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Current Affairs January 2024

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4

HIV causes

A. cancer

B. hepatitis

C. AIDS

D. Herpes

Correct Answer :

C. AIDS


Related Questions

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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 plants will stop growing if the shoot tip is cut off because

A. shoot tip produces growth hormones

B. shoot tip contains meristematic cells

C. shoot tip is the growing part

D. the plant dies

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Which one of the following was probably absent in the atmosphere at the time of origin of life?

A. Ammonia

B. Oxygen

C. Hydrogen

D. Carbon

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Modern classification of the living world recognise ___________ kingdoms.

A. two

B. three

C. four

D. five

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One of the following disease cannot be prevented by the DPT (triple-antigen) immunization of children.

A. Tetanus

B. Tuberculosis

C. Whooping cough

D. Diphtheria

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The primary energy for living organisms is

A. Solar energy

B. Chemical energy

C. Mitochondria

D. ATP

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The animal that excretes uric acid

A. Monkey

B. Lizard

C. Mouse

D. Elephant

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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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Maize is attacked by

A. Phytophthora

B. Pythium

C. Ustilago

D. Puccinia

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The human heart is

A. Neurogenic heart

B. Myogenic heart

C. Pulsating heart

D. Ampullary heart

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4

The workers in the honey bee colony are

A. males

B. females

C. sterile females

D. intersex

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The protein synthesis takes place in

A. Ribosomes

B. Chromosomes

C. DNA

D. None of these

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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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Vessels proceeding to the heart are

A. veins

B. arteries

C. capillaries

D. lymph ducts

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The development of new organs is termed

A. Parthenogenesis

B. Morphogenesis

C. Histogenesis

D. Paedogenesis

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If a father has blood group A and the mother has blood group 0, which one of the blood groups may be found in their progeny?

A. A

B. AB

C. O

D. Both (a) and (c)

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Malaria is transmitted from one person to another by

A. bad air

B. flies

C. anopheles mosquito

D. culex mosquito

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Desert plants are called

A. Xerophytes

B. Bryophytes

C. Pteridophytes

D. Halophytes

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Sleeping sickness in man is caused by the organism

A. plasmodium

B. entamoeba

C. giardia

D. trypanosome

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4

Who discovered the electron microscope?

A. Knoll and Ruska

B. Rudolf and Kolliker

C. Robert Hooke

D. CP Swanson

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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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The animal without urinary bladder is

A. Bird

B. Man

C. Rabbit

D. Cow

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The endocrine glands secrete

A. bile

B. harmones

C. sweat

D. genes

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Vitamin D is manufactured in a healthy human being by the action of _______ on the skin and absorbed in the blood stream.

A. ozone

B. radium

C. moonlight

D. sunlight

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4

The external ears of man are intended for

A. ornaments

B. scattering sound waves

C. collect sound waves

D. beauty

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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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4

Plant diseases are spread by

A. insects

B. man

C. wind

D. All the above

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A child goes on vomiting profusely and develops symptoms of diarrhoea. Chances are that in the child's blood serum there is a drop In

A. calcium

B. iron

C. sodium

D. phosphorus

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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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Which of the following is a good and rich source of vitamin 'C'?

A. Milk

B. Radish

C. Mango

D. Lemon Juice