Indian army has published the notification for SSC Tech 56 men and SSC Tech 27 women for the course commencing at OTA Chennai from April 2021
Which one of the following plant tissues has dead cells?
Epidermis
Parenchyma
Collenchyma
Sclerenchyma
The atomic mass of an element is equal to the sum of the number of
electrons and protons only
protons and neutrons only
electrons and neutrons only
electrons, protons and neutrons
Which one of the following is the most fundamental characteristic of an element?
Melting point
Atomic number
Colour
Atomic weight
The number of maximum electrons in N Shell is
2
8
18
32
How many covalent bonds are present in a Chloropropane molecule having the molecular formula, C3H7Cl?
6
9
10
