Write short notes on :
(a) Biological significance of lipids
(b) Maltose
(c) Purines and pyrimidines
(d) Peptide bond
(e) Glycosidic linkage
(f) Asymmetric carbon atom

Write short notes on the following: (a) Stolon (b) Leaf tendrils (c) Cladode (d) Phyllode

Write the short notes on the following: (a) Bulliform cells (b) Velamen (c) Periderm (d) Ring porous wood (e) Open vascular bundle (f) Intercalary meristems

Write short notes on : (a) Goblet cell (b) Cardiac muscle (c) Neuron (d) Mast cell (e) Stratified epithelium (f) Holocrine gland (g) Adipose tissue (h) Lymph

Write short notes on the following a) Micropropagation (b) Bryop/zijllum (c) Vegetative reproduction (d) Grafting

A bond which is formed between aldehyde or ketone group of monosaccheride and alcoholic group of another organic compound is known as (a) Peptide bond (b) glycosidic bond (c) phosphodiester bond (d) Ester bond

Which of the following does not confer stability to the helical structure of DNA ? (a) Phosphodiester bond (b) H-bond (c) N-glycosidic linkage (d) More than one option is correct.

Write the names of the elements present in the following compounds. (a) Common salt (b) Ammonia (c) Sulphuric acid (d) Glucose (e) Sodium hydroxide (f) Acetic acid

Write short notes on: {:("(a) Diffusion pressure deficit", "(b) Plasmolysis"),("(c) Root pressure","(d) Water potential"), ("(e) Guttation", "(f) Osmosis"), ("(g) Diffusion pressure", "(h) Turgor pressure"), ("(i) Diffusion", "(j) Imbibition"):}

Write a short note on : (a) Adaptations of desert plants and animals (b) Adaptations of plants to water scarcity (c) Behavioural adaptations in animals (d) Importance of light to plants (e) Effect of temperature or water scarcity and the adaptations of animals.

Write the chemical formulae of the following. (a) Magnesium chloride (b) Calcium oxide (c) Copper nitrate (d) Aluminium chloride (e) Calcium carbonate.