NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Biology: Questions 1493 - 1499 of 4199
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Question 1493
Question MCQ▾
Who isolated the first restriction endonucleases
Choices
Choice (4) | Response | |
---|---|---|
a. | Nathans and Smith | |
b. | Paul berg | |
c. | Temin & Baltimore | |
d. | Sanger |
Question 1494
Question MCQ▾
Biologically functional gene coding for tyrosine t- RNA of E. coil synthesized by Khorana in 1979 had
Choices
Choice (4) | Response | |
---|---|---|
a. | 207 nucleotide pairs | |
b. | 312 nucleotide pairs | |
c. | 333 nucleotide pairs | |
d. | 77 nucleotide pairs |
Question 1495
Question MCQ▾
Polymerase chain reaction technology (PCR- technique) is used for
Choices
Choice (4) | Response | |
---|---|---|
a. | DNA identification | |
b. | DNA amplification | |
c. | DNA repair | |
d. | Cleave DNA |
Question 1496
Question MCQ▾
Agrobacterium tumefaciens used in Genetic engineering for
Choices
Choice (4) | Response | |
---|---|---|
a. | DNA finger printing | |
b. | DNA-modification | |
c. | Vector | |
d. | DNA-mapping |
Question 1497
Question MCQ▾
The biological concept of species is mainly based on
Choices
Choice (4) | Response | |
---|---|---|
a. | Method of reproduction only | |
b. | Morphological features | |
c. | Morphology and method of reproduction | |
d. | Reproductive isolation |
Question 1498
Question MCQ▾
The classification of Linnaeus was mainly based on
Choices
Choice (4) | Response | |
---|---|---|
a. | Stamens | |
b. | Petals | |
c. | Steam | |
d. | Sepals |
Question 1499
Question MCQ▾
In Whittaker՚s five kingdom classification, eukaryotes were assigned to
Choices
Choice (4) | Response | |
---|---|---|
a. | All the five kingdom | |
b. | Only one kingdom | |
c. | Only four of the five kingdoms | |
d. | Only three kingdom |