Question 1

The largest gland of the human body is

Accepted Answer

Liver

Question 2

Ethylene is a ______ molecule.

Accepted Answer

nonpolar

Question 3

Myopia is a defect of eyes which is also known as

Accepted Answer

Near Sightedness

Question 4

Name the respiratory organs of insects

Accepted Answer

Tracheae

Question 5

Which drug is used as an Anti-Inflammatory?

Accepted Answer

Prednisone

Question 6

Prawns belong to which family?

Accepted Answer

Crustaceans

Question 7

Some roots, called _________________, arise from an organ other than the radicle.

Accepted Answer

adventitious roots

Question 8

Spiders belong to which class of animals?

Accepted Answer

Arachnids

Question 9

What happens during the S-phase of the cell cycle?

Accepted Answer

S-phase (synthesis phase) is the part of the cell cycle in which DNA is replicated, occurring between G1 phase and G2 phase. Precise and accurate DNA replication is necessary to prevent genetic abnormalities which often lead to cell death or disease.

Question 10

Which of these is a human disease caused by bacteria?

Accepted Answer

Bacteria which causes disease are called Pathogenic Bacteria. TB is caused by bacteria. Some of the diseases caused by bacteria are:: 1. Tuberculosis, TB (affects the lungs) 2. Salmonella (causes food poisoning) 3. Whooping cough (affects the lungs) 4. Septic Sore Throat

Question 11

Which organelle is the control center of a cell?

Accepted Answer

Nucleus serves as the control center for cell metabolism and reproduction.

Question 12

Pressure, pain, and temperature receptors in the skin are

Accepted Answer

Exteroceptors

Question 13

Select the correct statement about oxygen transport in blood

Accepted Answer

During normal activity, a molecule of hemoglobin returning to the lungs carries one molecule of O2

Question 14

What is the first thing that alcohol effects?

Accepted Answer

Alcohol impairs your judgement. Judgement is in your brain stupid and it impairs your brain.

Question 15

Which of the following statements is most accurate regarding infection with parvovirus B19?

Accepted Answer

Parvovirus B19 causes severe anemia because it preferentially infects erythrocyte precursors. a. Parvovirus B19 binds preferentially to the erythrocyte blood group P antigen on erythroid precursor cells. Answers B, C, D are incorrect: b. after entry the single-stranded viral DNA genome is transported to the cell nucleus where the host DNA polymerase synthesizes the complimentary DNA strand. c. Parvovirus B19 infection can be diagnosed by direct detection of viral DNA not RNA. d. the fetus of a seropositive mother is protected from infection by maternal circulating antibodies.

Question 16

Which of the following is present in a prokaryotic cell?

Accepted Answer

Ribosomes are present in prokaryotic cells. These are organelles which consist of two subunits. They are present in both Eukaryotic and Prokaryotic cells. They are made up of RNA and proteins and present in the cytoplasm and on the membranes and are involved in protein synthesis.

Question 17

In autotrophic bacteria, where is chlorophyll located?

Accepted Answer

in the infolded plasma membrane

Question 18

What molecule carries genetic information?

Accepted Answer

The nucleus of a cell contains chromosomes, which carry genetic information in a long molecule called DNA. Genes are regions of DNA that carry the code to control a particular cell activity or the production of a particular protein.

Question 19

In plants, chloroplasts are necessary for

Accepted Answer

Plants are producers, which means they make their own food. Chloroplasts are organelles found in eukaryotic and plant cells that conduct photosynthesis. Chloroplasts absorb sunlight and use it in conjunction with water and carbon dioxide gas to produce food for the plant. Plants use energy from sunlight to help make their food, but they need chloroplasts to do it. Hence, in plants, chloroplasts are necessary for Photosynthesis.

Question 20

Which of these is NOT a lipid?

Accepted Answer

RNA is not a lipid among the given options. A lipid is a substance of biological origin that is soluble in nonpolar solvents. It comprises a group of naturally occurring molecules that include fats, waxes, sterols, fat-soluble vitamins (such as vitamins A, D, E, and K), monoglycerides, diglycerides, triglycerides, and phospholipids.

Biology Questions