General Science MCQ GK

Total Questions: 200

151) What is the chemical formula for sodium chloride?

a) NaCl

b) KCl

c) CaCl2

d) MgCl2

152) Which part of the cell is responsible for energy production?

a) Ribosome

b) Nucleus

c) Mitochondria

d) Golgi Apparatus

153) What is the main function of platelets in the blood?

a) Transport oxygen

b) Fight infection

c) Clot blood

d) Regulate temperature

154) Which nutrient is vital for the formation of red blood cells?

a) Iron

b) Calcium

c) Potassium

d) Magnesium

155) What is the chemical symbol for carbon?

a) C

b) Ca

c) Co

d) Cr

156) Which layer of the Earth is responsible for tectonic activity?

a) Crust

b) Mantle

c) Outer Core

d) Inner Core

157) What is the primary function of the digestive system?

a) Transport nutrients

b) Absorb oxygen

c) Break down food

d) Regulate temperature

158) What is the term for the ability of an organism to maintain a stable internal environment?

a) Homeostasis

b) Metabolism

c) Adaptation

d) Growth

159) Which vitamin is crucial for preventing scurvy?

a) Vitamin A

b) Vitamin B12

c) Vitamin C

d) Vitamin D

160) What is the chemical formula for hydrochloric acid?

a) HCl

b) H2SO4

c) HNO3

d) CH3COOH

161) What is the primary function of the circulatory system?

a) Exchange gases

b) Transport nutrients

c) Regulate temperature

d) Digest food

162) Which type of energy is associated with the position of an object?

a) Kinetic Energy

b) Potential Energy

c) Thermal Energy

d) Chemical Energy

163) What is the main function of the nervous system?

a) Regulate temperature

b) Transport nutrients

c) Process information

d) Fight infection

164) Which process describes the movement of water through a semipermeable membrane?

a) Diffusion

b) Osmosis

c) Filtration

d) Evaporation

165) What is the chemical formula for glucose?

a) C6H12O6

b) C12H22O11

c) C6H10O5

d) C3H8

166) Which vitamin is synthesized when skin is exposed to sunlight?

a) Vitamin A

b) Vitamin C

c) Vitamin D

d) Vitamin E

167) What is the primary function of the renal system?

a) Digest food

b) Filter blood

c) Regulate temperature

d) Fight infection

168) What is the term for a group of similar cells that perform a specific function?

a) Tissue

b) Organ

c) System

d) Organism

169) Which vitamin helps in the absorption of calcium?

a) Vitamin A

b) Vitamin B

c) Vitamin C

d) Vitamin D

170) What is the chemical formula for ammonia?

a) NH3

b) H2O

c) HCl

d) NaCl

171) Which type of energy is stored in chemical bonds?

a) Kinetic Energy

b) Potential Energy

c) Thermal Energy

d) Mechanical Energy

172) What is the primary role of insulin in the body?

a) Regulate blood sugar

b) Transport oxygen

c) Digest food

d) Control metabolism

173) What is the chemical symbol for gold?

a) Au

b) Ag

c) Pt

d) Pb

174) Which part of the plant is responsible for photosynthesis?

a) Roots

b) Stem

c) Leaves

d) Flowers

175) What is the term for the process by which plants lose water?

a) Transpiration

b) Evaporation

c) Condensation

d) Respiration

176) Which organ is responsible for producing insulin?

a) Liver

b) Pancreas

c) Kidneys

d) Gallbladder

177) What is the chemical formula for sulfuric acid?

a) H2SO4

b) HCl

c) HNO3

d) CH3COOH

178) Which vitamin is important for the production of collagen?

a) Vitamin A

b) Vitamin B12

c) Vitamin C

d) Vitamin D

179) What is the term for the genetic makeup of an organism?

a) Phenotype

b) Genotype

c) Karyotype

d) Allele

180) Which gas is produced during cellular respiration?

a) Oxygen

b) Carbon Dioxide

c) Nitrogen

d) Hydrogen

181) What is the chemical formula for nitric acid?

a) HNO3

b) HCl

c) H2SO4

d) CH3COOH

182) Which organ is primarily responsible for water absorption?

a) Stomach

b) Small Intestine

c) Large Intestine

d) Liver

183) What is the primary component of plant cell walls?

a) Chitin

b) Cellulose

c) Collagen

d) Keratin

184) Which vitamin is important for blood clotting?

a) Vitamin K

b) Vitamin A

c) Vitamin C

d) Vitamin D

185) What is the chemical symbol for mercury?

a) Hg

b) Ag

c) Pb

d) Au

186) Which process converts liquid water into water vapor?

a) Evaporation

b) Condensation

c) Sublimation

d) Precipitation

187) What is the primary function of the spleen?

a) Filter blood

b) Produce hormones

c) Digest food

d) Store energy

188) Which type of nutrient provides the most energy per gram?

a) Carbohydrates

b) Proteins

c) Fats

d) Vitamins

189) What is the chemical formula for table sugar?

a) C12H22O11

b) C6H12O6

c) C12H24O12

d) C6H10O5

190) What is the primary function of the thyroid gland?

a) Regulate metabolism

b) Produce insulin

c) Filter blood

d) Digest food

191) Which type of bond involves sharing electron pairs?

a) Ionic Bond

b) Covalent Bond

c) Hydrogen Bond

d) Metallic Bond

192) What is the term for the study of plants?

a) Botany

b) Zoology

c) Ecology

d) Anatomy

193) Which organ is responsible for the production of bile?

a) Gallbladder

b) Liver

c) Stomach

d) Pancreas

194) What is the primary function of the pancreas?

a) Regulate temperature

b) Produce enzymes and hormones

c) Filter blood

d) Digest food

195) What is the chemical formula for ethanol?

a) C2H5OH

b) C2H6

c) C2H4

d) C2H2

196) Which vitamin is essential for the absorption of iron?

a) Vitamin A

b) Vitamin B12

c) Vitamin C

d) Vitamin D

197) What is the primary function of the reproductive system?

a) Transport nutrients

b) Produce hormones

c) Enable reproduction

d) Fight infection

198) Which nutrient is important for muscle repair?

a) Carbohydrates

b) Proteins

c) Fats

d) Vitamins

199) What is the chemical symbol for sodium?

a) Na

b) K

c) Ca

d) Mg

200) What is the primary role of antioxidants in the body?

a) Prevent infections

b) Reduce inflammation

c) Neutralize free radicals

d) Promote digestion

Total Questions: 200

Share this page: