Statement— Should India make efforts to harness solar energy to fulfil its energy requirements?

Arguments— I)Yes, Most of the energy sources used at present is exhaustible.

II) No. Harnessing solar energy requires a lot of capital, which India lacks in.

#Question id: 11380

#10. Ecological Principles

Which of the following is/are NOT valid explanation(s) for the observed pattern of species richness?

#Question id: 11381

#10. Ecological Principles

Which of the following is decreasing order of NPP per unit area of different ecosystem?

#Question id: 11384

#10. Ecological Principles

Two islands, P and Q, are similar in habitat and other features. They are 100 and 200 km2 in size respectively, but have the same number of species. Which of the following statements can independently explain this observation?

(i) P is closer to the mainland than Q

(ii) P is further away from the mainland than Q

(iii) P has higher speciation rates than Q

(iv) P has lower speciation rates than Q

#Question id: 11385

#10. Ecological Principles

Which of the following biomes is correctly paired with the description of its climate?

A) savanna-low temperature, precipitation uniform during the year

B) tundra-long summers, mild winters

C) Taiga-relatively short growing season, Low precipitation

D) temperate grasslands-relatively warm winters, most rainfall in summer

E) tropical forests-nearly constant day length and temperature

#Question id: 11403

#10. Ecological Principles

Several categories of risk of species extinction have been defined. A species can be determined as critical endangered if there is considered to be

#Question id: 11404

#10. Ecological Principles

You were discovered 4 species in forest, their characteristic as following,

A specie eat only bamboo;

B species eat fruits of many tree species;

C species Short life span;

D species low population variability .

Which of the following species characteristics have been proposed as more prone to extinct?