PLANT SCIENCE BIOTECHNOLOGY QUESTION

PLANT SCIENCE BIOTECHNOLOGY QUESTION

This biotechnology quiz is designed to assess your basic knowledge in ‘Plant Tissue
Culture’. Questions come under ‘medium’ category. Choose the best answer from the
four options given. When you’ve finished answering as many of the questions as you
can, scroll down to the bottom of the page and check your answers by clicking ‘Get
score’. Percentage score will be displayed along with right answers.

1. Totipotency means

flowering in culture medium
development of fruit from a flower in a culture
development of an organ from a cell in culture medium
all of these

2. Haploid plants can be obtained from

bud culture
leaf culture
root culture
anther culture

3. In tissue culture medium, the embryoids formed from pollen grains is due to ?

cellular totipotency.

organogenesis
double fertlization
test tube culture

4. In plant tissue culture, which of the following shows totipotency?

meristem
sieve tube
xylem vessel
collenchyma

5. In tissue culture of parenchyma, mitosis is accelerated in the presence of.

auxin only
cytokinin only
auxin and cytokinin
auxin and gibberellin

6. In plant tissue culture, the callus tissues can be regenerated into complete plantlets
primarily by altering the concentration of.

sugars
vitamins
amino acids
hormones

7. A major application of embryo culture is in

clonal propagation
production of embryoids
overcoming hybridization barriers
induction of somaclonal variations

8. The problem of necrosis and gradual senescence while performing tissue culture can
be overcome by.

spraying auxins
spraying cytokinins
suspension culture
subculture

9. The final stage in the tissue culture program before the new plants are taken out
for cultivation in the fields is known as.

hardening
micropropagation
caulogenesis
embryogenesis

10. The somaclonal variation appears in plants

growing in polluted soil or water
exposed to gamma rays
raised in tissue culture
transformed by recombinant DNA technology

Answer

1. development of an organ from a cell in culture medium
2. anther culture
3. cellular totipotency
4. meristem
5. auxin and cytokinin
6. hormones
7. overcoming hybridization barriers
8. spraying cytokinins
9. hardening
10. raised in tissue culture