Q1.What is the main purpose of white blood corpuscles?
(a)To carry nutrients
(b)To combat infection
(c)To carry oxygen
(d)To give strength
Q2. The layer where the decrease the temperature with increasing altitude is totally absent is?
(a)Troposphere
(b)Ionosphere
(c)Stratosphere
(d)Mesosphere
Q3.At hill stations the boiling point of water will be?
(a)same as at sea level
(b)less than that at sea level
(c)more than that at sea level
(d)Equal to the melting point of ice
Q4. Which of the following uses the spawn mechanism to duplicate itself?
(a)Trojan horse
(b)worm
(c)Keystroke logger
(d)Logic bomb
Q5.Siderosis is a disease caused by the inhalation of?
(a)silica dust
(b)iron dust
(c)zinc dust
(d)coal dust
Q6.Which of the following is used as anaesthetics?
(a)N2
(b)N2O
(c)CH4
(d)CO2
Q7.Clove is obtained from
(a)Root
(b)Stem
(c)Leaves
(d)Flower buds
Q8.Which is the heaviest metal among the following ?
(a)Gold
(b)Silver
(c)Iron
(d)Copper
Q9.Sunita Williams is a
(a)Astronaut
(b)missile scientist
(c)Astro physicist
(d)Nuclear scientist
Q10.Magnesium is a constituent metal of
(a)Cholophyll molecule
(b)DNA
(c)Mitochondria
(d)Ribosomes
Q11.The sex of a newborn baby is determined by the chromosome inherited from
(a) the mother
(b) the father
(c) mother’s mother
(d) father’s father
Q12.Average life span of human R.B.C is
(a) 100 days
(b) 90 days
(c) 120 days
(d) None of these
Q13.The main thinking part of the brain is
(a) midbrain
(b) hypothalamus
(c) forebrain
(d) hindbrain
Q14.Among the given nutrients, milk is a poor source of
(a) Calcium
(b) Protein
(c) Carbohydrate
(d) Vitamin C
(a) fungus
(b) alga
(c) fern
(d) moss
CRACK SSC CGL 2017
