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prelims GK > biology > Flashcards

biology Flashcards

1
Q

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

A

Vitamin A

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2
Q

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

A

Virus

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3
Q

Beriberi is caused by deficiency of which vitamin

A

Vitamin B1 (Thiamine)

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4
Q

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

A

water

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5
Q

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

A

Vitamin K

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6
Q

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

A

stapes, femur

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7
Q

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

A

Xylem

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8
Q

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

A

Vitamin C

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9
Q

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

A

Lysosomes

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10
Q

are also called the amphibians of the plant kingdom.

A

Bryophytes

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11
Q

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

A

Rickets

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12
Q

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

A

Piece of cork

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13
Q

Which is called the ‘powerhouse of the cell’?

A

Mitochondria

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14
Q

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

A

Iodine

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15
Q

What are the 3 main classes of Algae?

A

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

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16
Q

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

A

Cerebellum

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17
Q

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

A

23

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18
Q

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

A

Vitamin D

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19
Q

Riboflavin present in fish is also known as:

A

Vitamin B2

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20
Q

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

A

tuberculosis

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21
Q

Which gland/organ in human body secretes bile juice?

A

Liver

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22
Q

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

A

Keratin

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23
Q

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?

A

Iris

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24
Q

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

A

Cobalt

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25
Q

Which is the universal recipient/ Acceptor blood group?

A

AB+

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26
Q

An adult human body has bones.

A

206

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27
Q

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

A

Typhoid

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28
Q

Which one of the Endocrine glands is known as master gland

A

Pituitary

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29
Q

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

A

Robert Harding Whittaker

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30
Q

Who discovered the blood groups?

A

Karl Landsteiner

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31
Q

Which type of micro-organism causes typhoid

A

Bacteria

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32
Q

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

A

72

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33
Q

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

A

vitamin D

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34
Q

Water-soluble vitamins are

A

Vitamin B and C

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35
Q

Ginger, Turmeric & Onion are modified

A

Stem

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36
Q

has the highest protein content per gram?

A

Soyabean

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37
Q

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

A

small intestine

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38
Q

A disease caused by fungus is:

A

Ringworm

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39
Q

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

A

retina

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40
Q

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

A

Red bone marrow

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41
Q

Enzymes are ________________ that act as catalysts within the living cells

A

proteins

42
Q

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

A

Platyhelminthes (flatworms

43
Q

Which component of blood helps in the formation of blood clots

A

Platelets

44
Q

The innermost part of a flower is called the

A

Pistil

45
Q

45 Which is the largest living flightless, tallest bird

A

Ostrich

46
Q

46 The functional unit of the kidney is

A

Nephron

47
Q

is a branch of biologi that studies fungi

A

Mycology

48
Q

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

A

melanin

49
Q

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

A

Pancreas

50
Q

50 Jaundice is caused due to the infection of

A

liver

51
Q

Which acid is responsible for muscle fatigue in humans

A

Lactic acid

52
Q

Which disease is caused by severe deficiency of proteins

A

Kwashiorkor

53
Q

Both, haemoglobin and myoglobin require ___________ for formation

A

Iron

54
Q

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?

A

Golgi apparatus

55
Q

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

A

Flower bud

56
Q

Which is the usual reproductive part of a plant?

A

Flower

57
Q

Who discovered the first vaccine for smallpox

A

Edward Jenner

58
Q

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

A

Dolly

59
Q

The structure in cells which contains light absorbing
pigment is

A

Chloroplast

60
Q

The pigment involved in photosynthetic activity

A

Chlorophyll

61
Q

Which protein — sugar pair is present in milk

A

Casein, Lactose

62
Q

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

A

Carbon Di-oxide

63
Q

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

A

Amylase

64
Q

Which chromosomal combination is responsible for
maleness in man?

A

XY

65
Q

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

A

from father and X from mother

66
Q

Who discovered the circulation of Blood

A

William Harvey

67
Q

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

A

Widal Test

68
Q

Cod liver oil and carrot are source of

A

Vitamin A

69
Q

Xerophthalmia is a deficiency disease caused by lack
of

A

Vitamin A

70
Q

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

A

Transpiration

71
Q

Pituitary gland is located in

A

the base of the brain

72
Q

Name the acid present in Tamarind and Grapes.

A

Tartaric acid

73
Q

saliva secreted in the mouth digests

A

Starch

74
Q

Malaria and Kala Azar are caused by:

A

protozoa

75
Q

Which organ of human body secretes Insulin?

A

Pancreas

76
Q

The gas released during photosynthesis

A

Oxygen

77
Q

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

A

Ovaries

78
Q

functional unit of life

A

cell

79
Q

Which of the following comes under Mollusca?

A

Octopus

80
Q

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

A

O negative

81
Q

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

A

Mercury

82
Q

Chlorophyll contains ______________

A

Magnesium

83
Q

Which bacteria is responsible for the formation of
curd?

A

Lactobacillus Acidophillus

84
Q

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

A

Karl Landsteiner

85
Q

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

A

Heparin

86
Q

___________- is responsible for oxygen transportation in humans.

A

Haemoglobin

87
Q

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

A

Diphtheria, Pertussis, whooping cough and tetanus

88
Q

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

A

Coelenterata

89
Q

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

A

Cinchona tree

90
Q

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

A

Cholera

91
Q

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

A

Charles Robert Darwin

92
Q

is not a connective tissue.

A

Cardiac Muscle / Skeletal Muscle

93
Q

With which gas does Haemoglobin has maximum
affinity?

A

Carbon monoxide

94
Q

Who is known as the Father of Zoology

A

aristotle

95
Q

is richest in Vitamin C?

A

Amla or lemon

96
Q

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

A

80-100 mg

97
Q

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

A

5-5.5 million

98
Q

Normal blood pressure of man is

A

120/80 mm hg

99
Q

Plants which can survive in very less water are called
as

A

Xerophytes

100
Q

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.

A

wolffia

101
Q
A

prelims GK (12 decks)

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