External fertilization is seen in all of these except
External fertilization is seen in all of these except Option 1 : MammalsOption 2 : FishesOption 3 : AmphibiansOption 4 : Algae
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September 2023
The compressive strength of M-25 concrete is
Q. The compressive strength of M-25 concrete is (A) 25 kg/sqm (B) 25 N/sqmm (C) 250 N/sqmm (D) 2.5 N/sqmm Ans: 25 N/sqmm Sol: Grade of Concrete Compressive strength(N/mm²) M15 15 M20 20 M25 25 M30 30
Parthenogenesis is shown by
Parthenogenesis is shown by Option 1 : RotifersOption 2 : Honey beesOption 3 : Some lizards and birds (turkey)Option 4 : All of these
Select the incorrect statement from the following.
Select the incorrect statement from the following. Option 1 : Few fungi and algae have motile male and motile female gametes.Option 2 : Most vital event of sexual reproduction is the fusion of gametes.Option 3 : Pea is a bisexual self-fertilizing plant.Option 4 : In majority of organisms male gamete is non-motile and female gamete
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In a bird’s eye perspective view of a cuboid, the maximum number of vanishing points is
Q. In a bird’s eye perspective view of a cuboid, the maximum number of vanishing points is (A) 1 (B) 2 (C) 3 (D) 6 Ans: 3
In a bird’s eye perspective view of a cuboid, the maximum number of vanishing points is Read More »
In a Colour Wheel, Red and Blue colours are
Q. In a Colour Wheel, Red and Blue colours are (A) Tertiary (B) Complementary (C) Secondary (D) Primary Ans: Primary Answer: RYB (red-yellow-blue) make up the primary color triad in a standard art ist’s color wheel. The secondary colors purple-orange-green (sometimes called violet-orange-green) make up another triad.
The most critical event in sexual reproduction is
The most critical event in sexual reproduction is Option 1 : Gamete transferOption 2 : EmbryogenesisOption 3 : GametogenesisOption 4 : Fertilization (Syngamy)
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A two-wheel drive tractor weighing 18 kN has a wheel base 1.8 m
Q. A two-wheel drive tractor weighing 18 kN has a wheel base 1.8 m. Its centre of gravity is located 600 mm ahead of the rear axle centre, under static condition, on a level ground. When this tractor is used to pull a disc plough hitched at a height of 390 mm from the ground,
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Molecular diffusivity (DAB) of water vapour in air is 2.6×10-5 m2 s-1 over an effective distance of 3 mm
Q. Molecular diffusivity (DAB) of water vapour in air is 2.6×10-5 m2 s-1 over an effective distance of 3 mm. Density and coefficient of viscosity of air are 1.2 kg m-3 and 2×10-5 kg m-1 s-1, respectively. Sherwood Number (NSh) for water vapour in air is . Ans: 1.00 to 1.00
The porosity and compressibility of a 7.8 m thick confined aquifer are 0.25 and 1×10-8 m2 N-1, respectively
Q. The porosity and compressibility of a 7.8 m thick confined aquifer are 0.25 and 1×10-8 m2 N-1, respectively. The storage coefficient of the aquifer is 6.5×10-4. To release 650 m3 of water from 1 km2 of this aquifer, the average decline in hydraulic head will be m. Ans: 1.00 to 1.00