What is true about Nereis, scorpion, cockroach and silver fish?
What is true about Nereis, scorpion, cockroach and silver fish?
Options
(a) They all posses dorsal heart (b) None of them is aquatic (c) They all belong to the same phylum (d) They […]
AIPMT2007
About 98 percent of the mass of every living organism is composed of just six element
About 98 percent of the mass of every living organism is composed of just six element including carbon, hydrogen, nitrogen, oxygen,
Options
(a) Sulphur and magnesium (b) Magnesium and sodium (c) calcium and phosphorus […]
A high density of elephant population in an area can result in
A high density of elephant population in an area can result in
Options
(a) intra specific competition (b) inter specific competition (c) predation on one another (d) mutualism
Correct Answer:
intra specific competition
One of endangered species of Indian medicinal plants is that of
One of endangered species of Indian medicinal plants is that of
Options
(a) Ocimum (b) Garlic (c) Nepenthes (d) Podophyllum
Correct Answer:
Podophyllum
Explanation:
No explanation available. Be the first to write the explanation […]
Geometric representation of age structure is a characteristic of
Geometric representation of age structure is a characteristic of
Options
(a) population (b) landscape (c) ecosystem (d) biotic community
Correct Answer:
population
Explanation:
No explanation available. Be the first to write the explanation […]
Which one of the following is not a bioindicator of water pollution?
Which one of the following is not a bioindicator of water pollution?
Options
(a) Blood-worms (b) Stone flies (c) Sewage fungus (d) Sludge-worms
Correct Answer:
Stone flies
Explanation:
No explanation available. Be the […]
Identify the odd combination of the habitat and the particular animal concerned
Identify the odd combination of the habitat and the particular animal concerned
Options
(a) Sunderbans – Bengal Tiger (b) Periyar – Elephant (c) Rann of kutch – Wild Ass (d) Dachigam – Snow National […]
Which one of the following ecosystem types has the highest annual net
Which one of the following ecosystem types has the highest annual net primary productivity?
Options
(a) tropical deciduous forest (b) temperate evergreen forest (c) temperate deciduous forest (d) tropical rain forest
Correct Answer: […]
In a coal fired power plant electrostatic precipitators are installed
In a coal fired power plant electrostatic precipitators are installed to control emission of
Options
(a) NO2 (b) SPM (c) CO (d) SO2
Correct Answer:
SPM
Explanation:
In recent years, the increases in toxic […]
Which one of the following ionic species has the greatest proton affinity to form
Which one of the following ionic species has the greatest proton affinity to form stable compound?
Options
(a) NH₂⁻ (b) F⁻ (c) I⁻ (d) HS⁻
Correct Answer:
NH₂⁻
Explanation:
Proton affinity decreases in […]