The controlling centre of cell is

The controlling centre of cell is

Options

(a) mitochondria (b) nucleus (c) ribosomes (d) nucleolus

Correct Answer:

nucleus

Explanation:

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Chromosome theory states that

Chromosome theory states that

Options

(a) genes are located on chromosome (b) chromosome is made up of DNA (c) chromosome is made up of RNA (d) all of the above

Correct Answer:

genes […]

Osmotic pressure can be increased by

Osmotic pressure can be increased by

Options

(a) increasing volume (b) increasing temperature (c) decreasing temperature (d) none of these

Correct Answer:

increasing temperature

Explanation:

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Milk is an emulsion of

Milk is an emulsion of

Options

(a) fat dispersed in milk (b) fat dispersed in water (c) water dispersed in oil (d) water dispersed in fat

Correct Answer:

fat dispersed in water

[…]

Chloroform,on warming with Ag power,gives

Chloroform,on warming with Ag power,gives

Options

(a) C₂H₂ (b) C₆H₆ (c) C₂H₄ (d) none of these

Correct Answer:

C₂H₂

Explanation:

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Which of the following is used in refrigerant

Which of the following is used in refrigerant

Options

(a) SiC (b) CO₂ (c) CF₂Cl₂ (d) CHCl₃

Correct Answer:

CF₂Cl₂

Explanation:

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