PART - 1 - Unit I : CH - 1 The Living World — BIOLOGY STD 11 Science — Question

The most distinctive character of sponge is

Who coined the term 'Kinetin'?

In a plant, the peduncle is elongated and it bears pedicillate flowers. The older flowers lie towards the base and the younger ones near the apex. The growth of the peduncle continues and more flowers are added. The inflorescence is

Assertion : During physiology of excretion, deamination does not take place in liver.
Reason : Deamination is a process to make use of excess of amino acids which cannot be incorporated into protoplasm.

In which of the following pair of category, greater is the difficulty of determining the relationship to other taxa at the same level, thus the problem of classification becomes more complex?

Body co-ordination is exhibited by

Storage bodies, pyrenoids in the chloroplast contain

Aestivation of corolla in Pea is

Platyhelminthes are also called

The following substances are the excretory products in animals. Choose the least toxic form among them.