(a) Different
(b) Same
(c) Both
(d) None of these
Answer:
Which one of the following can be used to confirm wether drinking water contains a gamma emitting isotope or not
(a) Scintillation counter
(b) Spectrophotometer
(c) Microscope
(d) Lead plate
Answer:
A bond formed by the transfer of electrons between atoms of the elements is called
(a) Co-ordinate bond
(b) hydrogen bond
(c) Ionic bond
(d) Covalent bond
Answer:
Modern periodic law had been given by
(a) Lavoisier
(b) Lother-Mayer
(c) Moseley
(d) Mendeleev
Answer:
Female reproductive harmones is
(a) Relaxin
(b) Estrogen
(c) Progestron
(d) All of these
Answer:
Which organelles in the cell, other than nucleus contains DNA?
(a) Mitochondria
(b) Lysosomes
(c) Centriole
(d) Goalgi apparatus
Answer:
A substance which is more than 80% in the cell is
(a) Water
(b) mineral
(c) Fat
(d) Protein
Answer:
Chromosomes other than sex chromosomes are called
(a) Isochromosomes
(b) Autosomes
(c) Microsomes
(d) Allosomes
Answer:
The smallest prokarytic organisom known
(a) Chlorolla
(b) Bacteria
(c) Microcyostis
(d) Mycoplasm
Answer:
The Indus Valley people traded with the
(a) Romans
(b) Parthians
(c) Mesopotamians
(d) Chinese
Answer: