P-1 Question Bank — Science STD 10 — Question

Herdmania has notochord in only tail region and hence it is called Urochordate.

The modern periodic table has 1 to 7 periods.

• Right

• Wrong

Amino acids are obtained after digestion of proteins.

Euspongia is a sedentary animal.

UV and IR radiation are natural radiations.

The temperature at which air gets saturated by water vapour is called dew point.

In the modern periodic table, properties of the elements are a periodic function of their atomic numbers.

According to Mendeleev's periodic law, the properties of elements are a periodic function of their atomic numbers.

p-block is composed of groups 1 and 2.

• Right

• Wrong

State whether the following statement is true or false:
The axis of earth’s imaginary magnet and the geographical axis coincide with each other.