Top 150+ Solved Growth and Development in Plants MCQ Questions Answer
Q. Vernalization means..............
a. Growth Graph
b. Flowering at high temperature
c. Effect of light on growth
d. Speedy flowering at low temperature
Q. Flowering due to low temperature is .........
a. Thermonasty
b. Vernalization
c. Nutation
d. Photonasty
Q. If temporary light is made available for dark phase of long day plant, what is observed ?
a. Flowering will not occur
b. Increase in flowering
c. Decreasing in flowering
d. No change
Q. Which is an essential temperature for more production of wheat by noting effect of low temperature ?
a. °1to 20 C
b. °28to30 C
c. °1to10 C
d. °25to30 C
Q. By which condition flowering take place in short day plant ?
a. Short day and long night
b. Short day and short night
c. Short night
d. Long day and short night
Q. Which type of light is required in long day plants for flowering ?
a. Red light
b. More light than alloted period
c. Less light than alloted time period
d. All of the given
Q. Which physilogical reaction is essential for development leaftendril ?
a. Curvature
b. Nastism
c. Circumnutation
d. Tropism
Q. Photoperiodism is .........
a. Time table of day-night based on light
b. Flowering plant
c. Effect of length of day on flowering
d. Irregular growth based on light
Q. Which hormone is essential in pineapple for inducing flowering, without season ?
a. Ethylene
b. Zeatin
c. Abscisic acid
d. NAA
Q. Which of the following plant shows rotational movement ?
a. Volvox
b. Chlamydomonas
c. Hydrilla
d. Mucilagenous fungi
Q. Which of the following is example of amoeboid movement ?
a. Algae
b. Fungi
c. Gamates of bryophyta
d. Hydrilla
Q. Which of the following option shows an examples of cilliary movement ?
a. Zoo spores and Bryophyta
b. Chlamydomonas
c. Slime mould
d. All the three a, b, c