Nucleus MCQs

In eukaryotic cells, DNA is contained within a chamber called a nucleus that’s separated from the cytoplasm by a membrane called the _

nuclear envelope
cell envelope
plasma envelope
None of these

Correct Answer

nuclear envelope

The nucleolus produces _ which move out to the cytoplasm to help make proteins

Centriole
Chloroplast
ribosomes
Mitochondria

Correct Answer

ribosomes

Every cell of every living thing contains genetic material called __

RNA
DNA
Nucleus
Golgi body

Correct Answer

DNA

DNA stands for __

Denitro acid
Deoxyribonucleic acid
Denano acid
None of these

Correct Answer

Deoxyribonucleic acid

DNA in eukaryotic cells exists within __

Golgi apparatus
Nucleus
Nucleolus
Chromosomes

Correct Answer

Nucleus

nucleus that’s separated from the cytoplasm by a membrane called the __

Nuclear envelope
Nuclear protection
Nuclear arms
Nuclear wall

Correct Answer

Nuclear envelope

_ is a form when DNA is spread throughout the nucleus.

Youmatin
Chromatin
Trimatin
Hexamatin

Correct Answer

Chromatin

Human cells have __ chromosomes.

49
48
47
46

Correct Answer

46

Each nucleus has a __ shaped mass inside it called a nucleolus.

square
round
Flat
Hexagonal

Correct Answer

round

What separates the cytoplasm from the contents of the nucleus

Golgi apparatus
Membrane
Nucleus
Nucleolus

Correct Answer

Membrane

Which component is also confined within nucleus ?

Golgi apparatus
Membrane
Nucleus
Chromosomes

Correct Answer

Chromosomes

__ is a compact structure, a dense string-like fiber within nucleus

Golgi apparatus
Chromatin
Membrane
Nucleus

Correct Answer

Chromatin

Ribosomes are made within nucleus by a membrane-less organelle called __

Protein
Nucleolus
Nuclear pores
Membrane

Correct Answer

Nucleolus

Ribosomes create __ within a cell.

Nucleolus
Nuclear pores
Membrane
Protein

Correct Answer

Protein

The Nuclear envelope is perforated with small holes called __

Disintegrates
Nuclear pores
Molecules
Nuclear lamina

Correct Answer

Nuclear pores

Nuclear pores regulate the movement of __ between the nucleus and cytoplasm

Disintegrates
Molecules
Nuclear lamina
Nuclear pores

Correct Answer

Molecules

Inner surface of nucleus has a protein lining called the __

Disintegrates
Molecules
Nuclear pores
Nuclear lamina

Correct Answer

Nuclear lamina

During mitosis, or cell division, the nuclear envelope _

Molecules
Nuclear pores
Nuclear lamina
Disintegrates

Correct Answer

Disintegrates

Who can pass through nuclear pores ?

Cells that provide energy, DNA, RNA
Proteins that provide energy, DNA, RNA
Vitamins that provide energy, DNA, RNA
Molecules that provide energy, DNA, RNA

Correct Answer

Molecules that provide energy, DNA, RNA