Identify the possible link “A” in the following food chain : Plant insect – frog “A” Eagle
Options
(a) Rabbit (b) WoIf (c) Cobra (d) Parrot
Correct Answer:
Cobra
Explanation:
Food chain starts […]
Coralloid roots, which host a symbiotic relationship between an algae and host plant are features of
Options
(a) Cycas (b) Pinus (c) Pteris (d) Funaria
Correct Answer:
Cycas
Explanation:
Mycorrhiza (Myco’s = fungus, rize […]
Which of the following species contains three bond pairs and one lone pair around the central atom?
Options
(a) H₂O (b) BF₃ (c) NH₂⁻ (d) PCl₃
Correct Answer:
PCl₃
Explanation:
PCl₃ is central […]
The pair of species with the same bond order is:
Options
(a) O₂²⁻, B₂ (b) O₂⁺, NO⁺ (c) NO, CO (d) N₂, O₂
Correct Answer:
O₂²⁻, B₂
Explanation:
No explanation available. Be the […]
Bond order of 1.5 is shown by:
Options
(a) O₂⁺ (b) O₂⁻ (c) O₂²⁻ (d) O₂⁻
Correct Answer:
O₂⁻
Explanation:
No explanation available. Be the first to write the explanation for this question […]
The orbital angular momentum of a p-electron is given as :
Options
(a) h/(√2π) (b) √3 x (h/2π) (c) √(3/2) x h/π (d) √6 x h/2π
Correct Answer:
h/(√2π)
Explanation:
Orbital Angular Momentum […]
Which one of the following pairs is isostructural (i.e., having the same shape and hybridization)?
Options
(a) [BCl₃ and BrCl₃⁻] (b) [NH₃ and NO₃⁻] (c) [NF₃ and BF₃] (d) [BF₄⁻ and NH₄⁻]
Correct […]
The horizontal range and the maximum height of a projectile are equal. The angle of projection of the projectile is :
Options
(a) θ = tan⁻¹(1/4) (b) θ = tan⁻¹(4) (c) θ = tan⁻¹(2) […]
A particle has initial velocity (2i⃗+3j⃗) and acceleration (0.3i⃗+0.2j⃗). The magnitude of velocity after 10 seconds will be:
Options
(a) 9 √2 units (b) 5 √2 units (c) 5 units (d) 9 units
Correct […]
Phyllode is present in :
Options
(a) Asparagus (b) Euphorbia (c) Australian Acacia (d) Opuntia
Correct Answer:
Australian Acacia
Explanation:
Phyllode is present in Australian Acacia. It is modification of leaf in which […]
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