Chemical Coordination and integration — BIOLOGY STD 11 Science — Question

Discuss with your teacher about: haploid insects and lower plants where cell-division occurs, and

Draw a labelled diagram of a mango fruit as seen in a V.S.

Which end of the polypeptide has the first amino acid and which end has the last amino acid? How are they referred to as, respectively?

Write two energy yielding reactions of glycolysis.

Lalit, student of class XI always likes to have junk food. His mother insists him to have fibre rich fruits and vegetables, because they are good for health. Lalit always ignored his mother's advise. One day, while his biology teacher was teaching about the digestive system and mechanism of digestion. She also explained about the food one should eat (Le., balanced diet) Lalit remembered his mother's advice and asked his teacher about the importance of fibre rich food in one's diet.

1. According to you, what is the advantage of having fibrous material in our food?
2. Name the term used to describe fibrous materials which is indigestible in nature.
3. Name any four fibre rich fruits.
4. What values are reflected through Lalit's character?

Write the functions of the following proteins- (i) Collagen, (ii) Trypsin, (iii) Insulin, (iv) Antibody, (v) Receptor.

What is the role of methanogens?

Differentiate between thalamus and hypothalamus.

What is the function of collecting duct in kidneys?

Why are blood, bone and cartilage called connective tissue?