🔬 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

The de-Broglie wavelength associated with a particle moving at 10^6 m/s and having mass 10^-30 kg?Answer: 6.6×10^-10m Which of the following is an example of instructive igneous rock?Answer: Crystal Electronic configuration of chromium (Proton number 24) is _____?Answer: [Ar] 3d⁵ 4s¹ The movement of air over the surface of the earth is called:Answer: Wind During first aid of a patient, a paramedic noticed a brief loss of consciousness which is termed as:Answer: Faint Sit causality down, lean forward, and pinch the soft part of the nose is used as a first aid technique to control bleeding of which part?Answer: Nose وٹامن کے کس چیز میں مدد دیتا ہے؟Answer: خون کو جمنے میں The atomic masses of element depend upon _____?Answer: Number of isotopes & their abundance The hydrophilic end of phospholipid molecule is polar because of the presence of _____?Answer: Phosphate group In the journey of electrons from photosystem II to photosystem I plastocyanine is reduced by ______?Answer: Cytochrome complex Select the appropriate Doppler equation when source is approaching the stationary observer where fo is the observed frequency, fs is frequency of source, v is the speed of sound, vs is the speed of source relative to observer?Answer: fo = v/v-vs fs Which series falls in ultra violet region?Answer: Lyman Which type of isomerism is displayed by compounds having same structural formula but different position of atoms on both sides of carbon bond?Answer: Geometric Which of following is used in pencils as a lubricant?Answer: Graphite According to endosymbiosis theory, flagella may have derived by the ingestion of prokaryotes similar to ______?Answer: Spirochete Immediate next stage of spermatogonia differentiation is _______?Answer: Primary spermatocytes The two dimensional motion under constant acceleration due to gravity is called?Answer: Projectile motion The magnitude of the current in metals is proportional to the potential difference across it as long as temperature of conductor is kept constant is known as?Answer: Ohm's Law When carboxylic acid are heated with alcohol in the presence of sulphuric acid one of the following is formed?Answer: Esters Acid Zoology is the branch of?Answer: BIO Science Identify correct ascending order of reactivity of alkyl halides?Answer: F, Cl, Br, I In human myelinated fibers nerve impulse travels at _______ meter per second.Answer: 100-120 Fluid secreted by sertoli cells provides liquid medium, protection and nourishment to ______?Answer: Spermatogonia All hammers are tools. Some tools are useless things. All useless things are trash. Which of the following conclusions is NECESSARILY TRUE given only the information above? CONCLUSIONS: I. Some hammers are trash II. Some tools are trash III. All useless things are tools.Answer: II Read the passage and the following statements below. Then choose the correct option, basing your answer only on the information provided. Pakistan is rich in wildlife and culture. It is home to many sorts of wildlife, from the Ibex to the Indus River Dolphin; and people from most countries in the world have made their home here. STATEMENTS: I. Pakistan is a rich country. II. People from all nationalities of the world live in Pakistan. III. Pakistan is home to at least one dolphin species.Answer: Only III is correct Read the following and choose the correct answer: "P, Q and R are one-digit, non-negative numbers. P is the smallest even number. Q is the largest odd number. R is 5."Answer: P + Q + R = 16 Read the following and choose the correct answer: "X, Y and Z are three whole numbers less than 24 but greater than 11. X is the smallest prime number. Y is the largest number divisible by 3. Z is the smallest number divisible by 11?Answer: X is 13, Y is 24, Z is 11 Time is to watch as pressure is to:Answer: Barometer Observe the pattern and select the next term, in the sequence: JEQ, HEO, FEM, _____?Answer: DEK In Mendel’s experiments with pea plants, what is the term for the traits that disappeared in the F1 generation and reappeared in the F2 generation?Answer: Recessive traits