In unicellular organisms, all functions like digestion, respiration and reproduction are performed by a how many cells (s)?
1
2
3
4
Reflection from a smooth surface like that of a mirror is called ...............reflection.
regular
irregular
diffused
fused
Which of the following is not among the three different forms of 'if' statement?
if
if else
if and
if else if else
PET is a very familiar form of ............... It is used for making bottles.
nylon
acrylic
polyester
rayon
Which of the following gases is heavier than oxygen?
Carbon dioxide
Ammonia
Methane
Helium
In India, the Air (Prevention and Control of Pollution) Act came into force in 1981, but was amended in ........... to include noise as an air pollutant.
1987
1997
2007
2017
In April 2017, Prime Minister Narendra Modi inaugurated phase-I (Link-2) pipeline canal of the ambitious Saurashtra Narmada Avtaran Irrigation (SAUNI) in which state?
Rajasthan
Uttar Pradesh
Gujarat
Madhya Pradesh
Who invented the vacuum pump?
Ottovon Guericke
Cai Lun
Melitta Bentz
William Henry Fox Talbot
A.
Ottovon Guericke
Who was the winner of 2017 Australian Grand Prix?
Sebastian Vettel
Lewis Hamilton
Valtteri Bottas
Kimi Raikkonen