List of top Horticulture Questions on Plant Physiology & Biochemistry

The bitter component in Momordica charantia is
Arrange the following in the order of their occurance in TCA cycle
(A). Isocitric Acid
(B). Citric Acid
(C). Fumaric Acid
(D). Malic Acid
Choose the correct answer from the options given below:
Which phytohormone is regarded as an anti-stress promoter and growth bio-stimulator?
Best orientation in single hedge row is?
Which of the following tree is mentioned in Atharva Veda?
Which of the following mechanism favours self-pollination ?
Given below are two statements:
Statement (I): In vegetable crops, luxury consumption of potassium is a very common feature.
Statement (II): Potassium is more mobile than nitrogen fertilizers.
In light of the above statements, choose the most appropriate answer from the options given below.
Which plant bio regulator blocks the synthesis of gibberellin?

Match List-I with List-II:

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 % 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.

Match List-I with List-II:

Choose the correct answer from the options given below:

Various forms of gibberellins are abundant during which stage of fruit development?
Which of the following is NOT a frost tolerant species of potato ?
Given below are two statements:
Statement (I):Papaya is a polygamous plant with various sex forms (pistillate, hermaphrodite and staminate)
Statement (II): Pistillate form is stable and sex reversal is not affected by environmental factors
In light of the above statements, choose the most appropriate answer from the options given below.
Mango malformation was reported for the first time in the year
Which of the following genera belong to marginal plants and suitable for planting in water gardens?
(A) Azolla caroliniana
(B) Acorus calamus
(C) Cyperus alternifolius
(D) Elodea canadensis
Choose the correct answer from the options given below:
What is the family of Rhubarb ?

Match List-I with List-II:

Choose the correct answer from the options given below:

Which of the following is a C4 plant?
Red colour of beet root is due to
Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A) : Over watering is very harmful to chrysanthemum plants, hence proper drainage in the field and pots should be maintained for commercial cultivation.
Reason (R) : Over watering causes yellowing of leaves and mortality of chrysanthemum plants due to insufficient supply of oxygen for root respiration resulting in rotting of roots.
In light of the above statements, choose the most appropriate answer from the options given below.
The peg formation in groundnut are positively
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
In light of the above statements, choose the most appropriate answer from the options given below.
Which of the following creeper occupied a prominent place in the play 'Sakuntala' written by Kalidasa during the rule of Chandragupta II?
Which of the following factor is NOT favourable for induction of staminate flowers in Watermelon ?