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71. In plants, apomixis pertains to plant development A. from root cuttings B. from cuttings of stem C. without the gametes having to fuse D. fusion of gametes Answer Option : C 72. The difference between perisperm and endosperm is that perisperm A. has reserved food B. forms by fusion of the secondary nucleus with […]
61. Name the non-membrane bound organelle exclusively found only in animal cell A. Name the non-membrane bound organelle exclusively found only in animal cell B. Glyoxisome C. centriole D. Peroxisome Answer Option : C 62. If the centromere is located at the proximity of the end of a chromosome, it is known as A. Acrocentric
51. Amoebiasis causes ______. A. Fever B. Dysentry C. Severe cold D. Headache and cold Answer Option : B 52. The karyosome of Entamoeba histolytica is _______. A. even B. liver C. central D. progressive Answer Option : C 53. Differentiation between pathogenic and non-pathogenic strains can be done by _______. A. Phagocytic activity B.
41. Entamoeba differs from amoeba in not having ______. A. Nucleus B. Ectoplasm C. Pseudopodia D. Contractile vacuole Answer Option : D 42. In Amoeba, nutrition is ______. A. Saprobic B. Holophytic C. Parasitic D. Holozoic Answer Option : D 43. Which of the following is not the locomotory organ of protozoans? A. Cilia B.
31. The fluid sample required for performing the Amniocentesis test is ________. A. The amnion B. The placenta C. The liquid surrounding the immediate fetus D. All of the above Answer Option : C 32. Amniocentesis is a prenatal diagnostic test, which can also determine whether an unborn child will have __________ or not. A.
21. Which of the following amino acids has to be supplemented in the diet? A. phenylalanine B. cysteine C. glutamine D. asparagine Answer Option : A 22. Which of the following amino acids is not necessary to be taken in the diet? A. histidine B. threonine C. serine D. lysine Answer Option : C 23.
11. The “Lock and key” theory of enzyme action was put forward by A. Koshland B. Fischer C. Kuhne D. Arrhenius Answer Option : B 12. Allosteric enzymes possess A. Three types of allosteric sites B. Active site and three types of allosteric sites C. Active site and two types of allosteric sites D. Active
01. Abscisic Acid contains _______. A. one asymmetric and two symmetric carbon atoms B. one symmetric and two asymmetric carbon atoms C. one asymmetric carbon atom D. one symmetric carbon atom Answer Option : C 02. Dormin is a _______. A. abscisic acid B. growth promoter C. auxin D. none of these Answer Option :
Learn and practice General Knowledge questions and answers on Physics with very easy and understandable explanations. GK questions are very helpful. JEE Physics Syllabus Physics Syllabus Physics JEE Syllabus Physics and measurements Kinematics Laws of motion Work, energy and power Rotational motion Gravitation Properties of solids and liquids Thermodynamics Kinetics theory of gases Oscillations and
01. The metal detectors installed at airports and other places for security purpose are based on the principle of ________. A. potential difference B. electromagnetic difference C. electromagnetic induction D. potential energy Answer Option : C 02. Name two main parts of an AC generator. A. stator B. rotor C. None of these D. Both
11. If the magnitude of the resultant force of two forces is lesser than the magnitude of the larger force, then A. The two forces are perpendicular to each other B. They two forces in opposite direction C. The forces are different in magnitude and direction D. The forces posses small magnitude Answer Option :
21. If a current I given by I0sin(ωt−π2) flows across an AC circuit with potential E=E0sinωt, then what is the power consumption in the circuit? A. P= E0Io/2 B. P= √2E0I0 C. P= E0I0/√2 D. P=0 Answer Option : D 22. What is the frequency of a 5μF capacitor that has a reactance of 1000
31. Charged particle ‘q’ moving through a magnetic field with velocity V will have zero magnetic force when the angle is A. 0 B. 90 C. 180 D. Both a and b Answer Option : D 32. If a coil carrying current is placed in uniform magnetic field, then A. emf is produced B. Torque
41. Why is copper a preferred choice in making electrical wires? A. Copper is a good conductor of electricity B. Poor conductor of electricity C. insulator D. superconductor Answer Option : A 42. Conductors are materials that allow A. Allow the flow of heat B. Does not allow heat to flow C. Allows cold to
51. Which of the following statements is true for a dielectric? A. Dielectrics are superconductors at high temperature B. Dielectrics are superconductors at low temperature C. The cannot become superconductors D. They have very less breakdown voltage Answer Option : B 52. The dielectric constant cannot be _____. A. Infinity B. 5 C. 6 D.
61. Cyclotron can be used in _______. A. Particle therapy to treat cancer B. source of high energy beam for a nuclear physics experiment C. Produced short-lived positron -emitting isotopes for PET imaging D. All of the above Answer Option : D 62. A Cyclotron can accelerate _______. A. β particles B. α particles C.
71. Find the dielectric constant for material with electric susceptibility of 5. A. 4 B. 6 C. 7 D. 3 Answer Option : B 72. The logic behind NOR gate is that it gives A. High output when both the inputs are low B. Low output when both the inputs are low C. High output
81. The maximum impedance of a transmission line 50 ohm and the standing wave ratio of 2.5 is _______. A. 20 B. 125 C. 200 D. 75 Answer Option : B 82. A transmission line has a voltage of 24 V and a conduction current of 1.2 A. What will its receiving impedance? A. 25.2
91. Which of the following statement is true if a body moves in a semicircular track whose radius is R. A. 2R is the displacement of the body B. πR is the distance travelled by the body C. Both (a) and (b) are correct D. None of the above. Answer Option : C 92. What
Learn and practice General Knowledge questions and answers on Mathematics with very easy and understandable explanations. GK questions are very helpful. JEE Mathematics Syllabus Mathematics JEE Syllabus Sets, relations and functions Complex number and quadratic equations Matrices and determinants Permutations and combinations Mathematical induction Binomial theorem and its simple applications Sequences and series Limit, continuity
91. Which of the following represents coinitial vector? A. c, d B. m, b C. b, d D. b, d Answer Option : D 92. The vectors 3i^+5j^+2k^,2i^−3j^−5k^ and 5i^+2j^−3k^ form the sides of A. Isosceles triangle B. Right triangle C. Scalene triangle D. Equilaterala triangle Answer Option : D 93. The vectors a=xi^−2j^+5k^ and
81. The summation of two unit vectors is a third unit vector, then the modulus of the difference of the unit vector is A. √3 B. 1 – √3 C. 1 + √3 D. -√3 Answer Option : A 82. The vectors λi^+j^+2k^,i^+λj^−k^ and 2i^−j^+λk^ are coplanar if A. λ = -2 B. λ =
71. The tangent to the curve y = 2×2 -x + 1 is parallel to the line y = 3x + 9 at the point A. (2, 3) B. (2, -1) C. (2, 1) D. (1, 2) Answer Option : D 72. The tangent to the curve y = x2 + 3x will pass through
61. Find the maximum profit that a company can make, if the profit function is given by P(x) = 41 + 24x – 18×2. A. 25 B. 43 C. 62 D. 49 Answer Option : D 62. If y = x3 + x2 + x + 1, then y A. has a local minimum B.
51. If the points (3, -2), (x, 2), (8, 8) are collinear, then find the value of x. A. 2 B. 3 C. 4 D. 5 Answer Option : D 52. Using determinants, find the equation of the line joining the points (1, 2) and (3, 6). A. y = 2x B. x = 3y
