Biotech

Question 1

A thin semipermeable membrane layer of protein and fats surrounding the cell. Its primary role is to protect the cell from its surrounding

Answer 1

Cell Membrane

Question 2

It is a double-membrane structure that surrounds the nucleus.

Answer 2

Nuclear membrane

Question 3

It is an organelle that contains several other sub-organelles such as nucleolus, nucleosomes and chromatins. It also contains DNA and other genetic materials.

Answer 3

Nucleus

Question 4

It is a small organelle found near to the nucleus which has a thick centre with radiating tubules.

Answer 4

Centrosomes

Question 5

Where microtubules are produced

Answer 5

Centrosomes

Question 6

it controls the entry and exit of nutrients and other microscopic entities into the cell.

Answer 6

Cell membrane

Question 7

Referred to as the nucleus envelope

Answer 7

Nuclear membrane

Question 7

They are round organelles surrounded by a membrane and comprising digestive enzymes which help in digestion, excretion and in the cell renewal process.

Answer 7

Lysosome

Question 8

Another name for lysosome

Answer 8

Cell vesicles

Question 9

A jelly-like material which contains all the cell organelles, enclosed within the cell membrane.

Answer 9

Cytoplasm

Question 10

What is the substance found within in the cell nucleus and is contained by the nuclear membrane called?

Answer 10

Nucleoplasm

Question 11

A flat, smooth layered, sac-like organelle which is located near the nucleus and involved in manufacturing, storing, packing and transporting the particles throughout the cell.

Answer 11

Golgi appartus

Question 12

They are spherical or rod-shaped organelles with a double membrane. They are the powerhouse of a cell as they play an important role in releasing energy.

Answer 12

Mitochondrion

Question 13

They are small organelles made up of RNA-rich cytoplasmic granules, and they are the sites of protein synthesis.

Answer 13

Ribosome

Question 14

This cellular organelle is composed of a thin, winding network of membranous sacs originating from the nucleus.

Answer 14

Endoplasmic Reticulum

Question 15

A membrane-bound organelle present inside a cell involved in maintaining shape and storing water, food, wastes, etc.

Answer 15

Vacuole

Question 16

What is the main function of a cell wall?

Answer 16

To provide structural support

Question 17

What is the cell wall composed of?

Answer 17

Cellulose, glycoprotein, lignin, pectin, and hemicellulose

Question 18

The formation of the cell wall is guided by what?

Answer 18

Microtubules

Question 19

What are the layers of the cell wall

Answer 19

Primary, secound, middle lamella

Question 20

The nucleus is a structure bound cell that is only present in what type of cells

Answer 20

Eukaryotic

Question 21

It manufactures cell protein-producing structures and ribosomes.

Answer 21

Nucleolus

Question 22

They are membrane-bound organelles that have their own DNA. They are necessary to store starch, to cary out the process of photosynthesis.

Answer 22

Plastids

Question 22

Nuclear membrane is perforated with holes called______that allows proteins and nucleic acids to pass through.

Answer 22

Nucleopore

Question 23

It is also used in the synthesis of many molecules, which form the building blocks of the cell.

Answer 23

Plastids

Question 24

They are found in non-photosynthetic tissues of plants. They are used for the storage of protein, lipid and starch.

Answer 24

Leucoplasts

Question 25

It is an elongated organelle enclosed by phospholipid membrane.

Answer 25

Chloroplasts