Only healthy food cannot maintain proper health____Justify it.

Define health. Write the functions of food. Discuss the relation between food and nutrition to maintain good health.

A liquid in an open vessel cannot remain in equilibrium with its vapour. Justify.

Toadstools cannot manufacture their food because they

Consider the following statements 1. Xylem vessels are semi-permeable 2. Sieve tubes translocate only solutes 3. Xylem vessels do not have a turgor pressure 4. Companion cells help in maintaining pressure gradient in the sieve tubes . Which of the statements given above are correct ?

Show the pathway of glycolysis by a flow chart only (mention ATP,NADH number of each step. Name of enzyme in each step is not mandatory). 'Glycolysis is the common phase of aerobic and anaerobic respiration' - Justify.

Go through the following Statements (i) A trophic level represents one species (ii) Pyramid of energy can never be inverted (iii) Ecological pyramids hold true only for simply food chains (iv) Saprophytes are included in the lower most bar in an energy pyramid Choose the best options regarding them

What are the objectives of cooking? Write down the safety measures to be taken for maintaining nutritive values of food during cooking.

E. colicells with a mutated z gene of the lac operon cannot grow in medium containing only lactose as the source of energy because

An object falling from rest in air is subject not only to the gravitational force but also to air resistance. Assume that the air resistance is proportional to the velocity with constant of proportionality as k >0 , and acts in a direction opposite to motion (g=9. 8 m/(s^2))dot Then velocity cannot exceed. ( a ) 9.8/k" "m//s (b) 98/k" "m//s (c) k/9.8 m/s (d) None of these

The certification marks sheme implemented by the Govet. Of India to maintain the standard of food is