How many bones does man have?

206

How many bones does a newborn baby have?

300+

How many bones are there in the human skull?

8

Which is the most powerful bone in the body?

jaw

** Which is the longest bone of man?

Femur

Elements found in teeth and bones?

Calcium and phosphorus

Human bones weaken in old age?

Calcium deficiency

How many teeth develop twice in a human’s lifespan?

20

Milk protein digestive enzyme?

Renin

Where are the maximum nutrients absorbed in the blood?

small intestine

Saliva helps in digestion of?

Digestion of starch

Which enzyme is found in saliva?

Tilene

Bile is made by?

Liver

What is the main function of bile?

Fat emulsification

What is the function of a pacemaker?

Start heartbeat

What is the effect on blood pressure at bedtime?

Decreases

What is a blood pressure measuring instrument called?

Sphygmomanometer

How much is a healthy human’s heartbeat per minute?

72

What is a healthy human blood pressure?

120mm-80mm

What is the pH of human blood?

7.4

Who performs the function of the blood bank of the human body?

Spleen

What percentage of water is in human blood plasma?

80-82%

The blood purification process of the human body is called?

Dialysis

What causes red colour in blood?

Causes of haemoglobin

Where do red blood cells originate?

In bone marrow

How long is the lifespan of red blood cells ?

120 days

Who is called the RBC cemetery?

Spleen

What is the main function of white blood cells?

Immunity

Who discovered the blood group?

Landsteiner

Which blood type is the universal recipient?

AB

Which blood type is the universal donor?

O

What is the human mind’s intellect centre?

Cerebrum

Which is the largest cell in the human body?

Nerve cell

How many pairs of nerves come out of the spine in humans?

31

Where is the control center for reflex actions?

In vertebral cord

Where does the cell’s respiration function?

Mitochondria

What is the amount of O2 in the air exhaled by humans?

16%

What is the amount of CO2 in the air exhaled by humans?

4%

Which is the main nitrogenous waste material in the human body?

Urea

Where do mammals make urea?

In the Liver

What causes the yellow colour of urine?

Eurochrome

What is the maximum amount of urea found in the human body?

In urine

What is the combination of two gametes called?

Fertilisation

Which is called the master gland of the human body?

Pituitary gland

Which is the smallest gland of the human body?

Pituitary

Where is the pituitary gland found?

In the head

Which is the endocrine hormone stimulating thyroxine from the thyroid gland?

TSH (Thyroid Stimulating Hormone)

Where is growth hormone secreted?

Pituitary

Iodine is found in which hormone

Thyroxine

Which is the largest endocrine gland in the body?

Thyroid

What is the male sex hormone called?

Testosterone

Female sex hormones

Oestrogen

Blood pressure of the human body is controlled by?

Adrenal gland

From which gland is the life-saving hormone released?

Adrenal

Which gland of the human body acts as both endocrine and exocrine?

Pancreatic

Which cells secrete insulin?

Beta cell

Insulin is produced by?

By pancreas

Who discovered insulin?

Banting and Best

Most powerful muscles of the human body?

Jaw

What is the function of haemoglobin in the body?

Oxygen transport

Which one is the regulation centre of observation and vomiting in the human brain?

Medulla Oblongata

Human skin color

From melanin

EEG is used to record whose activity?

Brain

Normal levels of cholesterol in human blood

140–180 mg

Who connects muscle to bone?

Tendon

Which gland in the human body is related to the stimulation of the body?

Adrenal gland

How many grams is the human brain?

1350 grams

The longest bone of the human body

Femoral bone

Which enzyme in human tears causes bacteria to die?

Lysozyme

The human body has how many numbers of essential amino acids?

20

The name of the first test tube baby was?

Louis

How many chambers are there in a frog’s heart?

3

What animal was the first cloned animal dolly?

The sheep

What is the only nest making snake?

King Cobra

The fish used to control mosquitoes?

Gambusia

How many bones does a shark fish have?

0

The chameleon changes color due to whose presence?

Chromatic

Which is the largest living bird on Earth?

Ostrich

The only bird that flies backwards?

Hummingbird

Snakes have no ears, how do they feel sound?

From the skin

Where life originated?

In the water

Who discovered penicillin?

Alexander Fleming

Who created the principle of natural selection?

Darwin

Who discovered the rabies vaccine?

Pasteur

Who is the father of modern antiseptic surgery?

Lister

By whom heredity was called genetics?

Watson

The first replacement of the heart was done by?

Doctor Christian Bernard ( 3 December 1967 in Cape Town, South Africa)

Blood is a _________________.

A connective tissue

What is a mushroom?

Fungi

Who acts as fertilizer in rice crops?

Blue green algae

What causes a disease called athlete’s foot?

From fungi

By whom does milk turn sour?

Bacteria

By whom does biodegradation take place?

Bacteria

HIV disease

AIDS

What causes AIDS?

Virus

What causes foot and mouth disease in animals?

Virus

_______ are Hydrophytes.

Aquatic plants

Who first discovered the bacteria?

Antoni Van Leeuwenhoek

What causes measles?

Virus

Who first used biology?

Lamarck and Traviernes

Who is the father of biology?

Aristotle

Who is the father of botany?

Greek Theophrastus

Who is the father of modern botany?

Linnaeus

Who is the father of medical science?

Hippocrates

Study of the environment comes in which branch of biology?

Ecology

What is studied in fossil botany?

Fossil

What is studied in Exo-Biology?

Proponents of the life pattern in outer planets and space

Who is the propounder of the binomial method?

Linnaeus in living cell

The virus grows

In living cell

Which part of the plant receives the stimulus to become a flower?

Leaf

What is a carrot?

Root

Which part of the potato is eaten?

Stem

Who did the synthesis of DNA in the laboratory?

Khurana

What are Ribozymes?

They are are RNA molecules 

Who first used the word gene?

Johansson

Which scientist first gave the name Cell?

Robert Hook

Which structure divides animal cells from plant cells?

Centriole

What are Ribozymes?

They are are RNA molecules 

What is the function of ribosomes?

Protein synthesis

Which is the protein manufacturing site?

Ribosome

The outermost covering of a plant cell is called?

Cell wall

What is called suicide bag of cells?

Lysosome

White colour of milk is due to

Casein

Provides a variety of attractive colours to flowers and seeds?

Chromoplast

What causes the green colour of the leaves?

Chloroplast

                 carries water and other nutrients to the different parts of the plant?

Xylem

How do plant roots draw water from the soil?

Osmosis

                 transports food from the leaves of the plant to the different parts of the plant?

Phloem

Actively participates in cell respiration?

Mitochondria

More than 80% in human body

Water 

Golgi apparatus main work

packages proteins into membrane-bound vesicles inside the cell before the vesicles are sent to their destination.

Which cell organizes DNA?

Mitochondria

Where is the highest biodiversity found?

In tropical rainforests

Red data book gives information about those Species which?

rare and endangered species

Pigment that protects the flora from the side effects 

of ultraviolet rays?

Phycocyanin

“Eco Mark” is given to which Indian products?

friendly to the environment