Question
Which of the following type of mouth parts present in
Cockroach and grasshopper?Solution
In Cockroach & grasshopper, Biting and chewing type mouth part is present. It is the primitive type of mouth part and consists Labrum (Upper lip), Labrum-epipharynx, Mandibles, Maxillae and Hypopharynx.
Two cities M and N are 432 km apart. A bus leaves M at 7:15 a.m. at 48 km/h. Another bus leaves N at 8:45 a.m. towards M at 72 km/h. At what time will t...
- A bullet train running at 65 m/s takes 10 seconds to pass a tree completely. Determine the approximate time required to cross a 1500-metre-long bridge.
- The length of train 'R' is 'd' metres and that of train 'S' is (d + 200) metres. If the speeds of train 'R' and 'S' are 90 km/h and 30 km/h, respectively, ...
- Two cyclists ‘X’ and ‘Y’ start from towns ‘M’ and ‘N’ respectively towards each other at the same time. When they meet after 6 hours, cycli...
Two trains ‘A’ and ‘B’ started from station ‘P’ and ‘Q’ towards station ‘Q’ and ‘P’ respectively at the same time. When they met...
Two trains running in opposite directions cross a pole in 25 seconds and 15 seconds respectively and they cross each other in 21 seconds.Find the ratio ...
Two trains of equal lengths take 20 seconds and 30 seconds respectively to cross a telegraph post. If the length of each train be 360 metres, in what ti...
Train P travelling at 58 km/hr crosses another train Q, having three fourth of its length and travelling in opposite direction at 32 km/hr in 14 seconds...
How many seconds will a train 60 m in length, travelling at the rate of 40 km an hour, take to pass another train 90 m long, proceeding in the same dire...
Two trucks ‘M’ and ‘N’ started simultaneously from cities ‘X’ and ‘Y’ respectively towards each other. When they met after 9 hours, truc...
