question_answer1) Willem Einthoven was a Dutch doctor and physiologist. He invented a common medical tool which is in use today. He received the Nobel Prize in Medicine in 1924 for his invention. What was his invention?
A) X-ray machine done clear
B) CAT Scanner done clear
C) ECG done clear
D) MRI done clearView Solution play_arrow
question_answer2) Clyde Tombaugh is credited with the discovery of this object on the fringes of our Solar System in 1930. He did so by systematically imaging the night sky in pairs of photographs, then examining each pair and determining whether any objects had shifted position. Name the object.
A) Ceres done clear
B) Triton done clear
C) Deimos done clear
D) Pluto done clearView Solution play_arrow
question_answer3) pH is a measure of the concentration of hydrogen ions in a solution. The lower the pH, the higher the concentration of hydrogen ions, and the more acidic a solution is. Alkaline or basic solutions have lower concentrations of hydrogen ions, and a pH above 7. Which of the following substances has the highest pH value?
A) Pineapple juice done clear
B) Caustic soda done clear
C) Wine done clear
D) Blood done clearView Solution play_arrow
A) Centrifugal force done clear
B) Cohesive force done clear
C) Gravitational force done clear
D) Centripetal force done clearView Solution play_arrow
question_answer5) The Indian Space Research Organisation (ISRO) successfully launched 104 satellites from Satish Dhawan Space Centre in Sriharikota, Andhra Pradesh. Which of the following is the rocket vehicle used to launch 104 satellites
A) PSLV-C37 done clear
B) PSLV-C38 done clear
C) PSLV-C39 done clear
D) PSLV-C40 done clearView Solution play_arrow
A) Short tail done clear
B) Extra toes done clear
C) Curly fur done clear
D) Mismatched eye colors done clearView Solution play_arrow
A) Syzygy done clear
B) Sizzle done clear
C) Stretch done clear
D) Symbology done clearView Solution play_arrow
A) Easter done clear
B) Equinox done clear
C) Eclipse done clear
D) Solistice done clearView Solution play_arrow
question_answer9) For his scientific work, he was awarded the Nobel Prize in Chemistry in 1954. In 1962, for his peace activism, he was awarded the Nobel Peace Prize. This makes him the only person to be awarded two unshared Nobel Prizes. Who is this incredible gentleman?
A) Linus Pauling done clear
B) Frederic Joliot done clear
C) Richard Feynman done clear
D) Aage Bohr done clearView Solution play_arrow
question_answer10) Named after a Norse king, this wireless technology standard enables the exchange of data over short distances, from fixed and mobile devices, using short-wavelength UHF radio waves. It was invented by telecom vendor Ericsson in 1994 as an alternative to wireless. What is it called?
A) Oneplus done clear
B) Xender done clear
C) Bluetooth done clear
D) Fugu done clearView Solution play_arrow
question_answer11) The difference between an exothermic chemical reaction and an endothermic one is that one releases energy while the other uses energy. Which of the following is not an example of an exothermic reaction?
A) Burning a log done clear
B) Water freezing into ice done clear
C) Photosynthesis done clear
D) Burning of sugar in the body done clearView Solution play_arrow
A) PALS done clear
B) ABHAY done clear
C) HUMSA-UG done clear
D) AIDSS done clearView Solution play_arrow
A) Thumba done clear
B) Baikanour done clear
C) Kourou done clear
D) Sriharikota done clearView Solution play_arrow
question_answer14) The Chandrasekhar Limit is accepted to be approximately 1.4 times the mass of the Sun. A star that exceeds this mass is destined to end its life in a most violent form of explosion. What is it called when a star explodes in this manner?
A) Red giant done clear
B) Black hole done clear
C) White dwarf done clear
D) Supernova done clearView Solution play_arrow
question_answer15) The 38 elements in groups 3 through 12 of the periodic table are called 'transition metals'. Transition metals include 3 elements that are known to produce a magnetic field. Which of the following is not one of them?
A) Iron done clear
B) Cadmium done clear
C) Cobalt done clear
D) Nickel done clearView Solution play_arrow
question_answer16) Scientists believe that about 75% of the universe consists of dark matter and dark energy, but roughly 75% of the ordinary matter consists of this element, with helium making up nearly 25%, and all of the other elements adding up to less than 1%. Name this element.
A) Carbon done clear
B) Nitrogen done clear
C) Oxygen done clear
D) Hydrogen done clearView Solution play_arrow
question_answer17) Light is deflected when it passes obliquely through the interface between one medium and another, or through a medium of varying density. What will happen when a light ray travelling in glass is incident on an air surface?
A) It will refract away from the normal. done clear
B) Some of the light may be reflected. done clear
C) All of the light may be reflected. done clear
D) All of these may happen. done clearView Solution play_arrow
question_answer18) The American theoretical physicist shown in the picture is known for his work in quantum electrodynamics, for which he received the Nobel Prize in Physics in 1965. He assisted in the development of the atomic bomb during World War II and became known to a wide public in the 1980s as a member of the panel that investigated the Space Shuttle Challenger disaster. Identify this scientist.
A) Erwin Schrodinger done clear
B) Richard Feynman done clear
C) Max Planck done clear
D) Paul Dirac done clearView Solution play_arrow
question_answer19) Phytohomnones are chemicals that regulate plant growth. They are signal molecules produced within the plant, and occur in extremely low concentrations. Which of the following are not phytohormones?
A) Auxins done clear
B) Jasmonates done clear
C) Cytokinins done clear
D) Corticoids done clearView Solution play_arrow
A) Locus done clear
B) Allele done clear
C) DNA done clear
D) RNA done clearView Solution play_arrow
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