Genetics and Evolution (NEET Biology): Questions 1 - 6 of 184

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 3390 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 700.00 or

Question number: 1

» Genetics and Evolution » Molecular Basis of Inheritance » Gene Expression and Regulation

MCQ▾

Question

Operon is

Choices

Choice (4) Response

a.

A set of closely linked genes regulating metabolic pathways in prokaryotes.

b.

The sequence of nitrogen bases in mRNA which codes for a single amino acid.

c.

The sequence of three nitrogen bases determining a single amino acid.

d.

A segment of DNA specifying one polypeptide chain in protein synthesis.

Question number: 2

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

MCQ▾

Question

Which of the following is a base analogue?

Choices

Choice (4) Response

a.

Colchicine

b.

Nitrous acid

c.

5 – bromouracil

d.

Caffeine

Question number: 3

» Genetics and Evolution » Heredity and Variation » Mendelian Inheritance

MCQ▾

Question

If an offspring shows any one of the characters of either of parents, the

Choices

Choice (4) Response

a.

The character is related with cytoplasm.

b.

Character is said to be hereditary.

c.

Offspring is hereditary.

d.

Question does not provide sufficient data or is vague

Question number: 4

» Genetics and Evolution » Heredity and Variation » Down's Syndrome, Turner's and Klinefelter's Syndromes

MCQ▾

Question

The monosomic condition in human beings depicted as XO is referred to as

Choices

Choice (4) Response

a.

Turner’s syndrome

b.

Down’s syndrome

c.

Klinefelter’s syndrome

d.

Criminal syndrome

Question number: 5

» Genetics and Evolution » Molecular Basis of Inheritance » Gene Expression and Regulation

MCQ▾

Question

Which of the following is genetically inert and does not transcribe messenger RNA for protein synthesis?

Choices

Choice (4) Response

a.

DNA of euchromatin and heterochromatin

b.

DNA of euchromatin

c.

DNA of heterochromatin

d.

Question does not provide sufficient data or is vague

Question number: 6

» Genetics and Evolution » Heredity and Variation » Mendelian Inheritance

MCQ▾

Question

Organisms phenotypically similar but genotypically different are said to be

Choices

Choice (4) Response

a.

Heterozygous

b.

Monozygous

c.

Multizygous

d.

Homozygous

f Page
Sign In