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Silent Valley is tropical evergreen fore...

Silent Valley is tropical evergreen forest located in

A

Kerala

B

Karnataka

C

Maharashtra

D

Odisha

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Silent Valley is a National Reserve Forest in Kerala. Why is it called so?

Give two examples of evergreen trees

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In the tropical rainforest, the majority of trees have showy animal-pollinated flowers. In temperate forests the majority of trees are wind pollinated. Which factors best explain these contrasting patterns ? (i) Wind is rare in tropical forests. (ii) Because of high species diversity in the tropics, individuals of trees species are often widely separated making wind an inefficient means of pollen dispersal. (iii) More opportunities for coevolved mutualisms exist in tropical forests because of the high diversity of animal species. (iv) Trees in tropical forests are mostly evergreen and year-round leaf canopies impede pollen dispersal by wind. (v) Flowering in tropical forests occurs over a short period of time when wind is absent. (a) (i) , (ii) and (v) (b) (i),(iii) and (v) (c) (ii), (iii) and (iv) (d) (ii) and (iv)

Which of the following is not a features of biodiversity hotspots? (a) Large number of species (b) Abundance of endemic species (c) Mostly located in the polar regions (d) Mostly located in the tropics

Read the paragraph given below. Based on the paragraph and your acquired knowledge and understanding, answer the question. ''A traditional strategy for the protection of biodiversity has been in practice in India and some other Asian countries dimensions protected by tribal communities due to religious sanctity accorded to them. The sacred forests represent islands of pristine forests and have been free from all disturbances, though these are frequently surrounded by highly degraded landscape. In India, sacred forests are located in several parts e.g. Karnataka, Maharashtra, Kerala, Meghalaya etc and are serving as refugia for number of rare, endangered and endemic taxa.'' a. In India which are the major locations of sacred forests? b. By considering a sacred forest in your local area, list any two ecological significances of sacred forests. c. Due to the religious sanctity, sacred forests are protected to a certain extent. Do you agree? Justify your opinion.

Identify the tropical fruit.

Which one of the following ecosystem has the highest annual net primary productivity? (i) Temperate deciduous forest (ii) Tropical rain forest (iii) Tropical deciduous forest (iv) Temperate evergreen forest

Match items given in column I with those given in column II {:(,"Column I","Column II"),("A.","Rhinoceros","p. Bharatpur"),("B.","Tiger Project in Karnataka","q. Tropical evergreen forest"),("C.","Assemblage protection","r. Kaziranga"),("D.","Silent Valley","s. National Park"),(,,"t. Bandipur"):}

SARAS PUBLICATION-MODEL QUESTION PAPER 2-EXERCISE
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  4. The term ‘alpha diversity’ refers to

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  5. Silent Valley is tropical evergreen forest located in

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  11. Location of leydig cells and their secretions are:

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  12. Which of these is not a green house gas

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  13. In the following table,method of birth control along the device are gi...

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  14. Name the bioactive molecule used as an immunosuppressant. Name the mic...

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  15. When the intensity of a light source is increased.

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  16. The synthetic auxin which is widely used to kill dicotyledonous weeds ...

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  17. Taq polymerase enzyme used rDNA technology is extracted from

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  18. Natural genetic engineer of plants’ is

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  19. Bacteria that can fix atmospheric nitrogen while free living in the so...

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