🔬 General Science Solved MCQs with Answers

Practice 4010 approved 🔬 General Science questions with verified answers from the 🌐 Current Affairs & GK subject for Pakistan exams.

4010 solved MCQs

Which cells organelle is found exclusively in protozoans?Answer: Contractile vacuole Lymphocytes that cause the formation of holes in plasma membranes are?Answer: Killer or Cytotoxic T cells The dermis of the skin contain all of the following except?Answer: A layer of dead cells Krause's disc is the other name of?Answer: Z line Curdling of milk in the stomach is due to the action of?Answer: Rennin Most cell secretion occurs after an allergen combines with?Answer: IgE antibodies When a population is small, there is a great chance of?Answer: Genetic drift Carboniferous period of coal deposition was?Answer: 300 mya The theory of sex determination proposed to explain the complicated mechanism of sex determination in drosophila?Answer: Genetic balance theory A J-shaped growth curve can be associated with?Answer: Exponential growth Blood is?Answer: Alkaline The filaments that specialize in moving organelles are?Answer: Microtubules Which one is mismatched?Answer: Glass snake Who induced mutations by X-ray irradiation in fruit fly6 for the first time?Answer: H.J.Muller When cells become specialized, they?Answer: Transcribe different genes A densely staining body found in the interphase nuclei of somatic cells of female: (Choose the correct word substitute)?Answer: Barr body The signaling pathway, followed by T-lymphocytes in response to antigenic stimulation, is_______?Answer: Autocrine signaling Which of the following colours is not seen in a rainbow?Answer: Brown When a bus starts and speeds up suddenly, the passenger sitting in the bus lean backward. This is because of _______?Answer: Inertia of rest The Sun’s main body consists of hydrogen (about 73%). The second main constituent (about 25%) is ________?Answer: Helium An important product of the Krebs cycle is?Answer: ATP Which of the rays is most dangerous?Answer: Gamma ray Big Bang theory is about ______?Answer: Origin of Universe Perinatal transmission is said to occur when a pathogen is transmitted from______?Answer: Mother to infant Which of the following is a fossil fuel?Answer: Coal Water does not boil at ______?Answer: 212°F Which of the following G-protein takes part in the regulation of vision?Answer: Gi family Which cloud is likely to cause heavy rainfall?Answer: Nimbo-stratus Which of the following is a component of the coenzyme A?Answer: Pantothenic acid The term "DACTYLOSCOPY" is known as _____?Answer: Finger Print Identification