List of top Horticulture Questions on Plant Physiology asked in ICAR AIEEA (PG)

The following statements about onion are given below
(A). Temperature is comparatively more important for bulb formation
(B). Photoperiod is more important for flowering
(C). Long day onion varieties do not bulb under short day conditions
(D). Genetic constitution of the male sterility maintainer is Nmsms.
Choose the correct answer from the options given below:

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A): Tuberization in sweet potato is almost absent at 75% shade and severely affected at 55% shade and not much affected at 25% shade.
Reason (R): Warm sunny days and cool nights are favourable for better tuber development in sweet potato.
In light of the above statements, choose the correct answer from the options given below.

Red colour of beet root is due to

What is the family of Rhubarb?

Given below are two statements:
Statement (I): The growth of guava fruits follow a single sigmoid curve
Statement (II): The fruits undergo extensive cell division during the first few week immediately following fertilization

Various forms of gibberellins are abundant during which stage of fruit development?

Which salt absorbs ethylene effectively during storage of apple?

Which plant bio regulator blocks the synthesis of gibberellin?

Statement I: Mandarins are commonly known as loose skin orange.
Statement II: Hodgson classified mandarins into three groups- Satsuma, King and Willow leaf.
Choose the correct answer from the options given below:

Given below are two statements:
Statement (I): Papaya is a polygamous plant with various sex forms (pistilate, hermaphrodite and staminate).
Statement (II): Pistilate form is stable and sex reversal is not affected by environmental factors.
Choose the correct answer from the options given below:

Best training method in high density peach planting

Given below are two statements:
Statement (I): Rootstock 110 R restricted uptake of sodium and chloride.
Statement (II): While Dog ridge and Salt creek were know to restrict the uptake of chloride only.
In light of the above statements, choose the most appropriate answer from the options given below.

Which phytohormone is regarded as an anti-stress promoter and growth bio-stimulator?

Which of the following is a C4 plant?

The peg formation in groundnut are positively

Given below are two statements:
Statement (I): The non deep type is the most common primary dormancy
Statement (II): In this type of dormancy species require light or darkness to germinate or chilling stratification
In light of the above statements, choose the most appropriate answer from the options given below:

Which of the following physiological disorder exhibit premature initiation of floral buds and elongation of peduncle in cauliflower ?

Given below are two statements:
Statement (I) : Long day types onions are cultivated in temperate or hilly regions.
Statement (II) : The onion crop is more sensitive to temperature that plays more important role in bulb formation than photoperiod.
In light of the above statements, choose the most appropriate answer from the options given below.

On the basis of anthesis time of vegetable crops
(A) Tomato
(B) Muskmelon
(C) Summer Squash
(D) Ridge gourd
Choose the correct answer from the options according to ascending order of anthesis time:

When the soil cover of the crop is about 70-80%, the crop coefficient is referred to as

Respiration
(A) Occurs only in cells with chloroplasts
(B) Oxygen is used and water is produced
(C) Occurs in dark and light
(D) Occurs in light only
Choose the correct answer from the options given below: