UP2005

Which is difference between melting and boiling point of zero group elements

Which is difference between melting and boiling point of zero group elements Options (a) Melting point is higher than boiling…

Element having maximum electron affinity is

Element having maximum electron affinity is Options (a) F₂ (b) Cl₂ (c) Br₂ (d) I₂ Correct Answer: Cl₂Explanation:Electron affinity generally…

Number of (approximately) genes in E. coil are

Number of (approximately) genes in E. coil are Options (a) 4000 (b) 6000 (c) 10000 (d) 18000 Correct Answer: 6000Explanation:No…

Two organs which are similar in structure and origin, but not necessarily

Two organs which are similar in structure and origin, but not necessarily in function are called Options (a) homologous (b)…

Which one is a single membrane cell organelle?

Which one is a single membrane cell organelle? Options (a) Endoplasmic reticulum (b) Mitochondria (c) Lysosomes (d) Chloroplast Correct Answer:…

Function of embryonal suspensor in angiosperms is to

Function of embryonal suspensor in angiosperms is to Options (a) serve as channel for H₂O (b) push embryo deeper into…

Which of the following is the correct sequence of layers in typical monocot root

Which of the following is the correct sequence of layers in typical monocot root (from outer surface to inside)? Options…

Acrosome of sperm is formed from

Acrosome of sperm is formed from Options (a) nucleus of spermatid (b) mitochondria of spermatid (c) Golgi complex of spermatid…

Picrates formed by

Picrates formed by Options (a) Phenol (b) aromatic hydrocarbon (c) aromatic amine (d) all of these Correct Answer: PhenolExplanation:No explanation…

Phenol on reaction with bromine water would give

Phenol on reaction with bromine water would give Options (a) bromosalicylic acid (b) p-bromobenzoic acid (c) 1,3,5-tribromophenol (d) 2,4,6-tribromophenol Correct…