Tuesday, April 25, 2017


1Which stage of development of insect is most harmful for crop?Caterpillar
2By which are heredity characters of parent transfered to their offspring?Chromosomes
3What is exception to Mendel's principle of dominance?Mirablius
4Dog bite can cause rabies. Which other animals can also cause rabies?Bat
5Which animal which can tolerate more summer heat?Goat
6Chromosomes are made up of which main component?DNA
7Coconut and mango grouped under, which kind of fruit?Drup
8Enlargment of which gland takes place due to deficiency of iodine?Thyroid
9Concentrated sulphuric acid is always diluted by adding which thing?Acid to water
10By whom was oral polio vaccine discovered?Jonas Salk
11Which pair belongs to the category of cold-blooded animals?Frogs and snakes
12In the case of a 'test-tube baby' where does fertilisation take place?Outside the mother's body
13What is the a biological process in which glucose and fat is oxidised to librate energy?Respiration
14Which technique can be used to establish the paternity of a child?DNA finger printing
15Who got noble prize for artificial synthesis of DNA?Kornberg
16Which state in India are the largest producers of sugarcane?Bihar and Uttar Pradesh
17By whom was the antibiotic penicillin first discovered?Alexzander Fleming
18Which gland in human body enlarged due to goiter?Thyroid
19What is involved in controlling blood sugar level?Islets of langerhans
20What is the life of RBC in human blood?120 days
21Which part of the cell is essential for protein synthesis?Ribosomes
22For which disease no vaccine is yet available?Malaria
23By whom are fishing, hunting and food gathering activities carried out?Semangs of Malaysia
24Who discovered Anopheles mosquito transmit malaria?Ronal ross
25Who discovered the causal organism of the disease Anthrax?Robert Koch
26Between which set of blood groups, is the blood transfusion possible?A and AB (A donor)
27What is pH of human blood?0 65292From 7.5 to 8
28Which environment support the growth of Mangrove Swamp?Tidal flat
29Howmuch time does a heart beat require approximately?0.8 second
30In which animal, is skin a respiratory organ?Frog
31Malaria parasite and Amoeba are grouped under?Protozoa
32Where is respiratory centre situated?Medulla oblongata
33Which gland in human body is popularly called 'Adam's apple'?Thyroid
34A 'flower bud' which is uses as a spice is obtained from which plant?Clove
35How many pair of never arises from vertebral column?31 pair
36Ethylene reacts with sulphur monochloride to form which gas?Mustard gas
37Ultrafiltering unit of kidney is known by which name?Nephron
38Which tissue in cells have lost the capicity of cell division?Permanent tissue
39Which is known as the queen of spices?Cardamom
40Where are Lungs situated?In thoracic cavity
41If CO2 concentration in the blood increases, what will breathing?Increase
42Which is a hot wind?Zonda
43Which is the largest tribal community in India?Gonds
44Which nitrogen fixing bacteria is found in leguminuous plant?Rizobium
45Which fungus makes symbiotic relationship with the root of higher plant?Mycorrhizae
46What is a vestigeal organ in man?Muscles ear lobe
47What is the normal temperature of the human body?98.4°F
48Which muscle is the strongest of all in the human body?Thigh
49What is the separation of colloidal particles from those of molecular dimensions called?Dialysis
50Longest bone found in which part of human body?Thigh

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