CELL-THE UNIT OF LIFE Part-01 Quiz Powered by @NCERT_Extract

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Description-

Trial Quiz...

Timed Quiz = 7 mins for 10 Questions( including details filling )

Typical NEET Level Quiz..

Must Join our Telegram Channel : @NCERT_Extract (https://t.me/NCERT_Extract).

For More Such Quizzes, Must Join : @Quizzes_by_NCERT_Extract (https://t.me/Quizzes_by_NCERT_Extract)

Instructions:-

(1) This form is only valid 12 am ( 25/07/21 )

(2) Please note that if you fill wrong id or your name is not in the Channel, your form will be discarded.

(3) Final scores and rank list will be shared on channel also.

(4) Highest scorer will get a shout-out in the channel.

(5) Marking Scheme:-

Correct Answer +4

Incorrect Answer -1

Unattempted ( No Answer) 0

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Select the mismatch.

Nucleus – Robert Brown

Cell theory – Matthias Schleiden and Theodore Schwann

Mesosomes – George Palade

Cell membrane – Singer and Nicolson

Read the following statements and select the correct option w.r.t. cell theory. (a) All living organisms are composed of cells and products of cells. (b) Viruses are exception to cell theory because they are cellular particles. (c) All cells arise from pre-existing cells. (d) Activities of an organism are the outcome of sum total of activities and interactions of its constituent cells. (e) Rudolf Virchow gave final shape to cell theory.

All except (b)

All except (a) & (d)

All except (b) & (c)

All except (c) & (e)

Statement A : Ribosomes are membraneless organelles found in all cells. Statement B : Cytoplasm is the main arena of intercellular activities.

Only statement A is incorrect

Both the statements are correct

Only statement B is incorrect

Both the statements are incorrect

Select the incorrect statement.

Egg of ostrich is the largest isolated single cell

Ribosomes are organelle within the organelle

The shape of the cells may vary with the function they perform

Genetic material is present in well defined nucleus in both prokaryotes and eukaryotes

Select the odd one w.r.t. functions of mesosome.

Helps in respiration and secretion processes

Helps in cell wall formation

Helps in formation of inclusion bodies

Helps in DNA replication

In a prokaryotic cell, I. Pigment containing membranous extensions present in cytoplasm are ______(a)_______. II. Reserve material are stored in cytoplasm in the form of ______(b)_______. Identify (b) and (a) respectively

A bacterial flagellum is composed of

Inclusion bodies, filament and hook

Filament, hook and basal body

Filament, cell wall and cell membrane

Filament, mesosomes and basal body

What is the outermost layer of cell envelope in prokaryotic cell?

Glycocalyx

Cell wall

Plasma membrane

Mesosomes

Cell wall is A. A non-living, rigid structure that surrounds the plasma membrane of plant cell. B. Fungal cell wall is composed of a polymer of N-acetylglucosamine units.

Only A is correct

Only A is incorrect

Both A and B are correct

Both A and B are incorrect

	0. 3 μm	0. 02 – 0.2 μm	10 – 20 μm	1 – 2 μm
Typical bacteria
Viruses
PPLO
Typical eukaryotic cell