Sea lrttuce is
Sea lrttuce is
Options
(a) Laminaria (b) chlorella (c) sargassum (d) ulva
Correct Answer:
ulva
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting […]
Memory
Vagina,oesophagus,urethra contain which type of tissue
Vagina,oesophagus,urethra contain which type of tissue
Options
(a) stratified squamous epithelium (b) simple squamous epithelium (c) ciliated epithelium (d) columnar epithelium
Correct Answer:
stratified squamous epithelium
Explanation:
No explanation available. Be the first […]
Ostrich have one urinary bladder,whereas all others birds have
Ostrich have one urinary bladder,whereas all others birds have
Options
(a) two urinary bladders (b) no urinary bladders (c) one pair of urinary bladders (d) two pairs of urinary baldders
Correct Answer:
no […]
Moss peat is used as packing material for sending flowers and live plants
Moss peat is used as packing material for sending flowers and live plants to distant places because
Options
(a) it is easily available (b) it is hygroscopic (c) it reduces transpiration (d) it […]
Which of the following groups of plants depends on free water for fertilisation
Which of the following groups of plants depends on free water for fertilisation
Options
(a) Funaria,Gnetum and wheat (b) Lycopodium, salaginella and Equisetum (c) Welwitschia, Ephedra and Gnetum (d) Oak, mosses and live […]
If an electron has spin quantum number of +1/2 and a magnetic quantum number
If an electron has spin quantum number of +1/2 and a magnetic quantum number of -1, it cannot be represented in an
Options
(a) s-orbital (b) p-orbital (c) d-orbital (d) f-orbital
Correct Answer: […]
In the formation of N₂⁺from N₂, the electron is lost from
In the formation of N₂⁺from N₂, the electron is lost from
Options
(a) σ orbital (b) π orbital (c) σ * orbital (d) π * orbital
Correct Answer:
σ orbital
Explanation:
In the […]
During change of O₂ to O₂⁻ ion, the electron adds on which one of the following
During change of O₂ to O₂⁻ ion, the electron adds on which one of the following orbitals?
Options
(a) π* orbital (b) π orbital (c) σ* orbital (d) σ orbital
Correct Answer:
π* […]
In a homonuclear molecule, which of the following sets of orbitals is degenerate?
In a homonuclear molecule, which of the following sets of orbitals is degenerate?
Options
(a) σ 1s and σ 2s (b) π 2px and π 2py (c) π 2px and σ 2pz (d) […]
Which one of the following explains light both as stream of particle and as wave
Which one of the following explains light both as stream of particle and as wave motion?
Options
(a) Diffraction (b) Interference (c) λ=h/p (d) Photoelectric effect
Correct Answer:
λ=h/p
Explanation:
λ= h/p = […]