Biology/MCQs Question and Answer -Biology Set I Sample Test,Sample questions

Question:
A yellow dust appears on the fingers, whenever we touch the middle of a flower. These tiny yellow grains are one of the most precious substances in nature because they contain the secret of plant life.  What is this dust called?

1.Pollen

2.Sperm

3.Spore

4.Sporocyst


Question:
 If a person can see an object clearly when it is placed at about 25cm away from him, he is suffering from:  

1.Myopia

2.Hyper- myopia

3.Astigmatism

4.None of the above


Question:
 In the given item consist of two statements, one labelled as 'Assertion (A)' and the other labelled as 'Reason (R)'. Assertion (A): Saturated fats are more reactive as compared to unsaturated fats. Reason (R): Molecules of unsaturated fats have double bonds. Select your answers to these items using the codes given below. Codes:

1.Both A and R are true and R is the correct explanation of A

2.Both A and R are true but R is not a correct explanation of A

3.A is true but R is false

4.A is false but R is true


Question:
 In the human body, the blood enters the aorta of the circulatory system from the:

1.Left atrium

2.Left ventricle

3.Right atrium

4.Right ventricle


Question:
 In which part of the body digestion of protein starts?

1.Mouth

2.Stomach

3. Duodenum

4.Intestine


Question:
 Leukaemia is a disease that results from some kind of disorder in the blood. Precisely, leukaemia occurs due to:

1.Haemoglobin increase in blood

2.Marked increase of white corpuscles in blood

3.Marked increase of protein and calcium

4.Marked reduction of proteins in blood


Question:
 Which of the following statement is related with the 'Sulphur shower'?

1.Discharge of large quantities of Crocus (yellow kesar) pollen grains into the air.

2. Discharge of large quantities of pinus pollen grains into the air forming yellowish clouds.

3.Release of a large amount of sulphur particles into the air from factories processing sulphur.

4. Release of a large amount of sulphur particles into the air near sulphur mines.


Question:
Brain and the spinal cord are invested by membranes called: 

1.Arachnoids        

2. Pleural membrane

3. Meninges        

4.None of these


Question:
Chromosome complement in Turner's syndrome is

1.47; XXY

2. 45; XO

3.46; XX

4.47; XYY


Question:
Excess of amino acids is broken down to form urea in:

1.Kidney

2.Liver

3. Spleen

4.Rectum


Question:
Fungi are plants that lack:

1.Oxygen

2.Carbon dioxide

3.Chlorophyll

4.None of these


Question:
Greatest number of Sweat glands are present in which part of the human body?

1.Forehead

2. Forearm

3.Palm of the hand

4.Back


Question:
Hargobind Khorana had researched on .....

1. Synthesis of simple DNA

2.Understanding the genetic code

3.Reduction of mutation

4.Synthesis of RNA from bacterial cell


Question:
Hay fever is an allergic reaction to the presence of the following in the air:

1.Dust      

2.Smoke

3.Pollen    

4.Moisture


Question:
Heart is made up of

1. Non-striated muscle

2.Cardiac muscle

3.Adipose tissue

4.Striated muscle


Question:
Hepatitis is a general term for a disease that is caused by:

1.Viruses

2.Bacteria

3.Parasites

4.All the above


Question:
How many bones comprise the adult human skeleton?

1.204 bones

2.206 bones

3.206 bones

4.214 bones


Question:
In how many times human will lose their consciousness if blood will stop flowing to the brain?

1. 2 sec

2.5 sec

3.15 to 20 sec

4. 5 min


Question:
In the given item consist of two statements, one labelled as 'Assertion (A)' and the other labelled as 'Reason (R)'. Assertion (A): Persons with AB blood group can accept blood from any blood group. Reason (R): They are universal acceptor Select your answers to these items using the codes given below.Codes:

1. Both A and R are true and R is the correct explanation of A

2.Both A and R are true but R is not a correct explanation of A

3.A is true but R is false

4.A is false but R is true


Question:
In the given item consist of two statements, one labelled as 'Assertion (A)' and the other labelled as 'Reason (R)'. Assertion (A): The sons of a colour blind woman are always colour blind but not the daughters. Reason (R): Colour blindness is a sex-linked character and such characters are transferred from mother to son only. Select your answers to these items using the codes given below. Codes:

1.Both A and R are true and R is the correct explanation of A

2.Both A and R are true and R is the correct explanation of A

3.A is true but R is false

4. A is false but R is true


Question:
Which of the following is a large blood vessel that carries blood away from the heart?

1.Vein

2.Artery

3.Capillary

4.Nerve


Question:
Mention the source of Liver, milk, egg yolk, fish liver oil?

1.Vitamin A

2.Vitamin B2

3. Vitamin D

4.Vitamin C


Question:
Mushrooms are/can be:  

1. A variety of fungus

2.Fleshy, fruiting bodies of the fungus

3.Grown in small sheds or plots

4. All the above


Question:
Name the acid that is secreted in the stomach?

1.HCl

2.H2S04

3.H2C03

4.HNO3


Question:
Name the corona virus that kills human?

1.AIDS

2.FAIDS

3.SARS

4.HIV


Question:
Proteins are made up of .......

1.Sugars

2.Amino acids

3.Fatty acids

4.Nucleic acids


Question:
Select correct match of the Biological theories or laws and Scientists.

1. Laws of Inheritance                      - Lamarck

2.Theories of Organic Evolution       - Darwin          

3.Theories of Natural Selection        - Mendel           

4.Germplasm Theory                        - Weismann


Question:
Select the correct match of the disease and its affected part.

1.Caries          - Epidermal tissue of the body

2.Ring worm    - Brain and Spinal cord

3.Meningitis     - Teeth

4.Pneumonia   - Lungs


Question:
Select the correct pair of disease and its causes:

1.Trichinosis  - Bacterial infections

2.Sleeping sickness - Eating uncooked Pork

3.Athlete’s foot- Fungus

4.Meningitis - Protozoan (bite of tsetse fly)


Question:
The behavioural pattern of which one of the following organisms may upset when DOT is used as pesticide?

1.Earthworm      

2.Snake

3.Fish      

4.Frog


Question:
Vaccination was started by.......

1.Jonas E. Salk

2.Paul Muller

3.Edward Jenner

4.Robert Frost


Question:
What causes the 'mad-cow disease' (Jakob-Creutzfeldt disease)?

1.Bacterium       

2.Virus

3.Viroid

4.Prion


Question:
What happen when the exposure to carbon monoxide (from coal gas) is extremely dangerous and can kill a patient?

1.The compound carboxy-haemoglobin (COHb) it forms with haemoglobin can gradually clot the blood resulting in circulatory failure.

2.COHb reduces the ability of blood to transport oxygen by rupturing a vast majority of erythrocytes.

3.COHb is stable compound and thus deprives blood of its ability to transport oxygen.

4.COHb greatly modifies the structure of haemoglobin thus making it lose its affinity for oxygen.


Question:
What is another name of Vitamin K? 

1.Nicotinic acid

2.Riboflavin

3.Thiamine

4.2 Methyl-1, 4-naphthoquinone


Question:
What is blood pressure?

1.It is the pressure that the blood clot exerts over the brain.

2.It is the pressure that blood receives on account of faulty commands from the brain.

3.It is the pressure that fatness or old age exerts on the body's circulatory system.

4.It is the amount of pressure on the blood as a result of the heart's pumping function and the resistance of the arterial walls.


Question:
What is the averages rate of the heart beats (per minute) in an adult?

1.60

2.72

3.84

4.96


Question:
What makes a reptile a reptile?

1.Cold blooded

2.Warm Blooded

3.Non-Hearing

4.Egg-laying


Question:
What part of the Quinine plant is commonly used drug for Malaria?

1.Leaves

2.Fruits

3.Root

4.Stem bark


Question:
What proportion of children is likely to be colour blindness when their parent (mother has normal vision & father has colour-blindness)?

1.0 per cent

2.25 per cent

3.50 per cent

4.100 per cent


Question:
Where does fertilization occurs in the female?

1. Fallopian tube

2.Uterus

3. Cervix

4. Vagina


Question:
Which among the following is not an example of carbohydrate?

1.Maltose

2.Fructose

3.Glycogen

4.Glycine


Question:
Which blood vessels have the smallest diameter?

1.Capillaries

2.Arterioles

3. Venules

4.Lymphatic


Question:
Which is a communicable disease?

1.Asthma

2.Scurvy

3.Measles

4.Diabetes


Question:
Which of the following are known as the suicide bags of cells?

1. Ribosomes

2.Golgi bodies

3.Lysosomes

4.Nucleoli


Question:
Which of the following blood group is considered as Universal Donor?

1. A

2.AB

3.B

4.O


Question:
Which of the following blood vessel that carries deoxygenated blood?

1.Aorta

2.Pulmonary artery

3.Hepatic artery

4.Pulmonary vein


Question:
Which of the following defence of the human body against bacteria?

1.Haemoglobin

2.Phagocytes

3.Red blood cells

4.Blood platelets


Question:
Which of the following disease occur when the replacement of breast feeding by less nutritive food, low in proteins and calories, infants below the age of one year?

1.Kwashiorkor

2.Marasmus

3.Rickets

4.Pellagra


Question:
Which of the following growth of human body affected by somatotrophic hormone?

1.Bones

2.Hair

3.Muscles

4. Connective tissue


Question:
Which of the following has the highest protein content per gram?

1.Groundnut

2.Soyabean

3.Apple

4.Wheat


Question:
Which of the following have Alpha-keratin as protein?

1. Blood

2.Eggs

3. Skin

4.Wool


Question:
Which of the following hormone controlled the blood pressure? 

1.Vasopressin     

2.Oxytocin

3.Estrogens        

4. Testosterone


Question:
Which of the following hormones is a steroid?

1.Estrogen

2. Glucagon

3.Insulin

4.Oxytocin


Question:
Which of the following is a sexually transmitted disease?  

1.Leukaemia

2.Hepatitis

3. Colour Blindness

4.All of the above


Question:
Which of the following is an air-borne disease?

1. Measles

2.Typhoid

3.Pink eye

4.None of the above


Question:
Which of the following is not a member of the vitamin B complex?

1.Thiamine

2.Riboflavin

3.Folic acid

4. Ascorbic acid


Question:
Which of the following is not a primary food product?  

1.Vegetables

2.Milk

3.Cereals

4.Fruits


Question:
Which of the following is the universal recipient blood group?

1.A

2.B

3.AB

4.O


Question:
Which of the following is the volume of the urine produced in an adult human every 24 hours?

1.1 litre

2. 1.5 litres

3.3.0 litres

4.5.0 litres


Question:
Which of the following led to the expulsion of milk from the breast during suckling?

1. Prolactin

2.Oxytocin

3.Vasopressin

4.Estrogen and Progesterone


Question:
Which of the following name of scientist and their field of work is correctly matched?

1.DNA/Double helix: F. Crick J. Watson, M. Wilkins

2.Modern classification of plants and animals based on a system: Harvey

3.Bacteria: Linnaeus

4.Blood travels in a continuous circuit: Leuwenhock


Question:
Which of the following nerves connected from the eyes to ears?

1.Cerebrum

2.Cerebellum

3.Medulla

4.Spinal cord


Question:
Which of the following pigment causes eye colour of person (brown eyes, blue eyes or black eyes)?

1.Cornea

2.Choroid

3.Iris

4.Vitreous body


Question:
Which of the following teeth of child (3-4 Years) is not a part of the milk teeth?

1.Incisors

2.Canines

3.Molars

4.Premolars


Question:
Which of the vegetables have abundance of Vitamins A and C?

1.Brinjal

2.Lady's finger

3.Potato

4. Tomato


Question:
Which one of the following is not a function of the liver?

1.Regulation of blood sugar

2.Enzyme activation

3.Detoxification

4.Reproduction


Question:
Which one of the following is not correctly matched?

1.Haemoglobin: Skin

2.Vitamin C: Scurvy

3.Carbohydrate: Potato

4.Fat: Butter


Question:
Which one of the following is not correctly matched?

1.Tuberculosis: Lungs

2.Filaria: Lymph nodes

3.Encephalitis: Heart

4.Leukaemia: Blood cells


Question:
Which one of the following is the richest source of vitamin C?

1.Guava    

2.Pineapple

3.Orange  

4.Tomato


Question:
Which one of the following organisms has a role in converting nitrates to free nitrogen?

1.Pseudomonas

2.Nitrosomonas

3.Nitrobacter      

4. Rhizobium


Question:
Which one of the following pairs is not correctly matched?

1.Becquerel: Radioactivity

2. Alexander Fleming: Penicillin

3.Louis Pasteur: Blood groups

4.William Harvey: Blood circulation


Question:
Which one of the following plant nutrients is not supplemented in the soil for growing legumes?

1.Nitrogen

2. Potassium

3.Phosphorus

4.None of these


Question:
Which one of the following systems of the body is primarily attacked by the HIV?

1.Cardiovascular

2.Immune

3.Respiratory

4.Reproductive


Question:
Which organ of the body produces the fluid known as bile?

1. Liver

2.Pancreas

3.Gall bladder

4.Kidney


Question:
Which vitamin is needed to prevent Xero-phthalmia?

1.A

2.B

3.C

4.D


Question:
Who among the following discovered the anti-rabies vaccine?

1.Edward Jenner

2.James Lind

3.Louis Pasteur

4.Robert Koch


Question:
Who said this statement? "I flatter myself having discovered the method that nature employs to purify air.  It is vegetation."

1. Antonine Laurent Lavoisier

2.Joseph Priestley

3.Louis Pasteur

4.William Harvey


Question:
Why it is not advisable to sleep under a tree at night?

1.Release of less oxygen

2.Release of more oxygen

3.Release of carbon dioxide

4.Release of carbon monoxide


Question:
Why the white blood corpuscles are popularly called "soldiers of the body”?

1. March at a regular pace

2.Appear uniform

3.Defend the body

4.Disciplined


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