Plant Growth and Development MCQ/Objective questions Chapter 15 Biology
The first step of plant growth starts with
- a. Seed formation
- b. Germination
- c. Root formation
- d. Shoot formation
Short-lived haploid gametophyte state is followed by prominent diploid sporophyte because
- a. Spore production requires a large amount of energy
- b. Gamet production requires a lot of energy
- c. Gamet production require lesser energy
- d. None
Which type of metabolic process is Growth?
- a. Anabolic
- b. Catabolic
- c. Both
- d. None
During seed germination Hypocotyl transform into
- a. Root
- b. Shoot
- c. Leaf
- d. Rhizome
A zygote dives in which fashion?
- a. Arithmetic
- b. Linear
- c. Geometric
- d. Exponential
Most of the plants and plant organs growth follows which pattern
- a. Bell
- b. Sigmoid
- c. Exponential
- d. None
Which of the following is a product of dedifferentiation?
- a. Inter-fascicular cambium
- b. Cork cambium
- c. Tail of lizards
- d. All of the above
The process through wilch older leaves transfer nutrients and minerals to young leaves and fall down is:
- a. Differentiation
- b. Dedifferentiation
- c. Senescence
- d. Growth
Which among these is a plant growth regulators
- a. Auxins
- b. Gibberellins
- c. Abscisic acid
- d. All three
Which plant hormone is responsible for phototropism in plants stem
- a. Auxin
- b. Gibberellin
- c. Cytokinin
- d. Ethylene
One among these plant growth regulator increase cell division
- a. Auxin
- b. Gibberellin
- c. Cytokinin
- d. Ethylene
If a seed is put with this hormone, it will not germinate:
- a. Ethylene
- b. Abscisic acid
- c. Cytokinin
- d. Auxin
Which among these is not an example of auxin
- a. Indole acetic acid
- b. Indole butyric acid
- c. 2, 4-D
- d. Naphthalene acetic acid
- e. Glacial acetic acid
Which hormone is responsible for apical dominance
- a. Auxin
- b. Gibberellin
- c. Cytokinin
- d. Ethylene
Apical dominance is inhibitory role of auxin to the
- a. Apical bud
- b. Lateral buds
- c. Both
- d. None
Which hormone can produce parthenocarpic fruit (fruit without seed)?
- a. Auxin
- b. Gibberellin
- c. Cytokinin
- d. Ethylene
Hormone that cause delayed senescence is
- a. Auxin
- b. Ethylene
- c. Abscisic acid
- d. Gibberelin
2,4,d induces parthenocarpy only in
- a. Monocot
- b. Dicot
- c. Both
- d. None
A ripened watermelon ripens nearby watermelon. Which plant hormone is responsible for this phenomenon?
- a. Auxin
- b. Gibberellin
- c. Cytokinin
- d. Ethylene
The requirement of specific amount of light for specific period for flowering is:
- a. Phototropism
- b. Vernalisation
- c. Photoperiodism
- d. None
Which of the following show photoperiodism
- a. Oats
- b. Wheat
- c. Pea
- d. Barley
- e. All of the bove
Identify the Long day plants from the image
- a. A
- b. B
- c. C
- d. None
Some plants require the specific temperature for specific duration for flowering. This phemenon is termed:
- a. Phototropism
- b. Vernalisation
- c. Photoperiodism
- d. None
Which hormone is used to elongate apples and delay its ripening
- a. Auxin
- b. Gibberellin
- c. Abscisic acid
- d. Ethylene
See also:
Photosynthesis in Higher Plants MCQ
Plant Growth and Development MCQ/Objective questions Chapter 15 Biology
