Q: Which one of the following is not a part of the fallopian tube of the female reproductive system of humans?
(a)Ampulla
(b)Endometrium
(c)Infundibulum
(d)Isthmus
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Geo-Scientist General Science Questions
39 previous year questions
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Q: What is the molarity of NaOH in the solution prepared by dissolving its 4 g in 250 mL of solution? (The atomic mass of sodium is 23)
(a)0.04 M
(b)0.4 M
(c)4 M
(d)40 M
Q: Which of the following fields could bring a deflection in an electron beam?
(a)Electric field only
(b)Magnetic field only
(c)Either electric field or magnetic field or both
(d)Neither electric field nor magnetic field
Q: A spherical conductor of radius a has a cavity of radius b at its centre such that a > b. A positive charge q is placed at its centre (see figure). The electric fields in the regions b < r < a and r > a are respectively
(a)q/(4π ε0 a²) inward and q/(4π ε0 b²) outward
(b)q/(4π ε0 r²) inward and zero
(c)zero and q/(4π ε0 r²) outward
(d)zero and zero
Q: A 10 keV electron (mass = 9.1 × 10^-31 kg and charge = 1.6 × 10^-19 C) enters perpendicularly into the Earth’s magnetic field (5 × 10^-5 T). Its Larmor radius is
(a)5.93 km
(b)5.93 m
(c)6.75 km
(d)6.75 m
Q: Which one among the following is an example of olfactory indicator?
(a)Litmus
(b)Methyl orange
(c)Phenolphthalein
(d)Onion
Q: Xerophytic plants adapt to the hot arid regions by
(a)developing thick cuticle on their leaf surfaces
(b)opening stomata only during the day
(c)having photosynthetic roots
(d)growing leaves only during the winter
Q: Which one of the following categories does not have photosynthetic pigments?
(a)Algae
(b)Fungi
(c)Angiosperms
(d)Gymnosperms
Q: Which one among the following elements has the most negative electron gain enthalpy?
(a)F
(b)Cl
(c)P
(d)S
Q: Which one of the following types of isomerisms is shown by [CoCl₂(en)₂]Cl?
(a)Optical isomerism only
(b)Geometrical isomerism only
(c)Both ionisation and geometrical isomerisms
(d)Both geometrical and optical isomerisms
Q: Many fruits burst with a sudden jerk because of which the seeds are scattered a few yards from the parent plant. This type of dispersal of seeds is known as:
(a)Anemochory
(b)Hydrochory
(c)Autochory
(d)Zoochory
Q: In a region, the electric potential varies as shown in the figure. Which one among the following is the correct representation of the magnitude of the associated electric field?
(a)Option (a) – diagrammatic representation
(b)Option (b) – diagrammatic representation
(c)Option (c) – diagrammatic representation
(d)Option (d) – diagrammatic representation
Q: Which one among the following is the correct representation of the electric field when a conducting spherical shell is placed between the plates of a parallel plate capacitor?
(a)Option (a) – diagrammatic representation
(b)Option (b) – diagrammatic representation
(c)Option (c) – diagrammatic representation
(d)Option (d) – diagrammatic representation
Q: Consider metallic spheres of different radii r, all at the same electrostatic potential. Then the magnitude E of the electric field just outside these spheres depends on r as:
(a)E ∝ r⁻²
(b)E ∝ r⁻¹
(c)E ∝ r⁰
(d)E ∝ r
Q: Magnetic dipole moment of a square current loop of side 1 cm and carrying a current of 0.10 A is:
(a)3.14 × 10⁻⁵ A m²
(b)1.00 × 10⁻⁵ A m²
(c)6.28 × 10⁻³ A m²
(d)4.00 × 10⁻³ A m²
Q: 100 grams of ice at 0 °C is put in 240 grams of water at 5 °C. The mixture finally comes to equilibrium at 0 °C with m grams of ice having melted in the process. Value of m is close to: (latent heat of ice = 3.33 × 10⁵ J kg⁻¹ and specific heat of water = 4.2 J g⁻¹ °C⁻¹)
(a)0 g
(b)10 g
(c)5 g
(d)15 g
Q: Which one of the following has the adaptation 'echolocation' to detect the prey?
(a)Rattlesnake
(b)Barn owl
(c)Grasshopper
(d)Bat
Q: Lassaigne’s test is used for the detection of which of the following elements?
(a)N, S, P, Cl
(b)C, N, P, Br
(c)C, N, S, I
(d)C, N, S, Br
Q: The reaction of 1,2-dibromoethane with alcoholic KOH yields
(a)ethene
(b)ethyne
(c)1-bromo-2-hydroxyethane
(d)1-bromoethene
Q: Which one of the following is a 'false fruit'?
(a)Peach
(b)Banana
(c)Apple
(d)Apricot
Q: Which one of the following is a known metallophyte for Fe?
(a)Eichhornia crassipes
(b)Miconia lutescens
(c)Astragalus acemosus
(d)Mentha arvensis
Q: Duckweed or Azolla is used as a/an
(a)pesticide
(b)biofertilizer
(c)arsenic indicator
(d)antiseptic
Q: The ozonolysis of which one of the following alkenes yields a mixture of propan-2-one and formaldehyde?
(a)Propene
(b)Butene
(c)2-Methylpropene
(d)2-Methylbutene
Q: Infrasonic sounds have frequencies
(a)above 25 kHz
(b)between 20 kHz and 25 kHz
(c)below 20 Hz
(d)between 20 Hz and 20 kHz
Q: Which one of the following is an example of physical change?
(a)Flowering of plants
(b)Clotting of blood
(c)Cooking of food
(d)Melting of ice
Q: Which one of the following elements is not monoatomic?
(a)Hydrogen
(b)Helium
(c)Neon
(d)Argon
Q: Which one of the following gases is the lightest?
(a)Hydrogen
(b)Helium
(c)Oxygen
(d)Nitrogen
Q: Which one of the following statements about North-facing slopes and South-facing slopes in the Northern Hemisphere is not correct?
(a)North-facing slopes are snow covered while South-facing slopes are bare.
(b)North-facing slopes get less intense radiation as compared to South-facing slopes.
(c)Snow on North-facing slopes is found at a lower altitude than South-facing slopes.
(d)Tree line characteristics on North-facing slopes and South-facing slopes are similar.
Q: The derivation of Bernoulli's equation for fluid flow takes certain assumptions. Which one of the following assumptions is not among them?
(a)Gravitational forces can be neglected
(b)Turbulence of fluid flow can be neglected
(c)Viscous forces can be neglected
(d)Frictional forces can be neglected
Q: Tincture of iodine is:
(a)a solution of iodine in alcohol only.
(b)a solution of iodine in water only.
(c)a solution of iodine in alcohol and water.
(d)iodine.
Q: Which one of the following is the correct order of relative reactivities of metals Ca, Al, Hg and Au?
(a)Ca > Al > Hg > Au
(b)Au > Hg > Al > Ca
(c)Al > Ca > Hg > Au
(d)Ca > Al > Au > Hg
Q: Rutherford’s α-particle scattering experiment was responsible for the discovery of:
(a)Atomic nucleus
(b)Electron
(c)Proton
(d)Neutron
Q: Which one of the following is NOT a condition necessary for natural selection to occur?
(a)More organisms are born than can survive
(b)Organisms should not vary in their characteristics within a species
(c)Variation is inherited
(d)Differences in reproduction and survival are due to variation among organisms
Q: Which one of the following statements with regard to ultrasonic waves is NOT correct?
(a)Ultrasonic waves have frequency above 20 kHz
(b)Ultrasonic waves are longitudinal waves
(c)Ultrasonic waves can travel through water
(d)Ultrasonic waves can travel through vacuum
Q: Tendons connect:
(a)Bone to bone
(b)Bone to cartilage
(c)Muscle to bone
(d)Cartilage to fat
Q: Arteries are the blood vessels which:
(a)carry oxygenated blood.
(b)carry deoxygenated blood.
(c)have thin, non-elastic walls.
(d)carry the blood away from the heart.
Q: Which one of the following about anemophilous plants is correct?
(a)Bright coloured flowers
(b)Sweet smelling flowers
(c)No nectar
(d)Dwarf stigmata
Q: Which among the following states in India is known as ‘Fruit Bowl’ of the country?
(a)Kerala
(b)Himachal Pradesh
(c)Maharashtra
(d)Karnataka
Q: Which one of the following correctly represents RER?
(a)Endoplasmic reticulum having no ribosomes attached to its surface
(b)Endoplasmic reticulum having ribosomes attached to its surface
(c)Endoplasmic reticulum with rounded vesicles
(d)Endoplasmic reticulum with Golgi apparatus on its surface
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