STD 11 - 13. Plant growth and development — NEET STD 11 Science — Question

The cells in this zone, attain their maximal size in terms of wall thickening and protoplasmic modifications.

Under what condition, the upright pyramid of biomass becomes inverted

Identify the wrong statements for seed from given
(i) The embryo is made up of an embryonal axis and one cotyledons in gram and two cotyledons in pea.
(ii) The ovules after fertilisation, develop into seeds.
(iii) The seed coat has two layers, the outer testa and the inner tegmen.
(iv) The hilum is a scar on the seed coat through which the developing seeds were attached to the fruit.
(v) Seeds of castor is non-endospermic while seed of bean, gram and pea is endospermic

Membranous extensions in blue green algae are known as

Stored food in polysiphonia is

When an organ is transplanted and is rejected by the body, the lymphocytes responsible for it is:

A cap like region of slowly dividing or inactive cells in the middle of highly meristematic cells (between meristem and root cap) is

Floridian starch is reserve food in