Pollen sacs develop from Option 1 : MicrosporeOption 2 : Microspore mother cellOption 3 : MicrosporangiumOption 4 : Megaspore
READ MORE +Pollen sacs develop from Option 1 : MicrosporeOption 2 : Microspore mother cellOption 3 : MicrosporangiumOption 4 : Megaspore
READ MORE +Q. A well-designed signalized intersection is one in which the A. crossing conflicts are increased B. total delay is minimized C. cycle time is equal to the sum of red and green times in all phases D. cycle time is equal to the sum of red and yellow times in all phases Ans: total ...
READ MORE +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)
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
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 ...
READ MORE +Tetragonal anther consists of Option 1 : One microsporangiaOption 2 : Two microsporangiaOption 3 : Three microsporangiaOption 4 : Four microsporangia
READ MORE +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 D. elastic recovery ...
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: ...
READ MORE +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
READ MORE +Stamens consists of which of the following parts? Option 1 : FilamentOption 2 : Style, stigmaOption 3 : AntherOption 4 : Both (a) and (c)
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