10 COMMON QUESTION ON BIOLOGY--5

Question 1

The food which gives an athlete instant energy is _______.

  Glucose

  Protein

  Butter

  Vitamin

It's 'Glucose '
Ans. A

Glucose is a primary source of energy for the brain, so its availability influences psychological processes.

Question 2

Heart attack occurs due to?

  Bacteria

  Stopping of heart beat

  Lack of blood supply to the heart itself

  Impairment of heart's working due to unknown reason

It's 'Lack of blood supply to the heart itself '
Ans. C

A heart attack happens if the flow of oxygen-rich blood to a section of heart muscle suddenly becomes blocked and the heart can't get oxygen. Most heart attacks occur as a result of coronary heart disease (CHD).

Question 3

Which of the following parts of human body is affected by Pyria?

  Bronchus

  Small intestine

  Teeth and gums

  Large intestine

It's 'Teeth and gums '
Ans. C

Pyria is ususally a symptom of poor dental hygiene, where the person is notbrushing often, or not adequately enough leading to bacteria growth in and around thegums.

Question 4

Which part of the human brain is the centre of memory, learning, thinking and reasoning?

  Cerebrum

  Hypophysis

  Cerebellum

  Medulla

It's 'Cerebrum '
Ans. A

The cerebrum refers to the parts of the brain containing the cerebral cortex as well as several subcortical structures, including the hippocampus, basal ganglia, and olfactory bulb. In humans, the cerebrum is the superior-most region of the central nervous system (CNS).

Question 5

The branch of agriculture which deals with the feeding, shelter, health and breeding of the domestic animals is called _______.

  Animal Husbandry

  Dairy Science

  Veterinary Science

  Poultry

It's 'Animal Husbandry '
Ans. A

The branch of agriculture that deals with the feeding, caring and breeding of domestic animals is called animal husbandry.

Question 6

‘Survival of the fittest' was proposed in his theory of evolution by______.

  Lamarck

  Darwin

  Mendel

  Hugo de vries

It's 'Darwin '
Ans. B

Darwin published On the Origin of Species with the often misquoted line'Survival of the Fit.

Question 7

Kidney stones are mainly formed by which of the following compound?

  Sodium chloride

  Silicates

  Calcium bicarbonate

  Calcium Oxalate

It's 'Calcium Oxalate '
Ans. D

Calcium oxalate is a chemical compound that forms envelope-shaped crystals, known in plants as raphides. A major constituent of human kidney stones.

Question 8

Which one among the following vitamins is necessary for blood clotting?

  Vitamin – A

  Vitamin – D

  Vitamin – K

  Vitamin - C

It's 'Vitamin – K '
Ans. C

Vitamin K is similar to fat-soluble vitamins the human body needs for complete synthesis of certain proteins that are required for blood coagulation and also certain proteins that the body uses to control binding of calcium in bone and other tissues.

Question 9

Which of the following diseases is caused by a virus?

  Plague

  Polio

  Tetanus

  Leprosy

It's 'Polio '
Ans. B

Polio is a contagious viral illness that in its most severe form causes paralysis, difficulty breathing and sometimes death.

Question 10

Coffee is obtain from which part of plant?

  Flower

  Seed

  Leaf

  Fruit

It's 'Seed '
Ans. B

Coffee is a brewed drink prepared from roasted coffee beans, which are theseeds of "berries" from the Coffee plant.