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Organism and population
One mark questions:
1. Define benthic Zone? 2. Define the term ecological factor? 3. Name only one intracellular parasite? 4. What is biome? 5. Name the type of interaction seen between whale and barnacles growing on its back?
Two mark question:
1. Distinguish between the following : ectoparasites and endoparasites? 2. What are the main functions of water vapours present in the atmosphere? 3. Explain the response of all communities to environment over time? 4. Define Allen's rule? 5. Explain brood parasitism with help of an example?
Three mark question:
1.Describe thermal stratification in a lake? 2. Explain population growth curve? 3. List any three ways of measuring population density of a habitat? 4. Differentiate between natality and morality? 5. Describe various type of age pyramids?
Five mark question:
1. Describe environment factors and their importance to plants and animals? 2. What is ecology? Briefly explain four major abiotic factors of the environment? 3. Describe the various population characteristics? 4. What are the different types of adaptations found in animals ? Explain with suitable examples? 5. Draw and explain a logistic curve for a population of density (N) at a time (t) whose intrinsic rate of natural increase is (r) and carrying capacity (k) ?
Consider a simple model cell that consists of cytoplasm surrounded by a cell membrane. The cell's initial volume is 3 nL and contains 0.3 M protein and 0.2M Ca++. The cell is placed into a 500mL tank of 0.1 M calcium chloride. Neither Ca++ nor Cl-..
In pea plant flowers, purple (P) is completely dominant to white (p). If a plant that is true breeding for purple flowers is crossed with a plant with white flowers,
The minimum word size needed to specify at least twenty amino acids with only four bases (A,G,C,T) is three. What would be the minimum word size needed to specify twenty amino acids if there were only two bases available?
We have 2-eyes and 2-ears, yet we can see and hear very-well with only one. So, why do we have two? We have studied how having two eyes.
What is the role of risk management and corporate compliance programs in a health care facility
From the case study write a report that compares personal values and principles with the principles of support for working in health and social care.
Explain the movement or lack of movement of protein and glucose across the dialysis bag membrane
q1. an electric field with a magnitude of 170 nc exists at a spot that is 0.11 m away from a charge. at a place that is
Explain the process of DNA gel electrophoresis, including use of the procedure to analyze extracted DNA.
Plant molecular biologists have recently discovered genes that are responsible for controlling cell division in tomatoes. Why would such a discovery be important to producers of other kinds of fruits and vegetables ?
while short necked giraffes have an average of 2 young. WHat are the relative fitnesses of these two types of giraffes?
When doing RAPD PCR, what are the two important changes from the conditions used for standard PCR? (b) When doing RT-PCR (starting with RNA template), what are the two important changes from the conditions used for standard PCR?
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