Top 1000+ Solved Biology (GK) MCQ Questions Answer
Q. People consuming alcohol in heavy quantities generally die of –
a. liver or stomach cancer
b. weakening of heart muscles leading to cardiac arrest
c. blood cancer
d. Cirrhosis
Q. Honey that has high concentration of sugar does not decay because
a. Bacteria cannot survive in an active state as it is totally deprived of oxygen
b. It contains natural antioxidant that prevents bacterial attack
c. Bacteria cannot survive in an active state in a solution of high osmotic strength as water is drawn out
d. None of these
Q. What is‘Biodiversity?
a. Many types of flora & fauna in one forest
b. Many types of flora and fauna in many forests
c. Many population of one species in one forest
d. All the above are true,
Q. In the grass lands, trees do not replace the grasses as a part of an ecological succession because of -
a. Limited sun light and paucity of nutrients
b. None of the options
c. Insect and fungi
d. Water limits and fire
Q. What does the term Ebola stand for?
a. A viral disease outbreak in West Africa
b. A viral disease outbreak in Bangladesh
c. A city in Syria destroyed by ISIS.
d. None of these
Q. Which of the following is true for photoperiodic?
a. It occurs only in plants
b. It is related to flowering in plants
c. It is related to feathers of animals
d. It is the reaction of organisms to the length of day or night
Q. X-rays can be used
a. for cutting and welding of metals.
b. to detect heart diseases.
c. to detect defects in precious stones and diamonds.
d. to detect gold under the earth.
Q. Voralloid root' of Gyms helps in
a. Absorption of water
b. Absorption of water and fixation of Nitrogen
c. Anchorage
d. Transport of food
Q. The non-living characteristic of viruses is –
a. ability to multiply only inside the host
b. ability to cause diseases in the host
c. ability to undergo mutation
d. ability to be crystallise
Q. What is silverfish?
a. A silvery freshwater fish
b. Leaf of silver oak
c. A small silvery wingles insect
d. An American fox with a silvery fur
Q. A genetically engineered form of brinjal known as the BT brinjal has been developed. The objective of this is
a. to make it pest resistant
b. to improve its taste and nutritive value
c. to make it drought resistant
d. to make its shelflife longer
Q. The cause of Heart attack is:
a. bacteria
b. virus
c. lack of blood supply to the heart
d. impairment of heart's working due to unknown reason
Q. Tachycardia is a condition characterized by
a. heart-rate decreases from the normal
b. heart- rate increases from the normal
c. heart-beat stops
d. heart fails to pump
Q. Ecosystem consists of :
a. A biotic community and its non-living elements
b. Population
c. A population and its non-living elements
d. A biotic community
Q. What are Lipids?
a. Lipids are monosaccharide
b. Lipids do not provide energy to cells
c. Fruits are a good source of lipids
d. Cholesterol and trans fatty acids are types of Lipids