List of top Questions asked in CUET (PG)

Production of secondary metabolites require the use of -

The first androgenic haploid plant product by anther culture was from -

Arrange the following steps for plant tissue culture (P.T.C.) in correct sequence:
A. Selection of desired material and suitable nutrient media for P. T. C.
B. Inoculation of explants
C. Surface sterilization of explant
D. Transfer of growing cultures
E. Transfer of plantlets to soil in pots
Choose the correct answer from the options given below :

Choose the correct statements regarding homozygous diploid plants -
A. They are produced by doubling the chromosome number of haploids.
B. Doubling of chromosome enables the recessive traits to express too.
C. Chromosome doubling is done by Ozone treatment.
D. Chromosome doubling is done by colchicine treatment.
Choose the correct answer from the options given below:

Transgenic plants developed by introducing Bt gene in crops like brinjal, maize, cotton etc. provide resistance to:

Important enzymes involved in nitrogen fixation are -

A microbial biocontrol agent which control butterfly caterpillars in plants is -

San Noeum first successfully cultured gynogenic haploid plants from unfertilized ovaries of -

Antisense RNA technique is used -

Which of the following converts nitrites to nitrates?

In general, the cytoplasmic male sterility (CMS) causing genes are transcribed in which plant cell organelle?

Symbiotic nitrogen fixing bacteria are found in -
A. Azolla
B. Gnetum
C. Anthoceros
D. Cycas
E. Riccia
Choose the correct answer from the options given below :

Nitrogen fixation occurs with the help of symbiotic bacteria in -
A. Pea
B. Lettuce
C. Beans
D. Tomato
E. Black gram
Choose the correct answer from the options given below :

Match LIST-I with LIST-II

LIST-I		LIST-II
A.	Biological nitrogen fixation	I.	Nitrobacter
B.	Conversion of ammonia to nitrite	II.	Paracoccus
C.	Conversion of nitrite to nitrate	III.	Rhizobium
D.	Denitrification	IV.	Nitrosomonas

Choose the correct answer from the options given below:

Arrange the basic steps to develop G. M. O. (Genetically modified organisms) in sequence:
A. Transfer of DNA with desired genes to its progeny
B. Identification of DNA with desired genes
C. Introduction of the DNA into the host.
D. Maintenance of introduced DNA in the host.
Choose the correct answer from the options given below :

For obtaining pure cultures of bacteria __________ plate method is not used.

In cyanobacteria nitrogen fixation takes place in -

Prions are the -

Choose the correct statements regarding cytology of haploids -
A. A haploid in Arabidopsis will have 5 chromosomes.
B. Haploids are found as bivalents at metaphase-I of meiosis.
C. Haploids are found as univalent at metaphase-I of meiosis.
D. The haploids in maize will have 10 chromosomes.
E. The haploids in maize will have 20 chromosomes.
Choose the correct answer from the options given below :

Media that contain some chemical with unknown chemical composition is called __________ media.

Choose the correct statements regarding Agrobacterium tumefaciens -
A. It is a gram positive round shaped bacterium
B. It is a gram negative rod shaped bacterium
C. It is a photosynthetic spiral bacterium
D. It is also known as 'Natural genetic Engineer'
E. It is capable of naturally transferring DNA into plant genome
Choose the correct answer from the options given below :

In biological nitrogen fixation conversion of dinitrogen molecule into ammonia is carried out by enzyme.

Using natural predators for the control of pathogens is known as __________ control.

Nitrogen fixing cyanobacteria Anabaena is found in the root pockets of -

The cutting of DNA at specific locations became possible with the discovery of -