Plant Growth and Development Study Notes

What happens when the apical bud of a plant is removed?

Gibberellic acid can induce flowering in which type of plant?

Which plant hormone is primarily involved in inducing morphogenesis in plant tissue culture?

Which hormone is known to break dormancy in potato tubers?

What is a primary use of ethylene in agriculture?

What plant hormone is present in high amounts in coconut water?

Which hormone can overcome the effect of apical dominance?

Why are apples generally wrapped in waxed paper?

Which of the following can be used as parameters to measure plant growth?

What is meant by the synergistic action of hormones?

Which hormone is sprayed on sugarcane to increase sugar production?

Which statement is TRUE about abiotic stresses?

What are the major abiotic factors that determine the types of plants that can grow in an ecosystem?

What force primarily prevents plant roots from growing upwards?

What is the term for a plant's directed growth or movement in response to a specific stimulus, such as light, gravity, water, or contact?

What is the term for a plant's growth or movement in response to gravity?

Why does a plant growing in partial shade tend to grow with all of its leaves on one side?

What is the term for the response that helps aerial plants find water vapor in the humid air?

What happens to the stem of a plant grown upside-down?

What is the term for a plant's bending or growth in response to light?

What changes would Jean Claude most likely observe in flower bulbs grown in a warm, heated room compared to those in a refrigerator?

Which term refers to the substances that regulate plant growth and development?

What is the primary driver of growth in plants?

In which plant was auxin first discovered?

Which of the following is a synthetic auxin and not naturally occurring?

Which amino acid is essential for the biosynthesis of auxin?

What role does gibberellin play in plant development?

Which hormone is primarily responsible for delaying leaf senescence?

What physiological response is associated with a sudden increase in ethylene during banana ripening?

What controls the differentiation of shoot in plants?

Which of the following is classified as a gaseous plant hormone?

What type of movement is exemplified by tendrils wrapping around a support?

A plant is said to be etiolated when it shows which of the following characteristics?

What apparatus is commonly used to demonstrate phototropism?

Most leaves and flower buds open due to which phenomenon?

Which of the following movements is a good example of chemotropism?

What is the term for the movement of clover leaves closing during the night?

Thigmotropism in plants is a response to which stimulus?

Phototropic movements in stems are primarily due to which factor?

What is the primary cause of geotropic responses in roots?

What hormone promotes seed germination in plants?

What is the consequence of cutting or excising leaves and inducing rooting?

What is the reason for the leaves of trees changing color and eventually falling off during winter?

What causes the roots of a plant to grow downward when it is turned?

In Rachel's experiment on tomato fertilizers, what serves as the control?

What phenomenon describes how certain plants lose their leaves due to drought conditions?

What plant growth regulator can be applied to increase female flowers in cucumber plants?

Which hormone is commonly known to promote flowering in long day plants?

What can result when a short-day plant like Nicotiana tabacum is exposed to more than the critical period of light?

How are hormones in plants typically translocated to their site of activity?

What is parthenocarpy in plants and which hormone is commonly used to induce it?

What is the adaptive significance of some varieties of wheat being sown in autumn?

Which segment of the sigmoid growth curve represents the phase of rapid growth?

What is the primary reason some plants do not grow indefinitely?

Which gas is considered a plant hormone and is involved in various plant processes?

What is a common challenge a gardener faces with broad-leaved dicot weeds?