Question

Project work
Class 9th
Subject- Science
Q.1= Cell wall is found in organisms of kingdom fungi yet they are not included under plant kingdom. Why is it so?

Q.2= Group the following substances into elements or compounds:
Potassium, lime water, sulphur, washing soda,carbon, lead,vinegar.

Q.3= If the K shell of an atom are full and the M shell has 2 electrons then what is the atomic number of the atom?

Q.4= Define uniform motion and a non-uniform motion also state two example of each.

Q.5= A fire extinguisher is hurt by a rubber pipe that throws water at a very high speed. Explain this.​

Answer 1

Answer:

1. They are not included in kingdom plantae because kingdom fungi do not show autotrophic mode of nutrition they show saprophytic mode of nutrition.

Answer 2

• Explanation:

Q4 ans-In uniform motion the object travel equal distance in equal time example -rotation and revolution of earth.

In non-uniform motion the object travel unequal distance in equal interval of time example-motion of train, a person joking in a path etc.

hope it's help you...