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 gemstones contains beryllium metal?
Topaz
Emerald
Ruby
Blue sapphire
Lowering the atmospheric pressure on a liquid
increases the boiling point of the liquid
lowers the boiling point of the liquid
does not affect the boiling point of the liquid
increases the time required for it to boil
The number of angular and radial nodes for 4d orbital is respectively
2 and 1
1 and 2
3 and 1
4 and 0
Which one of the following statements about proteins in mammalian cells is correct?
Proteins in mammalian cells are synthesized in cell membrane.
Proteins in mammalian cells are not synthesized in cell membrane but directly absorbed from food.
Proteins in mammalian cells are synthesized in rough endoplasmic reticulum.
Proteins in mammalian cells are synthesized in Golgi apparatus.
Which one of the following statements about transport mechanism in plants is correct?
Diffusion of ions and small molecules across cell membrane requires energy.
Active transport of ions and small molecules across cell membrane against concentration gradient requires energy.
Cells conserve energy and no energy is required for transport of ions and small molecules against concentration gradient.
Cells do not transport ions across their membrane as these are charged molecules.
