Biology - Comprehensive Mock Test 49

Question 481 Easy

Atherosclerosis refers to ailment of?

A) Kidney B) Heart C) Lungs D) Liver

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Question 482 Medium

Total amount of living material at the various trophic levels of a food chain is depicted by pyramids of ?

A) Numbers B) Energy C) Biomass D) All of these

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Question 483 Medium

Pheromones, the chemical messengers produced by certain exocrine glands of skin, affect ?

A) Skin color B) Breast C) Genitalia D) Mutual behaviour of members of a species

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Question 484 Medium

Organisms that can tolerate and thrive in a wide range of temperatures are called ?

A) Eukaryotic organisms B) Stenothermal C) Eurythermal D) None of these

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Question 485 Easy

Large Woody Vines are more commonly found in ?

A) Alpine forests B) Temperate forests C) Mangroves D) Tropical rainforests

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Question 486 Easy

Insectivorous plants are adopted to soils ?

A) Deficient in nitrogenous compounds B) Deficient in water C) Rich in water D) Deficient in trace elements

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Question 487 Medium

Information about birth rate, death rate, sex ratio, age distribution etc. of a population is obtained from ?

A) Mortality rate B) Life table C) Natality table D) Both A and C

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Question 488 Medium

The role of an organism in the ecological system is known as ?

A) Niche B) Habitat C) Herbivory D) Interaction

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Question 489 Medium

Individuals of a species which occur in a particular area constitute ?

A) Population B) Fauna C) Flora D) Flora and Fauna

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Question 490 Medium

In ecological succession from pioneer to climax community, the biomass shell ?

A) No relation B) Increase and then decrease C) Decrease D) Increase continuously

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