Download App

The Fundamental Unit of Life — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceThe Fundamental Unit of Life1 Mark
MCQ
Assertion: Specialisation of cells is advantageous to organisms.
Reason: It increases operational efficiency.
  • ✓
    Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
  • B
    Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
  • C
    Assertion is correct but Reason is incorrect.
  • D
    Both Assertion and Reason are incorrect.
✓

Answer

Correct option: A.
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
Specialization of cells is differentiation of the cells structurally and functionally to do a specific task, that is, division of labor and therefore increases operational efficiency. Example neurons are specialized to conduct electrical impulses Cells of the adipose tissue, adipocytes, store fats.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "Assertion (A) & Reason (B) MCQ" from The Fundamental Unit of Life→The Fundamental Unit of Life — all question types→Science STD 9 question papers→Gujarat Board STD 9 question papers→Gujarat Board question paper generator→

Similar questions

In the following Question, the Assertion and Reason have been put forward. Read the statements carefully and choose the correct alternative from the following:
Assertion: Nobody can sink in the Dead Sea.
Reason: The upthrust exerted by a fluid; independent of the volume of the immersed body.
→
A statement of Assertion is given by the corresponding statement of Reason. Of the statements, mark the correct answer as: 
Assertion: To float, a body must displace liquid whose weight is greater than actual weight of the body.
Reason: During floating the body will experience no net downward force in that case.
→
In the following Questions, the Assertion and Reason have been put forward. Read the statements carefully and choose the correct alternative from the following:
Assertion: Addition of undesirable substance or removal of desirable substances in water bodies or change in temperature is called water pollution.
Reason: Fresh water is found in river, pond, sea and in underground.
→
Assertion (A): Atom is electrically neutral.
Reason (R): A neutral particle, neutron is present in the nucleus of atom.
→
In the following questions, a statement of Assertion is given by the corresponding statement of Reason. Of the statements, mark the correct answer as:
Assertion: Exocoetus is known as flying fish.
Reason: It bears pectoral fins which appear like wings.
→
In each of the following questions, a statement of Assertion is given by the corresponding statement of Reason. Of the statements, mark the correct answer as:
Assertion: Heart can pump blood throughout the body.
Reason: It is made up of cardiac muscles.
→
A statement of Assertion is given by the corresponding statement of Reason. Of the statements, mark the correct answer as:
Assertion: A planet is heavently body revolving around the sun.
Reason: A planet revolving around the sun follows Kepler's law.
→
Assertion (A): Student of class IX covered the potted plant with a glass jar, water vapour appears on the wall of the glass jar.
Reason (R): Desert plants, the epidermis has a thick waxy coating of cutin chemical substance with waterproof quality on its outer surface.
→
Assertion (A): A gas fills completely the vessel in which it is kept.
Reason (R): Intermolecular force of attraction between the particles of gas is negligible.
→
Assertion (A): The speed of the car is constant, its velocity is not constant because the direction of the car is changing continuously.
Reason (R): The direction of velocity is the same as the direction of displacement of the body.
→