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Current Affairs January 2024

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4

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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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

What is the bacterial disease in lime fruits?

A. Phythophthora

B. White rust

C. Citrus canker

D. Smut disease

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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

The hypothesis that living matter originated in the past from non-living matter is supported by

A. Fossil records

B. Miller's experiments

C. Pasteur experiment

D. Spallanzeni experiment

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4

Which of the following terms is used in Botany?

A. Recession

B. Dumping

C. Barter System

D. Biennial

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4

Heart is made up of

A. nonstriated muscle

B. cardiac muscle

C. connective tissue

D. nervous tissue

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4

The method of inducing artificial immunity was discovered by

A. Jenner

B. Tolstoy

C. Pasteur

D. Morgan

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4

The acid that is secreted in the stomach is

A. HCI

B. H2SO4

C. H2CO3

D. HNO3

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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

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4

Phenylketonuria is an example of an inborn error of metabolism. Thins error refers to

A. hormonal overproduction

B. atrophy of endocrine glands

C. inherited lack of an enzyme

D. nondisjuction of chromosomes

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4

Insect pollination is known as

A. Hydrophily

B. Ornithophily

C. Anemophily

D. Entomophily

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4

Waldeyer gave the name

A. microsome

B. chromosome

C. ribosome

D. lysosome

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4

Somato Tropic Hormone is concerned with

A. Body growth

B. Metamorphosis

C. Digestion

D. Reproduction

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4

Vessels leaving the heart are

A. veins

B. arteries

C. capillaries

D. lymph ducts

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4

The age of a tree can be determined by

A. counting the number of annual rings

B. thickness of the bark

C. the bulk of the tree

D. the number of leaves

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4

The principal reason why it is better to have two eyes than one is that

A. by having two eyes, one can distinguish colours more easily

B. by having two eyes, one can easily see in the dark and dim light

C. this gives the man a type of vision known as mosaic vision

D. this enhances depth perception in the humans

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4

The following disease is prevented by triple-antigen immunization

A. Diphtheria

B. Tuberculosis

C. Smallpox

D. Mumps

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4

In plants water is carried upwards by

A. phloem

B. paranchyma

C. xylem

D. meristem

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4

The most accepted theory of the origin of earth is the fiery origin which was propounded by

A. Laplace

B. Chamberlain

C. James Jean

D. Hoyle

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4

Blood platelets are found in

A. all vertebrates

B. all chordates

C. mammals only

D. birds and mammals

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4

Vitamins A and C are predominantly present in

A. brinjal

B. lady's finger

C. potato

D. tomato

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Polyploid wheat does not normally show an increase in

A. size

B. vigour

C. length of the life cycle

D. resistance to desease

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4

The ultimate substances to which the carbohydrates are degraded are

A. amino acid

B. glycerol

C. glucose

D. maltose

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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

Higher plants take up nitrogen as

A. Nitrites only

B. Nitrates only

C. Nitrates and Ammonia

D. Urea

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4

The artificial kidney operates on the principle of

A. dialysis

B. diffusion

C. osmosis

D. active transport

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The thrombocytes are associated with

A. blood coagulation

B. transport of respiratory gases

C. removal of nitrogenous wastes

D. All the above

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4

Deciduous forests are those with trees

A. that are evergreen

B. that shed leaves periodically

C. that have needle like leaves

D. that have no leaves at all

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4

Antibodies are formed in

A. lymph nodes

B. red bone marrow

C. spleen

D. liver

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4

Compared to the veins, the walls of arteries are

A. thicker

B. thinner

C. similar

D. very much thinner