मराठी
तामिळनाडू बोर्ड ऑफ सेकेंडरी एज्युकेशनएचएससी विज्ञान इयत्ता १२

Some organisms are able to maintain homeostasis by physical means ______. - Zoology

Advertisements
Advertisements

प्रश्न

Some organisms are able to maintain homeostasis by physical means ______.

पर्याय

  • Conform

  • Regulate

  • Migrate

  • Suspend

MCQ
रिकाम्या जागा भरा
Advertisements

उत्तर

Some organisms are able to maintain homeostasis by physical means regulate.

Explanation:

Organisms that can maintain homeostasis by actively adjusting their internal environment to counteract changes in the external environment are called regulators. They use physiological mechanisms like sweating to cool down or shivering to warm up.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 10: Organisms and Populations - Evaluation [पृष्ठ १७९]

APPEARS IN

सामाचीर कलवी Biology (Zoology) [English] Class 12 TN Board
पाठ 10 Organisms and Populations
Evaluation | Q 12. | पृष्ठ १७९
सामाचीर कलवी Biology (Zoology) [English] Class 12 TN Board
पाठ 11 Organisms and Populations
Evaluation | Q 12. | पृष्ठ १९४

संबंधित प्रश्‍न

Give an example of an organism that enters 'diapause' and why.


Explain why very small animals are rarely found in polar region.


During a school trip to ‘Rohtang Pass’, one of your classmate suddenly developed ‘altitude sickness’. But, she recovered after sometime.

  1. Mention one symptom to diagnose the sickness.
  2. What caused the sickness?
  3. How could she recover by herself after sometime?

In certain seasons we sweat profusely while in some other season we shiver. Explain.


Explain with the help of suitable examples the three different ways by which organisms overcome their stressful conditions lasting for short duration.


State how the constant internal environment is beneficial to organisms.


Explain any two alternatives by which organisms can overcome stressful external conditions.


List the various abiotic environmental factors.


Answer the following question.
‘‘Organisms may be conformers or regulators.’’ Explain this statement and give one example of each.


Answer the following question.
Why are there more conformers than regulators in the animal world?


What are the ways by which organisms respond to abiotic factors?


Match List - I with List - II.

List I List II
(a) Allen's Rule (i) Kangaroo rat
(b) Physiological
adaptation
(ii) Desert lizard
(c) Behavioural
adaptation
(iii) Marine fish at depth
(d) Biochemical
adaptation
(iv) Polar seal

Choose the correct answer from the options given below.


Assertion(A): A person goes to high altitude and experiences ‘altitude sickness’ with symptoms like breathing difficulty and heart palpitations.

Reason(R): Due to low atmospheric pressure at high altitudes, the body does not get sufficient oxygen. In light of the above statements, choose the correct answer from the options given below.


Salt concentration (Salinity) of the sea measured in parts per thousand is ______.


What will happen to a well-growing herbaceous plant in the forest if it is transplanted outside the forest in a park?


Why are coral reefs not found in the regions from west Bengal to Andhra Pradesh but are found in Tamil Nadu and on the east coast of India?


Give one example for the following type.

Migratory animal


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×