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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.
| 251. |
The terms "Procariotique" and "Eucariotique" were coined by a biologist named |
| A. | Edouard Chatton |
| B. | Jeff Corwin |
| C. | Ernst Mayr |
| D. | Alfred Kinsey |
| Answer» B. Jeff Corwin | |
| 252. |
The WWF is an abbreviation of |
| A. | Wildlife Fund for World |
| B. | World Wildlife Fund |
| C. | Wildlife Wall Fence |
| D. | Wildlife Watch Fund |
| Answer» C. Wildlife Wall Fence | |
| 253. |
The heterotrophs are organisms that |
| A. | cannot prepare own food |
| B. | prepares food from sunlight |
| C. | prepares food from algae |
| D. | prepares food from viruses |
| Answer» B. prepares food from sunlight | |
| 254. |
The kingdom which consists of eukaryotic multicellular heterotrophs is classified as the kingdom |
| A. | Monera |
| B. | fungi |
| C. | algae |
| D. | protozoa |
| Answer» C. algae | |
| 255. |
In three kingdom system, protists accommodate the organisms like |
| A. | euglena |
| B. | amoeba |
| C. | paramecium |
| D. | fungi |
| Answer» B. amoeba | |
| 256. |
The Euglena is considered as an animal because of absence of |
| A. | cell wall |
| B. | chlorophyll |
| C. | chloroplasts |
| D. | cell membrane |
| Answer» B. chlorophyll | |
| 257. |
The modes of nutrition according to the five-kingdom classification system are |
| A. | photosynthesis |
| B. | ingestion |
| C. | absorption |
| D. | all of above |
| Answer» E. | |
| 258. |
The phylum in taxonomic hierarchies is known as a group of related |
| A. | phylum |
| B. | genus |
| C. | order |
| D. | class |
| Answer» E. | |
| 259. |
The factors on which the diversity of animals and plants of a particular region are dependent includes |
| A. | soils |
| B. | climate |
| C. | altitude |
| D. | all of above |
| Answer» E. | |
| 260. |
The class name to which pea plant belongs is |
| A. | magnoliopsida |
| B. | araneae |
| C. | diplura |
| D. | dermaptera |
| Answer» B. araneae | |
| 261. |
Fungi feed on |
| A. | organic material |
| B. | inorganic material |
| C. | dead plants |
| D. | dead animals |
| Answer» B. inorganic material | |
| 262. |
The scientist Andrea Caesalpino divided plants into fifteen groups and classified as each group as |
| A. | taxon |
| B. | phylum |
| C. | taxa |
| D. | genera |
| Answer» E. | |
| 263. |
The infectious particles made up of circular RNA only and can cause diseases in certain plants are called |
| A. | prions |
| B. | chlorophyll ions |
| C. | heterotrophs ions |
| D. | autotrophs ions |
| Answer» C. heterotrophs ions | |
| 264. |
The Euglena is considered a plant because of the presence of |
| A. | chloroplasts and cell wall |
| B. | stems and leaves |
| C. | roots and shoots |
| D. | chlorophyll |
| Answer» E. | |
| 265. |
The 'Allium cepa' is a scientific name which is used for |
| A. | carrot |
| B. | ginger |
| C. | onion |
| D. | garlic |
| Answer» D. garlic | |
| 266. |
Removal or one issue or invasion of another issue affects the whole |
| A. | biological system |
| B. | community |
| C. | population |
| D. | ecosystem |
| Answer» B. community | |
| 267. |
Some of the prokaryotic cells contain in their cells |
| A. | water |
| B. | chitin |
| C. | chlorophyll |
| D. | oxygen |
| Answer» D. oxygen | |
| 268. |
The singular of taxa is |
| A. | axons |
| B. | taxa |
| C. | taxon |
| D. | tax |
| Answer» D. tax | |
| 269. |
The cellular organization of monerans is |
| A. | unicellular |
| B. | multicellular |
| C. | colonial |
| D. | none of above |
| Answer» B. multicellular | |
| 270. |
The species is known as a group of |
| A. | similar families |
| B. | similar orders |
| C. | similar organisms |
| D. | similar phylum |
| Answer» D. similar phylum | |
| 271. |
Biodiversity is supported and habitat for wildlife is provided by |
| A. | forests |
| B. | deserts |
| C. | rocks |
| D. | cities |
| Answer» B. deserts | |
| 272. |
The Arabic translated version of Aristotle's book is |
| A. | On the Soul |
| B. | on the life |
| C. | On the cell |
| D. | On the mankind |
| Answer» B. on the life | |
| 273. |
Considering classification systems, the number of groups in which plants were divided by Andrea Caesalpino are |
| A. | ten |
| B. | twelve |
| C. | fifteen |
| D. | eighteen |
| Answer» D. eighteen | |
| 274. |
Considering the taxonomic hierarchy, the largest taxon is |
| A. | genus |
| B. | kingdom |
| C. | phylum |
| D. | class |
| Answer» C. phylum | |
| 275. |
The 'Corvus Splendens' is a scientific name which is used for |
| A. | owl |
| B. | house crow |
| C. | sparrow |
| D. | eagle |
| Answer» C. sparrow | |
| 276. |
Wood pulp is used to manufacture |
| A. | furniture |
| B. | paper |
| C. | rubber |
| D. | plastic |
| Answer» C. rubber | |
| 277. |
The naming of the organism in scientific terms is known as |
| A. | binomial nomenclature |
| B. | trinomial nomenclature |
| C. | scientific nomenclature |
| D. | all of above |
| Answer» B. trinomial nomenclature | |
| 278. |
A furthermore threat to a species is chemical |
| A. | contaminants |
| B. | pollutants |
| C. | waste material |
| D. | products |
| Answer» B. pollutants | |
| 279. |
The ladder which is formed by taxonomic categories is classified as |
| A. | historic hierarchy |
| B. | systematic hierarchy |
| C. | taxonomic hierarchy |
| D. | pharmacist hierarchy |
| Answer» D. pharmacist hierarchy | |
| 280. |
The information on heredity is carried by |
| A. | Deoxyribonucleic Acid (DNA) only |
| B. | Ribonucleic Acid (RNA) only |
| C. | mitochondria |
| D. | Deoxyribonucleic Acid (DNA) and Ribonucleic acid (RNA) |
| Answer» E. | |
| 281. |
The magnification of light microscope is |
| A. | 1500X |
| B. | 2000X |
| C. | 1000X |
| D. | 2500X |
| Answer» B. 2000X | |
| 282. |
The common chemical of secondary walls of xylem cells is |
| A. | amino acids |
| B. | peptidoglycan |
| C. | chitin |
| D. | lignin |
| Answer» E. | |
| 283. |
The chromosomes are made up of |
| A. | carbohydrates |
| B. | protein |
| C. | Ribonucleic acid (RNA) |
| D. | Deoxyribonucleic Acid (DNA) |
| Answer» E. | |
| 284. |
The types of meristematic tissues in plants includes |
| A. | apical meristems only |
| B. | transverse meristems only |
| C. | lateral meristems |
| D. | apical and transverse meristems |
| Answer» E. | |
| 285. |
The functions of lysosomes consists of |
| A. | breakdown of food only |
| B. | elimination of waste materials only |
| C. | formation of fibers |
| D. | breakdown of food and elimination of waste materials |
| Answer» E. | |
| 286. |
If one small cube is 600µm2 then the surface area of 30 small cubes is |
| A. | 28000µm2 |
| B. | 15000µm2 |
| C. | 18000µm2 |
| D. | 19000µm2 |
| Answer» D. 19000µm2 | |
| 287. |
The scientist Rudolf Virchow proposed extension of cell theory in |
| A. | 1842 |
| B. | 1868 |
| C. | 1855 |
| D. | 1895 |
| Answer» D. 1895 | |
| 288. |
The tissues that are originated from meristematic tissues are called |
| A. | secondary tissues |
| B. | intercalary tissues |
| C. | simple tissues |
| D. | permanent tissues |
| Answer» E. | |
| 289. |
The forms of networks of endoplasmic reticulum are |
| A. | smooth endoplasmic reticulum only |
| B. | rough endoplasmic reticulum only |
| C. | starchy endoplasmic reticulum |
| D. | smooth and rough endoplasmic reticulum |
| Answer» E. | |
| 290. |
The kind of plastids which contains pigments that are related to bright colors are called |
| A. | leucoplasts |
| B. | chromoplast |
| C. | chlorophyll |
| D. | reticulum |
| Answer» C. chlorophyll | |
| 291. |
The cells that transmits the messages between different body parts are |
| A. | lengthy nerve cells |
| B. | long muscle cells |
| C. | platelets |
| D. | red blood cells |
| Answer» B. long muscle cells | |
| 292. |
The object and the lens is placed in the |
| A. | vacuum chamber |
| B. | electron gun |
| C. | projector |
| D. | all of above |
| Answer» B. electron gun | |
| 293. |
In eukaryotic cells, the ribosomes are |
| A. | smaller |
| B. | larger |
| C. | absent |
| D. | cubical form |
| Answer» C. absent | |
| 294. |
The type of support tissues that consists of uneven thickened primary walls with elongated cells is called |
| A. | collenchyma's tissues |
| B. | phloem tissues |
| C. | xylem tissues |
| D. | parenchyma tissues |
| Answer» B. phloem tissues | |
| 295. |
The cells that consists of chloroplasts are involved in |
| A. | osmosis |
| B. | diffusion |
| C. | metabolism |
| D. | photosynthesis |
| Answer» E. | |
| 296. |
The number of layers that together compose the veins are |
| A. | two |
| B. | three |
| C. | four |
| D. | five |
| Answer» C. four | |
| 297. |
The blood pressure which is higher than normal is classified as |
| A. | diabetes |
| B. | hypertension |
| C. | hypotension |
| D. | arteriosclerosis |
| Answer» C. hypotension | |
| 298. |
The time for ventricular systole in one heartbeat is |
| A. | 0.3 seconds |
| B. | 0.9 seconds |
| C. | 0.8 seconds |
| D. | 0.6 seconds |
| Answer» B. 0.9 seconds | |
| 299. |
The heart in the human body is situated in the |
| A. | middle of chest cavity |
| B. | below the buccal cavity |
| C. | below the chest cavity |
| D. | middle of buccal cavity |
| Answer» B. below the buccal cavity | |
| 300. |
Severe atherosclerosis leads to |
| A. | arteriosclerosis |
| B. | hepatic disorders |
| C. | vena cava disorders |
| D. | none of above |
| Answer» B. hepatic disorders | |