A crescograph is a device for measuring the growth in __________?

A. Micro Organism
B. Plants
C. Human
D. Pollution

Submitted by: Malik Asghar Hussain

A nuclear reactor is a device used to carry out controlled nuclear reaction whereas GM counter is a device used to detect?
A. Current B. Voltage C. Nuclear Radiation D. power E. None of these...
Instrument used for measuring very high temperature is __________?
A. Pyroscope B. Pyrometer C. Seismograph D. Xylometer...
A device which converts chemical energy into electrical energy is called __________?
A. motor B. generator C. moving-coil meter D. battery...
Hygrometer is used for measuring the ____________?
A. Speed of sound B. Density of milk C. Humidity of air D. Specific gravity of liquids E. None of these...
______________ is used for measuring velocity?
A. Speedometer B. Anemometer C. Odometer D. Hygrometer Submitted by: Fahad iqbal...
Which instrument is used to measuring height above sea leve?
A. Hygrometer B. Hypsometer C. Pyrometer D. Solometer Submitted by: Malik Asghar Hussain...
The most suitable thermometer for measuring boiling point of water is ?
A. Mercury Thermometer B. Liquid crystal thermometer C. Bimetallic thermometer D. Alcohol thermometer Submitted by: Mansoor Ahmed Suhag...
Curie is a unit of measuring the intensity of ___________?
A. Radioactivity B. Quantity of Heat C. Work or Energy D. Power Submitted by: Syed Nizakat Ali Shah...
Deficiency of __________ causes loss of appetite and poor growth?
A. zinc B. iodine C. copper D. iron...
The three elements needed for healthy growth of plants are __________?
A. N, P, K B. N, C, P C. N, K, D. N, S, P...