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Current Affairs January 2024

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The function of ribosomes is

A. Secretion

B. Excretion

C. Power house of the cell

D. Protein synthesis

Correct Answer :

D. Protein synthesis


Related Questions

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Pearl is secreted by the __________ of the pearl oyster.

A. foot

B. mantle

C. gills

D. None of these

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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 development of new organs is termed

A. Parthenogenesis

B. Morphogenesis

C. Histogenesis

D. Paedogenesis

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4

The insects do not have blood pigments because

A. there is no blood

B. blood does not have a respiratory function

C. tissues have pigments

D. pigments are elsewhere

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4

The Green Revolution in India owes much to

A. MS Swaminathan

B. TS Venkataraman

C. Norman Borlaug

D. Prime Minister

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Memory is the responsibility of

A. cerebrum

B. cerebellum

C. medulla oblongata

D. spinal cord

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Loss of blood is

A. clotting

B. receding

C. healing

D. drying up

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4

The larva of the housefly is called

A. maggot

B. caterpillar

C. grub

D. wriggler

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Valve a are present inside

A. Arteries

B. Capillaries

C. Veins

D. Lymph vessels

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4

Who considered evolution as due to mutation?

A. Charles Darwin

B. Lamarck

C. Hugo de Vries

D. Cuvier

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4

The most primitive mammals are

A. carnivorous

B. herbivorous

C. omnivorous

D. insectivorous

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4

Clotting of blood is

A. a chain reaction

B. reversible reaction

C. reflex action

D. no reaction

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4

Temperature treatment which shortens the vegetative period and hastens the flowering is called

A. Phototropism

B. Photoperiodism

C. Vernalisation

D. Thermoregulation

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4

The germ theory of diseases was put forward by

A. Louis Pasteur

B. Luister

C. Leuwenhoek

D. Flemming

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4

The cavities of the brain are filled with

A. Blood

B. Lymph

C. Water

D. Cerebrospinal fluid

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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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4

Dialysis is used when there is a failure of

A. heart

B. lungs

C. liver

D. kidneys

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Spontaneous generation signifying the development of living organisms from non-living has been termed

A. Biogenesis

B. Abiogenesis

C. Cosmozoic

D. Catastrophism

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4

The human heart is

A. Neurogenic heart

B. Myogenic heart

C. Pulsating heart

D. Ampullary heart

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4

Compared to the veins, the walls of arteries are

A. thicker

B. thinner

C. similar

D. very much thinner

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The theory of 'jumping genes' was propounded by

A. Gregor John Mendel

B. Thomas Hunt Morgan

C. Barbara McClintock

D. Watson and Crick

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Valves are present inside

A. arteries

B. capillaries

C. veins

D. aorta

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4

The artificial kidney is a

A. machine

B. transplant

C. another's kidney

D. other kidney form same body

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4

Which of the following diseases is not caused by a virus?

A. Cancer

B. Rabies

C. AlDS

D. Severe Acute Respiratory Syndrome (SARS)

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4

Nucleus was first discovered by

A. Porter

B. Robert Brown

C. Palade

D. None of these

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4

The tear glands help us in

A. sobbing

B. protecting the eye

C. preventing dust

D. providing a clean moist surface

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4

Eosinophil™s are stained by

A. alkaline dyes

B. acidic dyes

C. neutral dyes

D. vital stains

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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

The theory that cells arise from the pre-existing cells was proposed by

A. Nageli

B. Virchow

C. Schleiden

D. Muller

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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