IFS (Forests Services) Zoology (Mains): Questions 1 - 4 of 4

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Question number: 1

» Cell Biology » Structure and Function of Cell and Its Organelles

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Appeared in Year: 2015

Essay Question▾

Describe in Detail

Describe the complexity of inner ear and its mechanism of hearing.

Explanation

  • Outline:

    • Human ear is the sensory part of the body that aid in two fundamental functions: hearing and maintenance of body balance.

    • Anatomically, inner ear is the innermost part of ear in comparison to outer and middle ear. Functionally, outer ear collects the vibrations of sound from the air and extends upto the tympanic membrane, which

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Question number: 2

» Ecology » Environmental Biodegradation » Pollution and Its Impact on Biosphere and Its Prevention

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Essay Question▾

Describe in Detail

What is pollution? Describe water pollution, its sources and effects on human health.

Explanation

  • Pollution is the addition of varieties of contaminants into the natural environment that cause contrary change. Pollutants, the components of pollution, can be either foreign substances/energies or naturally occurring contaminants.
  • Pollution can happen in any of the form or due to presence of chemical substances or energy, such as noise, heat or

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Question number: 3

» Non-Chordata and Chordata » Mammalia » Dentition

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Essay Question▾

Describe in Detail

Write an assay on dentition in mammals.

Explanation

Dentition is the formation and arrangement of teeth in an individual. Thus dentition in modern days can also be depicted as dental formula.

Introduction:

  • The alimentary canal of a human being or more commonly any mammal begins with an anterior opening called as mouth. Mouth opens out posteriorly through the anus. The mouth leads to buccal cavit

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Question number: 4

» Physiology » Nutritive Requirements » Pancreas and Intestinal Glands in Digestion and Absorption

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Essay Question▾

Describe in Detail

Functional morphology of pancreas in mammals.

Explanation

Pancreas is an elongated, lobulated reddish pink colored gland serving dual role as endocrine and exocrine.

Image of The Endocrine Portion of Pancreas

Image of the Endocrine Portion of Pancreas

Image of The Endocrine Portion of Pancreas

  • The endocrine portion of pancreas is composed of hormonal tissue distributed all over as discrete units called islets of Langerhans. These are about 1

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