List of top Plant Sciences Questions on Seed Science

For determining the seed moisture content in the pigeon pea seeds, the seed sample is dried in an oven at a temperature and for a duration of -

In pea, the maximum permissible size of a seed lot is -

Bengal gram is considered as an inseparable other crop plant in the seed production field of the

Preceding crop requirement is an essential consideration during seed production to minimize the chances of genetic contamination through-

The maximum permissible limit of husk-less seeds in sunflowers is-

In seed technology, the term 'dockage' is commonly used to describe-

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: In potato cultivation, the dehaulming is done to produce quality seed tubers.
Reason R: Dehaulming in potato seed crop is done 10-15 days before harvesting of the crop.
In light of the above statements, choose the correct answer from the options given below:

Which of the following cell organelle does not contain DNA

Which of the following statements are true while comparing prokaryotes and eukaryotes
A. Prokaryotes have 70S ribosomes, eukaryotes have 80S ribosomes.
B. Nuclear material is linear in both.
C. Meiosis is characteristic of eukaryotes.
D. Genetic exchange occurs in both.
E. Nuclear membrane is present in both.
Choose the correct answer from the options given below:

Which of the following statements are true for Koch's postulates
A. The microorganisms must be present in every case of the disease
B. The microorganisms may not be present in every case of the disease
C. The microorganisms must be isolated from the diseased host and grown in pure culture
D. The specific disease must be reproduced on inoculation of a pure culture of microorganisms in the healthy susceptible host
E. The microorganism must be recoverable once again from the inoculated susceptible host
Choose the most appropriate answer from the options given below:

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: Barbery is an alternate host for Puccinia graminis f. sp. tritici.
Reason R: Barbery play key role in rust epidemics in India.
In light of the above statements, choose the correct answer from the options given below

Motile infective propagules are produced by
A. Pythium
B. Phytophthora
C. Xanthomonas
D. Ralstonia
E. Nematodes
Choose the correct answer from the options given below:

Rust diseases are caused by
A. {Puccinia
B. {Albugo
C. {Cephaleuros
D. {Uromyces
E. {Gymnosporangium
Choose the correct answer from the option given below

Plant pathogens can be detected and identified using ELISA and PCR
A. ELISA based detection is more useful for viral pathogen detection than bacterial pathogens
B. Fungal diseases are more amenable for ELISA based detection than plant viruses
C. Bacterial pathogens are more amenable for PCR based detection than plant viruses
D. Bacterial pathogens are more amenable for PCR based detection than fungal pathogens
E. Phytoplasma is more amenable for PCR based detection than ELISA
Choose the most appropriate answer from the options given below:

Wilt diseases are caused by

Which of the following plant disease was responsible for environmental disturbances impacting even the wildlife

Light pathway of a typical microscope consists of several items, viz.,
A. Light source to Mirror
B. Field Diaphragm to Condenser
C. Stage to Specimen
D. Objective to Body
E. Ocular to Eye/Camera
Choose the correct answer from the options given below

Given below are two statements
Statement I: Horizontal and Vertical Resistance defend crop plants against pathogens
Statement II: Horizontal Resistance is more frequently exploited in resistance breeding programme than Vertical Resistance
In light of the above statements, choose the most appropriate answer from the options given below

Given below are two statements:
Statement I: Light reaction takes place in the stroma.
Statement II: Dark reaction takes place in grana.
In light of the above statements, choose the most appropriate answer from the options given below:

The gene A, B, D are present in one chromosome in the coupling phase of linkage. One of the double cross-over gametes has A-b-D gene combination. The gene which was in the middle of the sequence is:

An organism has haploid chromosome number 7. The probability that a sperm produced by it will contain all the 7 chromosomes whose centromeres were derived from the maternal homologue is:

In a sexually reproducing organism, the chromosome number in the progeny does not double even after fertilization. The reason is that the male and female gametes contain:

What is the probability when both parents with blood type 'A' and normal vision (not colourblind) produce their 1st son, who has blood type 'O' and is colour blind?