In attempts to confer special characteristics upon plants, genetic engineers find Agrobacterium tumefaciens to be an effective vector for use with

1. corn

2. rice

3. wheat

4. soy beans

Subtopic:  Tools: Vectors: II | Tools |
 58%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links

In the screening process, clones that metabolize X-gal turn

1. yellow

2. orange

3. blue

4. colorless

Subtopic:  Selectable Markers: III | Selectable Markers |
 68%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Restriction endonuclease:

1. cuts the DNA molecule randomly

2. cuts the DNA molecule at specific sites

3. restricts the synthesis of DNA inside the nucleus

4. synthesis DNA

Subtopic:  Restriction Enzymes - Main Enzymes |
 91%
From NCERT
AIPMT - 2006
Please attempt this question first.
Hints
Links
Please attempt this question first.

advertisementadvertisement

The vector for T-DNA is:

1. Thermus aquaticus

2. Salmonella typhimurium

3. Agrobacterium tumefaciens

4. Escherichia coli

Subtopic:  Transforming Plant & Animal Cell |
 81%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

In recombinant DNA technique, the term vector refers to:

1. Donor DNA, is identified and picked up through electrophoresis

2. Plasmid transfers DNA into living cell

3. Collection of the entire genome in the form of plasmid

4. Enzymes cut the DNA at specific sites

Subtopic:  Cloning Vector | Tools |
 83%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

Given below is a sample of a portion of the DNA strand given the base sequence on the opposite strand. What is so special show in it? 
5'- GAATTC...3' 
3'- CTTAAG ... 5'

1. Detection mutation

2. Start codon at 5' end

3. Palindromic sequence of base pairs

4. Replication completed

Subtopic:  Tools |
 93%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

A kind of biotechnology involving manipulation of DNA is:

1. DNA replication

2. genetic engineering

3. denaturation

4. renaturation

Subtopic:  Introduction & History | Tools |
 85%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

The thermostable enzymes, Taq and Pfu, Isolated from thermophilic bacteria are:

1. RNA polymerases

2. DNA ligases

3. DNA polymerases

4. Restriction endonucleases

Subtopic:  Restriction Enzymes: Historical Background |
 75%
Please attempt this question first.
Hints
Please attempt this question first.

Biolistic technique is used in:

1. Gene transfer process

2. Tissue culture process

3. Hybridization process

4. Germplasm conservation process

Subtopic:  Transforming Plant & Animal Cell |
 88%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

Following statements describe the characteristics of the enzyme Restriction Endonuclease. Identify the incorrect statement:

1. The enzyme recognizes a specific palindromic nucleotide sequence in the DNA
2. The enzyme cuts DNA molecules at an identified position within the DNA
3. The enzyme binds DNA at specific sites and cuts only one of the two strands
4. The enzyme cuts the sugar-phosphate backbone at specific sites on each strand
Subtopic:  Restriction Enzymes - Main Enzymes |
 76%
From NCERT
NEET - 2019
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch