Advertisements
Advertisements
Mention the disadvantages of hard water.
Concept: undefined >> undefined
______ is a biocontrol agent.
Concept: undefined >> undefined
Advertisements
Agaricus is a biocontrol agent.
Concept: undefined >> undefined
Nostoc is used for fixing nitrogen.
Concept: undefined >> undefined
Match the following
| i. | Probiotic | a. | Kuru |
| ii. | Preservation | b. | Methanogen |
| iii. | Prion | c. | Curd |
| iv. | Biogas | d. | Sugar |
Concept: undefined >> undefined
Match the following
| i. | Amoeba | a. | Autotrophs |
| ii. | Algae | b. | Gills |
| iii. | Agaricus | c. | Biocontrol |
| iv. | Bt cotton | d. | Sporulation |
Concept: undefined >> undefined
Why does yeast help in fermentation?
Concept: undefined >> undefined
How are microbes useful in the industry?
Concept: undefined >> undefined
______ is not an example of diffusion.
Concept: undefined >> undefined
Assertion: Diffusion of molecules occurs through a semipermeable membrane.
Reason: Molecules of gases are only involved in diffusion.
Concept: undefined >> undefined
Assertion: People struck by lightning receive a severe electrical shock.
Reason: Lightning carries very high voltage.
Concept: undefined >> undefined
The property of _______ of a liquid surface enables the water droplets to move upward in plants.
Concept: undefined >> undefined
Numerical Problem.
A stone weighs 500 N. Calculate the pressure exerted by it if it makes contact with a surface of area 25 cm2.
Concept: undefined >> undefined
How does the friction arise between the surfaces of two bodies in relative motion?
Concept: undefined >> undefined
How does surface tension help a plant?
Concept: undefined >> undefined
Describe an experiment to prove that friction depends on the nature of a surface.
Concept: undefined >> undefined
In a thermos flask, the silvered walls reflect and radiate the heat outside.
Concept: undefined >> undefined
