The feature of the xerophytic plant leaves are
(I) Leathery surface
(II) Large surface area
(III) Waxy cuticle
(IV)Sunken stomata on upper epidermis

Which of the following are correct for conifers ? I. Needle - like leaves to reduce surface area. II. Thick cuticle on leaves. III. Sunken stomata to reduce water loss. IV. The main plant body is gametophyte.

Assertion : In lotus metabolism is hindered when the leaves are coated with wax on upper surface. Reason : In lotus, stomata are present on upper epidermis, so that if leaves are coated with wax on upper surface, stomatal transpiration will not occur.

The epidermis in a dorsiventral leaf (a) Covers both adaxial and abaxial surfaces (b) Is not covered by cuticle ( c) Bears more stomata on the upper side (d) May even lack stomata on the upper side Which of the above statements are correct?

The epidermis in a dorsiventral leaf (a) Covers both adaxial and abaxial surfaces (b) Is not covered by cuticle ( c) Bears more stomata on the upper side (d) May even lack stomata on the upper side Which of the above statements are correct?

Floating leaves possess stomata on the upper surface found in

Find (i) the curved surface area and (ii) the total surface area of a hemisphere of radius 21cm.

The needle like leaves, reudced surface area, thick cuticle and sunken stomata are the charatceristic feature of the which group of plants :