21. The hybridization to obtain higher level of protein and minerals is..........
22. Which statement is improper for intraspecific hybridization.
A. Animals of two different species are interbreed.
B. The offspring show characters quite different form those obsreved in both parents.
C. In some cases fertility of offsprings gradually discreases.
D. Some times, the offsprings may posess all the desirable characters.
Answer : Option C
23. Which genetically engineered technique is used to reduce enviornmental pollution to solve human nutrition problem.
A. Single cell protein.
B. Biofortification.
C. Bio gas production.
D. Pasturization.
Answer : Option A
24. The plant tissue or organ that produce callus by division is called.......
25. In which plant the seeds do not contain stored food ?
Statement A : Thousands of years ago agriculture began
Statement B : At the same time animal husbandary, dairy farming, poltry & fisheries
developed.
Which statement is correct for statement A and reson R.
A. Both A and R are correct R is the correct explanation of A.
B. Both A and R are correct, but R is not correct explanation of A.
C. A is correct and R is wrong.
D. A is wrong and R is correct.
Answer : Option C
27. Which statement is true for the researches carried out at the IVRI.
A. In india little attendance has been paid for developing poultry industry in comparision to other countries.
B. High biological value of eggs is recommended the consumption of eggs.
C. Poultry keeping has become small scale industry for palatable and nutritive food which it provides in the form of eggs as well as adult animals.
D. In India poutry farms development is necessary.
Answer : Option B
Which statment is improper for honey ?
(1) Used of honey is mentioned in our prehistoric religious literatares.
(2) Honey fluid formed form the glands of the stomach of worker honey bee.
(3) Male honey bee are responsible for only breeding.
(4) Honey and bee’s wax are used to manufacture of paints, polish etc.
(5) It is the product mutually produced by plant and honey bee.
29. Which group is for common fresh water fishes.
A. Rohu, mrigal, catia
B. Catla, rohu, mackerel
C. Mrigal, mackerel, pomfrets
D. Major carp, hilsa, sardin
Answer : Option A
30. Through plant tissue cultare growing the cell, tissue and organ in culture medium is called........
A. Toti potency
B. Stored food
C. Inter specific hybridization
D. Dormancy
Answer : Option A