In the extraction of aluminium from bauxite, cryolite is used to
In the extraction of aluminium from bauxite, cryolite is used to Options (a) decreases the boiling point of aluminium (b)…
6 years ago
UP2000
The bond length in LiF will be
The bond length in LiF will be Options (a) less than that of NaF (b) more than that of KF…
6 years ago
The first ionisation potential will be maximum for
The first ionisation potential will be maximum for Options (a) lithium (b) hydrogen (c) uranium (d) iron Correct Answer: hydrogenExplanation:No…
6 years ago
Lymph differs from blood in having
Lymph differs from blood in having Options (a) no R.B.C (b) no W.B.C (c) more W.B.C than R.B.C (d) all…
6 years ago
Rh factor is present in
Rh factor is present in Options (a) all vertebrates (b) all mammals (c) all reptile (d) man and rhesus monkey…
6 years ago
The process of transfer of genetic information from DNA to RNA is
The process of transfer of genetic information from DNA to RNA is Options (a) transversion (b) transcription (c) translation (d)…
6 years ago
Biological control of pests is
Biological control of pests is Options (a) polluting (b) highly expensive (c) self-perpetuating (d) toxic Correct Answer: self-perpetuatingExplanation:No explanation available.…
6 years ago
A living substance of a cell was termed as ‘sarcode’ by
A living substance of a cell was termed as 'sarcode' by Options (a) Robert Brown and Theodore Schwann (b) Robert…
6 years ago
African sleeping sickness is caused by
African sleeping sickness is caused by Options (a) Giardia intestinalis (b) Trichomonas vaginalis (c) Trypanosoma gambiense (d) Leishmania donovani Correct…
6 years ago
The oxidation state of Cr in K₂Cr₂O₇ is
The oxidation state of Cr in K₂Cr₂O₇ is Options (a) -5 (b) 6 (c) -6 (d) 5 Correct Answer: 6Explanation:No…
7 years ago