Bihar Secondary Teacher (Science) : 03.12.2023

The species which are exclusively found in a particular region is known as:

Consider the following statements:

Assertion (A) – DNA copying is necessary during reproduction

Reason (R) – DNA copying leads to the transmission of characters from parents to offspring.

Choose the correct option from the following:

Which of the following statement is correct about electric current?

Consider the following statement regarding modern periodic table:

i. The atomic number was use as the basis of modern periodic table.

ii. The modern periodic table did not discuss the fixed position of hydrogen.

iii. The chemical reactivity of an atom can be known by its position in the Periodic table.

Which of the above statement is correct?

What is full form of IUPAC?

Which of the following can conduct heat and electricity?

Which substance is responsible for the hardness of water?

Which Vitamin helps in clotting of blood?

As per the classification of 1982, Protocista, fungi, plants and animals are classified under?

Which of the following is not the way of reproduction in plants?