CAPF-AC Exam Model Questions : SET-15
1. Under the Clean Development Mechanism (CDM) the sodium street lights have to be replaced by light Emitting Diodes (LED). What are the benefits of LEDs over sodium lamps?
1. Sodium lights emit poisonous gases such as mercury and they consume more power too, while there is no such hazard imply with the used of LEDs.
2. THe visibility is more in LED lights as it is confined within a certain area and the color of the produced light is white.
3. LEDs are more feasible during Fogs because the basic principle of LED is based on the LASER
Select the correct answer using codes given below:
(a) 1 and 2 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
2. The new version of advanced television, beyond the High Definition television is 4K television. Consider the following statements in this regard:
1. The basic principle of 4K TV is Near Field Communication (NFC)
2. The term 4K refers to the horizontal resolution of the images, which are all on the order of 4,000 pixels.
3. If the screen is too big then the HD gives the blurred images because the resolution of the images and pixels are limited
Which of the statements given above are correct?
(a) 1 and 2
(b) 2 and 3
(c) 1 and 3
(d) 1, 2 and 3
3. Consider the following statements
1. Identical twins are formed when one fertilized egg splits into two
2. Identical twins are formed when two sperm fertilized with two eggs.
Which of the above statement is/are?
(a) 1 Only
(b) Only 2
(c) 1 & 2
(d) neither 1 nor 2
4. Which of the following are not the functions of kidney?
(a) Removes nitrogenous metabolic wastes
(b) Removes bile pigments
(c) Removes excess salts & vitamins
(d) Limits the water removal
5. Consider the following statements
1. Flame cells perform excretory function in the body of tapeworms.
2. Prawns have green gland and insects possess malpighian tubules as organs of excretion.
Which of the above statement is/are?
(a) 1 Only
(b) Only 2
(c) Both 1 & 2
(d) neither 1 nor 2
ANS: 1(a), 2(b), 3(d), 4(a), 5(d)