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State the two different uses of a water bath in the biological investigations.
Scientists investigated the consequence of a certain mineral on the growth of wheat.
What do you mean by Ecological or Eltonian pyramids? Explain the pyramid of numbers and pyramid of biomass in grassland and a tree ecosystem.
Cellular respiration might take place in one phase or two phases.
The diagram below shows part of the human alimentary canal and associated structures.
Evaluate J-shaped pattern with S-shaped pattern of population growth.
What do you mean by the term endotherm? What word is employed to explain animals which are not endotherms?
The struggle between organisms for a scarce resource.
Illustrate the role of mitosis in the single-celled organisms?
What color points out a strong positive outcome of the Fehling’s or Benedict’s test for dropping sugar?
What is the best description for the continual changes in the categorization system of organisms?
How are sexual reproduction and asexual reproduction distinct?
Which environmental factor would cause the biggest decrease in the number of species of plants and animals living in some of lakes in United States?
Which kind of molecule do whales use for the energy storage and insulation?
Which would most probable in the production of a mutation which is passed on to offspring?
Throughout which stage of the cell cycle is the cell growing and making for cellular division?
How does the amount of energy resultant from the fermentation compare with that of aerobic respiration?
Illustrate the difference between the full categorization of organisms and their scientific names?
Which statement best explains the relationship which exists among proteins, DNA and cells?
Which deals with the transmission of inherited traits from one generation to the other?
Describe the working principle of thermionic convertors. Describe the fuel properties of bio gas and community bio gas plants.
Explain the principle of MHD power generation. What do you mean by a fuel cell? Write down its components.
At 10% per annum compound interest a sum of money accumulates to Rs. 8750 in 4 years. Find the sum invested initially. Describe the different causes of changes in exchange rate.
Write the steps to compute the rate of yield to maturity. Describe with suitable example. Describe the different causes of changes in exchange rate.
Increase in human population was first observed when there was a change from hunter-gatherer man to ______ man.