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Test: Cell: The Unit of Life - 1 - NEET MCQ


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25 Questions MCQ Test Biology Class 11 - Test: Cell: The Unit of Life - 1

Test: Cell: The Unit of Life - 1 for NEET 2024 is part of Biology Class 11 preparation. The Test: Cell: The Unit of Life - 1 questions and answers have been prepared according to the NEET exam syllabus.The Test: Cell: The Unit of Life - 1 MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Cell: The Unit of Life - 1 below.
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Test: Cell: The Unit of Life - 1 - Question 1

New cells generate from

Detailed Solution for Test: Cell: The Unit of Life - 1 - Question 1

All living organisms are composed of cells and products of cells.all cells arise from pre-existing cells.

Test: Cell: The Unit of Life - 1 - Question 2

The rod shaped bacteria is called as

Detailed Solution for Test: Cell: The Unit of Life - 1 - Question 2

The shapes of bacteria are bacillus (rod like), coccus (spherical), vibrio (comma shaped) and spirillum (spiral).

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Test: Cell: The Unit of Life - 1 - Question 3

The inner membrane of mitochondria thrown into folds to form finger like structure is called

Detailed Solution for Test: Cell: The Unit of Life - 1 - Question 3

Mitochondria are double membranous structure. The inner membrane of mitochondria thrown into folds to form finger-like structureis called cristae.

Test: Cell: The Unit of Life - 1 - Question 4

Who was the first to explain that cells divide?

Detailed Solution for Test: Cell: The Unit of Life - 1 - Question 4

Rudolf Virchow(1855) first explained that cells divided and new cells are formed .

Test: Cell: The Unit of Life - 1 - Question 5

Ribosome are granules formed of

Detailed Solution for Test: Cell: The Unit of Life - 1 - Question 5

Ribosomes are granules formed of rRNA and protein. Ribosome provide space for protein synthesis during translation.

Test: Cell: The Unit of Life - 1 - Question 6

Who first saw and described a live cell?

Detailed Solution for Test: Cell: The Unit of Life - 1 - Question 6

Anton Von Leeuwenhoek first saw and described a live cell.

Test: Cell: The Unit of Life - 1 - Question 7

In prokaryotes, the reserved food material is stored in

Detailed Solution for Test: Cell: The Unit of Life - 1 - Question 7

Reserve material in prokaryotic cells are stored in the cytoplasm in the form of inclusion bodies.

Test: Cell: The Unit of Life - 1 - Question 8

The staining procedure is developed by

Detailed Solution for Test: Cell: The Unit of Life - 1 - Question 8

The staining procedure developed by Gram viz., those that take up the gram stain are gram positiveand the others that do not are called gram negative bacteria.

Test: Cell: The Unit of Life - 1 - Question 9

Which of the following statements with reference to cytoskeleton is not correct?

Detailed Solution for Test: Cell: The Unit of Life - 1 - Question 9

The cytoskeleton in a cell is involved in functions like mechanical support, motility, maintenance of the shape of the cell.

Test: Cell: The Unit of Life - 1 - Question 10

Cytoskeleton is made of

Detailed Solution for Test: Cell: The Unit of Life - 1 - Question 10

The cytoskeleton of a cell is made up of microtubules, actin filaments,and intermediate filaments. These structures give the cell its shape and help organize the cell’s parts. They also provide a basis for movement and cell division

Test: Cell: The Unit of Life - 1 - Question 11

Tubulin occurs in

Detailed Solution for Test: Cell: The Unit of Life - 1 - Question 11

Tubulin is a protein superfamily of globular proteins, or one of the member proteins of that superfamily. Microtubules are tubular cytoskeletal elements polymerized from alpha and beta tubulin heterodimers. The doublet microtubule is a microtubule from uniquely seen in flagella and cilia.

Test: Cell: The Unit of Life - 1 - Question 12

SER differ from RER in

Detailed Solution for Test: Cell: The Unit of Life - 1 - Question 12

Smooth endoplasmic reticulum (SER) differ from rough endoplasmic reticulum (RER) in absence of ribosome on the surface of endoplasmic reticulum.

Test: Cell: The Unit of Life - 1 - Question 13

The organelle involved in respiration is

Detailed Solution for Test: Cell: The Unit of Life - 1 - Question 13

Mitochondria are the sites of aerobic respiration. They producecellular energy in the form of ATP

Test: Cell: The Unit of Life - 1 - Question 14

Largest organelles in cell is

Detailed Solution for Test: Cell: The Unit of Life - 1 - Question 14

Mitochondria is the largest cell organelles in animal cell and chloroplast is the largest cell organelles in plant cell.

Test: Cell: The Unit of Life - 1 - Question 15

Select the incorrect matching

Detailed Solution for Test: Cell: The Unit of Life - 1 - Question 15

Mitochondria contain cristae, finger like projection of inner layer, thylakoid is present in chloroplast and lysosome is a digestive enzyme but RNA is absent in Chromosome.

Test: Cell: The Unit of Life - 1 - Question 16

Arrangement ofciliary microtubules is

Detailed Solution for Test: Cell: The Unit of Life - 1 - Question 16

Cilia present in prokaryotic organisms consist of microtubules. These microtubules are arranged in 9+2 order in which 2 forms the center and 9 are arranged at periphery.

Test: Cell: The Unit of Life - 1 - Question 17

Golgi apparatus are the site for formation of

Detailed Solution for Test: Cell: The Unit of Life - 1 - Question 17

Golgi apparatus is the important site of formation of glycoproteins and glycolipids.

Test: Cell: The Unit of Life - 1 - Question 18

Cell organelles with single membrane is

Detailed Solution for Test: Cell: The Unit of Life - 1 - Question 18

Lysosomes are single membrane structures containing enzymes for digestion of all types of macromolecules.

Test: Cell: The Unit of Life - 1 - Question 19

A cell membrane shows fluid behavior due to

Detailed Solution for Test: Cell: The Unit of Life - 1 - Question 19

A cell membrane shows fluid behavior due to mosaic of lipid and proteins. Fluid mosaic model of plasma membrane is most accepted and recent model.

Test: Cell: The Unit of Life - 1 - Question 20

Which is common in plant and animal cells

Detailed Solution for Test: Cell: The Unit of Life - 1 - Question 20

Mitochondria are present in both plant as well as animal cells. Plastids and central vacuoles are present in plant cells and centrioles are present in only animal cells.

Test: Cell: The Unit of Life - 1 - Question 21

Which does not occur in cell membrane?

Detailed Solution for Test: Cell: The Unit of Life - 1 - Question 21

The cell membrane is made up of lipid bilayer which has different components like phospholipids, glycolipids and cholesterol. Proline is an alpha amino acid used in protein synthesis and is a major constituent of collagen.

Test: Cell: The Unit of Life - 1 - Question 22

Elaioplasts belongs to

Detailed Solution for Test: Cell: The Unit of Life - 1 - Question 22

The leucoplasts are the colourless plastids of varied shapes and sizes with stored nutrients. Leucoplast includes: a) Amyloplasts storing carbohydrates. b) Elaioplastsstoring oils and fats and c) Aleuroplasts storing proteins.

Test: Cell: The Unit of Life - 1 - Question 23

The site for the light reactions is

Detailed Solution for Test: Cell: The Unit of Life - 1 - Question 23

In plant cells, the chloroplasts are responsible for trapping light energy essential for photosynthesis. The grana, in the plastid, is the site of light reactions.

Test: Cell: The Unit of Life - 1 - Question 24

What is the function of chloroplasts in a plant cell?

Detailed Solution for Test: Cell: The Unit of Life - 1 - Question 24

Chloroplasts play a crucial role in plants by trapping light energy essential for photosynthesis. This process is facilitated by chlorophyll and carotenoid pigments present in the chloroplasts. During photosynthesis, plants convert light energy into chemical energy, which is used to synthesize carbohydrates from carbon dioxide and water. This conversion of light energy into chemical energy is fundamental for the survival of plants and many other organisms on Earth.

Test: Cell: The Unit of Life - 1 - Question 25

What is the primary function of leucoplasts in plant cells?

Detailed Solution for Test: Cell: The Unit of Life - 1 - Question 25

Leucoplasts are involved in storing oils and fats, carbohydrates (starch), and proteins in plant cells. They can differentiate into various types depending on what they store: amyloplasts (storing starch), elaioplasts (storing oils), and proteinoplasts (storing proteins).

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