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Current Affairs January 2024

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4

Mouth and foot diseases in cattle are caused by

A. Bacteria

B. Virus

C. Fungi

D. Pennicilium

Correct Answer :

B. Virus


Related Questions

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4

Sexual selection theory was propounded by

A. Wallace

B. De Vires

C. Lamarck

D. Charles Darwin

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Valves are present inside

A. arteries

B. capillaries

C. veins

D. aorta

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The first person to observe the bacteria, protozoa and spermatozoa under the microscope was

A. Theodore Schwann

B. Matthias Schleidon

C. Robert Hooke

D. Leuwenhoek

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4

The rate of heartbeat is accelerated by the hormone

A. adrenaline

B. acetylcholine

C. thyroxine

D. pituitrin

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The biologist who believed in the spontaneous creation of microorganisms was

A. Leuwenhock

B. Needham

C. Spallanzeni

D. Pasteur

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4

In a gamete there will be

A. one pair of sex chromosomes

B. only one sex chromosome

C. no sex chromosome

D. only autosomes

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4

Fledgling is a term often used to denote the young one of a

A. bird

B. fox

C. dog

D. man

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The hormone which is Popularly called as stress hormone is

A. Epinephrine

B. Cortisone

C. Thyroxine

D. Insulin

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4

The bird that lays the largest egg is

A. crow

B. ostrich

C. cuckoo

D. eagle

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DNA is found

A. only in cytoplasm

B. only in nucleus

C. in both cytoplasm and nucleus

D. in hybrid form only

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4

The universal recipient belongs to blood group

A. A

B. B

C. AB

D. O

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4

Intravascular clotting of blood is known as

A. anaemia

B. leucopenia

C. thrombosis

D. thrombin

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Calcium and phosphorus assimilation will depend on sufficient intake of

A. vitamin B complex

B. vitamin D

C. vitamin A

D. vitamin C

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4

The specific gravity of blood is

A. lower than water

B. higher than water

C. same as water

D. many times that of water

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4

Who was the first scientist to use an instrument for biological studies in 1665?

A. Robert Hooke

B. Schwann

C. Schleiden

D. None of the above

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4

The hormone secreted when one is frightened or excited

A. pituitrin

B. thyroxine

C. adrenaline

D. parathormone

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Injection of insulin causes

A. increase in glucose in blood

B. decrease in glucose in blood

C. increase in blood pressure

D. decrease in blood pressure

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What are halophytes?

A. plants found in fresh water

B. plants growing in saline conditions

C. mesophytic plants

D. desert plants

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When one gene controls two or more different characters simultaneously, the phenomenon is called

A. Apomixis

B. Pleiotropy

C. Polyploidy

D. Polyteny

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4

Insect pollination is known as

A. Hydrophily

B. Ornithophily

C. Anemophily

D. Entomophily

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4

From the end of the Triassic to the cretaceous period the earth was ruled by

A. eurypterids

B. cotylosaurs

C. dinosaurs

D. mammals

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4

Measles and influenza are caused by

A. virus

B. bacteria

C. insects

D. nematodes

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The two German scientists who proposed the 'cell theory' were

A. Mendel and 'Darwin

B. Theodore Schwann and Matthias Schleiden

C. Virchow and Purkinje

D. porter and Palade

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4

Haemophilia is a hereditary disease carried by

A. females and expressed by females

B. females and expressed by males

C. males and expressed by females

D. males and expressed by males

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4

Hypogeal germination is found in

A. castor

B. onion

C. bean

D. bengal gram

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4

The development of new organs is termed

A. Parthenogenesis

B. Morphogenesis

C. Histogenesis

D. Paedogenesis

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Dr Khorana's work relates to

A. synthesis of simple DNA

B. genetic code

C. reduction of mutation

D. synthesis of RNA from bacterial cell

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Phonoreceptor refers to the perception of

A. light

B. sound

C. touch

D. smell

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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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Sterilization, as the means for the prevention of sepsis in surgery, was practised and advocated by

A. Louis Pasteur

B. Edward .Jenner

C. Joseph Lister

D. Martinus Willem Beijerinck