Q.31)-Dormancy period of animals during winter season is called
- Aestivation
- hibernation
- Regeneration
- Mutation
Q.32)-Yellow spots on citrus leaves is due to the deficiency of
- zinc
- Magnesium
- Boron
- Iron
Q.33)-A seed germinate in the absence of
- Adequate light
- Supply of oxygen
- Suitable moisture
- Suitable temperature
Q.34)-Excess amount of absorbed water by plants is liberated out by
- Evaporation
- Osmosis
- Diffusion
- Transpiration
Q.35)-The red, orange and yellow colours of leaf's due to
- Aldehydes
- Tannis
- Lignins
- Carotenoid
Q.36)-Which of the following is not an insectivorous plant
- Nepenthes
- Utricularia
- Droseara
- Cuscutta
Q.37)-Which of the following is an insectivorous plant
- Balanophora
- Rafflesia
- Orobanche
- Drosera
Q.38)-Seed dormancy is regulate by
- Abscisic acid
- Gibberellic acid
- Indole acetic acid
- Ethylene
Q.39)-Membrane lipids of chill sentitive plants contain
- Low proportion of saturated fatty acids
- Low proportion of unsaturated fatty acids
- Equal proportion of saturated unsaturated fatty acids
- High proportion of unsaturated fatty acids
Q.40)-The curcumin is isolated from
- Garlic
- Turmeric
- Sunflower
- Rose flower