Basic Information of Daily Science Inventions and

226. Enzymes and anti-bodies are mainly made of---

• ক. Carbohydrate
• খ. Fats
• গ. Proteins
• ঘ. Vitamins

227. The atom is made of---

• ক. Protons and Quarks
• খ. Neutrons, Gamma Rays and Positrons
• গ. Protons, Neutrons and Electrons
• ঘ. Positrons, Neutrons and Electrons

228. Ozone depletion is caused by----

• ক. Carbon monoxide
• খ. Carbon dioxide
• গ. Chloroflurocarbon
• ঘ. Mercuric Oxide

229. A Biologist specializing in the study of insects is called---

• ক. an herpetologist
• খ. a paleontologist
• গ. an entomologist
• ঘ. an ornithologist

230. Acquired Immune Deficiency Syndrome (AIDS) is caused by

• ক. Bacteria
• খ. Fungus
• গ. Virus
• ঘ. None of the above

231. Which one of these planets is nearest to the earth?

• ক. Murcury
• খ. Venus
• গ. Neptune
• ঘ. None of these above

232. Entomology is the science that studies--

• ক. Human behavior
• খ. Insects
• গ. The formation of rocks
• ঘ. None of the above