Biology MCQs for AFNS Initial Tests with Answers
Join Pak Defence forces with pride. All given mcqs for AFNS tests are best ones because all these questions of medical field are been collected from the past experiences of the students those who have appeared in the initial tests of Army medical college, GDMOs, and AFNS. Most of the students got benefited from the given questions and serving as an officer in Pak Army, Pak Navy and PAF.
MCQs for AFNS : Army Initial Tests Part-1
Q. Botany is the scientific study of . (Plants)
Q. is a non-living component of an ecosystem. (Rocks)
Q. is a characteristic of living organisms. (Reproduction)
Q. A rock is an example of a . (Non-living component)
Q. is a living component of an ecosystem. (Plants)
Q. The study of non-living matter and energy is called . (Physics)
Q. characteristics is unique to living organisms. (Growth, Reproduction, and Response to stimuli)
Q. A virus is considered . ( A non-living organism)
Q. is a living organism. (Bacteria)
Q. The study of living organisms is called . (Biology)
Q. is a non-living factor in an ecosystem. (Temperature)
Q. The ability to obtain and use energy is a characteristic of . (Living organisms)
Q. is a non-living component of a cell. ( Water)
Q. The process of photosynthesis occurs in . (Living organisms)
Q. The study of plants is known as . (Botany)
Q. The outermost layer of a plant cell is called the . (Cell wall)
Q. organelle is responsible for the production of ATP in a cell (Mitochondria)
Q. The site of protein synthesis in a cell is the . (Ribosomes)
Q. The control center of a cell is the . (Nucleus)
Q. is responsible for detoxification and metabolism of drugs in liver cells. (Smooth endoplasmic reticulum)
Q. The organelle involved in packaging and modifying proteins for transportation is the . (Golgi apparatus)
Q. organelle is responsible for the breakdown of cellular waste and debris. (Lysosome)
Q. The organelle responsible for photosynthesis in plant cells is the .(Chloroplast)
Q. The fluid-filled sac that stores water, nutrients, and waste materials in plant cells is the . (Vacuole)
Q. The cytoskeleton is composed of . (Microfilaments, microtubules, and intermediate filaments)
MCQs for AFNS : Army Initial Tests Part-1
Q. organelle contains the cell’s genetic material. (Nucleus)
Q. The network of interconnected membrane tubules and sacs involved in protein synthesis and lipid metabolism is called the . (Endoplasmic reticulum)
Q. The hair-like structures on the surface of some cells that function in movement are called . (Cilia)
Q. The process by which a cell engulfs and takes in solid particles is called . (Phagocytosis)
Q. Plant physiology is the study of . (The functioning and processes of plants)
Q. is responsible for the transport of water and nutrients in plants.(Xylem)
Q. process is responsible for the movement of sugars throughout a plant. (Phloem transport)
Q. The opening and closing of stomata is regulated by . (Guard cells)
Q. pigment is responsible for the absorption of light in photosynthesis. (Chlorophyll)
Q. The process by which plants convert light energy into chemical energy is called . (Photosynthesis)
Q. hormone is responsible for promoting cell elongation and growth in plants. ( Auxin)
Q. The process of converting nitrates into amino acids is called . (Nitrogen fixation)
Q. process is responsible for the conversion of light energy into ATP during photosynthesis. (Photophosphorylation)
Biology MCQs for AFNS Tests with Answers
Find more past papers experiences MCQs for AFNS tests with solved solution so that candidate may get 100% success in the initial tests Captain tests of Pak Army.
MCQs for AFNS : Army Initial Tests Part-3
Q. The process by which plants lose water vapor through their leaves is called . (Transpiration)
Q. hormone is responsible for promoting fruit ripening in plants. (Ethylene)
Q. The process by which plants respond to changes in the length of day and night is called . (Photoperiodism)
Q. organelle is responsible for the release of energy from glucose during cellular respiration. (Mitochondria)
Q. The process by which plants convert nitrate ions into nitrogen gas is called . (Denitrification)
Q. hormone is responsible for promoting cell division and differentiation in plants. (Cytokinin)
Q. Animal physiology is the study of . (The functioning and processes of animals)
Q. organ is responsible for oxygen exchange in the respiratory system of mammals. (Lungs)
Q. The process of breaking down food and extracting nutrients in the digestive system is called . (Digestion)
Q. hormone is responsible for regulating blood sugar levels in the body. (Insulin)
Q. The filtering unit of the kidney responsible for urine formation is called the . (Nephron)
Q. part of the brain is responsible for coordinating voluntary muscle movements and balance. (Cerebellum)
MCQs for AFNS : Army Initial Tests Part-4
Q. The process by which nerve impulses are transmitted between neurons is called . (Synaptic transmission)
Q. hormone is responsible for controlling the body’s circadian rhythm. (Melatonin)
Q. The hormone responsible for stimulating milk production in mammals is called . (Prolactin)
Q. The process by which the body maintains a stable internal environment is called . (Homeostasis)
Q. gland is responsible for the production of growth hormone in the body. (Pituitary gland)
Q. The process by which oxygen and carbon dioxide are exchanged in the lungs is called . (Pulmonary gas exchange)
Q. part of the nervous system is responsible for the “fight or flight” response. (Sympathetic nervous system)
Q. The hormone responsible for controlling the body’s response to stress is called . (Cortisol)
Q. organ is responsible for filtering waste products from the blood in the urinary system. (Kidneys)
Q. Animal reproduction is the process by which animals produce . (Offspring)
Q. The fusion of male and female gametes is called . (Fertilization)
Q. is an example of external fertilization in animals. (Spawning of fish)
Q. The structure that connects the developing fetus to the placenta in mammals is called the . (Umbilical cord)
Q. The release of a mature egg from the ovary is called . (Ovulation)
Q. hormone is responsible for stimulating the development of female secondary sexual characteristics. (Estrogen)
Q. The process of giving birth to offspring is called . (Parturition)
Q. In type of reproduction does offspring develop from unfertilized eggs. (Parthenogenesis)
Q. The structure in female mammals where the fertilized egg implants and develops is called the . (Uterus)
Q. is a method of asexual reproduction in animals. (Budding)
Q. The structure in male mammals where sperm cells are produced is called the . (Testes)
Q. hormone is responsible for the development of male secondary sexual characteristics. (Testosterone)
Q. The process of producing sperm cells in the testes is called . (Spermatogenesis)
Q. is an example of internal fertilization in animals. (Copulation in mammals)
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MCQs for AFNS : Army Initial Tests Part-5
Q. The release of mature eggs from the ovaries in females is regulated by hormone. (Follicle-stimulating hormone (FSH))
Q. The transfer of pollen grains from the anther to the stigma is called .(Pollination)
Q. is an example of asexual reproduction in plants. (Vegetative propagation)
Q. The structure that contains the female reproductive cells in a flower is called the . (Ovary)
Q. The fusion of male and female gametes in plants is called . (Fertilization)
Q. is responsible for the dispersal of seeds in plants. (Wind, animals, or water)
Q. The process of germination in plants involves . (The growth of a new plant from a seed)
Q. The male reproductive organ in a flower is called the . (Stamen)
Q. hormone is responsible for promoting flowering in plants. (Gibberellin)
Q. The process of producing new plants from a single parent plant is called . (Vegetative propagation)
Q. The structure that protects the developing flower bud is called the . (Sepal)
Q. part of the flower produces and releases pollen grains. (Anther)
Q. The transfer of pollen from the anther of one flower to the stigma of another flower is called . (Cross-pollination)
Q. structure in a seed contains the embryo and its food supply. (Cotyledon)
Q. The process by which plants produce seeds without the involvement of fertilization is called . (Apomixis)
Q. A human disorder characterized by the inability of blood to clot properly is called . (Hemophilia)
Q. Down syndrome is caused by the presence of an extra copy of chromosome . (21)
Q. is a degenerative disorder of the nervous system characterized by tremors and difficulty in movement. (Parkinson’s disease)
Q. An autoimmune disorder where the immune system attacks the body’s own cells is . (Lupus)
Q. disorder is characterized by high blood sugar levels due to the body’s inability to produce or respond to insulin. (Diabetes mellitus)
Q. A genetic disorder characterized by the absence of pigment in the skin, hair, and eyes is called . (Albinism)
MCQs for AFNS : Army Initial Tests Part-6
Q. is a disorder characterized by inflammation and damage to the joints. (Rheumatoid arthritis)
Q. disorder is caused by an abnormal growth of cells in the lungs. (Lung cancer)
Q. A disorder characterized by the progressive degeneration of nerve cells in the brain is . (Alzheimer’s disease)
Q. disorder is caused by a deficiency in the hormone thyroxine, leading to weight gain, fatigue, and cold intolerance. (Hypothyroidism)
Q. An inherited disorder characterized by the abnormal shape of red blood cells is . (Sickle cell anemia)
Q. disorder is caused by the abnormal production of hemoglobin, resulting in the destruction of red blood cells. (Thalassemia)
Q. A disorder characterized by episodes of excessive sleepiness during the day is . (Narcolepsy)
Q. disorder is caused by the uncontrolled growth of abnormal cells in the breast tissue. (Breast cancer)
Q. An autoimmune disorder that affects the neuromuscular junction and leads to muscle weakness is called . (Myasthenia gravis)
Q. Ecology is the study of . (Interactions between organisms and their environment)
Q. The maximum number of individuals of a species that an ecosystem can support is called . (Carrying capacity)
Q. is an example of a biotic factor in an ecosystem. (Predation)
Q. The first organisms to colonize a new or disturbed area are called . (Pioneer species)
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MCQs for AFNS : Army Initial Tests Part-7
Q. The variety of species within a given area is called . (Biodiversity)
Q. is an example of a keystone species. (Sea otter)
Q. The process by which nutrients are returned to the soil from dead organisms is called . (Decomposition)
Q. is an abiotic factor in an ecosystem. (Temperature)
Q. The study of the movement of energy and nutrients through ecosystems is called . (Ecological dynamics)
Q. is an example of a renewable resource. (Solar energy)
Q. relationship between two species where one organism benefits and the other is unaffected is called . (Commensalism)
Q. The process by which water vapor is released from the leaves of plants is called . (Transpiration)
Q. is an example of a primary consumer in a food chain. (Rabbit)
Q. The process by which atmospheric nitrogen is converted into a form that can be used by plants is called . (Nitrogen fixation)
Q. The gradual change in species composition in a given area over time is called . (Succession)
Q. Genetics is the study of . (Inheritance and variation of traits in living organisms)
Q. The unit of heredity that carries genetic information is called a . (Gene)
Q. In humans, the sex chromosomes of males are . (XY)
Q. is an example of a recessive genetic disorder. (Cystic fibrosis)
Q. The different forms of a gene are called . (Alleles)
Q. The observable traits of an organism are called its . (Phenotype)
Q. is an example of a dominant genetic disorder. (Huntington’s disease)
Q. The genetic makeup of an organism is called its . (Genotype)
Q. The process by which genetic information is transferred from DNA to RNA is called . (Transcription)
Q. The law of independent assortment states that . (Genes for different traits segregate independently during the formation of gametes)
Q. A Punnett square is used to . (Predict the possible genotypes and phenotypes of offspring)
Q. The process by which genetic information is translated from RNA into proteins is called . (Translation)
MCQs for AFNS : Army Initial Tests Part-8
Q. The law of segregation states that . (Each individual has two alleles for each trait, which segregate during gamete formation)
Q. If an organism has two different alleles for a particular trait, it is called . (Heterozygous)
Q. The study of the inheritance of traits over multiple generations is called . (Pedigree analysis)
Q. is an example of a terrestrial ecosystem. (Forest)
Q. The flow of energy through an ecosystem can be represented by . (Food chains and food webs)
Q. is an example of a decomposer in an ecosystem. (Fungi)
Q. The process by which plants convert sunlight into chemical energy is called . (Photosynthesis)
Q. The variety of ecosystems on Earth is referred to as . (Biodiversity)
Q. is an example of a freshwater ecosystem. (Lake)
Q. The process by which water vapor is released from plants into the atmosphere is called . (Transpiration)
Q. is an example of an herbivore in an ecosystem. (Deer)
Q. The role of an organism within an ecosystem is called its . (Niche)
Q. The process by which nutrients are recycled in an ecosystem through the activities of organisms is called . (Nutrient cycling)
Q. is an example of a primary consumer in a food chain. (Rabbit)
Q. The study of the interactions between organisms and their environment is called . (Ecology)
Q. is an example of a keystone species in an ecosystem. (Sea otter)
Q. The process by which carbon dioxide is released into the atmosphere from burning fossil fuels is called . (Combustion)
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