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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.
| 1001. |
The example of inorganic cofactors is |
| A. | metal ions |
| B. | potassium ions |
| C. | nitrogen ions |
| D. | Sulphur ions |
| Answer» B. potassium ions | |
| 1002. |
The shapes of active sites are determined by |
| A. | nature of enzyme |
| B. | Specifity of enzymes |
| C. | viscosity of enzyme |
| D. | saturation of enzyme |
| Answer» C. viscosity of enzyme | |
| 1003. |
The biochemical reactions are also considered as |
| A. | gaseous release |
| B. | chromosomal transfer |
| C. | energy transfer |
| D. | material transfer |
| Answer» D. material transfer | |
| 1004. |
The organic cofactors that are loosely bound to the enzymes are classified as |
| A. | active enzymes |
| B. | coenzymes |
| C. | inactive enzymes |
| D. | aesthetic enzymes |
| Answer» C. inactive enzymes | |
| 1005. |
The part of the blood circulatory system whose function is to transport the blood to the whole body is called |
| A. | cardiac vessels |
| B. | aortic vessels |
| C. | blood vessels |
| D. | atrial vessels |
| Answer» D. atrial vessels | |
| 1006. |
The Rh-positive blood group of a person is based on the presence of |
| A. | Rh factors |
| B. | A antigens |
| C. | B antigens |
| D. | none of above |
| Answer» B. A antigens | |
| 1007. |
The blood cells and cell-like bodies that are present in humans include |
| A. | red blood cells |
| B. | platelets |
| C. | white blood cells |
| D. | all of above |
| Answer» E. | |
| 1008. |
The 'Atherosclerosis' is referred to narrowing of |
| A. | left ventricle |
| B. | right ventricle |
| C. | arteries |
| D. | atrium |
| Answer» D. atrium | |
| 1009. |
The individuals having blood group O are considered as |
| A. | national recipients |
| B. | national donors |
| C. | universal donors |
| D. | universal recipients |
| Answer» D. universal recipients | |
| 1010. |
The study of naming and classification of organisms into groups and subgroups is called |
| A. | entomology |
| B. | immunology |
| C. | paleontology |
| D. | taxonomy |
| Answer» E. | |
| 1011. |
In the West, the book "Al-Qanun-fi-al-Tib" is also known as |
| A. | canon of poetry |
| B. | canon of philosophy |
| C. | canon of astronomy |
| D. | canon of medicine |
| Answer» E. | |
| 1012. |
The examples of macromolecules include |
| A. | starch and glucose |
| B. | water and proteins |
| C. | glucose and water |
| D. | lipids and proteins |
| Answer» E. | |
| 1013. |
The branches, roots, stems, and leaves are classified as |
| A. | vegetative organs |
| B. | reproductive organs |
| C. | unicellular organs |
| D. | colonial organs |
| Answer» B. reproductive organs | |
| 1014. |
The organelle which is responsible for cellular respiration is |
| A. | cytoplasm |
| B. | mitochondria |
| C. | ribosomes |
| D. | epithelial tissue |
| Answer» C. ribosomes | |
| 1015. |
The Oscar Hertwig discovered the meiosis process in |
| A. | 1856 |
| B. | 1786 |
| C. | 1976 |
| D. | 1876 |
| Answer» E. | |
| 1016. |
The cell division process meiosis undergoes in |
| A. | stomata cells |
| B. | somatic cells |
| C. | germ line cells |
| D. | stamen cells |
| Answer» C. germ line cells | |
| 1017. |
The occurrence of cytokinesis in telophase I lead to the completion of |
| A. | haploid daughter cells |
| B. | diploid daughter cells |
| C. | haploid sister chromatids |
| D. | diploid sister chromatids |
| Answer» B. diploid daughter cells | |
| 1018. |
The female and male gametes get united to form |
| A. | zygote |
| B. | diploid nucleus |
| C. | haploid nucleus |
| D. | diploid vacuoles |
| Answer» B. diploid nucleus | |
| 1019. |
The phenomenon of death of cells includes |
| A. | necrosis only |
| B. | apoptosis only |
| C. | mitosis |
| D. | necrosis and apoptosis |
| Answer» E. | |
| 1020. |
Vitamins B and C are classified as |
| A. | ethyl-soluble vitamins |
| B. | calcium-soluble vitamins |
| C. | water-soluble vitamins |
| D. | lipid-soluble vitamins |
| Answer» D. lipid-soluble vitamins | |
| 1021. |
The malnutrition does not include |
| A. | inadequate nutrient consumption |
| B. | overeating of nutrients |
| C. | excess loss of nutrients |
| D. | saturation of proteins |
| Answer» E. | |
| 1022. |
The micronutrient which activates many enzymes and is necessary for photosynthesis is |
| A. | iron |
| B. | zinc monoxide |
| C. | nitric acid |
| D. | citric acid |
| Answer» B. zinc monoxide | |
| 1023. |
The vessel of the lymphatic system related to each villus is called |
| A. | duodenum |
| B. | bile |
| C. | jejunum |
| D. | lacteal |
| Answer» E. | |
| 1024. |
The macronutrient which regulates the closing and opening of the stoma and reduces the loss of water from leaves is |
| A. | potassium |
| B. | methane |
| C. | urea |
| D. | nitrogen |
| Answer» B. methane | |
| 1025. |
Considering the layers of arteries, the innermost layer of the artery is composed of |
| A. | exothelial cells |
| B. | endothelial cells |
| C. | elastic cells |
| D. | cardiac cells |
| Answer» C. elastic cells | |
| 1026. |
The number of white blood cells present in one cubic millimeter is |
| A. | 30, 000 to 50, 000 |
| B. | 7000 to 8000 |
| C. | 2000 to 4000 |
| D. | 5, 000 to 10, 000 |
| Answer» C. 2000 to 4000 | |
| 1027. |
The fluid present between heart walls and pericardium is called |
| A. | monocardium fluid |
| B. | bicardial fluid |
| C. | pericardial fluid |
| D. | pericardial fluid |
| Answer» E. | |
| 1028. |
The percentage of blood which constitutes cell-like bodies or cells is |
| A. | 0.1 |
| B. | 0.15 |
| C. | 0.5 |
| D. | 0.45 |
| Answer» E. | |
| 1029. |
The albumin present in the plasma of blood is responsible for maintenance of |
| A. | glucose level in blood |
| B. | water level in blood |
| C. | sucrose level in blood |
| D. | iron level in blood |
| Answer» C. sucrose level in blood | |
| 1030. |
The kind of meristem which is in the form of small patches among the matured tissues is called |
| A. | tertiary meristem |
| B. | primary meristem |
| C. | secondary meristem |
| D. | intercalary meristem |
| Answer» E. | |
| 1031. |
The physician Camillo Golgi was awarded the Nobel prize in |
| A. | 1910 |
| B. | 1906 |
| C. | 1920 |
| D. | 1909 |
| Answer» C. 1920 | |
| 1032. |
The ribosomes are disassembled into two units when |
| A. | cytoskeleton don't work |
| B. | vacuoles don't work |
| C. | lysosomes don't work |
| D. | ribosomes don't work |
| Answer» E. | |
| 1033. |
The cardiac muscles are present in the |
| A. | wall of heart |
| B. | wall of kidneys |
| C. | wall of lungs |
| D. | wall of esophagus |
| Answer» B. wall of kidneys | |
| 1034. |
Considering types of the electron microscope, the 'SEM' stands for |
| A. | super electron microscope |
| B. | scanning electron microscope |
| C. | server electron microscope |
| D. | specific electron microscope |
| Answer» C. server electron microscope | |
| 1035. |
The enzymes that are used to remove protein stains from the clothes are called |
| A. | protease enzymes |
| B. | amylase enzymes |
| C. | nucleated enzymes |
| D. | coenzymes |
| Answer» B. amylase enzymes | |
| 1036. |
The trypsin enzymes work in |
| A. | pancreas |
| B. | buccal cavity |
| C. | large intestine |
| D. | small intestine |
| Answer» E. | |
| 1037. |
In the brewing industry, the enzymes break |
| A. | proteins and sugars |
| B. | proteins and starch |
| C. | proteins and ammonia |
| D. | proteins and alcohol |
| Answer» C. proteins and ammonia | |
| 1038. |
The reactions are catalyzed by |
| A. | nitrogen |
| B. | potassium |
| C. | enzyme |
| D. | magnesium |
| Answer» D. magnesium | |
| 1039. |
The low pH in which pepsin works is considered as |
| A. | nuclear medium |
| B. | synthetic medium |
| C. | acidic medium |
| D. | alkaline medium |
| Answer» D. alkaline medium | |
| 1040. |
To cure malaria a bark of the tree was useful known as |
| A. | quinoa |
| B. | cider |
| C. | snober |
| D. | pine tree |
| Answer» B. cider | |
| 1041. |
The main constitute of cinchona is |
| A. | quinoa quinoa |
| B. | plasmodium |
| C. | mustard |
| D. | olive |
| Answer» B. plasmodium | |
| 1042. |
In malaria, the word 'mala' comes from Latin which means |
| A. | bad |
| B. | good |
| C. | nice |
| D. | marshes |
| Answer» B. good | |
| 1043. |
Observations are made based on our |
| A. | 5 senses |
| B. | 6th sense |
| C. | intuition |
| D. | introspection |
| Answer» B. 6th sense | |
| 1044. |
The types of reasoning include |
| A. | inductive only |
| B. | deductive only |
| C. | productive |
| D. | inductive and deductive |
| Answer» E. | |
| 1045. |
The process of elimination of all the undigested food from the body is classified as |
| A. | digestion |
| B. | defecation |
| C. | refraction |
| D. | diffraction |
| Answer» C. refraction | |
| 1046. |
The soup-like mixture in which food is converted after digestion is called |
| A. | saliva |
| B. | bolus |
| C. | chyme |
| D. | pepsin |
| Answer» D. pepsin | |
| 1047. |
The sources of calcium include |
| A. | cabbage and nuts |
| B. | milk and beans |
| C. | cheese and egg yolk |
| D. | all of above |
| Answer» E. | |
| 1048. |
The (WHO) stands for |
| A. | Will Health Ordinance |
| B. | World Healing Ordinance |
| C. | World Health Organization |
| D. | World Health Obese |
| Answer» D. World Health Obese | |
| 1049. |
The parts of the large intestine include |
| A. | caecum |
| B. | colon |
| C. | rectum |
| D. | all of above |
| Answer» E. | |
| 1050. |
The weight of one liter water in grams is |
| A. | 850 grams |
| B. | 1500 grams |
| C. | 1230 grams |
| D. | 1000 grams |
| Answer» E. | |