4231: How do most insects respire?
(a) Through gills
(b) By tracheal system
(c) By lungs
(d) Through skin
4232: The Prime Minister of India, at the time of his/her appointment
(a) need not necessarily be a member of one of the Houses of the Parliament but must become a member of one of the" Houses within six months
(b) need not necessarily be a member of one of the Houses of the Parliament but must become a member of the Lok Sabha within six months
(c) must be a member of one of the Houses of the Parliament
(d) must be a member of the Lok Sabha
4233: Lichens is an association of two types of organisms. They are:
(a) Algae and fungi
(b) Algae and virus
(c) Fungi and virus
(d) Virus and bacteria
4234: Cloudy nights are warmer compared to clear cloudless nights, because clouds
(a) prevent cold waves from the sky from descending on Earth
(b) reflect back heat given off by Earth
(c) produce heat and radiate it towards Earth
(d) absorb heat from the atmosphere and send it towards Earth
4235: Consider the following statement :
1. The Nobel Prize Awarding Ceremony takes place on December 10 to every year.
2. The Nobel Prize for Literature was added later on to the other five area . Physics, Chemistry, Physiology or Medicine, Peace and Economics.
Which of the statements given above is/are correct ?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2