English Medium कक्षा ९ - CBSE Question Bank Solutions for Science

Name the subatomic particle whose relative charge is : +1

Fill in the blank of the following statement :

The anode rays obtained from hydrogen gas consist of particles called ________

What is a proton? State its relative mass and charge.

What is the absolute mass and charge of a proton?

How does a proton differ from an electron?

All the gases from cathode rays  anode rays when electricity is passed through them :

What does the formation of anode rays tell us about the atoms?

What is a proton? How does it differ from a neutron?

(a) What are cathode rays? What is the nature of charge on cathode rays?

(b) Explain how, cathode rays are formed from the gas taken in the discharge tube.

(c) What conclusion is obtained from the fact that all the gases from cathode rays?

Goldstein's experiments which involved passing high voltage electricity through gases at very low pressure resulted in the discovery of :

There are two species represented as ³⁵Cl and ³⁷Cl. Which of the following statement is correct regarding these species ?

Name the gas which produces anode rays consisting of protons in the discharge tube experiment.

Is it possible for the atom of an element to have one electron, one proton and no neutron. If so, name the element.

In response to a question, a student stated that in an atom, the number of protons is greater than the number of neutrons, which in turn is greater than the number of electrons. Do you agree with the statement? Justify your answer.

Complete the Table on the basis of information available in the symbols given below

1. `""_17^35"Cl"`
2. `""_6^12"C"`
3. `""_35^81"Br"`

While doing work and running, you move your organs like hands, legs, etc. Which among the following is correct?

Match the column (A) with the column (B)

Differentiate between meristematic and permanent tissues in plants

Name any two simple and two complex permanent tissues in plants.

Pteridophyta do not have

Who introduced the system of scientific nomenclature of organisms