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

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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

Edit

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

Edit

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

Edit

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

Edit

Question 1498

Question MCQ▾

The classification of Linnaeus was mainly based on

Choices

Choice (4)Response

a.

Stamens

b.

Petals

c.

Steam

d.

Sepals

Edit

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

Edit