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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.
| 851. |
For the study of the internal structure of the cell we use |
| A. | electron microscope |
| B. | light microscope |
| C. | compound microscope |
| D. | transmission electron |
| Answer» E. | |
| 852. |
The cells take in materials in the form of liquid during |
| A. | phagocytosis |
| B. | microcytosis |
| C. | pinocytosis |
| D. | microcytosis |
| Answer» D. microcytosis | |
| 853. |
The description of the cell was first given by |
| A. | Robert Hooke |
| B. | Aristotle |
| C. | Robert Brown |
| D. | Matthias Schneider |
| Answer» B. Aristotle | |
| 854. |
The cell wall of prokaryotes is made up of |
| A. | chitin |
| B. | cellulose |
| C. | peptidoglycan |
| D. | polypeptides |
| Answer» D. polypeptides | |
| 855. |
Considering kinds of epithelial tissues, the cuboidal epithelium is composed of |
| A. | elongated cells |
| B. | single layer of flat cells |
| C. | single layer of cube cells |
| D. | many layer of flat cells |
| Answer» D. many layer of flat cells | |
| 856. |
The main veins through which deoxygenated blood is received by right atrium are |
| A. | right and left tricuspid |
| B. | upper and lower tricuspid |
| C. | superior and inferior vena cavae |
| D. | left and right vena cavae |
| Answer» D. left and right vena cavae | |
| 857. |
The pressure of blood is low in |
| A. | capillaries |
| B. | nerves |
| C. | arteries |
| D. | veins |
| Answer» E. | |
| 858. |
The salts present in plasma make up |
| A. | 0.9% of plasma |
| B. | 0.2% of plasma |
| C. | 0.01% of plasma |
| D. | 0.65% of plasma |
| Answer» B. 0.2% of plasma | |
| 859. |
The person having antigen A on the surface of RBCs has |
| A. | blood group O |
| B. | blood group AB |
| C. | blood group B |
| D. | blood group A |
| Answer» E. | |
| 860. |
In adults, the red blood cells are formed in |
| A. | lungs and liver |
| B. | bone marrow of flat and short bones |
| C. | spleen and liver |
| D. | liver and spleen |
| Answer» C. spleen and liver | |
| 861. |
The manner in which atoms usually reacts with each other is determined by number of |
| A. | neutrons |
| B. | electrons |
| C. | protons |
| D. | none of above |
| Answer» C. protons | |
| 862. |
The famous book "Al-Nabatat" was written by |
| A. | Abdul Salam |
| B. | Bu Ali Sina |
| C. | Abdul Malik Asmai |
| D. | Jabir Bin Hayan |
| Answer» E. | |
| 863. |
The organelles are actually |
| A. | cellular |
| B. | sub cellular |
| C. | multicellular |
| D. | unicellular |
| Answer» C. multicellular | |
| 864. |
The subatomic particles protons and neutrons are located inside of |
| A. | nucleus |
| B. | golgi bodies |
| C. | ribosome |
| D. | mitochondria |
| Answer» B. golgi bodies | |
| 865. |
Starch, protein and lipids are known as the types of |
| A. | micro molecule |
| B. | macro molecules |
| C. | compounds |
| D. | complex molecule |
| Answer» C. compounds | |
| 866. |
The energy which is increased in water molecules due to higher temperatures is |
| A. | potential energy |
| B. | kinetic energy |
| C. | kinematic energy |
| D. | thermal energy |
| Answer» C. kinematic energy | |
| 867. |
The theory which states that transpiration pull is responsible for carrying water upward through the xylem is called |
| A. | cortex-xylem theory |
| B. | cohesion-pressure theory |
| C. | cohesion-tension theory |
| D. | pressure-tension theory |
| Answer» D. pressure-tension theory | |
| 868. |
The example of sources in plants is |
| A. | tubers |
| B. | developing fruits |
| C. | mature leaf |
| D. | roots |
| Answer» D. roots | |
| 869. |
The strongest and largest chamber of the heart is |
| A. | left ventricle |
| B. | right ventricle |
| C. | upper ventricle |
| D. | lower ventricle |
| Answer» B. right ventricle | |
| 870. |
The capillaries are joined to form venule and venule are joined to form veins in |
| A. | tissue |
| B. | muscle cells |
| C. | red blood cells |
| D. | white blood cells |
| Answer» E. | |
| 871. |
The greenhouse gas which can be emitted from the storage of nitrogen-based fertilizers is |
| A. | nitrous oxide |
| B. | nitric oxide |
| C. | oxygen |
| D. | hydroxide |
| Answer» B. nitric oxide | |
| 872. |
The largest gland of the body is |
| A. | stomach |
| B. | thyroid gland |
| C. | liver |
| D. | pituitary gland |
| Answer» D. pituitary gland | |
| 873. |
The organisms that obtain minerals, water, and carbon dioxide from their environment to prepare the food are classified as |
| A. | heterotrophic organisms |
| B. | autotrophic organisms |
| C. | prokaryotic organisms |
| D. | eukaryotic organisms |
| Answer» C. prokaryotic organisms | |
| 874. |
The functions of the liver include |
| A. | destroying old RBCs |
| B. | production of fibrinogen |
| C. | de-amination |
| D. | all of above |
| Answer» E. | |
| 875. |
The sources of insoluble dietary fiber do not include |
| A. | cereals and wheat bran |
| B. | vegetables and fruits |
| C. | butter and margarine |
| D. | oats and beans |
| Answer» D. oats and beans | |
| 876. |
The important structures of cells other than organelles are |
| A. | cell wall |
| B. | cell membrane |
| C. | cytoplasm and cytoskeleton |
| D. | all of above |
| Answer» E. | |
| 877. |
In animal cells, the nucleus is present in |
| A. | left side of cell |
| B. | right side of ell |
| C. | center of cell |
| D. | none of above |
| Answer» D. none of above | |
| 878. |
The system of cells in which substances that are needed for metabolic activities are passed through the cell membrane is called |
| A. | granum system |
| B. | open system |
| C. | close system |
| D. | nucleoid system |
| Answer» C. close system | |
| 879. |
The tracheids and vessel elements are types of |
| A. | xylem tissues |
| B. | phloem tissues |
| C. | vascular tissues |
| D. | lateral tissues |
| Answer» B. phloem tissues | |
| 880. |
The fundamental unit shared by all the living organisms is |
| A. | Golgi bodies |
| B. | cell |
| C. | cell membrane |
| D. | cell wall |
| Answer» C. cell membrane | |
| 881. |
When specific observation is used to draw a more general statement is called |
| A. | inductive |
| B. | deductive |
| C. | productive |
| D. | none of above |
| Answer» B. deductive | |
| 882. |
The name of the bark of the tree which is suitable to cure fever is |
| A. | quina-ferns |
| B. | quina-cactus |
| C. | eucalyptus |
| D. | quina-quina |
| Answer» E. | |
| 883. |
The first search on the cause of malaria was done by |
| A. | Laveran |
| B. | Aristotle |
| C. | Socrates |
| D. | Ibn-al-Haithem |
| Answer» B. Aristotle | |
| 884. |
The step of the biological method in which biologists are encountered with a problem is |
| A. | recognition of biological problem |
| B. | deducing the experiments |
| C. | summary of experiments |
| D. | formulation of hypothesis |
| Answer» B. deducing the experiments | |
| 885. |
The name of the organism present in the blood of malarial patients is |
| A. | plasmodium |
| B. | plasmodium |
| C. | plasmodium |
| D. | |
| Answer» D. | |
| 886. |
The specific groups in which organisms are classified are called |
| A. | historic categories |
| B. | parasitic categories |
| C. | entomology categories |
| D. | taxonomic categories |
| Answer» E. | |
| 887. |
To classify the organism, biologist categorize into several groups that are |
| A. | 2 |
| B. | 4 |
| C. | 3 |
| D. | 5 |
| Answer» B. 4 | |
| 888. |
Andrea Caesalpino divided the plants into groups which are in number |
| A. | 2 |
| B. | 4 |
| C. | 10 |
| D. | 15 |
| Answer» E. | |
| 889. |
The branch of biology which focuses on the evolutionary history of different organisms and classification is called |
| A. | parasitology |
| B. | systematics |
| C. | pharmacology |
| D. | morphology |
| Answer» C. pharmacology | |
| 890. |
The proposed five-kingdom classification system of Whittaker was altered by |
| A. | Schwartz and Margulis |
| B. | Ernst and Chatton |
| C. | Wilson and Corwin |
| D. | Corwin and Margulis |
| Answer» B. Ernst and Chatton | |
| 891. |
The second phase of the cell cycle is called |
| A. | nucleotides |
| B. | chromatins |
| C. | synthesis |
| D. | epidermis |
| Answer» D. epidermis | |
| 892. |
The set of spindle fibers formed in prophase are called |
| A. | mitotic fibers |
| B. | micro spindle |
| C. | meiotic fibers |
| D. | mitotic spindle |
| Answer» E. | |
| 893. |
After growth of spindle fibers until sufficient length, the spindle fibers are known as |
| A. | metaphase fibers |
| B. | phragmoplast fibers |
| C. | cytokinesis fibers |
| D. | kinetochores fibers |
| Answer» E. | |
| 894. |
The three phases (in sequence) of the interphase of meiosis are |
| A. | G1, S phase, G2 |
| B. | S phase, G2, G1 |
| C. | G2, S phase, G1 |
| D. | G1, G3, G2 |
| Answer» B. S phase, G2, G1 | |
| 895. |
The furrow pinches the parent cell and the parent cell is pinched into |
| A. | eight daughter cells |
| B. | six daughter cells |
| C. | four daughter cells |
| D. | two daughter cells |
| Answer» E. | |
| 896. |
The meaning of myocardium is |
| A. | skeletal muscle |
| B. | connective muscle |
| C. | cardiac muscle |
| D. | heart muscle |
| Answer» E. | |
| 897. |
The blood disease which is caused by the occurrence of mutations in hemoglobin genes is |
| A. | leukemia |
| B. | bleeding disorders |
| C. | thalassemia |
| D. | hepatitis |
| Answer» D. hepatitis | |
| 898. |
The number of guard cells of the stoma is |
| A. | ten |
| B. | two |
| C. | four |
| D. | eight |
| Answer» C. four | |
| 899. |
The function of hemoglobin in blood is the transportation of |
| A. | oxygen only |
| B. | carbon dioxide only |
| C. | nitrogen |
| D. | oxygen and carbon dioxide |
| Answer» E. | |
| 900. |
The production of abnormal and immature white blood cells in the body leads to |
| A. | lungs cancer |
| B. | kidney cancer |
| C. | skin cancer |
| D. | blood cancer |
| Answer» E. | |