List of practice Questions

If the dip separation vector on a normal fault plane has an attitude 60° → 040° and a magnitude of 6 m, the heave on the fault is ______m. (In integer)
A hillslope with an angle of 40° consists of soil having an internal friction angle of 30°. The factor of safety of the hillslope is __________. (Round off to two decimal places)
The water table over an area of 1 km2 was lowered by 4 m. If the porosity of rock is 30% and the specific retention is 10%, the change in the groundwater storage is ______ × 103 m3. (In integer)
The \(\frac{^{143}Nd}{^{144}Nd}\ \text{and}\ \frac{^{147}Sm}{^{144}Nd}\) ratios of a rock are 0.516 and 0.389, respectively. The rock evolved as a closed system. As per the exact parent-daughter relationship \(\frac{^{143}Nd}{^{144}Nd}\) equation, the ratio of the rock 4.6 × 109 years ago was ______. (Round off to three decimal places)
(Use decay constant for 147Sm = 6.54 × 10-12 y-1)
A cylindrical copper ore body has a vertical thickness of 45 m and a diameter of 14 m with a density of 2.9 g/cm3. The reserve of the copper ore body is _________ tons. (In integer)
The following figure shows an isobaric temperature-composition (T-X) phase diagram for the binary system A-B. If 'P' is the initial composition of liquid, the amount of liquid that remains in the system when the liquid cools from 1800 °C (point L1) to 1500 °C (point L2) is _____%. (In integer)
figure shows an isobaric temperature-composition (T-X) phase diagram for the binary system A-B
A water flow transports spherical particles (diameter = 2mm; density = 3g/cm3) in suspension mode. If additional particles of density 2g/cm3 are added into the flow, then the diameter of the particles that can be transported without a change in terminal fall velocity, using Stokes law, is _____mm. (Round off to two decimal places) (Use density of water = 1g/cm3)
If an iron ore body contains 50% hematite (Fe2O3) and 50% magnetite (Fe3O4), then the grade of the iron ore body is _____%. (Round off to two decimal places) (Use atomic weight of Fe = 55.85 amu and O = 16 amu).
The schematic stereographic projection below shows dip amount and dip direction of three sets of joints (J1, J2 and J3) on a hillslope. If the internal friction angle of the hillslope material is 30°, the strike of the potential failure joint plane (in azimuthal convention following right hand rule) is _____degrees. (In integer)
schematic stereographic projection below shows dip amount and dip direction of three sets of joints on a hillslope
The hydraulic conductivity of a 100cm long cylindrical core is estimated as 1.2cm/min when hydraulic head difference is 20cm in an experimental setup. If the effective porosity of the core is 20%, then, assuming steady state Darcy flow, the average interstitial velocity of groundwater through the core is _____m/day. (Round off to two decimal places)
Which one of the following compounds inhibits the polymerization of tubulin to microtubules in animal cells?
Which one of the following is NOT a plant vascular tissue?
A growing shoot of a germinating seedling encounters an underground obstacle. Which one of the following hormones elicits ‘triple response’ to the underground obstacle?
Which one of the following pairs of antibodies contains ‘J-chain’ in their multimeric form?
Restriction enzymes that recognize the same nucleotide sequence but cleave at different positions are called
Which one of the following does NOT belong to the freshwater ecosystem?
Which one of the following is transcribed by RNA polymerase III in eukaryotes?
Given the following sets:
𝐴 = {2, 4, 6, 8, 10, 12}
𝐵 = {8, 10, 12, 14, 16, 18}
𝐶 = {7, 8, 9, 10 11, 12, 13}
(𝐴 ∩ 𝐵) ∪ (𝐵 ∩ 𝐶) is
Rain is falling vertically with a speed of 40 $m s^{-1}$. Wind starts blowing with a speed of 16 $m s^{-1}$ in the west to east direction. How should a person, who is standing, hold his umbrella to avoid getting wet?
Which one of the following statements about the G1 checkpoint of eukaryotic cell division cycle is INCORRECT?
Determine the correctness or otherwise of the following Assertion [a] and the Reason [r].
Assertion [a]: Nitric oxide is involved in transient paracrine and autocrine signaling.
Reason [r]: Nitric oxide is highly reactive, with a lifetime of few seconds, yet can diffuse freely across membranes
Match the molecules in Group I with the type of bonds present in them, in Group II
Group I Group II
P) NaCl 1) Coordination bond
Q) $H_2$2) Polar covalent bond
R) $Pd-P$ bond in $Pd(PPh_3)_4 3) Covalent bond
S) $C-Cl$ bond in $CH_3Cl $ 4) Ionic bond
Match the type of DNA repair mechanism in Group I with the enzyme(s) involved in Group II
Group I Group II
P) Mismatch repair1) DNA glycosylase
Q) Base excision repair2) UvrA, UvrB, UvrC and UvrD
R) Nucleotide excision repair3) RecA
S) Double strand break repair4) MutL, MutS and MutH
Tetracycline binds to the
In the ‘Southern blot’ technique, which of the following reagents is used to detect the presence of a desired DNA fragment?