MCQOPTIONS
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MCQOPTIONS
This section includes 1528 Mcqs, each offering curated multiple-choice questions to sharpen your Grade9 knowledge and support exam preparation. Choose a topic below to get started.
| 201. |
The process through which red blood cells are broken down in spleen and liver is called |
| A. | xanthomatosis |
| B. | microcytosis |
| C. | macrocytosis |
| D. | phagocytosis |
| Answer» E. | |
| 202. |
The most often used carbohydrate is |
| A. | glucose |
| B. | magnesium |
| C. | hydrocarbons |
| D. | potassium |
| Answer» B. magnesium | |
| 203. |
The last part of the small intestine is called |
| A. | bile |
| B. | duodenum |
| C. | jejunum |
| D. | ileum |
| Answer» E. | |
| 204. |
The tissue which is found in abdomen, around kidneys and under skin is called |
| A. | nerve tissues |
| B. | skeletal tissues |
| C. | cardiac tissues |
| D. | adipose tissue |
| Answer» E. | |
| 205. |
The name of the scientist who made the first microscope is |
| A. | James Watson |
| B. | Zacharias Janssen |
| C. | Leeuwenhoek |
| D. | David Baltimore |
| Answer» C. Leeuwenhoek | |
| 206. |
The movement of molecules to the low concentration area from higher concentration area is |
| A. | diffusion |
| B. | micro plasmas |
| C. | macro plasm |
| D. | mycoplasma |
| Answer» B. micro plasmas | |
| 207. |
The theory which is considered as most fundamental generalizations in biology is the |
| A. | cell theory |
| B. | Darwin Theory |
| C. | Lamarck Theory |
| D. | tissue theory |
| Answer» B. Darwin Theory | |
| 208. |
The organelles discovered by Christian Rene that are bounded by single-membrane are called |
| A. | centrioles |
| B. | Golgi vesicles |
| C. | ribosomes |
| D. | lysosomes |
| Answer» D. lysosomes | |
| 209. |
The division of apical meristems leads to the |
| A. | decrease in vascular cambium |
| B. | increase in plant length |
| C. | decrease in plant length |
| D. | increase in vascular cambium |
| Answer» C. decrease in plant length | |
| 210. |
The diffusion process is useful for gaseous exchange in |
| A. | capillaries and arteries |
| B. | lungs and gills |
| C. | blood cells |
| D. | blood cells and capillaries |
| Answer» C. blood cells | |
| 211. |
The peptidoglycan is the composition of |
| A. | salts and sugars |
| B. | amino acids and salt |
| C. | sugars and amino acids |
| D. | nitric acid and salts |
| Answer» D. nitric acid and salts | |
| 212. |
The cholesterol is present in the lipid bilayer of |
| A. | sporophyte |
| B. | gametophyte |
| C. | prokaryotic cells |
| D. | eukaryotic cells |
| Answer» E. | |
| 213. |
The kind of endoplasmic reticulum to which large numbers of ribosomes are attached is called |
| A. | rough endoplasmic reticulum |
| B. | smooth endoplasmic reticulum |
| C. | soft endoplasmic reticulum |
| D. | none of above |
| Answer» B. smooth endoplasmic reticulum | |
| 214. |
The resolution of the human eye is |
| A. | 1mm |
| B. | 0.1mm |
| C. | 0.05mm |
| D. | 0.5 mm |
| Answer» C. 0.05mm | |
| 215. |
All the organisms are made up of one or more cells and all processes occur in them is the |
| A. | cell theory |
| B. | Darwin Theory |
| C. | Lamarck Theory |
| D. | tissue theory |
| Answer» B. Darwin Theory | |
| 216. |
The tissue which is composed of more than single types of cells is considered as |
| A. | lateral tissues |
| B. | epidermal tissues |
| C. | compound tissues |
| D. | ground tissues |
| Answer» D. ground tissues | |
| 217. |
One lens in a light microscope enlarges the |
| A. | image |
| B. | specimen |
| C. | object |
| D. | lens |
| Answer» B. specimen | |
| 218. |
The double membrane which surrounds the nucleus of the cell is called |
| A. | nuclear envelope |
| B. | nucleoli envelope |
| C. | cellulose envelope |
| D. | cellulite envelope |
| Answer» B. nucleoli envelope | |
| 219. |
The tiniest blood vessels through which blood cells pass are called |
| A. | Golgi vesicles |
| B. | atrium |
| C. | arteries |
| D. | capillaries |
| Answer» E. | |
| 220. |
The water movement across the semi-permeable membrane to higher solute concentration solution from a lower solute concentration solution is called |
| A. | facilitated diffusion |
| B. | active transport |
| C. | diffusion |
| D. | osmosis |
| Answer» E. | |
| 221. |
The muscles that have voluntary action are |
| A. | smooth muscles |
| B. | rough muscles |
| C. | cardiac muscles |
| D. | skeletal muscles |
| Answer» E. | |
| 222. |
The common examples of connective tissues are |
| A. | cartilage |
| B. | bronchi |
| C. | trachea |
| D. | all of above |
| Answer» E. | |
| 223. |
The kind of tissues that are made up of one type of cells are called |
| A. | cambium tissues |
| B. | simple tissues |
| C. | complex tissues |
| D. | meristem tissues |
| Answer» C. complex tissues | |
| 224. |
According to cell theory, the new cells arise from |
| A. | living cells |
| B. | dead cells |
| C. | existing cells |
| D. | non living things |
| Answer» D. non living things | |
| 225. |
The hypotonic solution consists of relatively |
| A. | less solute |
| B. | more solvent |
| C. | less solvent |
| D. | more solute |
| Answer» B. more solvent | |
| 226. |
Considering permanent tissues of plants, the function of epidermal tissues is to act as a barrier between internal tissues of plants and |
| A. | external tissues of plants |
| B. | intercalary meristem |
| C. | environment |
| D. | apical meristems |
| Answer» D. apical meristems | |
| 227. |
The single nucleus striated cell present in cardiac muscles are responsible for |
| A. | passing of proteins |
| B. | passing of blood |
| C. | producing heartbeat |
| D. | absorption of secretions |
| Answer» D. absorption of secretions | |
| 228. |
The bulkiest cells are |
| A. | chloroplasts |
| B. | viruses |
| C. | bird eggs |
| D. | bacteria |
| Answer» D. bacteria | |
| 229. |
The process of ingestion of bulky materials through the infolding of the cell membrane is called |
| A. | mitosis |
| B. | meiosis |
| C. | exocytosis |
| D. | endocytosis |
| Answer» E. | |
| 230. |
The muscles whose contraction is not under our control are |
| A. | xylem ad epidermal muscles |
| B. | skeletal and nerve muscles |
| C. | cardiac and smooth muscles |
| D. | cardiac and ciliated muscles |
| Answer» D. cardiac and ciliated muscles | |
| 231. |
The kind of cellular organization in which cells are organized in the form of organs, tissues and organ systems is called |
| A. | multicellular organization |
| B. | unicellular organization |
| C. | colonial organization |
| D. | all of above |
| Answer» B. unicellular organization | |
| 232. |
According to Dr. Abdu's Salam, scientific knowledge is the common heritage of |
| A. | human |
| B. | mankind |
| C. | animal |
| D. | living things |
| Answer» C. animal | |
| 233. |
Animals which are made up of more than one cells are called |
| A. | unicellular |
| B. | multicellular |
| C. | autotrophic |
| D. | heterotrophic |
| Answer» C. autotrophic | |
| 234. |
The vegetative parts of the mustard plant are |
| A. | roots |
| B. | stem |
| C. | branches and leaves |
| D. | all of above |
| Answer» E. | |
| 235. |
Biomolecule having low molecular weight is known as |
| A. | micro molecule |
| B. | macro molecules |
| C. | compounds |
| D. | complex molecule |
| Answer» B. macro molecules | |
| 236. |
The term used for species which is in danger of being extinct soon is |
| A. | degradability |
| B. | extinct |
| C. | endangered |
| D. | global biodiversity |
| Answer» D. global biodiversity | |
| 237. |
The organisms that belong to kingdom Monera are |
| A. | fungi and algae |
| B. | cyanobacteria and bacteria |
| C. | algae and bacteria |
| D. | bacteria and fungi |
| Answer» C. algae and bacteria | |
| 238. |
The name of the scientist who divided nature into three kingdoms is |
| A. | Carolos Linnaeus |
| B. | John Ray |
| C. | Tournefort |
| D. | Andrea Linnaeus |
| Answer» B. John Ray | |
| 239. |
Protozoan resemble that animals which lack |
| A. | chlorophyll only |
| B. | cell wall only |
| C. | cell membrane |
| D. | chlorophyll and cell wall |
| Answer» E. | |
| 240. |
The offspring produced as a result of cross-breeding is |
| A. | fertile |
| B. | infertile |
| C. | twins |
| D. | triplets |
| Answer» C. twins | |
| 241. |
Considering the cardiac cycle, the ventricular contraction period is considered as |
| A. | ventricular diastole |
| B. | ventricular systole |
| C. | atrium diastole |
| D. | atrium systole |
| Answer» C. atrium diastole | |
| 242. |
The specialized fluid in the human body which is composed of blood cells and blood plasma is called |
| A. | indigenous fluid |
| B. | glycolysis |
| C. | blood |
| D. | cellulose |
| Answer» D. cellulose | |
| 243. |
In the fetal and embryonic life, the red blood cells are formed in |
| A. | spleen and liver |
| B. | liver and kidneys |
| C. | kidneys and lungs |
| D. | pancreas and liver |
| Answer» B. liver and kidneys | |
| 244. |
The Rh-blood group system was discovered by Karl Landsteiner in |
| A. | 1930s |
| B. | 1940s |
| C. | 1950s |
| D. | 1960s |
| Answer» B. 1940s | |
| 245. |
The prime contributor of atherosclerosis is the accumulation of |
| A. | monocytes |
| B. | mesophyll |
| C. | albumin |
| D. | cholesterol |
| Answer» C. albumin | |
| 246. |
According to two-kingdom classification, the kingdom Plantae consists of |
| A. | autotrophs |
| B. | heterotrophs |
| C. | uniontrophs |
| D. | matrotrophs |
| Answer» B. heterotrophs | |
| 247. |
Escherichia Coli is a |
| A. | virus |
| B. | bacteria |
| C. | fly |
| D. | mushroom |
| Answer» C. fly | |
| 248. |
The cutting down of trees is termed as |
| A. | forestation |
| B. | plantation |
| C. | deforestation |
| D. | biodiversity |
| Answer» D. biodiversity | |
| 249. |
Considering the two-kingdom classification system, the organisms that are included in kingdom Plantae are |
| A. | Volvox, amoeba and paramecium |
| B. | Golgi bodies, algae and fungi |
| C. | amoeba, bacteria and fungi |
| D. | fungi, bacteria and algae |
| Answer» E. | |
| 250. |
The fruit fly is known as |
| A. | drosophila melanogaster |
| B. | homo sapiens |
| C. | Escherichia Coli |
| D. | Amanita Muscaria |
| Answer» B. homo sapiens | |