NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 2246 - 2251 of 3511

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Question number: 2246

» Genetics and Evolution » Molecular Basis of Inheritance » Structure of DNA and RNA

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Appeared in Year: 2007

MCQ▾

Question

Differentiation of organs and tissues in a developing organism, is association with

Choices

Choice (4) Response

a.

Lethal mutations

b.

Differential expression of genes

c.

Developmental mutations

d.

Deletion of genes

Question number: 2247

» Diversity in Living World » Five Kingdom Classification » Fungi

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MCQ▾

Question

Ethanol is commercially produced through a particular species of

Choices

Choice (4) Response

a.

Saccharomyces

b.

Clostridium

c.

Aspergillus

d.

Trichoderma

Question number: 2248

» Genetics and Evolution » Molecular Basis of Inheritance » Structure of DNA and RNA

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Appeared in Year: 2010

MCQ▾

Question

Select the two correct statements out of the four (a-d) given below about lac operon

Choices

Choice (4) Response

a.

This was elucidated by Francois Jacob and Jacque Monod

b.

In the absence of lactose the repressor binds with the operator region

c.

Glucose or galactose may bind with the repressor and inactivated

d.

Both b. and a. are correct

Question number: 2249

» Genetics and Evolution » Molecular Basis of Inheritance » Structure of DNA and RNA

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Appeared in Year: 1988

MCQ▾

Question

Which of following base pair is wrong

Choices

Choice (4) Response

a.

A

b.

A-T

c.

A-C

d.

G-C

Question number: 2250

» Genetics and Evolution » Molecular Basis of Inheritance » DNA as Genetic Material

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MCQ▾

Question

DNA is found in [AIPMT 78,80, M. P. PMT 86]

Choices

Choice (4) Response

a.

ER & Ribosomes

b.

Mitochondria, Plastid & nucleolus

c.

Plasma membrane & lysosome

d.

Spherosome & Peroxysome

Question number: 2251

» Structural Organization in Animals and Plants » Plant Tissues - Morphology, Anatomy and Functions » Inflorescence

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Appeared in Year: 1986

MCQ▾

Question

. In cyathium the ratio between female to male flower is - [CPMT]

Choices

Choice (4) Response

a.

many: one

b.

one: one

c.

many: many

d.

one: many