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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.
| 901. |
The skeletal muscles are responsible for movements of |
| A. | elongated cells |
| B. | materials |
| C. | bones |
| D. | flat cells |
| Answer» D. flat cells | |
| 902. |
The cells that consist of a large surface for absorbing salts and water are |
| A. | phloem cells |
| B. | nucleoid cells |
| C. | root hair cells |
| D. | xylem cells |
| Answer» D. xylem cells | |
| 903. |
The scientist who studied tissues of plants and made a statement in cell theory is |
| A. | William Batram |
| B. | Mathias Schleiden |
| C. | Bruce Ames |
| D. | John Bachman |
| Answer» C. Bruce Ames | |
| 904. |
The vessel elements lack the end walls are joined together to form |
| A. | nucleotides |
| B. | long tubes |
| C. | chromatins |
| D. | nuclei |
| Answer» C. chromatins | |
| 905. |
The structure of walls in the ground tissues is |
| A. | primary cell walls |
| B. | secondary cell walls |
| C. | tertiary cell walls |
| D. | tetra cell walls |
| Answer» B. secondary cell walls | |
| 906. |
After the contraction of the left ventricle, the oxygenated blood is pumped in |
| A. | ventricle |
| B. | aorta |
| C. | atria |
| D. | semi lunar valve |
| Answer» C. atria | |
| 907. |
The arteries that supply blood to the ribs are called |
| A. | hepatic arteries |
| B. | dorsal arteries |
| C. | intercostal arteries |
| D. | celiac arteries |
| Answer» D. celiac arteries | |
| 908. |
The substances that are found in plasma in trace amounts are |
| A. | zinc, magnesium and calcium |
| B. | phosphorus, Sulphur and copper |
| C. | nickel, chlorine and iron |
| D. | molybdenum, potassium and boron |
| Answer» B. phosphorus, Sulphur and copper | |
| 909. |
The classification of blood which is based on the absence or presence of antigens on RBCs cells is called |
| A. | leukocytes group system |
| B. | blood group systems |
| C. | antigen group system |
| D. | erythrocytes group system |
| Answer» C. antigen group system | |
| 910. |
The table salt is also known as |
| A. | calcium chloride |
| B. | magnesium chloride |
| C. | potassium chloride |
| D. | sodium chloride |
| Answer» E. | |
| 911. |
In tracheids, the slender cells that have overlapping ends are called |
| A. | stroma |
| B. | thylakoids |
| C. | tracheids |
| D. | cristae |
| Answer» D. cristae | |
| 912. |
The striped cells of skeletal muscles consist of many |
| A. | centrosome |
| B. | nuclei |
| C. | nucleotide |
| D. | granum |
| Answer» C. nucleotide | |
| 913. |
The phloem and xylem tissues are only found in |
| A. | vascular plants |
| B. | exocytosis plants |
| C. | epidermal plants |
| D. | endocytosis plants |
| Answer» B. exocytosis plants | |
| 914. |
The two centrioles are classified as |
| A. | cyto-centrioles |
| B. | centrosome |
| C. | granum centriole |
| D. | endo-centrioles |
| Answer» C. granum centriole | |
| 915. |
The function of columnar epithelium is |
| A. | movement of materials |
| B. | protection of inner parts |
| C. | absorption of secretions |
| D. | release of secretions |
| Answer» E. | |
| 916. |
Organization of different organs and organs system forms an |
| A. | individual |
| B. | animal |
| C. | ecosystem |
| D. | all of above |
| Answer» B. animal | |
| 917. |
The Brassica Campestris is the scientific name of |
| A. | radish plant |
| B. | mustard plant |
| C. | spinach plant |
| D. | lemon plant |
| Answer» C. spinach plant | |
| 918. |
Bacteria is an example of |
| A. | prokaryotes |
| B. | eukaryotes |
| C. | autotrophic |
| D. | heterotrophic |
| Answer» B. eukaryotes | |
| 919. |
Bio elements usually do not exist in |
| A. | groups |
| B. | isolation |
| C. | clusters |
| D. | heaps |
| Answer» C. clusters | |
| 920. |
Khalaq-al-Ansan is a famous book of |
| A. | Jabir - bin Hayan |
| B. | Abdul Malik Asmai |
| C. | Bu Ali Sina |
| D. | Aristotle |
| Answer» C. Bu Ali Sina | |
| 921. |
The protein which is present in microtubules is called |
| A. | mosaic protein |
| B. | plasma protein |
| C. | chitin protein |
| D. | tubulin protein |
| Answer» E. | |
| 922. |
The kind of diffusion in which energy does not expend during diffusion of molecules across the membrane is called |
| A. | macro transport |
| B. | micro transport |
| C. | active transport |
| D. | passive transport |
| Answer» E. | |
| 923. |
The function of small vacuoles of mature plant cells is to |
| A. | absorb water |
| B. | absorb oxygen |
| C. | absorb carbon dioxide |
| D. | absorb salts |
| Answer» B. absorb oxygen | |
| 924. |
The example of a hypotonic solution is |
| A. | freshwater |
| B. | seawater |
| C. | hydrochloric acid |
| D. | nitric acid |
| Answer» B. seawater | |
| 925. |
The hypertonic solution has relatively |
| A. | less solvent |
| B. | more solute |
| C. | less solute |
| D. | more solvent |
| Answer» C. less solute | |
| 926. |
The phases of meiosis are subdivided into |
| A. | metaphase II and anaphase II |
| B. | telophase II |
| C. | prophase II |
| D. | all of above |
| Answer» E. | |
| 927. |
The germ cells are the cells that give rise to |
| A. | gametes |
| B. | ovaries |
| C. | sperms |
| D. | eggs |
| Answer» B. ovaries | |
| 928. |
The complex protein structure from which the spindle fibers are attached is called |
| A. | kinetochores |
| B. | centromere |
| C. | cristae cells |
| D. | stamen cells |
| Answer» B. centromere | |
| 929. |
The points of attachment where non-sister chromatids of homologous chromosomes are joined with each other at certain points are called |
| A. | covalent |
| B. | chiasmata |
| C. | tetrad |
| D. | bivalent |
| Answer» C. tetrad | |
| 930. |
The number of chromosomes in the parent cell are |
| A. | equal |
| B. | not equal |
| C. | 38 chromosomes |
| D. | 48 chromosomes |
| Answer» B. not equal | |
| 931. |
The example of an organism which reproduces through budding is |
| A. | paramecium |
| B. | hydra |
| C. | flagella |
| D. | jelly fish |
| Answer» C. flagella | |
| 932. |
In the anaphase I, the chromosome is pulled to the one pole to form |
| A. | four diploid sets |
| B. | two diploid sets |
| C. | two haploid sets |
| D. | four haploid sets |
| Answer» D. four haploid sets | |
| 933. |
The number of phases in the cell cycle are |
| A. | five |
| B. | three |
| C. | four |
| D. | two |
| Answer» C. four | |
| 934. |
During cytokinesis in plants, the vesicles are moved to the middle of the cell to form |
| A. | cell plate |
| B. | cleavage plate |
| C. | fibrous plate |
| D. | chromatin plate |
| Answer» B. cleavage plate | |
| 935. |
The microtubules formed in prophase are called |
| A. | spindle fibers |
| B. | mitotic fibers |
| C. | micro fibers |
| D. | micro centromere |
| Answer» B. mitotic fibers | |
| 936. |
The basis of development from a single cell into a multicellular body is |
| A. | osmosis |
| B. | infusion |
| C. | mitosis |
| D. | meiosis |
| Answer» D. meiosis | |
| 937. |
The chromatin converted into the ordered structures known as |
| A. | ribosomes |
| B. | chromosomes |
| C. | lysosomes |
| D. | centrosome |
| Answer» C. lysosomes | |
| 938. |
The second part of meiosis which is similar to mitosis is |
| A. | meiosis I |
| B. | meiosis II |
| C. | meiosis III |
| D. | meiosis IV |
| Answer» C. meiosis III | |
| 939. |
The process by which the homologous chromosomes forms pairs by lining up with each other is called |
| A. | electro kinesis |
| B. | interkinesis |
| C. | intrakinesis |
| D. | synapsis |
| Answer» E. | |
| 940. |
The phase which is a reversal of prophase is called |
| A. | prophase I |
| B. | anaphase I |
| C. | telophase I |
| D. | metaphase I |
| Answer» D. metaphase I | |
| 941. |
The chromosomes are duplicated during the cell cycle in |
| A. | B phase |
| B. | G phase |
| C. | S phase |
| D. | P phase |
| Answer» D. P phase | |
| 942. |
The phenomenon in which segments of non-sister chromatids are exchanged is called |
| A. | taking over |
| B. | making over |
| C. | passing over |
| D. | crossing over |
| Answer» E. | |
| 943. |
The kinetochores are preset in each chromosome at |
| A. | somatic cells |
| B. | vacuoles |
| C. | centromere |
| D. | gametophytes |
| Answer» D. gametophytes | |
| 944. |
The cell plate is also known as |
| A. | nucleiplast |
| B. | phragmoplast |
| C. | chloroplast |
| D. | fibroblast |
| Answer» C. chloroplast | |
| 945. |
The necrosis is classified as |
| A. | accidental cell death |
| B. | mitotic cell death |
| C. | programmed cell death |
| D. | non-programmed cell death |
| Answer» B. mitotic cell death | |
| 946. |
The term which we used to measure the clarity of an image is |
| A. | resolution only |
| B. | resolving only |
| C. | magnification |
| D. | resolution and resolving |
| Answer» E. | |
| 947. |
Considering the types of endocytosis, the phagocytosis means |
| A. | cellular eating |
| B. | cellular absorption |
| C. | cellular respiration |
| D. | cellular osmosis |
| Answer» B. cellular absorption | |
| 948. |
The increase in the size of the object is known as |
| A. | magnification |
| B. | resolving |
| C. | scanning |
| D. | focusing |
| Answer» B. resolving | |
| 949. |
The granular fluid present inside the nuclear envelope is called |
| A. | glycolysis |
| B. | nucleolus |
| C. | cytoplasm |
| D. | nucleolus |
| Answer» E. | |
| 950. |
The environment in which plant cell's cytoplasm shrinks due to the loss of water is |
| A. | hypotonic environment |
| B. | isotonic environment |
| C. | toning environment |
| D. | hypertonic environment |
| Answer» E. | |