Objective Questions

The first cells are the: a. Fungal cells b. Protozoans c. Prokaryotes d. Bacter…

Cells were discovered by: a. M. Schleiden b. T. Schwann c. R. Hooke d. R. Virch…

was the first to view living organism using a microscope: a. Hooke b. Leewen ho…

& concluded that all plants & all animals were made of cells respectively: a. M…

The statement "omnis cellula e cellula" is attributed to: a. Robert Hooke b. Ma…

New cells arose from preexisting cells. This was proposed by: A. Hooke B. Leewe…

The idea that the cell is a fundamental unit of all living things was proposed …

Anton van Leewenhoek made an important contribution to the development of Cell …

The cell theory was proposed in: A. 1839 B. 1836 C. 1590 D. 1665

The term protoplasm given to the jelly-like content of cells was first used by:…

discovered the nucleus in the year : a. Robert Hook, 1665 b. Robert Hook, 1831 …

Which of the following is not a form of bacteria? A. Cocci B. Bacilli C. Spiril…

Which invention from the 17th century allowed for the development of modern cel…

One of the following is not associated with the concept of the cell theory: A. …

A cell is a unit of the organism bounded by a plasma membrane and processing a:…

A cell must have 3 things: a. Plasma membrane, cytoplasm, nuclear membrane b. P…

Majority of cells cannot be seen directly with our naked eyes because: a. organ…

Which of these do prokaryotes and eukaryotes have in common? a. ribosomes b. mi…

The region where the DNA lies freely in the cytoplasm of prokaryotes is called:…

Prokaryotic cells do not have a nucleus. What do they have in its place? a. Nuc…

The bacterial cell wall contains the following except: A. Proteins B. Lipids C.…

A bag of chemicals capable of independent existence is: A. Cell B. Ribosome C. …

The fluid mosaic model of plasma membrane was proposed by: a. Singer b. Nichols…

The plasma membrane is generally a double layer of __ & __: a. glycogen, protei…

Which of the following options correctly describes the lipid bilayer in a cell?…

Membrane phospholipids: a. Have hydrophilic heads that face outward & are expos…

The proteins attached to the surface of cell membrane are called: a. Surface pr…

Which of the following membranes of a cell is most related to diffusion of sodi…

Which of these transport mechanism in a cell is active? A. Diffusion B. Osmosis…

Diffusion does not require the cell to expend ATP. Therefore, diffusion is cons…

Autophagy & apoptosis are functions of the: a. ribosomes b. lysosomes c. peroxi…

is a process in which portion of the plasma membrane often bud inward so that t…

Which of the following functions does active transport perform in a cell? a. Pa…

DNA in eukaryotic cells is located mainly in the: A. Cytoplasm B. Ribosome C. N…

Which of the following is found in the nucleus? a. Ribosome b. Centrosome c. Va…

is the site of synthesis of transfer RNA, ribosomal RNA and ribosomal subunits:…

takes lighter DNA stain and is genetically active: A. Euchromatin B. Heterochro…

Ribosome of prokaryotes is while that of eukaryotes is : a. 70s, 80s b. 50s, 70…

& make up ribosomes: a. proteins & DNA b. proteins & mRNA c. proteins & rRNA d.…

When a large proportion of a cell's ribosomes are attached to the endoplasmic r…

The channels in the endoplasmic reticulum are called? A. Cisternae B. Cristae C…

One of the following is NOT a subdomain of the Endoplasmic Reticulum: A. Nuclea…

The term ERGIC stands for: A. Endoplasmic Reticulum Golgi Intermediate Compartm…

The rough ER is so named because it has an abundance of on it: A. Mitochondria …

Lipid metabolism, glycogenolysis and drug detoxification are functions of: A. G…

Regulation of calcium in muscle cells is a function of the: a. rER b. sER c. mi…

Which organelle in a cell can be described as "stacks" of flattened membranes w…

Stacks of flattened sacs that modify, sort & package molecules are the: a. Ribo…

Which cellular organelle is responsible for packaging the proteins that the cel…

You would expect a cell with an extensive Golgi apparatus to do which of the fo…

is the suicidal bag of cells: a. Nucleus b. Ribosome c. Lysosome d. Cell membra…

Acts as the digestive system inside a cell. It helps to break down old or unnee…

is the membrane covering the vacuole: a. tonoplast b. cell membrane c. cell sap…

Plants need turgidity to maintain: a. rigidity b. osmosis c. endocytosis d. ton…

Which of the following membranes in organelles is single and contain proton pum…

Produces energy to fuel the cell's activities: a. cell wall b. mitochondria c. …

The folded inner membrane of the mitochondria are called: a. matrix b. cisterna…

Which of the following statements is NOT true of mitochondria of a cell? A. It …

Chloroplast Stroma, Mitochondrial Matrix and Bacteria contain: A. 60S ribosomes…

Human mitochondrion is inherited: a. maternally only b. paternally only c. both…

Mitochondrial DNA: a. is a linear molecule b. is inherited exclusively from the…

In plant taxonomy, a division is equivalent to: a. order b. class c. phylum d. …

Food producer for the plant cell. It converts the energy of the sun into sugar:…

The chloroplasts have inner membrane modified into sacs called __ & gel like su…

Amyloplasts, Aleuronoplasts and Elaioplasts are examples of: A. Leucoplasts B. …

Lysosomes contain enzymes, whereas Peroxisomes contain enzymes: A. hydrolytic a…

Structures that may help in the conversion of lipids to carbohydrates are: a. P…

Microfilaments, microtubules intermediate filament are regarded as: A. Powerhou…

The cytoskeleton includes all of the following except: A. Myosin filament B. In…

Which of the following is the main function of cell wall? a. Protection and sup…

Which of the following is not correct about cilia and flagella? a. They are bot…

Classification of organisms according to their size is: a. Natural classificati…

A scraping of material from a person's tooth revealed many bacteria found on th…

Dye injected into a plant cell might be able to enter an adjacent cell through …

forms "connections" or "pathways" between adjacent cells in plants: a. Microvil…

Which is found only in animal cells: a. nucleus b. mitochondrion c. centriole d…

This organelle is absent in plant cell: A. Xylem B. Mitochondrion C. Centriole …

Which of the following are not found in plant cells? A. Mitochondria B. Glyoxis…

A cell has mitochondria, ribosomes, smooth and rough ER and other parts. Based …

Which of the correctly identifies a plant cell under microscope? a. presence of…

The science that deals with identifying, naming, and classifying organisms is k…

The term 'Systematics' refers to: a. Identification of plants and animals b. No…

Most classification used today are: a. Artificial b. Natural c. Modified d. Exp…

What is the focus of the branch of biology called taxonomy? a. the classificati…

Taxonomic hierarchy refers to: a. Step-wise arrangement of all categories for c…

In biological nomenclature each type of organism is given a name of two words, …

The system of giving two names to an organism is known as: a. Two-word nomencla…

The binomial system assigns to each organism a unique name that describes its: …

When writing species epithets, it is sometimes permissible to abbreviate the: a…

Which one is correct? a. Solanum Lycopersicum b. Solanum lycopersicum c. solanu…

Vigna unguiculata x Vigna rotundata is an example of name: A. Varietal B. Hybri…

Which of these denotes plants that have been selected especially for a particul…

Which of these is a hybrid plant? a. Coreopsis gigantia b. Coreopsis x gigantia…

A cultivated plant type is: a. Eugenia uniflora b. Arachis hypogea c. Vigna ung…

Archae and Bacteria are unicellular __________.

The alpha-taxonomists study: a. intraspecific variation b. interspecific variat…

A related group of genera comprise: a. order b. class c. phylum d. family

Group of organisms at any particular level in a classification system is called…

The is the basic unit of classification: a. Kingdom b. Phylum c. Genus d. Speci…

Arrange these taxa in the proper sequence: A-genus, B-family, C-kingdom, D-clas…