A fresh set of 20 random questions is generated every time you open this page and every time you refresh it.For each of the following multiple choice questions, choose the most appropriate answer :
1. Which one protects the lungs?
A. Ribs
B. Vertebral column
C. Sternum
D. All the above
2. Compared to the diametre of metaxylemthe diametre of protoxylemis -
A. Larger
B. Smaller
C. Broader
D. Angular
3. In maize, hybrid vigour is exploited by
A. bombarding the seeds with DNA
B. crossing of two inbred parental lines
C. harvesting seeds from the most productive plants
D. inducing mutations
4. Which of the following character is seen in male?
A. Muscles are comparitively weak
B. Voice is shrill
C. Voice is heavy
D. Beard and mustache is not seen
5. Which information is correct for our country ?
A. India is one of the twelve mega biodiversity countries ofthe world
B. India comprises 2.4% biodiversity of world
C. India contains more than 7 % plant species of world
D. India stands at 7th rank in traditional crop varieties
6. Ascaris is found in
A. body cavity
B. tissue
C. alimentary canal
D. lymph nodes
7. Maltose are insoluble in
A. Water
B. Alcohol
C. Acid
D. Basic
8. Generallyprotein and carbohydarte components are found in cow milk
A. Albumin, Lactose
B. Globulin, Casin
C. Casin, Lactose
D. Casin, Fructose
9. Formation of NO2 and NO3 from NH3 is indentified by which name?
A. Nitration
B. Denitrification
C. Nitrogenation
D. Nitrification
10. Which is proper pair of ions and its deficiency symtoms ?
A. Nitrogen - Induction of dormancy
B. Potassium - Scorched look to leaves
C. Phosphorous - Chlorosis
D. Zinc - Brown spoted of fruit11-12
11. What do a stock have ?
A. Bud
B. Branches
C. Leaves
D. Possess regular or irregular roots
12. The biggest and dominant group is
A. Bryophytes
B. Pteridophytes
C. Gymnosperms
D. Angiosperms
13. The correct sequence of taxonomic categories is
A. class-phylum-tribe-order-family-genus-species
B. phylum-order-class-tribe-family-genus-species
C. division-class-order-family-tribe-genus-species
D. division-class-family-tribe-order-genus-species
14. Which period is of the cycle is known as a proliferative phase ?
A. 1 to 5 days
B. 6 to 14 days
C. 15 to 28 days
D. 14 to 15 days
15. Which of the following is not a variation of diaphragm ?
A. Conical cap
B. Umbrella cap
C. Vinule cap
D. Both A and B
16. By which cause Dubb sound arises ?
A. Closing of semilunar valve
B. Closing of bicuspid valve
C. Closing of tricuspid valve
D. Both B and C
17. The smallest unit of classification is
A. species
B. sub-species
C. class
D. genus
18. Diabities incipidus is due to
A. Hyposecretion of vasopressin
B. Hyposecretion of insulin
C. Hyposecretion insulin
D. Hyposecretion vaspresssin
19. Where endangered animal species are kept for reproduction?
A. Laboratory
B. Zoological park
C. National park
D. Sanctury
20. Which animals have developed capacity of regeneration ?
A. Hydra, Starfish
B. Plasmodium
C. Earthworm
D. Spongilla
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