Observe the following a, b statements.
a) Abscisic acid prevents seed dormancy
b) Gibberllin promotes seed dormancy.

Write short notes on seed dormancy.

Write a short note on seed dormancy.

Observe the following a,b statements a) Nastic movements are the movements by plants shown by stimuli. b) Trophic movements can determine the direction of stimuli

Observe the following statements. a) All living cells of an organism perform respiration, b) Respiration is a catabolic process.

Observe the following reactions and predict the nature of A and B

Observe the following a, b statements. Teeth help in chewing and grindiing the food. Tongue mix the food with saliva and spread out the food evenly in the oral cavity.

Observe the following a and b statements. All the family members have identical characters. Differences in character within very closely related groups of organisms are referred to as variation.

Observe the following a and b statements : The number of organisms decrease as e move from producers to consumers. The consumers are placed in the front position in a food chain.

Observe the following statements. a) Right atrium received deoxygenated blood from body parts.b) Pulmonary vein carries oxygenated blood to the left atrium