Tag: zoology

Questions Related to zoology

Health is

  1. Weight of body according to height
  2. Absence of disease or infirmity

  3. State of complete physical, mental and social well being
  4. None of these


Correct Option: C
Explanation:

Health is defined as a state of complete physical, mental and social well-being. It depends on three parameters physical, mental and social. It is a dynamic condition resulting from a body's constant adjustment and adaptation in response to stresses and changes in the environment for maintaining an inner equilibrium called homeostasis.

The definition of health is given by

  1. WHO

  2. UNICEF

  3. ICD

  4. None of the above


Correct Option: A
Explanation:

The World Health Organization (WHO) defined health in its broader sense in its 1948 constitution. 

The ability of individuals to adapt to changes in the environment can be considered as

  1. Diseased

  2. Unhealthy

  3. Healthy

  4. Adaptation


Correct Option: D
Explanation:

 An adaptation is a change in organisms (plants and animals) that help to survive in their particular habitat and reproduce in the changing environment. It is necessary for organisms to survive if its surrounding change. Thus, the correct option is D.

Which of the following diseases is due to an allergic reaction ?

  1. goitre

  2. enteric fever

  3. skin cancer

  4. hay fever.


Correct Option: D
Explanation:

Hay fever is a form of allergy due to the pollen of grasses, trees, and other plants, characterized by inflammation of the membrane lining the nose and sometimes of the conjunctiva.

All acute diseases are not 

  1. Severe

  2. Unhealthy

  3. Short duration

  4. Harmful


Correct Option: A
Explanation:

An acute disease is a disease which mainly occurs for very short duration and it is not severe. It can be easily cured by regular treatment and it is not life threatening. Example- cough and cold.

Which of the following disease are caused due to the defects that are present from birth?

  1. Deficiency

  2. Hormonal

  3. Infectious

  4. Congential


Correct Option: D
Explanation:

The diseases which are present from the birth of an organism is known as congenital disorders. These diseases have genetic causes and are transmitted from parents to offsprings. Hence, these disorders are inherited from the parents within the womb or after the birth of the organism. Thus the correct answer is option D.

____________  is the spread of disease from animal to a person.

  1. Non-communicable

  2. Endemic

  3. Communicable

  4. Pandemic


Correct Option: C
Explanation:

Communicable diseases spread from one person to another or from an animal to a person. The spread often happens via airborne viruses or bacteria, but also through blood or other bodily fluid. The terms infectious and contagious are also used to describe communicable disease. For example- HIV/AIDS. 

Which of these organs, when infected shows symptoms of cough and breathlessness?

  1. Heart

  2. Stomach

  3. Lungs

  4. Kidney


Correct Option: C
Explanation:

The lungs may be infected due to the bacterial agent causing Pneumonia. This is the infection in which there is a production of large amount of mucus and so the person suffers from coughing and breathlessness, due to blockage of the air ways.

Thus, the correct answer is option C. 

If the disease lasts for more than ........... then it is said to be chronic.

  1. 7 months

  2. 3 days

  3. 7 days

  4. 3 months


Correct Option: D
Explanation:

Ailments which can last for a long time, as much as a lifetime are called as chronic diseases. These are mainly caused due to severe metabolic disorder. The term chronic is usually applied when the course of the disease lasts for more than three months.

So, the correct answer is option D.

Assertion: Medulla oblongata causes reflex actions like vomiting, coughing and sneezing.

Reason: It has many nerve cells which control autonomic reflexes.

  1. If both the assertion and the reason are true and the reason is the correct explanation of the assertion

  2. If both the assertion and the reason are true and the reason is not the correct explanation of the assertion

  3. If the assertion is true and the reason is false

  4. If both the assertion and the reason is false

  5. If the assertion is false but the reason is true


Correct Option: A
Explanation:

Medulla oblongata consists of accumulation of nerve cells act as vital centres of many automatic reflexes like vomiting, coughing and sneezing.