Sacred groves are specially useful in
Options
(a) preventing soil erosion (b) year-round flow of water in rivers (c) generating environmental awareness (d) conserving rare and threatened species
Correct Answer:
conserving rare and threatened […]
The second stage of hydrosere is occupied by plants like
Options
(a) Azolla (b) Typha (c) Salix (d) Vallisneria
Correct Answer:
Vallisneria
Explanation:
No explanation available. Be the first to write the explanation […]
The rate of formation of new organic matter by rabbit in a grassland, is called
Options
(a) net productivity (b) secondary productivity (c) net primary productivity (d) gross primary productivity
Correct Answer:
secondary […]
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* […]
Four diatomic species are listed below. Identilfy the correct order in which the bond order is increasing in them:
Options
(a) NO < O₂⁻ < C₂²⁻ < He₂⁺ (b) O₂⁻ < NO < […]
What is the function of germ pore?
Options
(a) Emergence of radicle (b) Absorption of water for seed germination (c) Initiation of pollen tube (d) Release of male gametes
Correct Answer:
Initiation of pollen […]
Vernalization stimulates flowering in
Options
(a) zamikand (b) turmeric (c) carrot (d) ginger
Correct Answer:
carrot
Explanation:
Carrot is a biennial plant which flowers in the second season. Vernalization is the subjection of seeds […]
Where do certain symbiotic micro-organisms normally occur in human body?
Options
(a) Caecum (b) Oral lining and tongue surface (c) Vermiform appendix and rectum (d) Duodenum
Correct Answer:
Caecum
Explanation:
The caecum is a […]
Which one of the following structures is an organelle within an organelle?
Options
(a) Ribosome (b) Peroxisome (c) ER (d) Mesosome
Correct Answer:
Ribosome
Explanation:
Ribosome are small naked (non membrane bound) particles made […]
Which one of the following generally acts as an antagonist to gibberellins?
Options
(a) Zeatin (b) Ethylene (c) ABA (d) IAA
Correct Answer:
ABA
Explanation:
Gibberellins & ABA are antagonistic with each other. ABA […]
2017 Copyright Doctor Dreams Training Academy