Engineering Questions with Answers - Multiple Choice Questions
MCQs on Embryology – Animal Cell
1 - Question
Centromere is required for _________
a) Transcription
b) Crossing over
c) Movement of chromosomes towards poles
d) Cleavage
View Answer
Answer: c
Explanation: Centromere is a special region of a chromosome. It helps in the movement of chromosomes towards poles.
2 - Question
Polytene chromosomes are formed due to _____________
a) Endomitosis
b) Meiosis
c) Mitosis
d) Endomixis
View Answer
Answer: a
Explanation: Polytene chromosomes are oversized chromosomes. It is formed due to endomitosis (without cell division).
3 - Question
Racker’s particles occur in _________
a) Mitochondria
b) Nucleus
c) Chromosome
d) Golgi complex
View Answer
Answer: a
Explanation: Racker’s particles occur in Mitochondria. They are also known as F1 particles. They help in production of ATP
4 - Question
Cell membrane is ___________
a) Semi permeable
b) Permeable
c) Selectively permeable
d) Impermeable
View Answer
Answer: a
Explanation: Cell membrane is also known as plasma membrane. It is semi permeable membrane surrounding the cytoplasm of a cell.
5 - Question
Which of the following does not have a membrane?
a) Ribosome
b) Mitochondria
c) Nucleus
d) Chloroplast
View Answer
Answer: a
Explanation: Ribosome are the protein builders or the protein synthesizer of the cell. They consist of two major components: the small subunit and the large subunit.
6 - Question
Cell theory was proposed by ____________
a) Virchow
b) Robert Hooke
c) McClintock
d) Schleiden and Schwann
View Answer
Answer: d
Explanation: Cell theory was proposed by Schleiden and Schwann. It states that
All living things are composed of cells.
All the cells are produced from other cells
Cells are the basic units of structure and function in living things.
7 - Question
There is no DNA in ______________
a) An enucleated ovum
b) Mature RBC
c) Hair root
d) Mature spermatozoa
View Answer
Answer: b
Explanation: Mature RBC is flexible and oval biconcave discs. They lack a nucleus and most organelles in order to accommodate maximum space for hemoglobin.
8 - Question
Cell theory is not applicable to _________
a) Virus
b) Bacteria
c) Fungi
d) Algae
View Answer
nswer: a
Explanation: Cell theory is not applicable to the Virus. Viruses can be considered alive depending upon the host. They are much smaller than cells.
9 - Question
Histones octamer contains _____________
a) Eight types of histones
b) Five types of histones
c) Eight histones of four different types
d) Six types of histones
View Answer
Answer: c
Explanation: Histones octamer is an 8 protein complex found at the center of nucleosome core particles. it consists of two copies of each f four core histone proteins (H2A, H2B, H3 and H4).