Biology Mcqs

The hepatic portal vein drains blood to liver from___________?

by
The hepatic portal vein drains blood to liver from___________?

A. Intestine
B. Stomach
C. Kidney
D. Heart

Blood enters the liver from two sources. From the hepatic artery, it gets oxygenated blood and from the hepatic portal vein, it receives deoxygenated blood. Blood in the hepatic artery comes from the aorta. Blood in the hepatic portal vein comes directly from the intestine (containing newly absorbed nutrients), stomach, etc

Which one of the following remove nucleotides from the ends of DNA or RNA?

by
Which one of the following remove nucleotides from the ends of DNA or RNA?

A. Endonuclease
B. Exonuclease
C. S 1 nuclease
D. Deoxyribonuclease

Exonucleases remove nucleotides from the terminal ends (either 5′ or 3′) of DNA of one strand of duplex. Endonucleases make cut at specific position within the DNA. DNA lagases are known as joining or sealing enzymes.

How many types of genomic mapping are there?

by
How many types of genomic mapg are there?

A. 2
B. 4
C. 5
D. None of these

There are two general types of genome mapg called genetic mapg and physical mapg. Both types of genome mapg guide scientists towards the location of a gene (or section of DNA) on a chromosome?, however, they rely on very different information.

Keratin is a type of Protein Found in __________?

by
Keratin is a type of Protein Found in __________?

A. Skin Fiber
B. Nails
C. Blood Cells
D. Muscle Cells

Keratin is a type of structural protein found in your hair, skin, and nails. It’s especially important for maintaining the structure of your skin, supporting wound healing, and keeg your hair and nails healthy and strong.

Who is the father of biology?

by
Who is the father of biology?

A. Albert Einstein
B. Aristotle
C. Ronald Fisher
D. None of above

Aristotle is known as the Father of Biology. He was born in 384 BC. In the 4th century BC, Aristotle travelled to Lesvos filled with wildlife.

Bio means: ___________?

by
Bio means: ___________?

A. Life
B. Community
C. Cycle
D. None of These

The Greek root word bio means ‘life,’ and gives rise mostly to words from the realm of the ‘life’ sciences. We’ve all taken biology (or bio) classes, in which you learn all about ‘life. ‘ Biological processes have to do with the way ‘living’ organisms function.