MCQ’S ON TISSUE CULTURE
1. Which of the following statement is incorrect about agar?
(a) Remains stable at incubation temperature
(b) Does not react with media constituents
(c) Does not use in micropropagation work
(d) Not digested by plant enzymes
Answer: (c)
2. In tissue culture system, this is the main effect of cytokines
(a) shoot elongation
(b) adventitious root formation
(c) induction of somatic embryos
(d) adventitious shoot formation
Answer: (d)
3. This is not a basic component of culture media for plant cultivation
(a) amino acids
(b) sucrose/sugar
(c) a complex mixture of salts
(d) serum albumin
Answer: (d)
4. Which of the following plant propagation method uses girdling?
(a) cuttings
(b) grafting
(c) layering
(d) both (a) and (b)
Answer: (c)
5. The ability of single cells to divide and produce all differentiated cells in the entity.
(a) Totipotency
(b) Multipotent
(c) Pluripotent
(d) Unipotent
Answer: (a)
6. Which of the following is the first transgenic crop?
(a) flax
(b) tobacco
(c) plastic
(d) cotton
Answer: (b)
7. Which of the following is not a feature of plant cells?
(a) Consists of plastids
(b) Cell wall outside the cell membrane
(c) Presence of centrioles
(d) Cell-cell communication through plasmodesmata
Answer: (c)
8. Which of the following is a superbug?
(a) virus
(b) bacteria
(c) transgenic plant
(d) worms
Answer: (b)
9. This is a cellular totipotency property.
(a) plants
(b) animals
(c) virus
(d) none of the above
Answer: (a)
10. Growth of plant tissues in artificial media is called _______.
(a) cell hybridization
(b) plant tissue culture
(c) transgenesis
(d) gene expression
Answer: (b)
