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Current Affairs January 2024

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The theory of use and disuse was used to explain evolution by

A. Lamarck

B. Darwin

C. De Vries

D. Wallace

Correct Answer :

A. Lamarck


Related Questions

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The hormone secreted when one is frightened or excited

A. pituitrin

B. thyroxine

C. adrenaline

D. parathormone

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The study of heart is called

A. haematology

B. cardiology

C. pathology

D. nephrology

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The cellular and molecular control o( programmed cell death is known as

A. Apoptosis

B. Ageing

C. Degeneration

D. Necrosis

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4

What are the symptoms of Xeroph-thalmia?

A. eye weakness

B. dry skin and night blindness

C. nervous break down

D. All the above

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The following disease is prevented by triple-antigen immunization

A. Diphtheria

B. Tuberculosis

C. Smallpox

D. Mumps

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Blood clot Inside blood vessels is prevented by

A. heparin

B. fibrinogen

C. thrombin

D. prothrombin

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4

Colour vision is made possible by the cells in the retina called

A. rods

B. cones

C. fovea

D. blind spot

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The metallic part of haemoglobin is

A. copper

B. molybdenum

C. nickel

D. iron

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4

The pH of normal urine of man ranges from

A. 6 - 8

B. 4.5 - 6

C. 2.5 - 6

D. 8 10

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4

The two minerals required to keep teeth and bones intact and in good condition are

A. lead and zinc

B. calcium and phosphorus

C. copper and sulphur

D. iron and iodine

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4

Sex linked genes are carried by

A. X-chromosomes

B. Y-chromosomes

C. different part of X- and Y-chromosomes

D. autosomes

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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

Blood is a kind of

A. epithelial tissue

B. connective tissue

C. nervous tissue

D. cartilage

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4

Louis Pasteur developed the vaccine for ______ for the first time.

A. smallpox

B. cowpox

C. tetanus

D. chicken cholera

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4

The 'graveyard of the RBC' refers to

A. spleen

B. liver

C. bone marrow

D. thymus

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Chemical substances that called have effect on growth of plants are called

A. enzymes

B. catalysts

C. hormones

D. pesticides

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In plants water is carried upwards by

A. phloem

B. paranchyma

C. xylem

D. meristem

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The dinosaurs (terrible lizards) became very successful during

A. Palaeozoic era

B. Mesozoic era

C. Cenozoic era

D. Archaeozoic era

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4

Bacteria utilising radiant energy to prepare food are

A. chemosynthetic bacteria

B. heterotrophic bacteria

C. photosynthetic bacteria

D. free living bacteria

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4

Riboflavin is otherwise known as

A. vitamin B-complex

B. vitamin B2

C. vitamin A

D. vitamin E

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4

Measles is caused by

A. bacteria

B. fungus

C. virus

D. protozoan

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Fibrinogen is present in

A. lymph

B. liver

C. blood plasma

D. pancreas

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The artificial kidney is a

A. machine

B. transplant

C. another's kidney

D. other kidney form same body

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Carbohydrates are mainly needed for

A. growth

B. immunity

C. repair

D. energy

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Scrub jungle Is characterised by

A. heavy rainfall

B. no rainfall

C. poor rainfall

D. none of the above

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Human blood is oxygenated and purified in the

A. heart

B. lungs

C. liver

D. kidneys

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The science of improving the hereditary qualities of future generations of mankind is referred to as

A. genetics

B. eugenics

C. epigenesist

D. epistasis

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4

Turner's syndrome is a disease caused by

A. bacteria

B. virus

C. fungus

D. chromosomal imbalance

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4

Which of the following diseases is water borne?

A. Cholera

B. Malaria

C. Filiariasis

D. None of the above

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4

The part of the brain in Control of Voluntary muscles is

A. cerebellum

B. medulla oblongata

C. pons

D. cerebrum