NEET Questions

Which of the following is the unit of measurement of water potential?

    Read the following statement carefully and choose the right answer from the codes given below

I.    PMA and silicon oil of low viscosity are considered as antitranspirant

II.    BAP, NAA and cobalt chloride is also used as antitranspirant

III.    Abscisic acid affects the mechanism of opening and closing of stomata

IV.    Starch of guard cells is converted into PEP ions by the process of hydrolysis

V.    Potometer works on the principle of potential difference between the tip of the tube and that of plant

VI.    Transpiration rate is directly proportional to the relative humidity

What is the correct unit for measuring nutrients in hydroponics nutrient solution?

What is the correct unit for measuring nutrients in hydroponics nutrient solution?

The temperature of the sun is measured with

The time period of the second’s hand of a watch is

The time period of the second’s hand of a watch is

Two thermometers are used to record the temperature of a room. If the bulb of one is wrapped in wet hanky

The resistance of the wire in the platinum resistance thermometer at ice point is 5$\Omega$ and at steam point is 5.25$\Omega$.When the thermometer is inserted in an unknown hot bath its resistance is found to be 5.5$\Omega$. The temperature of the hot bath is

The mass of a body measured by a physical balance in the lift at rest is found to be m. If the lift is going up with an acceleration a, its mass will be measured as