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Singapore Nurse Exam Questions and Answers (Biological Sciences) MCQ based on SNB Question Pattern
SINGAPORE NURSE EXAM MCQ BIOLOGICAL SCIENCES (QUESTION AND ANSWER)
Which of the following is the correct order of the cell cycle phases?
a) G1, S, G2, M
b) G1, G2, S, M
c) M, G1, S, G2
d) S, G1, G2, M
Answer: a) G1, S, G2, M
Which organelle is responsible for protein synthesis?
a) Mitochondria
b) Nucleus
c) Golgi apparatus
d) Ribosome
Answer: d) Ribosome
Photosynthesis primarily occurs in which part of a plant cell?
a) Nucleus
b) Mitochondria
c) Chloroplast
d) Vacuole
Answer: c) Chloroplast
Which of the following is responsible for breaking down cellular waste and debris?
a) Lysosomes
b) Endoplasmic reticulum
c) Golgi apparatus
d) Peroxisomes
Answer: a) Lysosomes
Which of the following is not a type of RNA?
a) Messenger RNA (mRNA)
b) Transfer RNA (tRNA)
c) Ribosomal RNA (rRNA)
d) Deoxyribonucleic acid (DNA)
Answer: d) Deoxyribonucleic acid (DNA)
Which of the following is an example of a monosaccharide?
a) Glucose
b) Sucrose
c) Lactose
d) Starch
Answer: a) Glucose
Which of the following is responsible for carrying oxygen in the bloodstream?
a) Red blood cells
b) White blood cells
c) Platelets
d) Plasma
Answer: a) Red blood cells
Which of the following is an example of an excretory organ in humans?
a) Liver
b) Stomach
c) Pancreas
d) Kidneys
Answer: d) Kidneys
Which of the following is the smallest unit of classification in biology? a) Species
b) Genus
c) Kingdom
d) Phylum
Answer: a) Species
Which of the following is responsible for carrying genetic information in a cell?
a) RNA
b) Protein
c) DNA
d) Carbohydrate
Answer: c) DNA
Which of the following is an example of a renewable energy source? a) Coal
b) Natural gas
c) Solar power
d) Nuclear power
Answer: c) Solar power
Which of the following is a function of the respiratory system?
a) Regulation of body temperature
b) Transport of oxygen
c) Digestion of food
d) Regulation of water balance
Answer: b) Transport of oxygen
Which of the following is responsible for the transmission of nerve impulses?
a) Neurons
b) Hormones
c) Antibodies
d) Enzymes
Answer: a) Neurons
Which of the following is an example of a dominant trait in humans? a) Blue eyes
b) Attached earlobes
c) Brown hair
d) Blood type O
Answer: c) Brown hair
Which of the following is not a type of symbiotic relationship?
a) Mutualism
b) Parasitism
c) Commensalism
d) Predation
Answer: d) Predation
Which of the following is responsible for the breakdown of glucose to produce energy in cells?
a) Glycolysis
b) Photosynthesis
c) Krebs cycle
d) Electron transport chain
Answer: a) Glycolysis
Which of the following is an example of an endocrine gland in the human body?
a) Liver
b) Stomach
c) Thyroid
d) Lungs
Answer: c) Thyroid
Which of the following is responsible for the production of antibodies?
a) B cells
b) T cells
c) Red blood cells
d) Platelets
Answer: a) B cells
Which of the following is an example of a vestigial structure in humans?
a) Appendix
b) Heart
c) Lungs
d) Liver
Answer: a) Appendix
Which of the following is a characteristic of a prokaryotic cell?
a) Presence of a nucleus
b) Complex internal membrane system
c) Larger size compared to eukaryotic cells
d) Absence of membrane-bound organelles
Answer: d) Absence of membrane-bound organelles
Which of the following is a renewable natural resource?
a) Natural gas
b) Coal
c) Petroleum
d) Wind energy
Answer: d) Wind energy
Which of the following is an example of a decomposer in an ecosystem?
a) Grasshopper
b) Snake
c) Mushroom
d) Hawk
Answer: c) Mushroom
Which of the following is responsible for the synthesis of proteins in a cell?
a) Ribosomes
b) Endoplasmic reticulum
c) Golgi apparatus
d) Lysosomes
Answer: a) Ribosomes
Which of the following is a type of asexual reproduction?
a) Meiosis
b) Mitosis
c) Fertilization
d) Gametogenesis
Answer: b) Mitosis
Which of the following is the primary function of the urinary system? a) Production of hormones
b) Regulation of body temperature
c) Elimination of waste products
d) Transport of oxygen
Answer: c) Elimination of waste products
Which of the following is responsible for carrying out photosynthesis in plants?
a) Leaves
b) Roots
c) Flowers
d) Stems
Answer: a) Leaves
Which of the following is a characteristic of a biotic factor in an ecosystem?
a) Sunlight
b) Temperature
c) Water
d) Plants
Answer: d) Plants
Which of the following is responsible for the transmission of hereditary traits from parents to offspring?
a) Genes
b) Chromosomes
c) Enzymes
d) Proteins
Answer: a) Genes
Which of the following is an example of an abiotic factor in an ecosystem?
a) Plants
b) Animals
c) Rocks
d) Bacteria
Answer: c) Rocks
Which of the following is responsible for the production of gametes in humans?
a) Ovaries
b) Testes
c) Uterus
d) Placenta
Answer: a) Ovaries
Which of the following is a characteristic of a haploid cell?
a) It contains one set of chromosomes.
b) It is produced by meiosis.
c) It is involved in sexual reproduction.
d) All of the above.
Answer: d) All of the above.
Which of the following is an example of a renewable resource?
a) Natural gas
b) Coal
c) Wind energy
d) Nuclear energy
Answer: c) Wind energy
Which of the following is responsible for the synthesis of ATP in cellular respiration?
a) Glycolysis
b) Krebs cycle
c) Electron transport chain
d) All of the above
Answer: c) Electron transport chain
Which of the following is responsible for the transmission of genetic information from DNA to proteins?
a) Transcription
b) Translation
c) Replication
d) Mutation
Answer: b) Translation
Which of the following is responsible for the breakdown of fats in the digestive system?
a) Liver
b) Pancreas
c) Gallbladder
d) Bile
Answer: b) Pancreas
Which of the following is responsible for the production of insulin in the human body?
a) Pancreas
b) Thyroid
c) Adrenal glands
d) Pituitary gland
Answer: a) Pancreas
Which of the following is responsible for the regeneration of lost body parts in certain animals?
a) Mitosis
b) Meiosis
c) Binary fission
d) Budding
Answer: a) Mitosis
Which of the following is responsible for the release of neurotransmitters in the nervous system?
a) Neurons
b) Hormones
c) Enzymes
d) Glands
Answer: a) Neurons
Which of the following is responsible for the production of sperm cells in males?
a) Testes
b) Ovaries
c) Uterus
d) Placenta
Answer: a) Testes
Which of the following is responsible for the production of red blood cells in the human body?
a) Liver
b) Kidneys
c) Spleen
d) Bone marrow
Answer: d) Bone marrow
Which of the following is responsible for the regulation of blood sugar levels in the human body?
a) Insulin
b) Glucagon
c) Thyroxine
d) Epinephrine
Answer: a) Insulin
Which of the following is responsible for the breakdown of proteins in the digestive system?
a) Stomach
b) Liver
c) Small intestine
d) Large intestine
Answer: a) Stomach
Which of the following is responsible for the release of eggs in the female reproductive system?
a) Ovaries
b) Uterus
c) Fallopian tubes
d) Cervix
Answer: c) Fallopian tubes
Which of the following is responsible for the regulation of body temperature in humans?
a) Sweat glands
b) Adrenal glands
c) Pancreas
d) Lungs
Answer: a) Sweat glands
Which of the following is responsible for the production of milk in the mammary glands of female mammals?
a) Oxytocin
b) Estrogen
c) Progesterone
d) Prolactin
Answer: d) Prolactin
Which of the following is responsible for the production of ATP through the process of chemiosmosis?
a) Photosynthesis
b) Cellular respiration
c) Fermentation
d) Glycolysis
Answer: b) Cellular respiration
Which of the following is responsible for the release of hormones involved in stress response?
a) Adrenal glands
b) Thyroid gland
c) Pituitary gland
d) Pancreas
Answer: a) Adrenal glands
Which of the following is responsible for the production of gametes in plants?
a) Stamen
b) Pistil
c) Petals
d) Sepals
Answer: a) Stamen
Which of the following is responsible for the breakdown of old or damaged red blood cells in the body?
a) Liver
b) Kidneys
c) Spleen
d) Pancreas
Answer: c) Spleen
Which of the following is responsible for the production of mucus in the respiratory system?
a) Lungs
b) Trachea
c) Bronchi
d) Goblet cells
Answer: d) Goblet cells
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