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A. What is movement of cell against concentration gradient is called1) osmosis2) active transport3) diffusion4) passive transport
B. Plants receive their nutrients mainly from ?1)atmosphere2)chlorophyll3)light4)soil
C. What is Pollination ?1)germination of pollen grains2)growth of pollen tube in ovule3)transfer of pollen from anther to stigma4)visiting flowers by insects
D. Which one of the following air pollution can affect blood stream leading to death ?1)Cadmium2)Asbestos dust3)Carbon monodioxide4)Lead
E. Which one of the following disease is not transmitted by tiger mosquitoes ?1)Dengue2)Chikungunya3)Japanese Encephalitis4)Yellow fever
F. Which of has following group of gases contribute to the 'Green House Effect' ?1)Carbon tetrafluoride and Nitrous oxide2)Carbon monoxide and Sulphur dioxide3)Ammonia and Ozone4)Carbon dioxide and Methane
G. Among the biotic components of the ecosystem, the producer system is ?1)Sea2)Rivers3)Green Plants4)Animals
H. Placenta is the structure formed :1)by fusion of germ layers2)by foetus only3)by the union of foetal and uterine tissue4)by uterine only
q1. how may you use a radioactive isotope to find out whether the oxygen in co2 comes from sugar or oxygen gas?animals
Who wrote the essay that inspired both Darwin and Wallace to develop the theory of natural selection? What did the essay say?
Reaction set up- BCR/ABLtranscripts: You will assemble a ‘master mix' with sufficient volume to perform 2 x 20μL (repeat) reactions for each transcript level quantification. Remember to change pipette tips after pipetting each solution (to avoid c..
In an insect's life history, the juvenile undergoes a process of physical change called? When does DNA replication take palce in the cell cycle
Compute the solute potential of a 0.1 M NaCl solution at 25 degrees. If the concentration of NaCl inside the plant cell is 0.15 M,
The key difference between the larger or "regular" moons and the smaller or "irregular" moons of the Jovian planets is that.
Breach of Contract-Describe how the breach of contract you identified could have been avoided
Explain the procedures involved in blood doping. What are the physiological mechanisms behind blood doping that attempt to achieve the desired outcome.
In the apoptosis pathway in C. elegans. What would be the difference in cell response between a cell that has a CED-9 mutation and a cell that has a CED-4 CED-9 double mutation? Explain why the difference is expected.
Some biologists consider evolution to be a fact. In your opinion, is it really a fact? Why? Is there a valid debate about evolution? Support your response with evidence.
If an individual was exercising at an exercise intensity of 1.5 liters of oxygen per minute, and had a mechanical efficiency of 20 percent, how many heat Calories would this person generate in 30 minutes?
1. List the characters your organism has that helped you place it in the taxonomic group. 2. List two other organisms that are in the same taxonomic group as your organism.
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