Q1. Cells were first discovered by
a) Purkinje
b) Robert Hooke
c) Schleiden
d) Virchow
ANSWER: b) Robert Hooke
Q2. In which organ of the human body are the lymphocyte cells formed?
a) Liver
b) Long bone
c) Pancreas
d) Spleen
ANSWER: 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
ANSWER: b) Endoplasmic Reticulum and Ribosome
Q4. Which organelle in the cell, other than nucleus, contains DNA?
a) Centriole
b) Golgi apparatus
c) Lysosome
d) Mitochondria
ANSWER: 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
ANSWER: b) Connective tissue
Q6.Which one among the following is not a good source of nutritional calcium?
a) Rice
b) Ragi
c) Skimmed milk
d) Egg
ANSWER: a) Rice
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
ANSWER: b) milligram per deciliter
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
ANSWER: d) Stimulates formation of antibody
Q9. The hormone insulin is:
a) Glycolipid
b) Fatty acid
c) Peptide
d) Sterol
ANSWER: a) Glycolipid
Q10.When ants bite, they inject
a) Glacial acetic acid.
b) Methanol
c) Formic acid
d) Stearic acid
ANSWER: c) Formic acid
Red Ants are also known as Formica.
Q11. 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
ANSWER: (c) Carbon dioxide, water and energy
Explanation- In the cell breakdown of glucose occurs with the use of oxygen which is called aerobic respiration.
Q12. 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 .
ANSWER: (b) It respire in the absence of oxygen which breaks down glucose into alcohol.
Explanation- Yeast is single celled organism they respire anaerobically and during this process yield alcohol.
Q13. During breathing the unwanted particles such as smoke,dust,pollen etc get trapped in
(a) Trachea
(b) Pharynx
(c) Nasal cavity
(d) Lungs
ANSWER: (c) Nasal cavity
Explanation- The unwanted particles trapped in the hair present in our nasal cavity.
Q14. Blood transport substances like digested food from
(a) Small intestine
(b) Large intestine
(c) Stomach
(d) Pancreas
ANSWER: (a) Small intestine
Explanation- Blood transport digested food from small intestine to the other parts of body.
Q15. 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
ANSWER: (d) Red blood cells
Explanation- Red blood cells contain a red pigment called haemoglobin which binds oxygen and transport to all the parts of body.
Q16.A resting person usually has a pulse rate between
(a) 65-72
(b) 72-80
(C) 62-75
(d) 72-74
ANSWER: (b) 72-80
Explanation:-Normal pulse rate of healthy person.
Q17. From kidney urine goes into
(a) Ureter
(b) Urinary bladder
(C) Urethra
(d) Urinary opening
ANSWER: (a) Ureter
Explanation- Urine first enters into urinary bladder through ureter thereby it first enters into ureter.
Q18. An adult human being passes
(a) 1-1.8L of urine in 24 hours
(b) 2-2.5L of urine in 24 hours
(C) 3L of urine everyday
(d) 2-3L of urine in 24 hours
ANSWER: (a) 1-1.8L of urine in 24 hours
Q19. The process of filtering the blood periodically through artificial kidney is called
(a) Excretion
(b) Ejection
(c) Dialysis
(d) Filtering
ANSWER: (c) Dialysis
Q20.The leaves prepare food for the plant using
(a) Water and oxygen
(b) Oxygen and carbon dioxide
(C) Nitrogen and water
(d) Water and carbon dioxide
ANSWER: (d) Water and carbon dioxide
Explanation-This process is referred as photosynthesis which takes place in the presence of sunlight.
a) Purkinje
b) Robert Hooke
c) Schleiden
d) Virchow
ANSWER: b) Robert Hooke
Robert Hooke in 1665 and observed the cells in a cork slice with the help of primitive microscope
Q2. In which organ of the human body are the lymphocyte cells formed?
a) Liver
b) Long bone
c) Pancreas
d) Spleen
ANSWER: d) Spleen
The spleen is the largest mass of lymphatic tissue in the body measuring
about 12cm in length.
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
ANSWER: b) Endoplasmic Reticulum and Ribosome
Endoplasmic Reticulum consist of ribosome are responsible for protein synthesis .
Q4. Which organelle in the cell, other than nucleus, contains DNA?
a) Centriole
b) Golgi apparatus
c) Lysosome
d) Mitochondria
ANSWER: d) Mitochondria
Mitochondria also called as Power house of a cell and contain DNA.
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
ANSWER: b) Connective tissue
Q6.Which one among the following is not a good source of nutritional calcium?
a) Rice
b) Ragi
c) Skimmed milk
d) Egg
ANSWER: a) Rice
Rice milk should not be used to replace cow's milk ,pulses ,egg as a source of nutritional calcium.
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
ANSWER: b) milligram per deciliter
Normal blood glucose level 9-15 mg/100 ml of blood.
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
ANSWER: d) Stimulates formation of antibody
Antigen ,a foreign substance usually protein in nature ,elicits the formation of specific antibodies within an organisms.
Q9. The hormone insulin is:
a) Glycolipid
b) Fatty acid
c) Peptide
d) Sterol
ANSWER: a) Glycolipid
Insulin is a polypeptide hormone which is secreted from the a-cells of pancreas .Insulin decreases blood glucose level by increasing utilization of glucose , glucogenesis and synthesis of fat (lipogenesis).It promotes fat synthesis. Thus insulin is an anabolic hormone.
Q10.When ants bite, they inject
a) Glacial acetic acid.
b) Methanol
c) Formic acid
d) Stearic acid
ANSWER: c) Formic acid
Red Ants are also known as Formica.
Q11. 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
ANSWER: (c) Carbon dioxide, water and energy
Explanation- In the cell breakdown of glucose occurs with the use of oxygen which is called aerobic respiration.
Q12. 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 .
ANSWER: (b) It respire in the absence of oxygen which breaks down glucose into alcohol.
Explanation- Yeast is single celled organism they respire anaerobically and during this process yield alcohol.
Q13. During breathing the unwanted particles such as smoke,dust,pollen etc get trapped in
(a) Trachea
(b) Pharynx
(c) Nasal cavity
(d) Lungs
ANSWER: (c) Nasal cavity
Explanation- The unwanted particles trapped in the hair present in our nasal cavity.
Q14. Blood transport substances like digested food from
(a) Small intestine
(b) Large intestine
(c) Stomach
(d) Pancreas
ANSWER: (a) Small intestine
Explanation- Blood transport digested food from small intestine to the other parts of body.
Q15. 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
ANSWER: (d) Red blood cells
Explanation- Red blood cells contain a red pigment called haemoglobin which binds oxygen and transport to all the parts of body.
Q16.A resting person usually has a pulse rate between
(a) 65-72
(b) 72-80
(C) 62-75
(d) 72-74
ANSWER: (b) 72-80
Explanation:-Normal pulse rate of healthy person.
Q17. From kidney urine goes into
(a) Ureter
(b) Urinary bladder
(C) Urethra
(d) Urinary opening
ANSWER: (a) Ureter
Explanation- Urine first enters into urinary bladder through ureter thereby it first enters into ureter.
Q18. An adult human being passes
(a) 1-1.8L of urine in 24 hours
(b) 2-2.5L of urine in 24 hours
(C) 3L of urine everyday
(d) 2-3L of urine in 24 hours
ANSWER: (a) 1-1.8L of urine in 24 hours
Q19. The process of filtering the blood periodically through artificial kidney is called
(a) Excretion
(b) Ejection
(c) Dialysis
(d) Filtering
ANSWER: (c) Dialysis
Q20.The leaves prepare food for the plant using
(a) Water and oxygen
(b) Oxygen and carbon dioxide
(C) Nitrogen and water
(d) Water and carbon dioxide
ANSWER: (d) Water and carbon dioxide
Explanation-This process is referred as photosynthesis which takes place in the presence of sunlight.
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