Question 1

What compound directly provides energy for cellular work?

Accepted Answer

ATP - Adinosine Triphosphate is the compound that directly provides energy for cellular work.

Question 2

Which statement correctly describes the role of chance in evolution?

Accepted Answer

The ultimate source of new alleles is mutation, random changes in the nucleotide sequences of an organism's DNA

Question 3

What is the function of chloroplast in a plant cell?

Accepted Answer

Chloroplasts are organelles found in plant cells and eukaryotic algae that conduct photosynthesis. Chloroplasts absorb sunlight and use it in conjunction with water and carbon dioxide gas to produce food for the plant.

Question 4

A molecule of dna is a polymer composed of

Accepted Answer

A molecule of DNA is a polymer composed of nucleotides. Each nucleotide is composed of a nitrogenous base, a five-carbon sugar (deoxyribose), and a phosphate group.

Question 5

Which describes the correct pairing of DNA bases?

Accepted Answer

The correct pairing of DNA bases among the given options is guanine - cytosine.

Question 6

What is the average Life span of RBC?

Accepted Answer

The average Life span of RBC is 120 days.

Question 7

The support cells of the nervous system are

Accepted Answer

All of the above

Question 8

Atrophy is a condition that occurs when

Accepted Answer

muscle decreases in size and function because of disease or trauma

Question 9

The primary goal of conservation biology is to

Accepted Answer

counter the loss of biodiversity

Question 10

In which body cavities are the lungs located

Accepted Answer

Thoracic cavity

Question 11

Hypnosis is sometimes used to treat anxiety disorders.

Accepted Answer

Hypnosis is a state of human consciousness involving focused attention, reduced peripheral awareness, and an enhanced capacity to respond to suggestion.

Question 12

Which organ filters blood in human body?

Accepted Answer

The organ which filters blood in human body are kidneys.

Question 13

The kidneys are stimulated to produce renin

Accepted Answer

by a decrease in the blood pressure

Question 14

Color blindness primarily affects

Accepted Answer

Color blindness primarily affects males as the the genes responsible for the most common, inherited color blindness are on the X chromosome, hence, primarily affects males.

Question 15

Rhinitis is the disease that effects which body part?

Accepted Answer

Nose is the body part which is effected by the disease Rhinitis.

Question 16

All enzymes are proteins.

Accepted Answer

All enzymes are proteins but all proteins are not enzymes since, enzymes are subset of proteins.

Question 17

In which organ RBC are selectively destroyed/recycled by macrophages?

Accepted Answer

Spleen is called as the graveyard of RBC Red Blood Cells where they are selectively destroyed/recycled by macrophages.

Question 18

Which body part will be effected with the disease leprosy?

Accepted Answer

Leprosy is the disease which effects skin.

Question 19

When is cladistics more useful than linnaean taxonomy?

Accepted Answer

evolutionary relationship

Question 20

REM sleep is also known as paradoxical sleep because

Accepted Answer

REM sleep i.e, Rapid Eye Movement sleep is also known as paradoxical sleep because the measures of the brain activity closely resemble waking consciousness, but the person is incapable of moving as the brain is in fully active mode that time.

Biology Questions