Which one of the following element is present only in living organisms?
Calcium
Carbon
Hydrogen
Oxygen
In non -living forms, the organisation stops at the level of molecules or proceeds to form
Crystals
Colloids
Protoplasm
a & b
Select the lowest level of organisation in an organism which is living.
Proteins
Atoms
Molecules
The long hair like processes of a cell is called
flagella
tail
cilia
none of these
Structure of the leaf is suitable for carrying
Photosynthesis
Respiration
Transmission
None
In living organisms organs constitute to form an
Organ system
Cell
Tissue
Organ
Molecules of Nucleotides are organised into
Amino acids
Nucleic acids
Acetic acids
All the above
Molecules of aminoacids are organised into
Ammonia
Urea
Oil
Atoms present in living and non- living things are
Which is used in aeroplane for its flight?
Petrol
Diesel
Aviation fuel
None of these