Question
The Ug-99 disease is associated
withSolution
In 1999, a new and more virulent strain of the stem rust fungus was observed on previously resistant wheat varieties in Uganda, and it was designated as Ug99.Â
Which of the following hormones requires a cell surface receptor for its action?
Main function of leaf is
What is the common name of calcium hydroxide?
A photon of energy 3 eV collides with a metal having a work function of 2 eV. Kinetic energy of the emitted electron is:
A mass m is suspended from a spring of spring constant k and oscillates with amplitude A. The maximum velocity during oscillation is:
A thin converging lens of focal length 20 cm is placed at the origin. An object is placed at x = –30 cm. A plane mirror is placed at x = +40 cm. The ...
Which of the following statements about permanent tissues is correct ?
___________ is an important mineral nutrient
A rocket with a lift-off mass 10,000 kg is blasted upwards with an initial acceleration of 5.0 m s–2. Calculate the initial thrust (force) ...
Which of the following are environment-friendly practices ?
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