SUGGESTED ACTIVITIES – CURIOSITIES TO ANSWER
Both wind and water pollinated flowers are not very colourful and do not produce nectar. Why it is so?

SUGGESTED ACTIVITIES – CURIOSITIES TO ANSWER Name few flowers used in social and cultural celebrations in India.

SUGGESTED ACTIVITIES – CURIOSITIES TO ANSWER List few flowers of ornamental value that are commonly cultivated at homes and in gardens.

SUGGESTED ACTIVITIES – CURIOSITIES TO ANSWER Study pollen germination by dusting some pollen from flowers like Pea, Chick pea, Crotalaria, Balsam and Vinca on a glass slide containing a drop of 10% sugar solution. Examine the appearing pollen tubes under low power of microscope.

Why do the oil films on the surface of water appear to be coloured?

QUESTIONS FROM STATE BOARD EXAMINATIONS : Which of the following mostly pollinate brightly coloured flowers having fragrance and nectar?

Cut pieces of beetroot do not leave colour in cold water but do so in hot water. Explain.

Short Answer Questions Three mark Each QUESTION FROM STATE BOARD EXAMINATIONS (a)Write the characteristic features of anther, pollen and stigma of wind pollinated flowers. (b) How do flowers reward their insect pollinators? Explain.

On germination a seed first produces shoots with leaves, flowers appear later. Why do you think this happens?