Growth and Development in Plants Set 4
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This set of Biology Multiple Choice Questions & Answers (MCQs) focuses on Growth and Development in Plants Set 4
Q1 | What is the rate of respiration during seed germination ?
- Slow
- Steady
- Rapid
- Zero
Q2 | Which of the following group show viviparous germination ?
- Rhizophora and Avicinnia
- Orchid and Rhizophora
- Maize and Bean
- Soyabean and Xanthium
Q3 | Which of the following is found in high concentration in healthy leaf ?
- Cytokinin
- Gibberrelin
- Auxin
- Ethylene
Q4 | From the given below which is short-day plant ?
- Paddy
- Wheat
- Oat
- Opium
Q5 | Which of the following is long-day plant ?
- Oat
- Soyabean
- Vinca
- Paddy
Q6 | Vernalization means..............
- Growth Graph
- Flowering at high temperature
- Effect of light on growth
- Speedy flowering at low temperature
Q7 | Flowering due to low temperature is .........
- Thermonasty
- Vernalization
- Nutation
- Photonasty
Q8 | If temporary light is made available for dark phase of long day plant, what is observed ?
- Flowering will not occur
- Increase in flowering
- Decreasing in flowering
- No change
Q9 | Which is an essential temperature for more production of wheat by noting effect of low temperature ?
- °1to 20 C
- °28to30 C
- °1to10 C
- °25to30 C
Q10 | By which condition flowering take place in short day plant ?
- Short day and long night
- Short day and short night
- Short night
- Long day and short night
Q11 | Which type of light is required in long day plants for flowering ?
- Red light
- More light than alloted period
- Less light than alloted time period
- All of the given
Q12 | Where is phytochrome pigment present ?
- Fungi
- Algae
- Bryophyta
- Phanerogams
Q13 | Which physilogical reaction is essential for development leaftendril ?
- Curvature
- Nastism
- Circumnutation
- Tropism
Q14 | Photoperiodism is .........
- Time table of day-night based on light
- Flowering plant
- Effect of length of day on flowering
- Irregular growth based on light
Q15 | Which hormone is essential in pineapple for inducing flowering, without season ?
- Ethylene
- Zeatin
- Abscisic acid
- NAA
Q16 | Which of the following plant shows rotational movement ?
- Volvox
- Chlamydomonas
- Hydrilla
- Mucilagenous fungi
Q17 | Which of the following is example of amoeboid movement ?
- Algae
- Fungi
- Gamates of bryophyta
- Hydrilla
Q18 | Which of the following option shows an examples of cilliary movement ?
- Zoo spores and Bryophyta
- Chlamydomonas
- Slime mould
- All the three a, b, c
Q19 | Which plant show movement from intense light to dim light ?
- Volvox
- Lotus
- Hydrilla
- Plankton
Q20 | Which of the following show movement by chemical ?
- Male gametes of bryophytes and pteridophytes
- Male gamets of fungi and algae
- Male gametes of gymanosperm and and angiosperms
- Flower of tulip and croccus
Q21 | Which of the following is an example of thermonasty ?
- Lotu
- Crocus
- Mimosa
- Sunflower
Q22 | In which structure thigmonasty is observed in simple form ?
- Leaf apex
- Shoot apex
- Root apex
- Leaf tendril
Q23 | Demonstration of cytoplasmic movement in living cell can be observed in ........
- Onion cell
- Medullary cells
- Leaf cells of tradescantia
- Cells of vascular bundle
Q24 | Which factor increases in plant in absence of light ?
- Availability of water, increases ascent of sap.
- Availability of mineral ion, increases mineral nutrition
- Area of leaf-blade increase, rate of transpiration increases.
- Length of internode increases, growth of plant in longitudinal axis.
Q25 | Sensitivity of leaves in Mimosa, depends on which factor ?
- Temperature
- Light
- Water
- Touch