BHU1998

A total root parasite is

A total root parasite is Options (a) Dendrophthose (b) Orobanche (c) Viscum (d) Santalum Correct Answer: Orobanche Explanation:Orobanche is a…

A person suffers from beriberi rickets and scurvy if he is not taking adequate

A person suffers from beri-beri, rickets and scurvy if he is not taking adequate amounts of Options (a) Vitamin B₁₂,…

Phytochrome in plants is sensitive to

Phytochrome in plants is sensitive to Options (a) green light (b) blue light (c) red light (d) red and far…

Hormones released during stress condition is

Hormones released during stress condition is Options (a) gibberellin (b) auxin (c) ethylene (d) ABA Correct Answer: ABA Explanation: Abscisic…

An ideal gas at constant temperature and pressure expands and its

An ideal gas at constant temperature and pressure expands and its Options (a) internal energy increases (b) internal energy decreases…

Equal volumes of methanoic acid and sodium hydroxide are mixed, if x is the heat

Equal volumes of methanoic acid and sodium hydroxide are mixed, if x is the heat of formation of water, then…

The neutralisation of a strong acid by a strong base liberates an amount

The neutralisation of a strong acid by a strong base liberates an amount of energy per mole of H⁺ that…

If 900 J/g of heat is exchanged at boiling point of water, then what is increase

If 900 J/g of heat is exchanged at boiling point of water, then what is increase in entropy Options (a)…

The gas molecules have r.m.s. velocity of its molecules as 1000 m/s

The gas molecules have r.m.s. velocity of its molecules as 1000 m/s. What is its average velocity Options (a) 546…

Pollinia are present in which plant family?

Pollinia are present in which plant family? Options (a) asteraceae (b) myrtaceae (c) asclepiadaceae (d) malvaceae Correct Answer: asclepiadaceaeExplanation:No explanation…