Lamarckism deals with

Consider the following statements.

1) Formation of ozone consumes oxygen.

2) Nitrogen-fixing by most bacteria happens in presence of oxygen.

3) Oxygen is consumed when the plant combines the carbon dioxide and the water by using the Sun's energy.

Select the correct answer using the codes below.

The Standard Model of particle physics

1) Accepts the theory that the Universe is made of from a few basic building blocks called fundamental particles

2) Rejects the theory of the existence of fundamental forces and postulates that the Universe is connected by invisible ‘quarks’ that behave like a large string

Which of the above is/are correct?

Which of the following planets in the solar system can float on water?

Electric instruments and meters can be influenced by stray magnetic fields which will cause errors in their readings. They can be shielded from such outside magnetic effects by surrounding them with