MCQOPTIONS
Saved Bookmarks
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.
| 601. |
The process exocytosis replaces the cell membrane part which is destroyed during |
| A. | peristalsis |
| B. | osmosis |
| C. | dialysis |
| D. | endocytosis |
| Answer» E. | |
| 602. |
The higher temperatures cause the |
| A. | absorption of chloroplasts |
| B. | making of chlorophyll |
| C. | opening of stomata |
| D. | closure of stomata |
| Answer» E. | |
| 603. |
The valve which guards the opening between the right ventricle and right atrium is known as |
| A. | bicuspid atria |
| B. | tricuspid valve |
| C. | bicuspid valve |
| D. | tricuspid atria |
| Answer» C. bicuspid valve | |
| 604. |
The accumulation of cholesterol results in the formation of substance within arteries called |
| A. | basophils |
| B. | monocytes |
| C. | plaques |
| D. | vena cava |
| Answer» D. vena cava | |
| 605. |
The blood clots formed by plaques within arteries are called |
| A. | thrombus |
| B. | vena cava |
| C. | rhombus |
| D. | embolus |
| Answer» B. vena cava | |
| 606. |
After the loss of the nucleus of red blood cells, the cells |
| A. | leaves the blood |
| B. | enters the blood |
| C. | leaves the kidneys |
| D. | enters the kidneys |
| Answer» C. leaves the kidneys | |
| 607. |
In gametophyte generation, the mitosis undergoes in the zygote to become |
| A. | haploid gametophyte |
| B. | diploid gametophyte |
| C. | haploid sporophyte |
| D. | diploid sporophyte |
| Answer» E. | |
| 608. |
The mass formed at the surface of hydra after mitosis is called |
| A. | tail |
| B. | gills |
| C. | bud |
| D. | fins |
| Answer» D. fins | |
| 609. |
The loose thread-like structure of genetic material present on the nucleus is called |
| A. | chromatin |
| B. | centrioles |
| C. | nucleotides |
| D. | cristae |
| Answer» B. centrioles | |
| 610. |
During the G1 phase of the cell cycle, the cell increases |
| A. | supply of oxygen |
| B. | supply of carbon dioxide |
| C. | supply of water |
| D. | supply of proteins |
| Answer» E. | |
| 611. |
The cell division process mitosis undergoes in |
| A. | germ line cells |
| B. | stamen cells |
| C. | stomata cells |
| D. | somatic cells |
| Answer» B. stamen cells | |
| 612. |
The tissue which prepares food is called |
| A. | parenchyma |
| B. | collenchyma |
| C. | sclerenchyma |
| D. | supporting |
| Answer» B. collenchyma | |
| 613. |
The branch of biology which deals with the study of functions of different parts is called |
| A. | physiology |
| B. | morphology |
| C. | histology |
| D. | biotechnology |
| Answer» B. morphology | |
| 614. |
The molecules having lower atomic weight are classified as |
| A. | micro molecules |
| B. | macromolecules |
| C. | massive molecule |
| D. | ionic molecules |
| Answer» B. macromolecules | |
| 615. |
The name of the book written by scientist Bu Ali Sina is |
| A. | Al-Qanun-fi-al-Tib |
| B. | Al-Wahoosh |
| C. | Al-Nabatat |
| D. | Kalq al-ansan |
| Answer» B. Al-Wahoosh | |
| 616. |
The study of drugs and their effects on an organism is called |
| A. | entomology |
| B. | immunology |
| C. | paleontology |
| D. | pharmacology |
| Answer» E. | |
| 617. |
The freezing point of water is |
| A. | 160 ° C |
| B. | 0 °C |
| C. | 120 ° C |
| D. | 130 ° C |
| Answer» C. 120 ° C | |
| 618. |
The material needed by mosquitoes for their eggs maturation is |
| A. | blood of mammals |
| B. | saliva of mammals |
| C. | oxygen |
| D. | waste material of birds |
| Answer» B. saliva of mammals | |
| 619. |
The deductions of the biological method are drawn from |
| A. | conclusions |
| B. | formulated hypothesis |
| C. | performed experiments |
| D. | reported results |
| Answer» C. performed experiments | |
| 620. |
Data summarized by calculation of mean value is called its |
| A. | data analysis |
| B. | statistics |
| C. | graphs |
| D. | diagraphs |
| Answer» C. graphs | |
| 621. |
In the biological method, the senses that are used to make observations do not include |
| A. | smell and vision |
| B. | taste and touch |
| C. | hearing |
| D. | preparing chemical compounds |
| Answer» E. | |
| 622. |
The telophase is the phase of completion of |
| A. | platelet division |
| B. | fibrous division |
| C. | cell division |
| D. | nuclear division |
| Answer» E. | |
| 623. |
The life span of red blood cells is about |
| A. | 2 months |
| B. | 4 months |
| C. | 8 months |
| D. | 6 months |
| Answer» C. 8 months | |
| 624. |
During prophase, I, the kinetochores of chromosomes are attached with kinetochores |
| A. | centrosome |
| B. | ribosomes |
| C. | lysosomes |
| D. | spindle fibers |
| Answer» E. | |
| 625. |
The geneticist who observed the phenomena of crossing over in fruit fly is |
| A. | Ernst Haeckel |
| B. | Thomas Hunt |
| C. | John Watson |
| D. | Ernst Oscar |
| Answer» C. John Watson | |
| 626. |
The phase in which the cell prepares the proteins for producing spindle fibers is |
| A. | G3 phase |
| B. | G2 phase |
| C. | G4 phase |
| D. | G6 phase |
| Answer» C. G4 phase | |
| 627. |
The series of light reactions is also known as |
| A. | N-scheme |
| B. | Z-scheme |
| C. | A-scheme |
| D. | D-scheme |
| Answer» C. A-scheme | |
| 628. |
The phase of aerobic respiration in which NADH, ATP and FADH2 is formed is |
| A. | acidic cycle |
| B. | light cycle |
| C. | Krebs cycle |
| D. | Melvin cycle |
| Answer» D. Melvin cycle | |
| 629. |
The name of fungus which is used in the making of soy sauce is |
| A. | Aspergillus |
| B. | Aspergillus |
| C. | Aspergillus |
| D. | |
| Answer» D. | |
| 630. |
The ATP was discovered by Karl Lohmann in |
| A. | 1829 |
| B. | 1929 |
| C. | 1949 |
| D. | 1910 |
| Answer» C. 1949 | |
| 631. |
The alcoholic fermentation occurs in |
| A. | support tissues |
| B. | connective tissues |
| C. | yeast and bacteria |
| D. | skeletal muscles |
| Answer» D. skeletal muscles | |
| 632. |
The process photosynthesis is classified as |
| A. | carbonic process |
| B. | catabolic process |
| C. | anabolic process |
| D. | metabolic process |
| Answer» D. metabolic process | |
| 633. |
The loss of electrons in hydrogen atoms is known as |
| A. | anabolism |
| B. | oxidation |
| C. | catabolism |
| D. | reduction |
| Answer» C. catabolism | |
| 634. |
The food is oxidized in cellular respiration in the form of |
| A. | CO2 |
| B. | C2 |
| C. | O2 |
| D. | H2O |
| Answer» B. C2 | |
| 635. |
The constant energy flow in organisms to carry out life activities is comprised of |
| A. | transformation of energy |
| B. | acquisition of energy |
| C. | usage of energy |
| D. | all of above |
| Answer» C. usage of energy | |
| 636. |
The number of ATP produced by FADH2 is |
| A. | five |
| B. | four |
| C. | three |
| D. | two |
| Answer» E. | |
| 637. |
The types of epithelial tissues do not includes |
| A. | ciliated epithelium |
| B. | columnar epithelium |
| C. | squamous epithelium |
| D. | cuboidal epithelium |
| Answer» B. columnar epithelium | |
| 638. |
The material which hardens the cell walls of sclerenchyma tissues is |
| A. | actin |
| B. | lignin |
| C. | cristae |
| D. | tubulin |
| Answer» C. cristae | |
| 639. |
The solution which consists of an equal concentration of solutes is |
| A. | exotonic |
| B. | hypotonic |
| C. | hypertonic |
| D. | isotonic |
| Answer» E. | |
| 640. |
The magnification power of a light microscope is equal to |
| A. | 1500 X |
| B. | 1200X |
| C. | 1000X |
| D. | 500X |
| Answer» B. 1200X | |
| 641. |
The tubulin protein is a major component of |
| A. | flagella and mosses |
| B. | ferns and cilia |
| C. | Volvox and mosses |
| D. | flagella and cilia |
| Answer» E. | |
| 642. |
A person who works for the betterment of crops is known as |
| A. | agriculturist |
| B. | florist |
| C. | farmer |
| D. | gardener |
| Answer» B. florist | |
| 643. |
In the word biology, 'bio' stands for |
| A. | life |
| B. | water |
| C. | organism |
| D. | reason |
| Answer» B. water | |
| 644. |
Maintenance and development of farms is studied in |
| A. | farming |
| B. | agriculture |
| C. | animal husbandry |
| D. | fisheries |
| Answer» B. agriculture | |
| 645. |
The study of fossil's age and process of evolution is done in |
| A. | entomology |
| B. | immunology |
| C. | paleontology |
| D. | taxonomy |
| Answer» D. taxonomy | |
| 646. |
The Rana Tigrina is the scientific name of |
| A. | cockroach |
| B. | lizard |
| C. | frog |
| D. | rabbit |
| Answer» D. rabbit | |
| 647. |
Considering the parts of plants except for leaves, the site of protein synthesis and respiration are called |
| A. | epidermis |
| B. | mesophyll |
| C. | chlorophyll |
| D. | none of above |
| Answer» C. chlorophyll | |
| 648. |
The cells that are found in plants abundantly are |
| A. | xylem cells |
| B. | sclerenchyma cells |
| C. | collenchyma cells |
| D. | parenchyma cells |
| Answer» E. | |
| 649. |
The collenchyma tissues are found in |
| A. | petals of flowers |
| B. | midribs of leaves |
| C. | cortex of young stems |
| D. | all of above |
| Answer» E. | |
| 650. |
The division of lateral meristems leads to an increase in |
| A. | transpiration |
| B. | osmosis |
| C. | absorption |
| D. | growth of parts of plants |
| Answer» E. | |