Peacock eats a snake and snake eats frog and frog eats insect while insect eats green plant therm position of peacock is
Options
(a) primary producer (b) secondary producer (c) decomposer (d) top […]
Plant grows in dry and saline soil is called
Options
(a) xerophyte (b) hydrophyte (c) halophyte (d) heliophyte
Correct Answer:
halophyte
Explanation:
Halophytes are those plants that occur naturally on soil or in […]
Source of energy in an ecosystem is
Options
(a) sun (b) ATP (c) sugar made by plant (d) green plant
Correct Answer:
sun
Explanation:
No explanation available. Be the first to write the […]
The place was rocky and burried but now there is a green forest, the sequence of origin is
Options
(a) lichen, moss, annual herbs and woody shrubs (b) moss, lichen, annual herbs and […]
In graphite C atom is in …state
Options
(a) sp³ (b) sp (c) sp² (d) none of these
Correct Answer:
sp²
Explanation:
In graphite, the carbon atoms are arranged in regular hexagons in […]
White lead is
Options
(a) Pb₃O₄ (b) PbO (c) 2PbCO₃.Pb (OH)₂ (d) Pb(CH₃COO)₂.Pb(OH)₂
Correct Answer:
2PbCO₃.Pb (OH)₂
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
AgNO₃ does not give precipitate with CHCl₃ because
Options
(a) CHCl₃ does not ionise in water (b) AgNO₃ does not reacts with (c) CHCl₃ is chemicaly inert (d) none of these
Correct Answer:
CHCl₃ […]
Molecular mass of a compound having empirical formula C₂H₅O is 90. Molecular formula is
Options
(a) C₂H₅O (b) C₃H₆O₈ (c) C₄H₁₀O₂ (d) C₅H₁₄O
Correct Answer:
C₄H₁₀O₂
Explanation:
No explanation available. Be the first […]
Which compound show geometrical isomerism
Options
(a) 1-butene (b) 2-propene (c) 2-butene (d) benzene
Correct Answer:
2-butene
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Which is not the property transition elements
Options
(a) Coloured salts (b) Variable valency (c) Fixed valency (d) coordinate complex formation
Correct Answer:
Fixed valency
Explanation:
No explanation available. Be the first to […]
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