Select the true statement

A bubble of air released by a diver at the bottom of a pool of water become large as it approaches the surface of the water . Assume the temperature is constant and select the true statement. The pressure inside the bubble is

A bubble of air released by a diver at the bottom of a pool of water become large as it approaches the surface of the water . Assume the temperature is constant and select the true statement. The pressure inside the bubble is

Select true statement // feature for majority of the pteridophytes.

Select true statement // feature for majority of the pteridophytes.

Select true statements - (A) Jute, flax and hemp are commercial fibres (B) Cuticle is absent in roots (C) The trichomes in the shoot system are usually multicellular.

Consider the following statements regarding bilogical classification (A)Manuals and Monographs are used to disseminate information among taxonomists. (B)Actual specimens are used in herbarium, museum, botanical garden and zoological parks Select true statement :

Select true statements - (A) Phloem fibres are generally absent in the primary phloem. (B) Root hairs help in absorption of water and minerals from the soil (c ) Trichome help in preventing water loss due to transpiration.