Biology Quiz on Cells and Their Functions

The ______ cells in the skin of amphibians and reptiles are responsible for changing their body color.

The ______ in plants are responsible for building up complex molecules through photosynthesis.

______ are responsible for producing secretions like mucus, saliva, and sweat.

The ______ of sea anemones, jellyfish, and Hydra contain a toxic fluid used to paralyze prey.

The ______ cells in flatworms play a crucial role in osmoregulation.

The ______ cells in the root hairs are essential for absorbing water and mineral salts from the soil.

The ______ of the plant are responsible for controlling the opening and closing of air pores.

The ______ cells are elongated and responsible for movements and electrical activities in the body.

Collenchyma cells are elongated and are involved in strengthening the ______ particularly the young stem.

Sieve tubes are involved in transporting ______ materials from one part of the plant to the other.

Lignified vessels such as Tracheids and Fibers play important parts in transporting ______ and mineral salts from the root to the leaves.

Cells of Amoeba, Euglena, Paramecium and the filamentous green algae Spirogyra are single-celled organisms and differ from photosynthetic cells of higher plants, but they all perform those functions necessary for the maintenance of life ______ processes.

Prokaryotic cells are cells which lack a ______.

Prokaryotic cells are the simpler types of cells which lack organelles but have a single ______ consisting of a single strand of DNA in the form of a ring.

In bacteria, which is a typical prokaryotic cell, there is a smaller ring of DNA called a ______ which serves as an accessory chromosome.

Eukaryotic cells are defined as cells containing an organized ______ which are enveloped by membrane-bound organelles such as mitochondria, chloroplast, endoplasmic reticulum golgi body apparatus, lysosomes etc.

The genetic materials of living organisms are organized in ______.

The process of cell division responsible for reproduction and genetic diversity is called ______.

______ provide structural support to cells.

In animal cells, the ______ serves as the outer boundary.

Rod-shaped bacteria are classified as ______.

The shape of ______ cells depends on their function.

The ability of organisms to change position is known as ______.

The process by which organisms obtain energy and raw materials from nutrients is called ______.

Eukaryotes have a true well-developed ______, whereas prokaryotes have undeveloped nuclei.

In higher plants, each cell contains one ______.

The red blood cell and mature sieve tubes of plant phloem tissue lack ______ at maturity.

The chromosome within the nucleus carries the ______ material.

Plant cells store carbohydrates as ______ granules.

Animal cells store carbohydrates as ______.

Both plant and animal cells possess a ______ membrane.

Hydra cells differ considerably from human cells despite performing the same ______.

The Golgi apparatus was discovered by an Italian physician named ______ in 1849.

Lysosomes are commonly referred to as '______ bags' due to their function in breaking down waste.

Centrosomes are found near the ______ in animal cells and lower plants.

Vacuoles are especially large and central in ______ cells.

Plastids contain a protein matrix called ______.

Chloroplasts are green plastids that contain ______, which is essential for photosynthesis.

Cell inclusions can include substances such as ______, fats, oils, and vitamins.

The shape of the nucleus is usually ______ or elongated.

The basic unit of classification is the ______.

Humans belong to the ______ class.

The ______ of classification is based on evolutionary relationships.

Both ______ and monkeys cannot interbreed as they belong to different species.

Lions belong to the ______ family.

Artificial classification is based on ______ characteristics.

Eukarya is one of the domains that includes organisms with ______ cells.

The ______ is a taxonomic rank below phylum and above order.