Microscope and AK-47.
The instrument that is used to study cells is a microscope.
telescopes
An auxanometer is an instrument used to measure the growth of plants.
Could you specify? Why? Which? What kind of laboratory
Anemometer
Spectroscope
Gregor Mendel used pea plants to study heredity.
Seismograph.
Telescope
an optical telescope
the study OF plants is botany and the people WHO study plants are called botanists.
Either by supplying materials (wood) for instrument-making, or by inspiring composers.