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Current Affairs January 2024

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4

Chlorosis is the phenomenon where leaves have

A. more chlorophyll

B. less chlorophyll

C. no chlorophyll

D. patches of chlorophyll

Correct Answer :

C. no chlorophyll


Related Questions

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4

What are the symptoms of retinal deficiency?

A. Dry skin

B. Rough skin

C. Night blindness

D. Sensitiveness to light and ulcers

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4

The aphotic zone means that light is

A. always present

B. present during day

C. always absent

D. present during night

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4

Who first observed the plasma membrane?

A. William Seifriz

B. Schwann

C. Palade

D. None of the above

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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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4

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

Organisms which synthesise their own food are called

A. autotrophs

B. heterotrophs

C. saprotrophs

D. auxotrophs

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4

The following disease is prevented by triple-antigen immunization

A. Diphtheria

B. Tuberculosis

C. Smallpox

D. Mumps

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4

The metallic part of haemoglobin is

A. copper

B. molybdenum

C. nickel

D. iron

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4

Sleeping sickness in man is caused by the organism

A. plasmodium

B. entamoeba

C. giardia

D. trypanosome

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4

The mouth of a river opening into the sea is termed as

A. shore line

B. littoral zone

C. continental shelf

D. estuary

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4

The animal that excretes uric acid

A. Monkey

B. Lizard

C. Mouse

D. Elephant

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4

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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4

The brain is covered by

A. meninges

B. bone

C. skin

D. All the above

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4

The theory of use and disuse was used to explain evolution by

A. Lamarck

B. Darwin

C. De Vries

D. Wallace

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4

Accepted theory for the origin of life is

A. Cosmozoic theory

B. Biogenesis

C. Abiogenesis

D. Oparin's theory

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4

Polyploid wheat does not normally show an increase in

A. size

B. vigour

C. length of the life cycle

D. resistance to desease

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4

The normal temperature of human body on the Kelvin scale is

A. 280

B. 290

C. 300

D. 310

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4

Timberline shows

A. a line of trees

B. the limit of the forest

C. annual rings

D. height of trees

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4

Which of the following is NOT a viral disease?

A. Chicken-pox

B. Influenza

C. Epilepsy

D. Measles

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4

The plant that is dispersed with the help of water is

A. mango

B. coconut

C. teak

D. paddy

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4

The enzyme that is necessary to bring about clotting of blood is

A. peptidase

B. amylase

C. lipase

D. thrombokinase

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4

Which among the following is a communicable disease?

A. Beri Beri

B. Diabetes

C. Leucoderma

D. Dysentery

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4

The medulla oblongata encloses the

A. optic lobe

B. optic capsule

C. second ventricle

D. fourth ventricle

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4

Which among the following is a Cast growing tree?

A. Teak

B. Eucalyptus

C. Banyan

D. Coconut

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4

Which of the following diseases are not bacterial?

A. cholera and diphtheria

B. trichomonasis and malaria

C. tetanus and typhoid

D. tuberculosis and leprosy

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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

Athlete's Coot is the common name for the fungal disease

A. Tinea pedis

B. Tinea cruris

C. Tinea corporis

D. Tinea capitis

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4

Organisms that feed on the excreta of other organisms are called

A. autotrophs

B. heterotrophs

C. coprophagous

D. saprotrophs

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4

The study of ecology with pyramids was invented by

A. Darwin

B. Elton

C. Odum

D. Joshua

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4

The eland having endorine as well as exocrine function is

A. Adrenal gland

B. Thyroid gland

C. Pituitary gland

D. Pancreatic gland