OBJECTIVE LIFE SCIENCE
DIVERSITY AMONG LIFE FORMS
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
photosynthesis
|
|
a suitable environment
|
|
cellular respiration
|
|
oxygen
|
Detailed explanation-1: -Most people are familiar with the term hibernation, a state of dormancy that endotherms, or warm-blooded animals, do. The body temperature, heart rate, breathing rate and metabolic rate of the animal slows down during the winter months. This occurs so the animal can conserve energy and survive during the cold months.
Detailed explanation-2: -Mechanical Scarification. Hot Water Scarification. Drop into hot water (77 to 100oC), remove from heat, allow to cool and soak for 24 hours. Acid Scarification. Seeds, in small batches, are brought into contact with 93% Technical Grade sulphuric acid. Warm Moist Scarification. More items
Detailed explanation-3: -Seed coats impermeable to water. Seeds coats impermeable to oxygen. Immaturity of the Embryo. Germination Inhibitors. Chilling or low temperature requirement. Light sensitive seeds. 28-Dec-2011