Cucumber is an example of:
Day neutral plants
Long day plants
Short day plants
Short night plants
Shedding of leaves, flowers or fruits due to change in the hormonal balance is called:
Ageing
Senescence
Abscision
Drying
The light sensitive seeds are called:
Photoblastic seeds
Holoblastic seeds
Both a and b
Phototropic seeds
The movement of pollen tube from stigma to micropyle is an example of:
Thigmotropic
Geotropic
Chemotropic
Hydrotropic
The term vernalization was first used by?
Lysenko
Klippart
G. Melchers
Boysen
Which instrument is used to measure growth rate in plants?
Potometer
Auxanometer
Hygrometer
Spectrometer
Which of the following is the streaming movement of protoplasm around the vacuole in a plant cell?
Gliding
Ciliary
Amoeboid
Cyclosis
The term vitamin was introduced by:
Casimir Fund
F.W. Went
Smit
Denney
The paratonic movement of locomotion in response to chemical stimulus is called:
Phototaxis
Chemotaxis
Thermotaxis
Nastic movement
The movement of fungal hyphae towards the nutrients is an example for:
Thigmotropic movement
Chemotropic movement
Geotropic movement
Hydrotropic movement