1. Which in the following is an improved variety of chicken ?
( A )Jersey
( B ) Leghorn
( C ) Himgiri
( D ) Kalyansona
Answer-( B )
2. Which disease is found in hen ?
( A ) Smut
( B ) Cholera
( C ) Both A & B
( D ) Ranikhet
Answer-( D )
3. Norman Borlaug is associated with:
( A ) White revolution
( B ) Green revolution
( C ) Blue revolution
( D ) Yellow revolution
Answer-( B )
4. Borlaug developed new varieties of:
( A ) Wheat
( B ) Rice
( C ) Sugarcane
( D ) Mango
Answer-( A )
5. Virus free plants can be obtained by :
( A ) Embryo rescue
( B ) Meristem culture
( C ) Protoplast culture
( D ) Anther culture
Answer-( B )
6. Coccidiosis in poultry is caused by:
( A ) Protozoan parasites
( B )Nematode parasites
( C ) Viruses
( D ) Tapeworms
Answer-( A )
7. Which of the following is a freshwater
food fish ?
( A ) Harpodon
( B ) Cichina mrigala
( C ) Anguilla
( D ) Hilsa
Answer-( B )
8. Which species of honey bee in commonly domesticated and cultured?
( A ) Apis indica
( B ) Apis millipera
( C ) Apis dorsata
( D ) Apis florea
Answer-( A )
9. Workers of Honey bee are :
( A ) Fertile male
( B ) Sterile male
( C ) Fertile female
( D ) Sterile female
Answer-( D )
10. Honey is made by
( A ) male honey bee
( B ) queen honey bee
( C ) worker honey bee
( D ) Both (A) & (B)
Answer-( C )
11. Pisciculture is related culture of
( A ) Aquatic plants
( B ) Aquatic animals
( C ) Silk worm
( D ) Lac worm
Answer-( B )
12. Taichung is a variety of
( A ) Rice
( B ) Wheat
( C ) Maize
( D ) Sugarcane
Answer-( A )
13. An infertile plant hybrid can be made fertile by :
( A ) colchicine treatment
( B ) polyploidy
( C ) ganoson treatment
( D) all correct
Answer-( D )
14. The inbreeding between closely related organisms :
( A ) reduces variations
( B ) increases variations
( C ) reduces dominance
( D ) none
Answer-( A )
15. Somaclonal variations are :
( A ) Variations produced in tissue culture
( B ) Variations produced during sexual reproduction
( C ) Variations caused by mutagens
( D )Variations caused by gamma rays.
Answer-( A )
16. In Maize, hybrid vigour is obtained by :
( A ) Inducing mutations
( B ) Crossing two inbreed lines
( C ) Bombarding seeds with DNA
( D ) Harvesting seeds from most productive plants
Answer-( B )
17. Which of the following nematodes infect the root of tobacco plants?
( A ) Bacillus thuringiensis
( B ) Cry IAC
( C ) Meloidogyne incognita
( D ) Both A & B
Answer-( C )
18. The toxic protein secreted by Bacillus thuringiensis is
( A ) Tubulin
( B ) Insulin
( C ) Cry Protein
( D ) All of these
Answer-( C )
19. Green revolution is mainly concerned with :
( A ) Maize
( B ) Sugarcane
( C ) Fish
( D ) Wheat
Answer-( D )
20. Maize is generally rich in :
( A ) Thiamine
( B ) Lysine
( C ) Methionine
( D ) Cysteine
Answer-( D )
