Homeostasis

Q.

Briefly explain the hormonal regulation of blood glucose level.

Q.

How do animals use their body parts to survive?

Q.

Humans are _____ animals.

Q. Which of the following is not a part of the human digestive system?

1. Trachea
2. Pharynx
3. Gall Bladder
4. Pancreas

Q.

Saliva is secreted by ____.

1. liver

2. rectum

3. salivary glands

4. stomach

Q. Assertion [A]: Health is a state of good physical, mental and social well being.

Reason [R]: Homeostasis is the ability to maintain internal stability in an organism to compensate for external environmental changes.

1. Both A and R are correct and R is the correct explanation for A.
2. A is true and R is false
3. Both A and R are false
4. Both A and R are correct but R is not the correct explanation for A.

Q.

What are the effects of stimulation of the heat loss center?

Q.

Question 10

Which one of the following is not associated with reproduction?
(a) A new leaf coming out of a tree branch.
(b) A dog giving birth to puppy.
(c) A seed growing into a plant.
(d) Chick hatching from an egg.

Q. Which organ and organ system help to maintain homeostasis?

[Review question: Pg. No: 216]

Q. The ejaculatory duct is formed by the union of the

1. vas deferens with the duct of the seminal vesicle
2. vas deferens with the duct of bulbourethral gland
3. vasa efferentia with the prostatic duct
4. vas deferens with the prostatic duct

Q. Pneumatophores are found in plants of

1. Desert
2. Near river banks
3. Grasslands
4. Mountains

Q. Which of the following is not a factor that has to be homeostatically maintained?

1. Pressure and Volume
2. Concentration of Nucleic Acids
3. Temperature
4. pH Level

Q. Differentiate Locomotion and Movement.

Q. Hatchability of egg is generally influenced by __ temperature.

1. 37 to 38-degree Celsius.
2. 18 to 20-degree Celsius.
3. 40 to 41-degree Celsius.
4. 15 to 16-degree Celsius.

Q. Which of these define the term 'Homeostasis'?

1. The ability of the body to change its external environment.
2. The ability of the body to survive without respiration.
3. The ability of the body to camouflage.
4. The ability of the body to maintain a condition of equilibrium with external changes.

Q.

Water from the undigested food is absorbed mainly in the ___.

1. stomach

2. large intestine

3. food pipe

4. small intestine

Q. Choose the correct answer from the alternatives givens.
Which of the following body systems contribute to homeostasis?

1. Respiratory and nervous systems
2. Digestive and excretory systems
3. Nervous and endocrine systems
4. Immune and cardiovascular systems

Q. Pick the odd one out.
The parts of the alimentary canal are
(Pharynx. Mouth, Buccal Cavity, Pancreas)

Q. Endotherms or warm blooded animals maintain a constant temperature by

1. Insulating coat
2. Changing cutaneous circulation
3. Both A and B
4. Disposing off extra energy as heat

Q. The control of blood glucose level is a good example of:

1. Homeostasis
2. Respiration
3. Excretion
4. Anabolism

Q.

What mechanism is behind maintaining the skin contraction in winter to conserve body heat?

Q. Homeostasis is

1. Tendency of an organism to change with change in environment.
2. Plant and animal extract used for homeopathic medicines.
3. Tendency of an organism to maintain stability by regulating the body's internal environment.
4. Regulatory control of hormones in the body.

Q.

What happens in the first degree atrioventricular block?

Q. Circulatory system also performs the function of homeostasis.

1. True
2. False

Q. Short / Long answer type questions.
What is feedback control? Illustrate feedback mechanism of homeostasis by an example of hormones.

Q. Select the correct statement from the given options

1. Darwinism variation are small and directionless
2. Fitness is the end result of the ability to adapt and get selected by nature
3. All mammals except whales and camels have seven cervical vertebrae
4. Mutations are random and directional

Q. Excretion is required for maintaining homeostasis of body fluids through regulation of their

1. Volume, composition, pH and osmotic potential
2. Volume
3. Composition and pH
4. Osmotic potential

Q. Homeostasis is __________________.

1. Disturbance in regulatory control
2. Tendency to resist internal changes
3. Plant and animal extracts used in homeopathy
4. A tendency to change with change in environment

Q.

Who discovered circulatory system?

Q. Short / Long answer type questions .
What do you understand by Homeostasis ? Write the name of scientist who used this word for the first time.