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.
| 1051. |
The America was discovered in |
| A. | 17th century |
| B. | 19th century |
| C. | 15th century |
| D. | 10th century |
| Answer» B. 19th century | |
| 1052. |
Tentative explanation for any observation is known as |
| A. | hypothesis |
| B. | deduction |
| C. | experiment |
| D. | analysis |
| Answer» B. deduction | |
| 1053. |
If all organisms have cells, so human should have cell, it is a |
| A. | inductive |
| B. | deductive |
| C. | productive |
| D. | none of above |
| Answer» C. productive | |
| 1054. |
Hardy - Weinberg law and Mendel's Laws of inheritance are examples of |
| A. | biological law |
| B. | biological theory |
| C. | postulate theory |
| D. | biological hypothesis |
| Answer» B. biological theory | |
| 1055. |
Invariable and measurable quantities are known as |
| A. | qualitative observation |
| B. | quantitative observation |
| C. | abstract observation |
| D. | none of above |
| Answer» C. abstract observation | |
| 1056. |
A single piece of information is |
| A. | data |
| B. | query |
| C. | reasoning |
| D. | law |
| Answer» B. query | |
| 1057. |
The formats in which data is organized includes |
| A. | flow charts |
| B. | tables and graphics |
| C. | diagrams and maps |
| D. | all of above |
| Answer» E. | |
| 1058. |
When two numbers are expressed in terms of the quotient then this kind of expression is classified as |
| A. | ratio |
| B. | proportion |
| C. | probability |
| D. | matrices |
| Answer» B. proportion | |
| 1059. |
Something which is asked by someone is called as |
| A. | hypothesis |
| B. | query |
| C. | theory |
| D. | deduction |
| Answer» C. theory | |
| 1060. |
The cleavage furrow develops at the place of |
| A. | telophase plate |
| B. | prophase plate |
| C. | metaphase plate |
| D. | anaphase plate |
| Answer» D. anaphase plate | |
| 1061. |
In metaphase II, the spindle fiber of kinetochores are aligned at |
| A. | equator of chromatin |
| B. | equator of nucleus |
| C. | equator of cell |
| D. | equator of chromosome |
| Answer» D. equator of chromosome | |
| 1062. |
During the G2 phase, the inhibition of protein synthesis prevents the cells from undergoing |
| A. | S phase |
| B. | mitosis |
| C. | meiosis |
| D. | anaphase |
| Answer» C. meiosis | |
| 1063. |
The meiosis in diploid gamete-mother cells leads to the production of |
| A. | diploid daughter chromatin |
| B. | haploid sister chromatin |
| C. | haploid gametes |
| D. | diploid gametes |
| Answer» D. diploid gametes | |
| 1064. |
The phase in which cells stops dividing permanently and temporarily is called |
| A. | G2 phase |
| B. | G4 phase |
| C. | G1 phase |
| D. | G0 phase |
| Answer» E. | |
| 1065. |
The German chemist who explained the enzyme mechanism of action is |
| A. | Jane Hackel |
| B. | John August |
| C. | Jane Olive |
| D. | Emil Fischer |
| Answer» E. | |
| 1066. |
The loss of the globular structure of enzymes is also known as |
| A. | instauration of enzyme |
| B. | denaturation of enzyme |
| C. | maturation of enzyme |
| D. | saturation of enzyme |
| Answer» C. maturation of enzyme | |
| 1067. |
The biochemical reaction in which large molecules are broken down into smaller ones is classified as |
| A. | catabolism |
| B. | parasitism |
| C. | materialism |
| D. | anabolism |
| Answer» B. parasitism | |
| 1068. |
The model proposed by Daniel Koshland is |
| A. | anabolism-fit model |
| B. | catabolism-fit model |
| C. | induced-fit model |
| D. | reduced-fit model |
| Answer» D. reduced-fit model | |
| 1069. |
The globular proteins are known as |
| A. | bi-enzymes |
| B. | enzymes |
| C. | coenzymes |
| D. | inhibit enzymes |
| Answer» C. coenzymes | |
| 1070. |
The level of biological organization considers |
| A. | individual and population level |
| B. | tissue and cell level |
| C. | molecular and atomic level |
| D. | all of above |
| Answer» E. | |
| 1071. |
Food, crops, and animals which are a source of food are dealt with in the profession |
| A. | farming |
| B. | agriculture |
| C. | animal husbandry |
| D. | fisheries |
| Answer» C. animal husbandry | |
| 1072. |
The branch of biology which deals with the tissues is called |
| A. | parasitology |
| B. | pharmacology |
| C. | histology |
| D. | entomology |
| Answer» D. entomology | |
| 1073. |
According to Muslims, the human being was made from |
| A. | clay |
| B. | fire |
| C. | blood clot |
| D. | semen |
| Answer» B. fire | |
| 1074. |
The name of the scientist who studied animals in detail is |
| A. | Al Khwarizmi |
| B. | Abdul Malik Asmai |
| C. | Bu Ali Sina |
| D. | Ibn al Haithem |
| Answer» C. Bu Ali Sina | |
| 1075. |
The process which is responsible for the export of bulky material is called |
| A. | exocytosis |
| B. | endocytosis |
| C. | mitosis |
| D. | meiosis |
| Answer» B. endocytosis | |
| 1076. |
The types of the electron microscope are |
| A. | molecular electron microscope |
| B. | proton electron microscope |
| C. | transmission electron microscope |
| D. | light microscope |
| Answer» D. light microscope | |
| 1077. |
One micrometer or 1µm is equal to |
| A. | 1/1000 mm |
| B. | 1/5000 mm |
| C. | 1/10000 mm |
| D. | 1/3000 mm |
| Answer» B. 1/5000 mm | |
| 1078. |
The function of squamous epithelium is |
| A. | protection of inner parts |
| B. | absorption of secretions |
| C. | release of secretions |
| D. | movement of materials |
| Answer» E. | |
| 1079. |
The example of intercalary meristem is |
| A. | flagella |
| B. | ferns |
| C. | grasses |
| D. | mosses |
| Answer» D. mosses | |
| 1080. |
The squamous epithelium tissue which is composed of single-layer flat cells is found in |
| A. | urinary bladder and alimentary canal |
| B. | kidneys and abdomen |
| C. | blood vessels and heart |
| D. | external ear and nose |
| Answer» D. external ear and nose | |
| 1081. |
The bundles of long cells present in muscle tissue are called |
| A. | cardiac fibers |
| B. | muscle fibers |
| C. | adipose fibers |
| D. | nerve fibers |
| Answer» C. adipose fibers | |
| 1082. |
The inner fluid of chloroplasts in which grana float is called |
| A. | cristae |
| B. | stoma |
| C. | stomata |
| D. | stroma |
| Answer» E. | |
| 1083. |
The first compound microscope was made in |
| A. | 1964 |
| B. | 1995 |
| C. | 1959 |
| D. | 1595 |
| Answer» E. | |
| 1084. |
The muscles responsible for the movement of substances are |
| A. | epidermal muscles |
| B. | smooth muscles |
| C. | nerve muscles |
| D. | squamous muscles |
| Answer» C. nerve muscles | |
| 1085. |
The red blood cells are also known as |
| A. | leukocytes |
| B. | erythrocytes |
| C. | thrombocytes |
| D. | none of above |
| Answer» C. thrombocytes | |
| 1086. |
The aorta passes down to the thorax to become |
| A. | dorsal aorta |
| B. | hepatic aorta |
| C. | superior aorta |
| D. | inferior aorta |
| Answer» B. hepatic aorta | |
| 1087. |
The hepatic vein carries the blood and empties it into |
| A. | inferior aorta |
| B. | superior aorta |
| C. | superior atria |
| D. | inferior vena cava |
| Answer» E. | |
| 1088. |
The humidity of the surrounding air is reduced by |
| A. | moderate temperature |
| B. | lower temperature |
| C. | higher temperature |
| D. | higher transportation |
| Answer» D. higher transportation | |
| 1089. |
When red blood cells are matured in mammals, the nucleus is |
| A. | formed |
| B. | lost |
| C. | divided into two |
| D. | divided into four |
| Answer» B. lost | |
| 1090. |
The tumors that invades their tissues are called |
| A. | benign tumors |
| B. | metastasis |
| C. | prostatis |
| D. | malignant tumors |
| Answer» E. | |
| 1091. |
The tumors that remain on their original location are called |
| A. | hydra tumors |
| B. | bud tumors |
| C. | benign tumors |
| D. | cancerous tumors |
| Answer» D. cancerous tumors | |
| 1092. |
The biebs that are broke off from cell are called |
| A. | apoptotic bodies |
| B. | necrosis bodies |
| C. | tuberculosis bodies |
| D. | cytokinetic bodies |
| Answer» B. necrosis bodies | |
| 1093. |
The name of German biologist that observed cell division through mitosis is |
| A. | John Watson |
| B. | Christian Rene De Duve |
| C. | Ernst James |
| D. | Walther Flemming |
| Answer» E. | |
| 1094. |
The causes of necrosis includes |
| A. | injury |
| B. | cancer |
| C. | infection |
| D. | all of above |
| Answer» E. | |
| 1095. |
The night-blindness is caused by deficiency of |
| A. | vitamin C |
| B. | vitamin B |
| C. | vitamin A |
| D. | vitamin D |
| Answer» D. vitamin D | |
| 1096. |
The acid which converts inactive pepsinogen into pepsin is |
| A. | hydrochloric acid |
| B. | nitric acid |
| C. | citric acid |
| D. | Sulphuric acid |
| Answer» B. nitric acid | |
| 1097. |
The mineral which is necessary for blood clotting and maintenance of teeth and bones is |
| A. | iodine |
| B. | calcium |
| C. | copper |
| D. | chromium |
| Answer» C. copper | |
| 1098. |
The macronutrient which is a component of coenzymes and nucleic acids for protein seed germination and protein formation is |
| A. | sodium chloride |
| B. | phosphorus |
| C. | monosodium glutamate |
| D. | ethane |
| Answer» C. monosodium glutamate | |
| 1099. |
The overeating of nutrients or excess intake of the nutrients is classified as |
| A. | over-nutrition only |
| B. | malnutrition only |
| C. | saturated nutrition |
| D. | over nutrition and malnutrition |
| Answer» E. | |
| 1100. |
The sac in which heart is enclosed is known as |
| A. | megacardium |
| B. | monocardium |
| C. | pericardium |
| D. | pericardium |
| Answer» D. pericardium | |