Life Science Quiz-1

1. Which one of the enzymes is found in human saliva ?
A. Trypsin
B. Pepsin
C. Ptyalin
D. Rennin
Ans: C
2. Who among the following received Nobel prize for unraveling the helical structure of Protein ?
A. Linus pauling
B. Maurice Wilkins
C. Sanger
D. Watson and Crick
Ans: A
3. Which one of the following kinds of organism causes Maleria ?
A. Bacterium
B. Fungus
C. Protozoan
D. Virus
Ans: C
4. Which among the following is poorest source of Fat ?
A. Curd
B. Egg
C. Fish
D. Milk
Ans: C
5. The release of which one of the following into Ponds and wells helps in controlling mosquitoes ?
A. Crab
B. Gambusia Fisha
C. Dogfish
D. Snail
Ans: B
6. Which one of the following crop improvement technique is based on the concept of Cellular Totipotency in plants
A. Polyploid
B. Tissue Culture
C. Induced Culture
D. Hybridisation
Ans: B
7.Which one of the following element is essential for the transmission of Nerve impulses in nerve fibers of Human body ?
A. Calcium
B. Iron
C. Sodium
D. Zinc
Ans: C
8. Zoological Survey of India Planned to Establish Five DNA Laboratories in India. Which one of the following cities is not included in its planned list?
A.New Delhi
B. Chennai
C. Kolkata
D. Pune
9. If the drinking water supply pipeline is damaged and is contaminated with domestic sewerage. which one of the following disease is most likely to occur ?
A. Measles
B. Typhoid
C. Tuberculosis
D. Diphtheria
Ans: B
10. Which scientist disapproved the theory of spontaneous generation and performed the experiment to show "Life begets life" ?
A. Alexander flemin
B. Joseph Lister
C. Louis pasteur
D. Linus Pauling
Ans: C
11. In the human body, the red blood cells are produced in ?
A. Liver
B. Voluntary Muscles
C. Pancreas
D. Bone marrow
Ans: D
12. Which of the following are infected by foot and mouth disease ?
A. Cats
B. Cattle
C. Dogs
D. Poultry
Ans: B
13. Which one of the following disease is caused by bacteria ?
A. Hepatitis B
B. Poliomyelitis
C. Scabies
D. Tuberculosis
Ans: D
14. Which one of the following is vector for KALA-AZAR disease ?
A. Housefly
B. Sandfly
C. Aedes mosquito
D. Anopheles Mosquitos
Ans: B
15. In terms of organic evolution, which one of the following is more advanced than the other three ?
A. Bat
B. Pigeon
C. Ostrich
D. Vulture
Ans: A

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