Function performed by the outer three layers of microsporangium? Option 1 : Protection to developing pollenOption 2 : Provides nourishment to developing pollenOption 3 : Helps in the dehiscence of anther to release pollenOption 4 : Both (1) and (3)
Function performed by the outer three layers of microsporangium? Read More »
How many microsporangia are there in each lobe of anther? Option 1 : One microsporangiaOption 2 : Two microsporangiaOption 3 : Three microsporangiaOption 4 : Four microsporangia
How many microsporangia are there in each lobe of anther? Read More »
Q. The speed-density relationship for a road section is shown in the figure. The shape of the flow-density relationship is A. piecewise linear B. parabolic C. initially linear then parabolic D. initially parabolic then linear Ans: initially linear then parabolic Sol: We know, Traffic capacity (q) = velocity (v) × density (k) ⇒ q =
The speed-density relationship for a road section is shown in the figure. Read More »
Tetragonal anther consists of Option 1 : One microsporangiaOption 2 : Two microsporangiaOption 3 : Three microsporangiaOption 4 : Four microsporangia
Q. A bitumen sample has been graded as VG30 as per IS : 73-2013. The ‘30’ in the grade means that A. penetration of bitumen at 25oC is between 20 and 40 B. viscosity of bitumen at 60oC is between 2400 and 3600 Poise C. ductility of bitumen at 27oC is more than 30 cm
A bitumen sample has been graded as VG30 as per IS : 73-2013 Read More »
Q. There are 20,000 vehicles operating in a city with an average annual travel of 12,000 km per vehicle. The NOx emission rate is 2.0 g/km per vehicle. The total annual release of NOx will be (A) 4,80,000 kg (B) 4,800 kg (C) 480 kg (D) 48 kg Ans: 4,80,000 kg Sol: Total Annual Emission
Typical angiosperm anther is Option 1 : Unilobed and dithecousOption 2 : Bilobed and dithecousOption 3 : May be both (a) and (b)Option 4 : Bilobed and tetrathecous
Stamens consists of which of the following parts? Option 1 : FilamentOption 2 : Style, stigmaOption 3 : AntherOption 4 : Both (a) and (c)
Stamens consists of which of the following parts? Read More »
Bernoulli’s equation is applicable for A. viscous and compressible fluid flow B. inviscid and compressible fluid flow C. inviscid and incompressible fluid flow D. viscous and incompressible fluid flow Ans: Inviscid and incompressible fluid flow
The anther in transverse section appears to be Option 1 : UnilobedOption 2 : DiagonalOption 3 : TetragonalOption 4 : Mosaic
