Which one of the following may require pollinators, but is genetically similar to autogamy?
Options
(a) Xenogamy (b) Apogamy (c) Cleistogamy (d) Geitonogamy
Correct Answer:
Geitonogamy
Explanation:
No explanation available. Be the first […]
Which of the following are the important floral rewards to the animal pollinators?
Options
(a) Nectar and pollen grains (b) Floral fragrance and calcium crystals (c) Protein pellicle and stigmatic exudates (d) Colour […]
The hilum is a scar on the:
Options
(a) Fruit, where it was attached to pedicel (b) Fruit, where style was present (c) Seed, where micropyle was present (d) Seed, where funicle was […]
Vertical distribution of different species occupying different levels in a biotic community is known as:
Options
(a) Stratification (b) Zonation (c) Pyramid (d) Divergence
Correct Answer:
Stratification
Explanation:
Stratification is the occurrence of vertical […]
The mass of living material at a trophic level at a particular time is called :
Options
(a) Standing state (b) Net primary productivity (c) Standing crop (d) Gross primary productivity
Correct Answer: […]
Secondary Succession takes place on/in:
Options
(a) Degraded forest (b) Newly created pond (c) Newly cooled lava (d) Bare rock
Correct Answer:
Degraded forest
Explanation:
No explanation available. Be the first to write […]
Rachel Carson’s famous book “Silent Spring” is related to :
Options
(a) Noise pollution (b) Population explosion (c) Ecosystem management (d) Pesticide pollution
Correct Answer:
Pesticide pollution
Explanation:
Rachel Carson’s book ‘Silent spring’ reveals […]
Most animals are tree dwellers in a:
Options
(a) Thorn woodland (b) Temperate deciduous forest (c) Tropical rain forest (d) Coniferous forest
Correct Answer:
Tropical rain forest
Explanation:
No explanation available. Be the […]
In an ecosystem the rate of production of organic matter during photosynthesis is termed as:
Options
(a) Gross primary productivity (b) Secondary productivity (c) Net productivity (d) Net primary productivity
Correct Answer:
Gross […]
A population will not exist in Hardy -Weinberg equilibrium if :
Options
(a) There are no mutations (b) There is no migration (c) The population is large (d) Individuals mate selectively
Correct Answer: […]
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