Through which organ does a fish respire?
Through which organ does a fish respire?
A. Nose
B. Lungs
C. Gills
D. Fins
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Bones Ash contain?
Bones Ash contain?A. calcium sulphate
B. phosphoric sulphate
C. Calcium sulphate
D. None of theseThe total energy of revolving electron in an atom_____________
The total energy of revolving electron in an atom_____________
A. Will always be positive
B. Can never be positive
C. Can have any value above zero
D. Cannot be negativeOnly male frog produce croacking sound because _________ ?
Only male frog produce croacking sound because _________ ?A. Male frog can magnify their voice with the help of sound box.
B. Male frog have three pair of vocal cord
C. Female frog have larynx but no vocal cord
D. Female frog have no larynxWhich body part in Human never grow?
Which body part in Human never grow?A. Pupil of eye
B. Kidney
C. Liver
D. None of theseThe chemical name of bauxite _______ ?
The chemical name of bauxite _______ ?A. Aluminium Oxide
B. Aluminium Chloride
C. Aluminium Sulphite
D. None of the aboveApiculture refers to___________?
Apiculture refers to___________?A. Rearing silk worms
B. Science of bee keeg
C. Science of gardening
D. Science of cultural norms and trends