List of top Horticulture Questions on Genetics & Plant Breeding asked in ICAR AIEEA (PG)

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:

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:

Which of the following is a cool season lawn/turfgrass?

Which of the following researcher has first described gametophytic system of self-incompatibility?

Which of the following vegetable crop has brown anther type and petaloid type male sterility?

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A): Sweet potato is highly heterozygous with out-breeding habit.
Reason (R): Self-incompatibility is evident in different sweet potato cultivars.
In light of the above statements, choose the correct answer from the options given below.

Calculate the quantity of fertilizer required for making a 100 ppm solution of 20-10-20 in a 500 litre tank?

Which of the following vine cutting method is widely followed in pointed gourd propagation?

What is the ideal seed rate for okra for rainy season crop?

Which of the following is NOT a round fruited variety of Brinjal?

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A) : Combining all desirable character in a single cultivar of mango is difficult
Reason (R) : Mango is a homogeneous crop of suspected diploid origin

Papaya Variety Surya is an offspring of?

Which Mangifera species can be a good parent for breeding freestone mangoes?

Mango hybrid Arka Suprabhath is a croos between

Given below are two statements:
Statement (I): Bringing together two or more genes governing a single trait, especially resistance to disease is known as gene pyramiding
Statement II: The use of molecular markers greatly facilitates gene pyramiding as it minimises the need for disease tests and progeny test
In light of the above statements, choose the most appropriate answer from the options given below:

Polyploidy level of cultivated strawberry

Which one of the following is not a Spanish bunch variety of ground nut?

Which is world first semi dwarf, photoperiod insensitive and high yielding rice variety?

Arrange the following steps involved in hybridization of rose flower crop in correct orders?
(A) Emasculation of flowers of female parents.
(B) Pollination
(C) Harvesting and storing of F\(_1\) seeds
(D) Bagging and tagging
(E) Choice and evaluation of pollen and female parents.
Choose the correct answer from the options given below:

Given below are two statements:
Statement (I): Heat tolerant tropical cauliflowers show significantly high level of self-incompatibility.
Statement (II):The European annual or snowball types are basically self-compatible in nature.
In light of the above statements, choose the most appropriate answer from the options given below.

Arrange the following steps of mass selection method of flower crop improvement in correct sequence?
(A) Selection of plants with similar but desirable traits from variable population.
(B) Planting of composite seeds in preliminary yield trials and evaluation of phenotype of selected population.
(C) Evaluation of promising selections in coordinated yield trials at multi-locations.
(D) Compositing of seeds from selected plants.
(E) Seed multiplication of outstanding selection for distribution.
Choose the correct answer from the options given below:

Given below are two statements:
Statement (I): Kashi Bhairav is a F1 hybrid of Brinjal.
Statement (II): Shitla Jyoti is a F1 hybrid of watermelon.
In light of the above statements, choose the most appropriate answer from the options given below.