Biology - General Knowledge questions

Q1. Cells were first discovered by
a) Purkinje
b) Robert Hooke
c) Schleiden
d) Virchow


Q2. In which organ of the human body are the lymphocyte cells formed?
a) Liver
b) Long bone
c) Pancreas
d) Spleen

Q3.Which of the following cell organelle play the most significant role in protein synthesis ?
a) Lysosome and Centrosome
b) Endoplasmic Reticulum and Ribosome
c) Golgi apparatus and Mitochondria
d) Lysosome and Mitochondria


Q4. Which organelle in the cell, other than nucleus, contains DNA?
a) Centriole
b) Golgi apparatus
c) Lysosome
d) Mitochondria


Q5.Blood, Bones and Cartilage are made up of a special type of tissue:
a) Epithelial tissue
b) Connective tissue
c) Muscular tissue
d) Nervous tissue


Q6.Which one among the following is not a good source of nutritional calcium?
a) Rice
b) Ragi
c) Skimmed milk
d) Egg


Q7.The blood glucose level is commonly expressed as:
a) mm. of Hg
b) milligram per deciliter
c) Parts per million
d) Grams per litre


Q8.Antigen is a substance which:.
a) Destroys harmful bacteria
b) Is used to treat poisoning
c) Lowers body temperature
d) Stimulates formation of antibody


Q9. The hormone insulin is:
a) Glycolipid
b) Fatty acid
c) Peptide
d) Sterol


Q10.When ants bite, they inject
a) Glacial acetic acid.
b) Methanol
c) Formic acid
d) Stearic acid


Q11-Consider the following statements :
1.Different functions in our body are performed by nutrients only.
2.Nutrients are not chemical substances .
3.Science which deals with nutrients is called neutrinology.
Choose the correct options:
a)1 and 2 only
b)2 only
c)1 only
d)1,2 and 3.


Q12. Consider the following :
1.Oxidised carbohydrates are utilized for different life processes in living cells of the body.
2.Maximum amount of carbohydrate is required for proper utilization of fat in the body.
Which one of the above statements is true?
a)1 only
b)2 only
c)Both
d)None


Q13.Which type of carbohydrate provide roughage and helps in movement of bowel.
a)Starch
b)Sucrose
c)Cellulose
d)Fructose


Q14.Consider the following regarding proteins in our body.
1.Proteins are specialized compounds contain elements like iron and iodine .
2.Some of the proteins contain sulphur and copper.
3.They are organic in nature containing carbon and oxygen only.
Choose the incorrect options:
a) 1 and 2 only
b) 2 and 3 only
c) 3 only
d) 1 and 3 only.


Q15.With reference to dietary fats :
1.Fats act as an insulator under the skin which helps in maintaining the body temperature.
2.Fat is not a rich source of energy as compared to other nutrients.
Choose the correct option:
a) 1 only
b) 2only
c) Both of them
d) None


Q16. Which one among the following minerals helps in clotting of blood and conduction of nerve impulse.
a) Phosphorus
b) Iron
c) Calcium
d) Iodine


Q17.Consider the following statements:
1.A continued deficiency of vitamin A may lead to Xeroderma.
2.Deficiency of protein alone in children is known as Pellagra.
Choose the true statement:
a) 1 only
b) 2 only
c) Both of them
d) None of the above.


Q18.Development of pale chalky white colour and pits on the surface of teeth indicates the excessive intake of.
a)Fluorine
b)Iodine
c)Phosphorus
d)Cholestrol


Q19.Consider the following statements with reference to qualitative loss of nutrients in the food is due to.
1. Faulty premarketing process.
2. Faulty cooking methods.
3. Improper cultivation techniques.
4. Improper post harvesting process.
Choose the correct options:
a) 1 and 2 only
b) 2 and 3
c) 1,2 and 4
d) All of them.


Q20. Consider with reference to energy flow :
1. Energy flow is multidirectional in atmosphere.
2. At every trophic level amount of energy is stored.
3. There is transfer of matter and energy in the environment.
Choose the correct options :
a) 1only
b) 2 only
c) 3 only
d) All of the above.


Q21. In the cell the food (glucose) is broken down into
(a) Oxygen, water and energy
(b) Nitrogen and water
(c) Carbon dioxide, water and energy
(d) Carbon dioxide only


Q22. Yeast are used to make wine and beer this is because
(a) It respire aerobically which breaks down glucose producing alcohol.
(b) It respire in the absence of oxygen which breaks down glucose into alcohol.
(c) It produces alcohol without breaking down glucose.
(d) It is multi celled organism and produces alcohol .


Q23. Muscles cramps occur after heavy exercise this is because accumulation of
(a) Amino acids
(b) Fatty acids
(c) Carbon dioxide
(d) Lactic acid


Q24. During breathing the unwanted particles such as smoke,dust,pollen etc get trapped in
(a) Trachea
(b) Pharynx
(c) Nasal cavity
(d) Lungs


Q25. At rest adult person breathes in and out
(a) 19-22 times in a minute
(b) 25-30 times in a minute
(c) 15-18 times in a minute
(d) 30-35 times in a minute


Q26. Blood transport substances like digested food from
(a) Small intestine
(b) Large intestine
(c) Stomach
(d) Pancreas


Q27. Oxygen transports to all parts of the body through haemoglobin. Haemoglobin presents in
(a) Plasma
(b) White blood cells
(c) Platelets
(d) Red blood cells


Q28 Consider the following statements
(1) Arteries carry carbon dioxide rich blood from the heart to lungs.
(2) Veins are the vessels which carry carbon dioxide rich blood from all parts of the body back to the lungs.
(3) Arteries carry oxygen rich blood from heart to all parts of the body.
(4) Veins have thick walls.
Which of the above statements is correct?
(a) 1 and 2
(b) 2 and 3
(C) 3 and 4
(d) 1 and 4


Q29.A resting person usually has a pulse rate between
(a) 65-72
(b) 72-80
(C) 62-75
(d) 72-74



Q30.Consider the following statements
(1) Pulmonary artery carries blood from the heart .It carries carbon dioxide rich blood to the lungs.
(2) Pulmonary vein carries oxygen rich blood from the lungs to the heart.
Which of the above statement is correct?
(a) 1 only
(b) 2 only
(C) Both 1 and 2
(d) Neither 1 nor 2