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.
| 701. |
The meaning of "angina pectoris" is |
| A. | artery death |
| B. | heart death |
| C. | chest pain |
| D. | knee pain |
| Answer» D. knee pain | |
| 702. |
The scientist who described the blood circulation pathway for the first time is |
| A. | Ibn-e-Nafees |
| B. | Charles Darwin |
| C. | Ernst Haeckel |
| D. | Rachel Carson |
| Answer» B. Charles Darwin | |
| 703. |
During the night, the plants keep their |
| A. | mesophyll opens |
| B. | chlorophyll blocked |
| C. | stomata opens |
| D. | stomata closed |
| Answer» E. | |
| 704. |
Out of 16 bio elements, 10 makes the total mass percentage which is equal to |
| A. | 0.01 |
| B. | 0.02 |
| C. | 0.03 |
| D. | 0.04 |
| Answer» B. 0.02 | |
| 705. |
The study of the chemistry of different processes and compounds in living organisms is classified as |
| A. | biogeography |
| B. | bio economic |
| C. | anthropology |
| D. | biochemistry |
| Answer» E. | |
| 706. |
Grinding of food and the movement of food to posterior end is done by |
| A. | muscular tissue |
| B. | cardiac tissue |
| C. | contracting tissue |
| D. | connective tissue |
| Answer» B. cardiac tissue | |
| 707. |
The examples of the multicellular organization are |
| A. | Volvox and amoeba |
| B. | cactus and mustard |
| C. | mustard and frog |
| D. | amoeba and frog |
| Answer» D. amoeba and frog | |
| 708. |
The tissues by which gastric juice is secreted for proteins digestion are |
| A. | epithelial tissues |
| B. | muscular tissues |
| C. | nervous tissues |
| D. | ground tissues |
| Answer» B. muscular tissues | |
| 709. |
The function of cuboidal epithelium is |
| A. | protection of inner parts |
| B. | absorption of secretions |
| C. | release of secretions |
| D. | movement of materials |
| Answer» D. movement of materials | |
| 710. |
The nervous tissues, muscle tissues, epithelial tissues, and connective tissues are major categories of |
| A. | mitotic tissues |
| B. | animal tissues |
| C. | plant tissues |
| D. | meiotic tissues |
| Answer» C. plant tissues | |
| 711. |
The organelles that can be seen under the electron microscope are |
| A. | cell organelles |
| B. | Deoxyribonucleic Acid (DNA) |
| C. | Ribonucleic Acid (RNA) |
| D. | all of above |
| Answer» E. | |
| 712. |
The process of glucose breakdown during cellular respiration is |
| A. | organic breakdown |
| B. | nucleolus |
| C. | dialysis |
| D. | glycolysis |
| Answer» E. | |
| 713. |
The small openings in the epidermis leaf are called |
| A. | nucleotides |
| B. | stomatas |
| C. | granules |
| D. | geraniums |
| Answer» C. granules | |
| 714. |
The portion of the stomach which is present beneath the cardiac portion is called |
| A. | opsin portion |
| B. | gastric portion |
| C. | pyloric portion |
| D. | cardiac portion |
| Answer» D. cardiac portion | |
| 715. |
The length of the duodenum is |
| A. | 25 cm |
| B. | 31 cm |
| C. | 21 cm |
| D. | 35 cm |
| Answer» B. 31 cm | |
| 716. |
The trace mineral required for the normal functioning of thyroid is |
| A. | iodine |
| B. | molybdenum |
| C. | nickel |
| D. | Sulphur |
| Answer» B. molybdenum | |
| 717. |
The organic fertilizers include |
| A. | manure and compost |
| B. | sulfur and gypsum |
| C. | rock phosphate and compost |
| D. | magnesium and phosphorus |
| Answer» B. sulfur and gypsum | |
| 718. |
The process of chewing food is also known as |
| A. | mastication |
| B. | lubrication |
| C. | peristalsis |
| D. | anti-peristalsis |
| Answer» B. lubrication | |
| 719. |
The symptoms of scurvy include |
| A. | slow healing of wounds |
| B. | joint and muscle pain |
| C. | bleeding gums and dry skin |
| D. | all of above |
| Answer» E. | |
| 720. |
If the nitrogen is the main element of fertilizers then the fertilizers are classified as |
| A. | structural fertilizers |
| B. | non-structural fertilizers |
| C. | nitrogen fertilizers |
| D. | respiratory fertilizers |
| Answer» D. respiratory fertilizers | |
| 721. |
The major macronutrient which is the component of enzymes and vitamins is |
| A. | calcium phosphate |
| B. | carbon dioxide |
| C. | Sulphur |
| D. | sea salt |
| Answer» D. sea salt | |
| 722. |
The mineral in the body which helps in absorption of nutrients and maintain the balance of fluid in the body is |
| A. | sodium |
| B. | iodine |
| C. | chromium |
| D. | boron |
| Answer» B. iodine | |
| 723. |
The tube in the digestive system that extends to anus from mouth is classified as |
| A. | alimentary canal |
| B. | esophagus |
| C. | wind pipe |
| D. | large intestine |
| Answer» B. esophagus | |
| 724. |
Theodor Schwann reported that all animal's tissues are composed of |
| A. | cells |
| B. | organelles |
| C. | cell wall |
| D. | cell membrane |
| Answer» B. organelles | |
| 725. |
The model of cell membrane which states that protein molecules are embedded in lipid bilayer is called |
| A. | bipolar-mosaic model |
| B. | lipid mosaic model |
| C. | fluid-mosaic model |
| D. | lipid layer model |
| Answer» D. lipid layer model | |
| 726. |
The shrinkage of the cytoplasm is classified as |
| A. | plasmolysis |
| B. | dialysis |
| C. | electrolysis |
| D. | all of above |
| Answer» B. dialysis | |
| 727. |
The increase in the length of the plant due to the division of apical meristems is called |
| A. | primary growth |
| B. | secondary growth |
| C. | tertiary growth |
| D. | epidermal growth |
| Answer» B. secondary growth | |
| 728. |
The tiny organisms observed by Dutch naturalist Leeuwenhoek are known as |
| A. | cellulite |
| B. | cellulose |
| C. | animalcules |
| D. | cellulae |
| Answer» D. cellulae | |
| 729. |
The femoral vein empties into |
| A. | external iliac vein |
| B. | internal iliac vein |
| C. | inferior iliac vein |
| D. | none of above |
| Answer» B. internal iliac vein | |
| 730. |
The phloem present in the plant is responsible for the transportation of |
| A. | nitrogen molecules |
| B. | carbon dioxide |
| C. | food substances |
| D. | oxygen |
| Answer» D. oxygen | |
| 731. |
The flat and short bones in the human body include |
| A. | ribs |
| B. | sternum |
| C. | vertebrae |
| D. | all of above |
| Answer» E. | |
| 732. |
Considering the layers of arteries, the middle layer of the artery is composed of |
| A. | connective tissue and cardiac muscles |
| B. | elastic tissue and skeletal muscles |
| C. | elastic tissue and smooth muscles |
| D. | elastic tissue and cardiac muscles |
| Answer» D. elastic tissue and cardiac muscles | |
| 733. |
Of all the arteries, the arteries that cannot carry oxygenated blood are |
| A. | aortic arteries |
| B. | pulmonary arteries |
| C. | systole arteries |
| D. | diastole arteries |
| Answer» C. systole arteries | |
| 734. |
All the scientific information comes under one name that is |
| A. | biology |
| B. | chemistry |
| C. | math |
| D. | Science |
| Answer» E. | |
| 735. |
The tissue present between xylem and phloem are known as |
| A. | apical meristem |
| B. | lateral meristem |
| C. | permanent tissue |
| D. | ground tissue |
| Answer» C. permanent tissue | |
| 736. |
The organ which is specialized for food storing and digestion of proteins is |
| A. | lungs |
| B. | stomach |
| C. | kidneys |
| D. | liver |
| Answer» C. kidneys | |
| 737. |
Individuals who live together in a population are known as |
| A. | specie |
| B. | kingdom |
| C. | eukaryotes |
| D. | protist |
| Answer» B. kingdom | |
| 738. |
The groups of the cells that perform similar functions are classified as |
| A. | micro molecules |
| B. | macromolecules |
| C. | tissues |
| D. | molecules |
| Answer» D. molecules | |
| 739. |
The disease condition in which synthesized collagens are unstable is called |
| A. | tuberculosis |
| B. | angina |
| C. | hemophilia |
| D. | scurvy |
| Answer» E. | |
| 740. |
The organic fertilizers can be derived from |
| A. | animal materials only |
| B. | plant materials only |
| C. | carbon materials |
| D. | animal and plant materials |
| Answer» E. | |
| 741. |
The dietary fiber is also known as |
| A. | roughage |
| B. | rhodopsin |
| C. | pepsin |
| D. | opsin |
| Answer» B. rhodopsin | |
| 742. |
The solid remains of the food after absorption of water is called |
| A. | feces |
| B. | bile |
| C. | urine |
| D. | cristae |
| Answer» B. bile | |
| 743. |
The two main portions of the stomach include |
| A. | cardia portion only |
| B. | pyloric portion only |
| C. | pepsin portion |
| D. | cardia and pyloric portion |
| Answer» E. | |
| 744. |
The division phase is also known as |
| A. | C phase |
| B. | S phase |
| C. | M phase |
| D. | G phase |
| Answer» D. G phase | |
| 745. |
The bivalent chromosomes are also known as |
| A. | tetrad |
| B. | covalent |
| C. | trivalent |
| D. | compound |
| Answer» B. covalent | |
| 746. |
The cells in which spindle fibers are not formed during the division process are |
| A. | sporophytes |
| B. | prokaryotes |
| C. | eukaryotes |
| D. | gametophytes |
| Answer» C. eukaryotes | |
| 747. |
The major phases of the cell cycle include |
| A. | mitotic phase only |
| B. | interphase only |
| C. | anaphase |
| D. | mitotic and interphase |
| Answer» E. | |
| 748. |
The cells of multicellular organisms in which mitosis undergoes are |
| A. | chromatin cells |
| B. | somatic cells |
| C. | daughter cells |
| D. | parent cells |
| Answer» C. daughter cells | |
| 749. |
The epidermal tissues consist of a single-cell layer to cover |
| A. | body of plants |
| B. | roots of plants |
| C. | flower of plants |
| D. | seeds of plants |
| Answer» B. roots of plants | |
| 750. |
The tissue which binds and supports other tissues is called |
| A. | connective tissue |
| B. | linkage tissue |
| C. | muscle tissue |
| D. | nervous tissue |
| Answer» B. linkage tissue | |