WorksheetsMixed bag-Science
Total questions: 11
Worksheet time: 4mins
Nutrition is the process of ________ of food and its proper ____________ in the body.
(a)
What is the formula for photosynthesis?
6CO2 +3H2O --(in the presence of sunlight and chlorophyll)--> C6H6015 + 6O2
6CO2 +6H2O --(in the presence of sunlight and Chlorophyll)--> C6H12O6 + 6O2
Carbon dioxide + Water in the presence of sunlight and Chlorophyll equals to Glucose
6CO2 +6H2O --(in the precedence of sunlight and clorophyll)--> C6H15O6 + 6O2
What is the function of guard cell in the stomata?
The guard cell regulate opening and closing of the stomata
They increase surface area of roots, so they can absorb more water
Replenish nitrogen in the soil
They transport water and soluble nutrients through the plant
In chemistry, salt refers to ________________________________________
Himalayan pink salt
the pH indicator
the product of the reaction between an acid and a base
The product of Neutralization
State which of the following statements are true.
Acids are the only type of substances which are corrosive.
Acids and bases are usually not corrosive in nature.
Salts can cause severe burns.
Acids and bases can both be corrosive and can cause severe burn.
Minerals acids are usually stored in _________ or __________ containers.
(a)
Who coined the term Photosynthesis?
Robert Hooke
William Gilbert
David Copperfield III
Charles Reid Barnes
Xylem is part of _________________ bundle
Vascular
Scalpular
Phloem
Spinach
What is the main function of root hair?
to increase the surface the area of roots.
they are found in great numbers near the tips of roots
controlling the passage of substance going in and out of the cell.
to help in the exchange of nitrogen.
___________ paper which is made out of _________ is used to identify if a certain substance is acidic, basic or neutral.
(a)
Choose the option where all the conditions required for Photosynthesis is mentioned.
Light, soil, water, chlorophyll, china rose
Chloroplast, light , water, carbon oxide
Carbon dioxide, chlorophyll, water, light
Carbon dioxide, oxygen, light, methyl orange
