Question

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Sclerice
BIOLOGY:
Answer the following questions:
Define the term "Nutrition' and Nutrients'. List two differences between holozoic nu
saprophytic nutrition. Give two examples of each of these two types of nutrition.
How can we distinguish the living from the non living things?
Name the different modes of nutrition.
Why are leaves suitable for photosynthesis ?
How will you test for the presence of starch in a leaf?
Differentiate between the following:
a) Saprophytic & holozoic digestion. b) Herbivore and carnivore
Draw a labeled diagram of stomata & explain how it regulates closing & opening of stomatal pore
What precaution should you take while conducting an experiment to prove that CO2 is necessary
for photosynthesis.
Define the term parasitic nutrition. Give example of plant parasite.
What is photosynthesis? Write the equation for photosynthesis & explain mechanism of
photosynthesis.
Name the different types of heterotrophic nutrition?
What are Saprophytes? Give exampels..
How can you experimentally prove that light is essential process?
What are Macrophagous feeders? Give examples.
What are Microphagous feeders? Give examples.
Conduct a survey on crop plants which give more production and which can not give within the
same peace of land. Collect the information from farmers. Interpret the date with concept
phosynthesis Give your conclusion.
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PHYSICS:
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Answer 1

Soil compaction, low organic matter, loss of soil structure, poor internal drainage, salinisation and soil acidity problems are other serious soil degradation conditions that can accelerate the soil erosion process. This Factsheet looks at the causes and effects of water, wind and tillage erosion on agricultural land.