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Current Affairs January 2024

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4

The equilibrium and co-ordination is looked after by which part of the brain?

A. Cerebrum

B. Medulla oblongata

C. Cerebellum

D. Olfactory lobes

Correct Answer :

C. Cerebellum


Related Questions

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Plants growing in saline marsh habitats are called

A. Xerophytes

B. Aerophytes

C. Saprophytes

D. Halophytes

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Mouth and foot diseases in cattle are caused by

A. Bacteria

B. Virus

C. Fungi

D. Pennicilium

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The blood clotting requires the vitamin

A. A

B. B

C. C

D. K

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The drug Ergot is obtained from

A. Alga

B. Fungus

C. Bacteria

D. Virus

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Which organelle in the cell, other than nucleus, contains DNA?

A. Centriole

B. Golgi apparatus

C. Lysosome

D. Mitochondrion

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The function of a cell wall is

A. to give definite shape to the cell

B. to provide mechanical strength and protection to the cell

C. to prevent the cell from desiccation

D. All the above

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Excess of amino-acids are broken down to form urea in the

A. Liver

B. Kidney

C. Spleen

D. Rectum

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Which of the following cell organelles play the most significant role in protein synthesis?

A. Lysosome and Centrosome

B. Endoplasmic reticulum and Ribosome

C. Golgi apparatus and Mitochondria

D. Lysosome and Mitochondria

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Viruses have

A. DNA only

B. RNA only

C. Either DNA or RNA

D. Both DNA and RNA

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4

Translocation of food takes place in plants through

A. xylem

B. phloem

C. cambium

D. cortex

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Blood clot Inside blood vessels is prevented by

A. heparin

B. fibrinogen

C. thrombin

D. prothrombin

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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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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

The plant hormone which promotes ripening of fruits is

A. auxin

B. ethylene

C. gibberellin

D. cytokinin

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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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The following disease is prevented by triple-antigen immunization

A. Diphtheria

B. Tuberculosis

C. Smallpox

D. Mumps

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The cavities of the brain are filled with

A. Blood

B. Lymph

C. Water

D. Cerebrospinal fluid

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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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The term 'Fauna' means

A. plant kingdom

B. animal kingdom

C. neither

D. Both

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Cutting and layering are the methods of plant propagation usually referred to as

A. asexual reproduction

B. sexual reproduction

C. vegetative reproduction

D. gardening

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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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What are oncogenes?

A. a dominant gene

B. a set of genes which produce cancer

C. a gene present in the X-chromosomes causing haemophilia

D. a recessive gene

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What ia leukaemia?

A. proliferation of WBC

B. decrease of RBC

C. increase of platelets

D. decrease of WBC

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Lactose and Rennin, the enzymes required to digest milk, disappear in the human body by the age of _______ years.

A. 2

B. 3

C. 5

D. 8

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Which among the following is a Cast growing tree?

A. Teak

B. Eucalyptus

C. Banyan

D. Coconut

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4

The biologist who believed in the spontaneous creation of microorganisms was

A. Leuwenhock

B. Needham

C. Spallanzeni

D. Pasteur

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Dinosaur is a/an

A. Fish

B. Amphibian

C. Reptile

D. Bird

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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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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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Prions are composed largely of

A. DNA

B. proteins

C. RNA

D. None of these