Q. If herbaceous stem loose its turgidity, it may

View solution

Q. Commercial cork is obtained from bark of a tree like

View solution

Q. An organic substance which hardens secondary cell wall is usually impregnated with

View solution

Q. Opening of bud is achieved when leaf in bud condition shows more

View solution

Q. Molluscan body possess

View solution

Q. Procuticle is further hardened by

View solution

Q. Flowers of plant which close at night due to rapid growth in lower side is

View solution

Q. Word tropic is a Greek word in which 'Tropos' mean

View solution

Q. The plant can be de starched in

View solution

Q. Carbon dioxide (CO₂) is reduced to carbohydrate (CₙH₂ₘOₘ) through

View solution

Q. Light absorbed by chlorophyll is converted into

View solution

Q. First stable form of carbohydrates (CₙH₂ₘOₘ) formed in photosynthesis is

View solution

Q. For many autotrophic organisms, an essential source of energy is

View solution

Q. Upon dissolving sodium hydrogen carbonate (HCO₃⁻) in water (H₂O), the gas given off is

View solution

Q. During darkness in plants

View solution

Q. Plants may have excess of

View solution

Q. With an increase in seed size upon germination, the dry mass of seeds

View solution

Q. No matter how favorable the environmental conditions are, the seeds do not germinate if the

View solution

Q. Dormant seeds are usually

View solution

Q. Germination of 101 years old seeds, was observed in

View solution