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Current Affairs January 2024

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4

Consumption of potassium cyanide leads to total stoppage of cellular activity in the human body, as it cripples the

A. heart

B. lungs

C. kidneys

D. mitochondria

Correct Answer :

D. mitochondria


Related Questions

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Chlorosis is the phenomenon where leaves have

A. more chlorophyll

B. less chlorophyll

C. no chlorophyll

D. patches of chlorophyll

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Synthesis of nutrients by green plants is called

A. photo-oxidation

B. photo-respiration

C. photo-synthesis

D. photo-periodism

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4

The dinosaurs (terrible lizards) became very successful during

A. Palaeozoic era

B. Mesozoic era

C. Cenozoic era

D. Archaeozoic era

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The wall of the heart is made of programmed cell death is known as

A. voluntary muscles

B. involuntary muscles

C. cardiac muscles

D. skeletal muscles

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A biopsy is performed on a patient generally to detect which one of the following?

A. Cancer

B. Tuberculosis

C. Appendicitis

D. Renal failure

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Who is called the father of modem antiseptic surgery?

A. Edward Jenner

B. Joseph Lister

C. Louis Pasteur

D. William Harvey

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4

The suggestion that the chromosomes are the carriers of hereditary material was first made by

A. Johanson

B. Flemming

C. Sutton and Boveri

D. Morgan

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4

The rate of growth of plants can be measured by a/an

A. manometer

B. auxanometer

C. photometer

D. thermometer

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4

Enzymes are produced by

A. endocrine glands

B. exocrine glands

C. liver

D. spleen

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4

A few infections like sore throat, whooping cough and tuberculosis are carried through the respiratory system. Which among the following is caused by bacteria while passing through the respiratory tract?

A. diphtheria

B. dysentery

C. jaundice

D. typhoid

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4

Which one of the ecosystems Is the largest in the world?

A. forests

B. rivers

C. deserts

D. oceans

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4

The hormone that contains iodine is

A. Prolactin

B. Vasopressin

C. Thyroxine

D. Adrenalin

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4

Scurvy is a disease caused by the deficiency of vitamin.

A. A

B. B

C. C

D. D

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Geotropism is reaction of plants to the stimulus of

A. earth

B. light

C. sound

D. gravity

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4

The buffer substance in blood is

A. Calcium carbonate

B. Carbon dioxide

C. Sodium bicarbonate

D. Ammonia

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4

Maintenance of pregency is under the control of

A. Follicular stimulating hormone

B. Growth hormone

C. Estrogen

D. Progesterone

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4

Malarial parasite is brought to human host by

A. male anopheles mosquito

B. female anopheles mosquito

C. male culex

D. female culex

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4

Nephrons are found inside

A. Liver

B. Lung

C. Brain

D. Kidneys

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The energy for the sperm to swim and reach the egg is provided by

A. tail

B. head

C. neck

D. mitochondria

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Antibodies are formed in

A. lymph nodes

B. red bone marrow

C. spleen

D. liver

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The 'graveyard of the RBC' refers to

A. spleen

B. liver

C. bone marrow

D. thymus

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The Green Revolution in India owes much to

A. MS Swaminathan

B. TS Venkataraman

C. Norman Borlaug

D. Prime Minister

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4

The plant hormone which promotes ripening of fruits is

A. auxin

B. ethylene

C. gibberellin

D. cytokinin

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4

Darwinism does not explain

A. progression

B. retrogression

C. usefulness of all organs

D. presence of vestigial organs

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4

The aphotic zone means that light is

A. always present

B. present during day

C. always absent

D. present during night

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4

Which among the following vitamins is considered to be a harmone?

A. A

B. B

C. C

D. D

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4

The most primitive mammals are

A. carnivorous

B. herbivorous

C. omnivorous

D. insectivorous

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4

The grey matter of the brain is so coloured because of the concentration of

A. nerve cells

B. a pigment

C. nerve fibres

D. melanin

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4

The study of ecology with pyramids was invented by

A. Darwin

B. Elton

C. Odum

D. Joshua

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The life cycle of Malarial Parasite consists of two phases in man. Where do they occur?

A. In RBC and liver cells

B. In WBC and RBC

C. In lymph

D. In gall bladder and pancreas