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Many species of small plants like growi...

Many species of small plants like _______ growing in forests are adapted to photosynthesize optimally under very low light condition.

A

Tree and shrubs

B

Herb and shrubs

C

Tree and herbs

D

Herbs only

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The correct Answer is:
B
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Plants adapted to low light intensity have

Which of the following statements are false ? (I) Light is essential for life to exist on the earth. (II) Many species of small plant under the canopy to tall trees in forest show optinal use of available light due to having large sized antenna molecules and higher number of thylakoids. (III) UV-rays is not harmful for many organisms. (IV) Photoperiodic requirement is not essential for many plants for flowering (V) sun is the source of light and temperature for and . (VI) Red algae can live in deeper water of sea because of having pigment phycoerythirn.

Photosynthetic organisms occur at different depths in the ocean. Do they receive qualitatively and quantitatively the same light ? How do they adapt to carry out photosynthesis under these conditions.

[A]: Plants growing under trees show less photosynthesis. [R]: Green light is least effective in photosyn- thesis.

As compared to sun plats, plants adapted to low light intensity possess

A plant species shows several morphological variations in response to latitudinal gradient. When grown under similar conditions of growth, the morphological variations disappear and all the variants have common morphology. What are these variants called?

AAKASH INSTITUTE-ORGANISMS AND POPULATIONS -EXERCISE
  1. Salt concentration (salinity) of the sea measured in parts per thousan...

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  2. Shallow water region present on the edge of lake is called as

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  3. Many species of small plants like growing in forests are adapted to p...

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  4. Various characteristics of soil such as composition , grain size and a...

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  5. Soil best suited for plant growth is

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  6. Find out the correct diagrammatic representation of organismic respons...

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  7. The stage of suspended development shown by zooplanktons is called:

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  8. Which of the following organism is capable of meeting its water requir...

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  9. The per individual change in a population due to natality can be estim...

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  10. Vital index of a population is represented as

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  11. Which of the given age pyramid reflects a stable human population ?

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  12. Which of the following pairs contributes to an increase in population ...

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  13. The maximum number of individuals of a population which can be support...

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  14. The integral form of exponential growth equation will be

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  15. Which of the following curve represents Verhulst Pearl Logistic growth...

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  16. Mark the incorrect match (w.r.t. population interactions)

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  17. According to Gause, if two species are occupying same ecological niche...

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  18. Which of the following is a conduit for energy transfer across trophic...

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  19. Find the correct option (w.r.t. predation)

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  20. Association of cattle egret and grazing cattle represents

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