Plant Growth and Mineral Nutrition Mocktest MHT-CET 2023

Abscisic acid is also called as

Which hormone is called stress hormone

Abscisic acid(ABA) promotes

The influence of light on flowering is known as

Photoperiodism was discovered in Maryland  mammoth variety of____ plant.

A chemical believed to be involved in  flowering is

Photoperiodic stimulus is perceived by

Phytochromes are active in

Vernalization is also called as

Vernalization shortens the ____ phase of plants

Highest concentration of auxin exist

Pruning makes the hedge plant dense because

Seedless grapes are produced by

For rooting on leaves of Bryophyllum, the growth regulator used is

Specific property attributed to gibberellins is

Physiological function not influenced by ABA is

In plants like cabbage, wheat and poppy when long dark period is interrupted by a brief flash of light

The Avena curvature is use for bioassay of

Auxin can be bioassayed by

Select an appropriate plant hormone responsible for apical dominance from the following

Which one of the following is a dicot weedicide

The phenomenon called 'Apical dominance' in plants is due to a phytohormone

Fruit and leaf drop at early stages can be prevented by the application of

Elongation of internode is caused by

In plants, Richmond-Lang effect is

It takes very long time for pineapple plants to produce flowers. Which combination of hormones can be applied to artificially induce flowering in pineapple plants throughout the year to increase yield?

Ethylene is a simple gaseous plant growth regulator. Identify in which of the following the ethylene is synthesized in large amounts by tissues?

i) Senescence

ii) Ripening of fruits

iii) Actively growing apices of stems and roots

iv) Cell division promoting activity

Which one of the following growth regulators is known as 'stress hormone'?

What is the site of perception of photoperiod necessary for induction of flowering in plants?

If a plant produces flowers when exposed only the alternating periods of 5 hours light and 3 hours dark in a 24-hour cycle, then the plant should be a______

Which one of the following is CORRECT for blooming of 'short day' plants?

Phytochrome is a

Vernalization promotes flowering by

Consider the following statements i, ii, iii regarding criteria for essentiality of the nutrients in plants:

i) The presence of elements is must for plants to complete their life cycle

ii) The role of the element can be replaced by another element

iii) The element must be directly involved in the metabolism of the plant

Choose the CORRECT statements:

Ethylene

Chemically abscisic acid is

Skoog and Miller discovered first cytokinin while working on tissue culture of

In many plants, the change from vegetative to reproductive phase takes place in response to

Which factor of light has profound effect on flowering in higher plants?

Which of the following is a long day plant?