Respiration and Energy Transfer — Biology STD 11 Science — Question

A person visited a pediatrician with his one-year old child complaining about the child’s weight loss and diarrhoea. The doctor examines the child and finds that his limbs have become thin, the skin has become dry as well as thin and wrinkled but there is no oedema on the body.
From this information answer the following questions:
i. Which disease child is suffering from?
ii. What is the probable reason for the disease?
iii. What would be the remedies and diet suggested by the doctor?

Give a list of aerial adaptations shown by birds.

Enlist the characters of living organisms.

Which are the two reactions involved in the process of photosynthesis.

Is the meiosis responsible for evolution? Justify your answer.

Explain how angiosperms are classified into different types based on habitat.

Define compound leaves. Explain its two types.

Write information about the instrument which is used for observing smaller organisms or cells.

What is concentric vascular bundle?

Less energy is produced during anaerobic respiration that in aerobic respiration. Justify.