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Test: Eukaryotic Cells & Its Organelles


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Test: Eukaryotic Cells & Its Organelles for NEET 2022 is part of Topic-wise MCQ Tests for NEET preparation. The Test: Eukaryotic Cells & Its Organelles questions and answers have been prepared according to the NEET exam syllabus.The Test: Eukaryotic Cells & Its Organelles MCQs are made for NEET 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Eukaryotic Cells & Its Organelles below.
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Test: Eukaryotic Cells & Its Organelles - Question 1

Which of these statements is not true regarding active transport?

Detailed Solution for Test: Eukaryotic Cells & Its Organelles - Question 1

Active transport is the movement of molecules or ions from a region of their lower concentration to a region of their higher concentration, against the concentration gradient. It requires energy in the form of ATP.

Test: Eukaryotic Cells & Its Organelles - Question 2

Water moves across the cell membrane by _____

Detailed Solution for Test: Eukaryotic Cells & Its Organelles - Question 2

The cell membrane is a phospholipid bilayer which is semi – permeable. Water moves across this membrane by the process of diffusion. The diffusion of water across a semi – permeable membrane is known as osmosis.

Test: Eukaryotic Cells & Its Organelles - Question 3

Fluidity of the cell membrane is a measure of the _____

Detailed Solution for Test: Eukaryotic Cells & Its Organelles - Question 3

Fluidity of the cell membrane is the measure of the ability to move within the membrane. This movement is allowed due to the quasi-fluid nature of lipid present in the cell membrane.

Test: Eukaryotic Cells & Its Organelles - Question 4

Which of these are not eukaryotic?

Detailed Solution for Test: Eukaryotic Cells & Its Organelles - Question 4

Eukaryotic cells possess a true nucleus. Plants, fungi and protists are eukaryotic organisms as they have a well – defined nucleus. However, monerans do not possess a well – defined nucleus and are thus, prokaryotes.

Test: Eukaryotic Cells & Its Organelles - Question 5

Which of these are absent in plant cell?

Detailed Solution for Test: Eukaryotic Cells & Its Organelles - Question 5

Plants cells are differentiated from animal cells on the basis of the presence of certain organelles such as plastids, cell wall and a large central vacuole. Only animal cells possess centrioles in their cytoplasm.

Test: Eukaryotic Cells & Its Organelles - Question 6

The structure of the cell membrane was studied in detail after the invention of the _____

Detailed Solution for Test: Eukaryotic Cells & Its Organelles - Question 6

The structure of the cell membrane was studied in detail in the 1950s after the advent of the electron microscope. The cell membrane is a phospholipid bilayer containing various proteins in its structure.

Test: Eukaryotic Cells & Its Organelles - Question 7

Which of these structures is non-living?

Detailed Solution for Test: Eukaryotic Cells & Its Organelles - Question 7

The cell wall covering the cell of fungi and plants is a non-living structure. The cell membrane covering the cell and the various organelles of the cell such as the nucleus and the lysosomes are living.

Test: Eukaryotic Cells & Its Organelles - Question 8

Which of these statements is not true regarding the cell wall?

Detailed Solution for Test: Eukaryotic Cells & Its Organelles - Question 8

The cell wall is a non-living rigid structure that covers the cells of fungi and plants. It also provides functions like protection from infection and mechanical stresses, and cell to cell interactions.

Test: Eukaryotic Cells & Its Organelles - Question 9

Which of these is not present in a plant cell wall?

Detailed Solution for Test: Eukaryotic Cells & Its Organelles - Question 9

The algal cell wall contains cellulose, galactans, mannans and minerals like calcium carbonate. However, the plant cell wall contains cellulose, hemicellulose, pectins and proteins.

Test: Eukaryotic Cells & Its Organelles - Question 10

Which of these is a common component of both algal and plant cell wall?

Detailed Solution for Test: Eukaryotic Cells & Its Organelles - Question 10

The algal cell wall contains cellulose, galactans, mannans and minerals like calcium carbonate. The plant cell wall contains cellulose, hemicellulose, pectins and proteins. Hence, cellulose is the common component.

Test: Eukaryotic Cells & Its Organelles - Question 11

Which of these is the main component of the middle lamella?

Detailed Solution for Test: Eukaryotic Cells & Its Organelles - Question 11

The middle lamella is a layer present between two plant cells which joins the cell walls of both the cells. It is the first layer which is formed and deposited during cytokinesis. It mainly contains calcium pectate.

Test: Eukaryotic Cells & Its Organelles - Question 12

What is the main role of the middle lamella?

Detailed Solution for Test: Eukaryotic Cells & Its Organelles - Question 12

The middle lamella is a layer present between two plant cells which joins the cell walls of both the cells. It mainly contains calcium pectate. It is the first layer which is formed and deposited during cytokinesis.

Test: Eukaryotic Cells & Its Organelles - Question 13

Which of these structures connect the cytoplasm of adjacent plant cells?

Detailed Solution for Test: Eukaryotic Cells & Its Organelles - Question 13

Adjacent plant cells adhere to each other due to the presence of the middle lamella. However, the plasmodesmata pass through the middle lamella and connect the cytoplasm of the two cells.

Test: Eukaryotic Cells & Its Organelles - Question 14

Which of these structures is not a part of the endomembrane system?

Detailed Solution for Test: Eukaryotic Cells & Its Organelles - Question 14

The functions of the endoplasmic reticulum (ER), Golgi bodies, vacuoles and lysosomes are coordinated. Hence, they form an endomembrane system. Peroxisomes are not a part of the endomembrane system.

Test: Eukaryotic Cells & Its Organelles - Question 15

Which of these organelles do not have coordinated functions with the others?

Detailed Solution for Test: Eukaryotic Cells & Its Organelles - Question 15

The functions of the endoplasmic reticulum (ER), Golgi bodies, vacuoles and lysosomes are coordinated. Hence, they form an endomembrane system. Peroxisomes are not a part of the endomembrane system.

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