Skeletal muscle No. For muscle contraction to occur, the presence of Ca++Â ions intracellularly is needed.
Answer:
If a muscle is placed in a solution containing calcium ions. Does the muscle contract? Substantiate.
Answer:
A large quantity of one of the following is removed from our body by lungs.Â
Answer: (c) CO2Â and H2O
Answer:
See less(c) CO2Â and H2O
Why is aerobic degradation more important than anaerobic degradation for the treatment of large volumes of waste waters rich in organic matter ?
Answer: Organic matter in wastewater consumes a lot of oxygen to carry on various biological processes. It results in a reduction of oxygen levels In the surrounding air and thus can Increase air pollution. Consumption of oxygen by organic matter in wastewater is measured by BOD (Biochemical OxygenRead more
Answer: Organic matter in wastewater consumes a lot of oxygen to carry on various biological processes. It results in a reduction of oxygen levels In the surrounding air and thus can Increase air pollution. Consumption of oxygen by organic matter in wastewater is measured by BOD (Biochemical Oxygen Demand). A higher level of BOD indicates a higher polluting potential of wastewater. It is important to reduce the BOD so that pollution can be reduced. Hence, aerobic degradation is more important than anaerobic degradation for the treatment of large volumes of wastewater rich in organic matter. BOD level is reduced by aerobic degradation which is carried out by floc. Flocs are associations of bacteria and fungi which form mesh-like structures. Flocs eat away most of the organic matter in wastewater and thus help in reducing BOD. Once BOD Is pulled down below a threshold level the sludge is ready for anaerobic degradation.Â
See lessHow many ova will be produced by one full-grown primary oocyte?
One ova will be produced by one full-grown primary oocyte.
One ova will be produced by one full-grown primary oocyte.
See lessWhat is the significance of adding proteases at the time of isolation of genetic material (DNA) ?
Answer: Proteases degrade the proteins present inside a cell (from which DNA is being isolated) if the proteins are not removed from DNA preparation then they could interfere with any downstream treatment of DNA.
Answer: Proteases degrade the proteins present inside a cell (from which DNA is being isolated) if the proteins are not removed from DNA preparation then they could interfere with any downstream treatment of DNA.
See lessSpecies that can tolerate wide range of salinity are called .
Species that can tolerate wide range of salinity are called euryhaline.
Species that can tolerate wide range of salinity are called euryhaline.
See less‘Ψw = Ψs + Ψp Expand the equation
Answer: Ψw = Water potential is the sum of Ψs = Solute potential solute potential Ψp = pressure potential and pressure potential.
Answer:
To form one molecule of glucose in Calvin cycle
Answer: (d) 18ATPand12 NADPH are required
Answer:
See less(d) 18ATPand12 NADPH are required
What is the genetic constitution of endosperm of angiosperm.
Answer: Triploid
Answer:
See lessTriploid
Which of the following is not involved in Knee-jerk reflex?
Answer: (c) Brain
Answer:
See less(c) Brain