Environmental Science and Ecology - Mock Test 72

Question 711

Mutual relationship between two organism both benefiting each other is called?

A) symbiosis B) mutualism C) parasitism D) food chain

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Question 712

Sleep like state which an animal adopt to lower metabolic rates is called?

A) transpiration B) shedding of leaves C) hibernating D) migration

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Question 713

Type of aquatic animals that can survive in particular water is determined by analyzing its?

A) pH B) temperature C) volume D) turbidity

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Question 714

Vultures and Hyenas are?

A) herbivores B) carnivores C) omnivores D) scavengers

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Question 715

In a pyramid of numbers, in a grassland ecosystem, the largest population is that of?

A) Producers B) Tertiary Consumers C) Secondary consumers D) Herbivores e) Primary consumers

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Question 716

Harmful trace metals in fly ash?

A) antimony B) cadmium C) arsenic D) all of the above

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Question 717

Ozonosphere seen in?

A) ionosphere B) thermosphere C) mesophere D) stratosphere

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Question 718

High biological oxygen demand indicates?

A) absence of microbial pollution B) moderate microbial pollution C) intense level of microbial pollution D) all of these

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Question 719

Chipco movement is a public agitation that occurred in?

A) Mansbal area in Kashmir B) Silent valley in Kerala C) Sundarban area in Bengal D) Tehri Garhwal area of Uttar Pradesh

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Question 720

Drinking of fluoride containing water results ?

A) fluorosis B) chlorosis C) minemata D) methaemoglobinema

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