Question 1

The lining of the marrow cavity is

Accepted Answer

The marrow cavity is also known as the medullary cavity. It is the central cavity of bone shafts where adipose tissue is stored. It is lined with a thin, vascular membrane called endosteum.

Question 2

The peripheral nervous system consists of

Accepted Answer

All of the above

Question 3

Which of the following is an example of parasitism?

Accepted Answer

The relationship between two organisms such that one lives on the other and one gets benefited while the other get infected.

Question 4

Which of the following is a healthy fat?

Accepted Answer

Polyunsaturated fats are healthy fats whcih we can get from eating greeny leaf vegetables, fish and some seeds that are helpful in brain functioning, nutrient rich blood, hair growth, etc...

Question 5

Intrapulmonary pressure is the

Accepted Answer

Intrapulmonary pressure is the pressure within the alveoli of the lungs.

Question 6

Which among the following blood protein regulates the amount of water in plasma?

Accepted Answer

The blood protein Albumin regulates the amount of water in plasma.

Question 7

Cells use active transport proteins to

Accepted Answer

Cells use active transport proteins to create a concentration gradient across a cell membrane

Question 8

Different forms of genes are called

Accepted Answer

Allele

Question 9

Which is a difference between proteins and carbohydrates and fats?

Accepted Answer

All proteins, carbohydrates and fats are macronutrients that we need to make living. They contribute to 90% of the dry weight of our diet. From the given options, Excess carbohydrates and fats are stored; excess proteins are not.

Question 10

Androgens such as testosterone are produced by the

Accepted Answer

Androgens such as testosterone are produced by the Interstitial cells.

Question 11

The main buffer system of the human blood is

Accepted Answer

H2CO3

Question 12

Which of the following are known as the suicide bags of cells?

Accepted Answer

Lysosome is an organelle in the cytoplasm of eukaryotic cells containing degradative enzymes enclosed in a membrane. They are capable of breaking down all types of biological polymers like proteins, nucleic acids, carbohydrates, and lipids. Lysosomes are known as the suicide bags of cells because whe any cell gets damaged these organelles burst and the enzymes present in it will digest the damaged cell.

Question 13

Which cell feature is responsible for making proteins?

Accepted Answer

Ribosomes

Question 14

Mitochondrial DNA analysis is best suited for

Accepted Answer

Mitochondrial DNA analysis is best suited for Forensic science analysis.

Question 15

What is the outcome when a cell undergoes meiosis?

Accepted Answer

When a cell undergoes meiosis process, it produces 4 haploid cells as a result.

Question 16

Earth-worms belongs to the phylum

Accepted Answer

Annelida

Question 17

Which of the following are also known as Suicidal bag of Cells?

Accepted Answer

Lysosomes

Question 18

DNA stands for _____.

Accepted Answer

Deoxyribonucleic Acid

Question 19

Cerebro spinal fluid protects

Accepted Answer

Brain

Question 20

Antigens 'A' and 'B' are absent in persons belong to blood group

Accepted Answer

'O'

Biology Questions