STD 11 - 1. The living world — NEET STD 11 Science — Question

Which of the following tissues originate from ray initials of a cambium

Flowers are unisexual in

Seed dormancy is due to the

Statement I: The phloem fibre stores food material and other substances like resins, latex and mucilage.
Statement II: Bast fibres are made up of sclerenchymatous cells which generally absent in the secondary phloem but are found in the primary phloem.

For effective treatment of the disease, early diagnosis and understanding its pathophysiology is very important. Which of the following molecular diagnostic techniques is very useful for early detection?

Statement I: Codon is a triplet and it is read in a non- contiguous manner.
Statement II: Insertion or deletion of three or its multiple bases insert or delete one or multiple codon hence one or multiple amino acids, and reading frame remains unaltered from that point onwards.

Vascular bundles in dicot stem are

Synthesis of enzymes take place by

Fruit and leaf drop at early stages can be prevented by the application of

Capitulum is a modification of