Related InterviewSolutions

• The root of the plant is ……(i) positively phototropic but negatively geotropic (ii) positively geotropic but negatively phototropic (iii) negatively phototropic but positively hydrotropic (iv) negatively hydrotropic but positively phototropic(a) (i) and (ii) (b) (ii) and (iii) (c) (iii) and (iv) (d) (i) and (iv)
• Differentiate phototropism from photo nasty.
• Match column A with column BColumn AColumn B1.Roots growing downwards into soil(a) Positive phototropism2.Shoots growing towards the light(b) Negative geotropism3.Shoots growing upward(c) Negative phototropism4. Roots growing downwards away from light(id) Positive geotropism
• During respiration plants inhale ……. and exhale ……… (a) Nitrogen and Oxygen (b) Oxygen and Hydrogen (c) Oxygen and Carbon dioxide (d) Carbon dioxide and Oxygen
• Explain the movement seen in Pneumatophores of Avicennia.
• What is the difference between movement of flower in sunflower plant and closing of the leaves in the Mimosa pudical?
• A plant is kept in a dark room for about 24 hours before conducting any experiment on photosynthesis in order to ……(a) remove chlorophyll from the leaf (b) remove starch from the leaves (c) ensure that photosynthesis occurred (d) to prove transpiration
• The chemical reaction occurs during photosynthesis is ………(a) CO2 is reduced and water is oxidized (b) water is reduced and CO2 is oxidized (c) both CO2 and water are oxidized (d) both CO2 and water are produced
• Differentiate between tropic and nastic movements
• What is a food chain?