416: An astronaut weighing 100 kg fires a bullet weighing 1 kg with a gun of 10 kg at the speed of 50 metres/second. What will be the recoil velocity of the gun ?
(a) 5 cm/s
(b) 50 cm/s
(c) 0.5 cm/s
(d) 0.05 cm/s
417: Living organisms require at least 27 elements of which 15 are metals. Among these, those required in major quantities include
(a) Potassium, Manganese, Molybdenum & Calcium
(b) Potassium, Molybdenum, Copper & Calcium
(c) Potassium, Sodium, Magnesium & Calcium
(d) Sodium, Magnesium, Copper & Manganese
418: Which of the following is a dance - drama ?
(a) Kathakali
(b) Bharatnatyam
(c) Odissi
(d) Manipuri
419: Consider the following statements:
The nation-wide 'Soil Health Card Scheme' aims at
1. expanding the cultivable area under irrigation.
2. enabling the banks to assess the quantum of loans to be granted to farmers on the basis of soil quality.
3. checking the overuse of fertilizers in farmlands.
Which of the above statements is/are correct?
(a) 1 and 2 only
(b) 3 only
(c) 2 and 3 only
(d) 1, 2 and 3
420: Match List I with List II and select the correct answer using the code given below the lists :
List I
(National Park/ Wildlife Sanctuary)
A. Chandra Prabha
B. Karera
C. Jaisamand
D. Nahargarh
List II
(Nearby Town)
1. Jaipur
2. Jhansi
3. Agra
4. Varanasi
5. Udaipur
(A) 4 2 5 1
(B) 4 1 5 2
(C) 5 2 3 1
(D) 5 2 3 1