Which of the following is incorrect?
Which of the following is incorrect?
Options
(a) noise pollution does not leave any residue in the environment (b) noise pollution creates nervous disorders (c) plants are efficient absorbers of noise of low […]
Questions
Which of the following is not a green house gas?
Which of the following is not a green house gas?
Options
(a) methane (b) oxygen (c) water vapour (d) carbon monoxide
Correct Answer:
oxygen
Explanation:
No explanation available. Be the first to write […]
Which one of the following acts as secondary pollutant?
Which one of the following acts as secondary pollutant?
Options
(a) Br₂ (b) Cl₂ (c) NO₂ (d) HNO₃
Correct Answer:
HNO₃
Explanation:
No explanation available. Be the first to write the explanation for […]
Which one of the following occurs in radioactive fall out and behaves like calcium
Which one of the following occurs in radioactive fall out and behaves like calcium in biogeochemical cycling of material in ecosystem?
Options
(a) strontium – 30 (b) cobalt – 60 (c) cesium – […]
Which pollutant released from motor vehicles?
Which pollutant released from motor vehicles?
Options
(a) NO₂ (b) CO (c) NO₃ (d) CH₄
Correct Answer:
CO
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Gumboro disease is caused by
Gumboro disease is caused by
Options
(a) fungus (b) bacteria (c) virus (d) ticks and mites
Correct Answer:
virus
Explanation:
Infectious Bursal disease (IBD), or Gumboro disease, is a viral disease affecting young […]
Heterosis is also called
Heterosis is also called
Options
(a) mutation (b) hybrid vigour (c) variation (d) hybrid sterility
Correct Answer:
hybrid vigour
Explanation:
Hybrid vigour or heterosis is defined as the superiority of the hybrid over […]
Honey is
Honey is
Options
(a) acidic (b) alkaline (c) salty (d) neutral
Correct Answer:
neutral
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
In crop improvement programmes, virus free clones can be obtained through
In crop improvement programmes, virus free clones can be obtained through
Options
(a) embryo culture (b) shoot apex culture (c) grafting (d) hybridization
Correct Answer:
shoot apex culture
Explanation:
Apical meristems or shoot […]
In high yielding hybrid crop varieties, to exploit hybrid vigour, the farmers need
In high yielding hybrid crop varieties, to exploit hybrid vigour, the farmers need to purchase fresh hybrid seed every year, because
Options
(a) it is cheaper to purchase fresh seed (b) hybrid vigour […]