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What is a lethal gene?...

What is a lethal gene?

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The gene which causes the death of the bearer is called lethal gene.
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NAVNEET PUBLICATION - MAHARASHTRA BOARD-ANSWER IN ONE SENTENCE-Organisms and Environment-II
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  2. Why are only left ovary and oviduct present in birds?

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  3. Who gave the competitive exclusion principle? What does it state?

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  4. What will happen if predator population becomes more efficient?

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  5. State the interaction in two leopards running to catch a deer as their...

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  6. Introduction of an exotic breed destroyed a lawn. What may be the name...

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  7. What is the effect of tobacco smoke on respiratory tubules in man?

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  8. State the cause of Minamata disease.

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  9. What are cursorial and fossorial adaptations?

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  10. Major source of air pollution is

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  11. What is Red Data Book ?

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  12. Name the gas which caused the Bhopal gas tragedy in 1984.

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  13. Which method of conservation of biodiversity includes hot spot method?

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  14. What is PUC certificate mandatory for all vehicles?

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  15. Give any two examples of commensalism.

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  16. Give any two examples of endangered species.

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  17. Longer toes and long prehensile tail indicate which adaptation ?

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  18. State the formula to calculate Natality.

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  19. What is the role of NEERI?

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  20. What is smog? Who coined this term?

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  21. Which is the place having highest sulphur dioxide pollution in Mumbai?

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