biology

Question 1

Which vitamin is needed for a healthy immune system, low-light vision, and healthy skin

Answer 1

Vitamin A

Question 2

Chicken Pox, Influenza, hepatitis, dengue, polio, rabies, AIDS, rinderpest, swine flu and common cold are caused by which micro-organism?

Answer 2

Virus

Question 3

Beriberi is caused by deficiency of which vitamin

Answer 3

Vitamin B1 (Thiamine)

Question 4

Oxygen which is vital for life is a product of photosynthesis and comes from

Answer 4

water

Question 5

Which vitamin is a fat-soluble vitamin that plays a role in blood clotting, bone metabolism and regulating blood calcium levels

Answer 5

Vitamin K

Question 6

The smallest and longest bones in the human body are and respectively.

Answer 6

stapes, femur

Question 7

Which plant tissue is responsible for the transportation of water and minerals from the soil to the stems and leaves?

Answer 7

Xylem

Question 8

8 Scurvy (disease of Skin) is caused by deficiency of which vitamin

Answer 8

Vitamin C

Question 9

9 The suicidal bags [digestive bag, or Atom Bomb of the cell are

Answer 9

Lysosomes

Question 10

are also called the amphibians of the plant kingdom.

Answer 10

Bryophytes

Question 11

Which is a rare disease caused by the prolonged deficiency of Vitamin D that causes the bones to become soft and to bend?

Answer 11

Rickets

Question 12

Robert Hooke discovered the cell in 1665 by observing a under a microscope.

Answer 12

Piece of cork

Question 13

Which is called the ‘powerhouse of the cell’?

Answer 13

Mitochondria

Question 14

The most common cause of Goiters (Irregular growth of the thyroid gland) worldwide is a lack of

Answer 14

Iodine

Question 15

What are the 3 main classes of Algae?

Answer 15

Chlorophyceae (Green), Phaeophyceae (Brown) and Rhodophyceae (Red)

Question 16

Identify the part of brain that controls the maintenance of posture, balance and equilibrium

Answer 16

Cerebellum

Question 17

17 In humans, each cell normally contains pairs of chromosomes.

Answer 17

23

Question 18

Which Vitamin is popularly known as the ‘sunshine vitamin’ as it is obtained from Sun rays?

Answer 18

Vitamin D

Question 19

Riboflavin present in fish is also known as:

Answer 19

Vitamin B2

Question 20

The Bacille Calmette-Guerin vaccine (popularly called BCG vaccine) is a vaccine to prevent which of these diseases?

Answer 20

tuberculosis

Question 21

Which gland/organ in human body secretes bile juice?

Answer 21

Liver

Question 22

What is the dominant substance that makes up the hair, nails, Hoofs, Horns and the top layer of skin in the human body?

Answer 22

Keratin

Question 23

What is the coloured ring of tissue behind the cornea called, that regulates the amount of light entering the eye, by adjusting the size of the pupil?

Answer 23

Iris

Question 24

The metal, which is a constituent of vitamin B 12 is

Answer 24

Cobalt

Question 25

Which is the universal recipient/ Acceptor blood group?

Answer 25

AB+

Question 26

An adult human body has bones.

Answer 26

206

Question 27

If waste materials contaminate the source of drinking water or food, which disease will spread

Answer 27

Typhoid

Question 28

Which one of the Endocrine glands is known as master gland

Answer 28

Pituitary

Question 29

The Five Kingdom Classification of living organism was first proposed by:

Answer 29

Robert Harding Whittaker

Question 30

Who discovered the blood groups?

Answer 30

Karl Landsteiner

Question 31

Which type of micro-organism causes typhoid

Answer 31

Bacteria

Question 32

The average heart beat rate per minute in a normal person is

Answer 32

72

Question 33

Which Vitamin is essential for the absorption of calcium in bones and teeth

Answer 33

vitamin D

Question 34

Water-soluble vitamins are

Answer 34

Vitamin B and C

Question 35

Ginger, Turmeric & Onion are modified

Answer 35

Stem

Question 36

has the highest protein content per gram?

Answer 36

Soyabean

Question 37

The is the site of complete digestion of carbohydrates, proteins and fats in the human body.

Answer 37

small intestine

Question 38

A disease caused by fungus is:

Answer 38

Ringworm

Question 39

The human eye is like a camera. Its lens system forms an image on a light sensitive screen called the

Answer 39

retina

Question 40

RBCs (Red Blood Cells) are formed in the _______________ in the adults

Answer 40

Red bone marrow

Question 41

Enzymes are ________________ that act as catalysts within the living cells

Answer 41

proteins

Question 42

42 Taenia (Tapeworm), Fasciola (Liver fluke) are examples of which Phylum

Answer 42

Platyhelminthes (flatworms

Question 43

Which component of blood helps in the formation of blood clots

Answer 43

Platelets

Question 44

The innermost part of a flower is called the

Answer 44

Pistil

Question 45

45 Which is the largest living flightless, tallest bird

Answer 45

Ostrich

Question 46

46 The functional unit of the kidney is

Answer 46

Nephron

Question 47

is a branch of biologi that studies fungi

Answer 47

Mycology

Question 48

48 The pigment that gives human skin, hair and eyes their colour is called

Answer 48

melanin

Question 49

49 Which is the largest gland in human body?:-

Answer 49

Pancreas

Question 50

50 Jaundice is caused due to the infection of

Answer 50

liver

Question 51

Which acid is responsible for muscle fatigue in humans

Answer 51

Lactic acid

Question 52

Which disease is caused by severe deficiency of proteins

Answer 52

Kwashiorkor

Question 53

Both, haemoglobin and myoglobin require ___________ for formation

Answer 53

Iron

Question 54

Which cell organelle is a stacked membranous sac of ER-like thickness that helps to process and package proteins and lipid molecules, especially fixed proteins?

Answer 54

Golgi apparatus

Question 55

Clove, the commonly used spice, is obtained from the .

Answer 55

Flower bud

Question 56

Which is the usual reproductive part of a plant?

Answer 56

Flower

Question 57

Who discovered the first vaccine for smallpox

Answer 57

Edward Jenner

Question 58

What name was assigned to the world’s first clone of an adult Sheep by the British scientists

Answer 58

Dolly

Question 59

The structure in cells which contains light absorbing pigment is

Answer 59

Chloroplast

Question 60

The pigment involved in photosynthetic activity

Answer 60

Chlorophyll

Question 61

Which protein — sugar pair is present in milk

Answer 61

Casein, Lactose

Question 62

Green leaves make their food by the process of photosynthesis using _________ and water. This happens in the presence of sunlight.

Answer 62

Carbon Di-oxide

Question 63

Which enzyme is found in saliva and pancreatic juice of human body which breaks down starch into simple sugar?

Answer 63

Amylase

Question 64

Which chromosomal combination is responsible for maleness in man?

Answer 64

XY

Question 65

Which is the CORRECT pair of inherited chromosomes for the child to be a girl

Answer 65

from father and X from mother

Question 66

Who discovered the circulation of Blood

Answer 66

William Harvey

Question 67

which test is used to confirm the presence of typhoid fever?

Answer 67

Widal Test

Question 68

Cod liver oil and carrot are source of

Answer 68

Vitamin A

Question 69

Xerophthalmia is a deficiency disease caused by lack of

Answer 69

Vitamin A

Question 70

By which process water comes out of leaves in the form of vapour

Answer 70

Transpiration

Question 71

Pituitary gland is located in

Answer 71

the base of the brain

Question 72

Name the acid present in Tamarind and Grapes.

Answer 72

Tartaric acid

Question 73

saliva secreted in the mouth digests

Answer 73

Starch

Question 74

Malaria and Kala Azar are caused by:

Answer 74

protozoa

Question 75

Which organ of human body secretes Insulin?

Answer 75

Pancreas

Question 76

The gas released during photosynthesis

Answer 76

Oxygen

Question 77

are the primary female sex organs that produce the female gamete (ovum) and several steroid hormones (ovarian hormones).

Answer 77

Ovaries

Question 78

functional unit of life

Answer 78

cell

Question 79

Which of the following comes under Mollusca?

Answer 79

Octopus

Question 80

A person with the blood group is considered to be a universal donor.

Answer 80

O negative

Question 81

Minamata disease is a nervous disorder caused by eating fish, polluted with

Answer 81

Mercury

Question 82

Chlorophyll contains ______________

Answer 82

Magnesium

Question 83

Which bacteria is responsible for the formation of curd?

Answer 83

Lactobacillus Acidophillus

Question 84

In 1930, which scientist was awarded the Nobel Prize for describing the human ABO blood group system?

Answer 84

Karl Landsteiner

Question 85

Blood fails to clot while flowing in the blood vessel because of the presence of

Answer 85

Heparin

Question 86

___________- is responsible for oxygen transportation in humans.

Answer 86

Haemoglobin

Question 87

The DPT vaccine is given to young babies to protect them from:

Answer 87

Diphtheria, Pertussis, whooping cough and tetanus

Question 88

Diploblastic animals, Adamsia (Sea anemone), Pennatula (Sea-pen), Aurelia (Medusa) and Adamsia (Polyp) are examples of which Phylum?

Answer 88

Coelenterata

Question 89

Malaria can be cured with a drug “quinine” extracted from:

Answer 89

Cinchona tree

Question 90

Which disease spreads when affected persons excreta gets mixed with drinking water

Answer 90

Cholera

Question 91

Who gave ‘The Theory of Natural Selection’ / “Theory of Evolution

Answer 91

Charles Robert Darwin

Question 92

is not a connective tissue.

Answer 92

Cardiac Muscle / Skeletal Muscle

Question 93

With which gas does Haemoglobin has maximum affinity?

Answer 93

Carbon monoxide

Question 94

Who is known as the Father of Zoology

Answer 94

aristotle

Question 95

is richest in Vitamin C?

Answer 95

Amla or lemon

Question 96

Normal fasting blood sugar level per 100 ml. of blood in man is

Answer 96

80-100 mg

Question 97

On an average how many million Red Blood Cells are present in a healthy human adult man per mm3 of blood?

Answer 97

5-5.5 million

Question 98

Normal blood pressure of man is

Answer 98

120/80 mm hg

Question 99

Plants which can survive in very less water are called as

Answer 99

Xerophytes

Question 100

Name a genus of widely distributed floating aquatic plants that is the smallest monocot plant known to date and has the highest total protein content.

Answer 100

wolffia