NEET Botany Plant Growth and Development Class 11 Questions

Match the following phytohormones with their applications and choose the correct option.

Auxin was first isolated by

Arrange the following phases during developmental process in a plant cell in correct sequence and choose the correct option. senescence (A), death (B), maturation (C), plasmatic growth (D), meristematic cell (E)

Growth is measured in terms of its length in case of

In most higher plants, the growing apical bud inhibits the growth of the lateral buds, this phenomenon known as

Exponential growth can be expressed as :

Math the following :

In the light of given statements, choose the correct answer from the options given below.

Statement I: In tomatoes, parthenocarpy can be induced by auxins.

Statement II: Abscission of older mature leaves is promoted by auxins.

What characterizes the meristematic zone during the phase of elongation?

What type of chemical compounds are plant growth regulators (PGRs)?

What type of growth is characterized by the increase in the girth of plant organs?

Which of the following is an example of a plant growth regulator that promotes cell division?

What type of growth is characterized by one daughter cell continuing to divide while the other differentiates?

What defines growth in plants?

Which of the following is considered a plant growth regulator (PGR)?

Which phase of growth is characterized by increased vacuolation, cell enlargement, and new cell wall deposition?

What is the phase of growth characterized by increased vacuolation, cell enlargement, and new cell wall deposition?

Which method can help overcome seed dormancy by breaking the seed coat barrier?

What is one method to overcome seed dormancy?

What is one method to overcome seed dormancy mentioned in the NCERT context?

Which phase of growth is characterized by increased vacuolation, cell enlargement, and new cell wall deposition?

Which phase of plant growth is characterized by increased vacuolation, cell enlargement, and new cell wall deposition?

Which of the following plant growth regulators was identified and crystallized by Miller and his co-workers in 1955?

Which plant growth regulator was identified as the active substance causing the symptoms of the 'bakanae' disease in rice seedlings?

Which plant growth regulator was identified as the active substance responsible for the symptoms of the 'bakanae' disease in rice seedlings?

Which method can be used to overcome seed dormancy caused by the seed coat barrier?

Which of the following methods can help overcome seed dormancy caused by the seed coat barrier?

Which of the following is NOT a method to overcome seed dormancy?

What is the term used to describe the irreversible permanent increase in size of an organ or its parts in plants?

What characterizes the phase of maturation in plant growth?

Which of the following substances is identified as a plant growth regulator that promotes cell division?

What is the term used to describe the ability of plants to form different kinds of structures in response to environmental factors or phases of life?

Which of the following is a characteristic of plant growth regulators?

What defines the phase of maturation in plant growth?

What is one method to overcome seed dormancy as mentioned in the NCERT context?

Which of the following is classified as a natural plant growth regulator?

Which of the following methods can help overcome seed dormancy caused by inhibitory substances?

What is one method to overcome seed dormancy mentioned in the NCERT context?

Which combination of statements accurately describes the phases of growth in plants?

Which of the following statements regarding the phases of plant growth is correct?

Which of the following statements about plant growth phases is correct?

Which of the following statements about plant growth regulators (PGRs) is correct?

Which of the following statements about the phases of growth in plants is correct?

Which of the following statements about plant growth regulators is correct?

Which of the following statements about seed dormancy is correct?

Which of the following statements about plant growth regulators (PGRs) is correct?

Which of the following statements about seed dormancy is correct?

Which of the following statements about the phases of growth in plants are correct?

Which of the following combinations correctly describe characteristics of plant growth phases?

Which of the following statements about the phases of growth in plants is correct?