Nicotiana tabacum, a Short Day Plant, when exposed to more than critical period of light fails to flower. Explain.

Plant requireing exposure to light for less than critical period in order to flower is called:

‘Both a short day plant and a long day plant can produce flower simultaneously in a given place’. Explain.

Short day plants are truly long night plants. Explain.

When a ammeter is put in a circuit, does it read slightly less or more than the actual current in the original circuit? Explain.

When a voltemeter is put across a part of the circuit, does it read slightly less or more than the original voltage drop across the part? Explain.

The dimensional analysis fails to derive the relation involving more than three independent factors. Explain why.

Some varieties of wheat are knows as spring wheat while other are called winter wheat. Former variety is sown and planted in spring and it harvested by the end of the same season. However, winter varieties, if planted in spring, fail to flower or produce mature grains within a span of a flowering seasons. explain, why?

Explain how it is possible that a short day plant and a long day plant frowing in the same location could flower on the same day of the year.

The probability of fruit set in a self pollinated bisexual flower of a plant is far greater than a dioceous plant. Explain.