1- An unknown gas dissolve readily in water. The solution turn red litmus blue. The gas react with dydrogen chloride to produce white fumes. The unknown gas is:
A. Sulphide Dioxide B. Nitric Oxide
C. Ammonia D. Carbon Monoxide
Ans: C
2. In developing a Photographic Plate:
A. Sodium thiosulphate is used as reducing agent B. Free bromine is liberated
C. The exposed portion oxidised most rapidly D. It is left in the developer till all bromide is dissolved
Ans: D
3. The study of Functions, Characteristics and phenomena observed in the living world and the application of this knowledge to the world of Machines is known as:
A. Bionics B. Bionomics
C. Bionomy D. Biometry
Ans: A
4. A branch dealing with the scientific description of individual culture is known as:
A. Ethnology B. Ethnography
C. Ethology D. Ethics
Ans: A
5. A workman was working on the rail track. A young boy at a distance hold his ear near the rail track. This boy was able to hear sound of blow of workman twick. it is because of:
A. The speed of sound is greater in steel than in air B. The speed of sound is greater in air than in steel
C. Part of the sound wave is reflected between the rail track D. His ear are at different distances from the source.
Ans: A
6. Alternating current is Not suitable for:
A. Charging storage batteries B. Running electric motors
C. Transmitting electric powers D. Heating electric toasters Ans:A
7. Active acquired immunity is the result of the production of:
A. Antibodies B. Vaccines
C. Serums D. Filterble viruses
Ans: A
8. Which of the following characterstics separates man from all other primates:
A. Exhibition of curiosity B. Degererating sense of smell
C. Opposite thumb D. Projecting chin
Ans: A
9. Which of the following is considered to be mos recent:
A. Heiderberg man B. Cro Magnon Man
C. Pilt magnon man D. Neanderthal Man
Ans: B
10. Which of the following is the first to break the proper sequence:
A. Fertilized egg B. Gastrula
C. Blastula D. Foetus
Ans: A
11. Estrigen is produced by:
A. Egg B. Follicle
C. Corpus luteum D. Uterus
Ans: B
12. By Mistake ramu has take an over dose of certain injection. This caused twitching, Cibvulsions, Unconsciousness and death after some time. These symptoms were due to:
A. A Subnormal concentration of sugar in the blood
B. An enormous concentration of suger in the blood
C. A Lack if glycogen in the blood
D. A lack of calcium ions in the blood.
Ans: A
13. The principal reason why it is better to have tow eye than one is that:
A. By having two eyes we can distinguish Color easily.
B. By having two eyes we can easily see in dark and dim light
C. This gives man a type of vision known as mosaic vision
D. This enhance Depth perception in us.
Ans: D
14. The most important function of perspiration is to:
A. Regulate body temperature B. Regulate body water supply
C. Get rid of body poisons D. Keep the skin pores clear of dirt
Ans: A
15. If you want to lock your STD on Landline Telephone which of the following code you will use:
A. 124 ABCD 1 B. 124 ABCD 2 C. 124 ABCD 3 D. 124 ABCD 0
Ans: A
16. The buy balllot medal given once in ten year by the royal netherland academy of science has recently bestowed on:
A. PM Bhargav B. PV RAO
C. V RANABATHAN D. A SHARMA
Ans: C
17. Who among the following is the winner of 43rd mans world table tennis championship:
A. liu guoliang B. Kong lunghui C. Wang to D. Diang song
Ans: B