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Current Affairs January 2024

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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

Correct Answer :

B. cones


Related Questions

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Which among the following is not a degenerative disease?

A. Diabetes

B. Stroke

C. Myocardial infraction

D. Rabies

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Valves are present inside

A. arteries

B. capillaries

C. veins

D. aorta

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What are top carnivores?

A. biggest carnivores

B. tigers

C. all carnivorous animals

D. carnivores that are not eaten by any other animal

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Eye is an organ that can be called as

A. Phonoreceptor

B. Thigmoreceptor

C. Photoreceptors

D. Rheoreceptor

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The human heart is

A. Neurogenic heart

B. Myogenic heart

C. Pulsating heart

D. Ampullary heart

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Infection of salivary glands by a virus leads to

A. tetanus

B. mumps

C. pyorrhoea

D. ulcers

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Which one of the endocrine glands disappears after puberty?

A. Thyroid

B. Thymus

C. Adrenals

D. Pituitary

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The part of the eye behind the lens is filled with

A. aqueous humor

B. vitreous humor

C. lymph

D. blood

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Bats can fly in the dark because

A. they have a better vision in the dark

B. the light startles them

C. they produce high pitched sounds called ultrasonics

D. None of the above

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Which one of the following genetical disease is sex-linked?

A. Royal haemophilia

B. Tay-Sachs disease

C. Cystic fibrosis

D. Hypertension

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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 crops helps in nitrogen fixation?

A. Rice

B. Wheat

C. Maize

D. Beans

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4

The hypoglossal nerves are the pairs of the spinal nerves

A. First pair

B. Second pair

C. Third pair

D. Fourth pair

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Which of the following is NOT a viral disease?

A. Chicken-pox

B. Influenza

C. Epilepsy

D. Measles

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HIV causes

A. cancer

B. hepatitis

C. AIDS

D. Herpes

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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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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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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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What is the bacterial disease in lime fruits?

A. Phythophthora

B. White rust

C. Citrus canker

D. Smut disease

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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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What is the colour of the outer portion of the spinal cord?

A. gray

B. brown

C. white

D. yellow

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The artificial kidney operates on the principle of

A. dialysis

B. diffusion

C. osmosis

D. active transport

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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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4

Agroecology relates

A. crops and productivity

B. crops and environment

C. crop productivity and physiology

D. crop resistance to climatic changes

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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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4

Mouth and foot diseases in cattle are caused by

A. Bacteria

B. Virus

C. Fungi

D. Pennicilium

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4

Scrub jungle Is characterised by

A. heavy rainfall

B. no rainfall

C. poor rainfall

D. none of the above

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Somato Tropic Hormone is concerned with

A. Body growth

B. Metamorphosis

C. Digestion

D. Reproduction

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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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Measles is caused by

A. bacteria

B. fungus

C. virus

D. protozoan