List of practice Questions

Match the LIST-I with LIST-II and choose the correct answer from the options given below: \[ \begin{array}{|l|l|} \hline \textbf{LIST I (Common powdery mildews)} & \textbf{LIST II (Causal organism)} \\ \hline A.\ \text{Powdery mildews of barley} & I.\ \text{Cercosphaera leucotricha} \\ B.\ \text{Powdery mildews of peas} & II.\ \text{Uncinula necator} \\ C.\ \text{Powdery mildews of grape vines} & III.\ \text{Erysiphe polygoni} \\ D.\ \text{Powdery mildews of apple} & IV.\ \text{Erysiphe graminis var. hordei} \\ \hline \end{array} \]
Match the LIST-I with LIST-II \[ \begin{array}{|l|l|} \hline \textbf{LIST I (Monosomics developed)} & \textbf{LIST II (Researchers)} \\ \hline A. \ \text{Oat} & I. \ \text{Clausen and co-workers} \\ B. \ \text{Wheat} & II. \ \text{Rajhathy and co-workers} \\ C. \ \text{Tobacco} & III. \ \text{Sears and co-workers} \\ D. \ \text{Cotton} & IV. \ \text{Endrizzi and associates} \\ \hline \end{array} \]
Match the LIST-I with LIST-II: \[ \begin{array}{|l|l|} \hline \textbf{LIST-I (Events)} & \textbf{LIST-II (Stages)} \\ \hline A. \ \text{Double-strand breaks appear} & I. \ \text{Pachytene} \\ B. \ \text{Joint molecules recovered} & II. \ \text{End of zygotene} \\ C. \ \text{Recombinant DNA molecules recovered} & III. \ \text{Diplotene} \\ D. \ \text{Double-strand breaks disappear} & IV. \ \text{Beginning of zygotene} \\ \hline \end{array} \]
Match the LIST-I with LIST-II \[ \begin{array}{|l|l|} \hline \textbf{LIST I (Herbicide)} & \textbf{LIST II (Mode of action)} \\ \hline A. \ \text{Imazethapyr} & I. \ \text{Photosystem II inhibitor} \\ B. \ \text{Glyphosate} & II. \ \text{ALS inhibitors} \\ C. \ \text{Clodinafop-propargyl} & III. \ \text{EPSP synthase inhibitor} \\ D. \ \text{Atrazine} & IV. \ \text{Acetyl Coenzyme A carboxylase inhibitor} \\ \hline \end{array} \]
When both the alleles of a gene are fully expressed in the heterozygotes, it leads to which of the following?
In 1923, who described the theory of QTL mapping?
The two population ratio of Snyders used to test equilibrium for dominant genes are which of the following?
Epiricania melanoleuca belongs to Lepidoptera is a -
A man carries a gene on his Y chromosome; he will transmit this gene to which of the following?
'Pusa Giant' is an autotetraploid of which of the following crop?
Which of the following statements are right about “Guttation”? A. The term is given by Stephan Hales
B. It is caused due to root pressure
C. Normally it occurs in the day
D. Exudation of water with salt and minerals through hydathode
The prokaryotic genetic system contains-
NPV is mostly used to control-
For the work on split genes, who won Nobel Prize of Medicine in 1993?
Which of the following is a common eukaryotic host for cloning?
The technique of ELISA is based on which of the following?
The Irish potato famine that occurred in North Europe during 1845 was caused by-
The Bordeaux mixture consists of-
The Tristeza disease in citrus is caused by-
The following statements support the ‘Dark reaction’ in photosynthesis: A. Dark phase of photosynthesis is CO\textsubscript{2} fixation
B. Dark Phase is temperature sensitive
C. Dark reactions don't require light
D. Also called as Dark man reaction
Long day plants require-
Examples of short-day plants are A. Tobacco, Soybean and Rice
B. Tobacco, Soybean and Wheat
C. Tobacco, Barley and Rice
D. Castor, Barley and Sugar beet
The purpose of randomization in a field experiment is to-
The most suitable fumigants for quarantine purposes is-
DIPA describes the followings- A. Directorate of Insect and Pest Authority
B. Destructive Insects and Pests Act
C. It came into force in 1914
D. Legal control of insects