1) A group of scientists successfully cloned eight calves from the cells of a single cow. The experiment took place in:
(A) Japan
(B) Britain
(C) Switzerland
(D) USA
2) Which one of the following colors has the longest wavelength?
(A) Yellow
(B) Blue
(C) Red
(D) Green
3) Which one of the following can be used to focus sunlight?
(A) Plane mirror
(B) Convex lens
(C) Concave mirror
(D) Convex mirror
4) What does a Sphygmomanometer measure?
(A) Blood Pressure
(B) Atmospheric Pressure
(C) Pressure at the workplace
(D) Lung Pressure
5) A light year is the unit of:
(A) Light
(B) Speed
(C) Distance
(D) Space
6) The twinkling of the stars is due to the reason that:
(A) The stars do not emit light continuously
(B) The refractive index of Earth's atmosphere fluctuates
(C) Intermittent absorption of star light by Earth's atmosphere
(D) Intermittent absorption of star light by stars atmosphere
7) The motor nerve:
(A) Carries impulses from the receptors to the brain
(B) Carries impulses from the heart to the brain
(C) Carries impulses from the brain to the different organs
(D) Is induced by a pace-maker to activate the pumping of heart
8) When an electrical line tester fitted with light device commonly used by electricians is brought in contact with a live wire, a small glow is observed. The glow is commonly due to the presence of:
(A) Xenon
(B) Argon
(C) Krypton
(D) Neon
9) In the manufacture of safety matches, which of the following materials are used to coat the two sides of the match box?
1. Red phosphorus
2. Potassium chlorate
3. Glass Powder
4. Gum
Select the correct answer from the codes given below:
(A) 1 and 3
(B) 1, 2 and 4
(C) 2, 3 and 4
(D) 1, 3 and 4
10) The most abundant element in Earth's crust is:
(A) Silicon
(B) Oxygen
(C) Aluminum
(D) Calcium