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Current Affairs January 2024

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4

Synthesis of nutrients by green plants is called

A. photo-oxidation

B. photo-respiration

C. photo-synthesis

D. photo-periodism

Correct Answer :

C. photo-synthesis


Related Questions

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4

Which among the following is the best source of proteins?

A. apples

B. butter

C. beans

D. fish

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4

The pH of normal urine of man ranges from

A. 6 - 8

B. 4.5 - 6

C. 2.5 - 6

D. 8 10

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4

The spores of Puccinia formed on the leaves of wheat are called

A. Basidiospores

B. Ascidiospores

C. Uredospores

D. Pycnospores

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4

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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4

It Is not advisable to sleep under a tree at night because of release of

A. oxygen in a lesser quantity than the required levels

B. oxygen in large amounts

C. carbon monoxide

D. carbon dioxide

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4

Oparin is known for his hypothesis on

A. origin of species

B. origin of life

C. one germ one disease

D. one gene one enzyme

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4

Vestigeal organs are those which are

A. fully formed and functional

B. much reduced but functional

C. much reduced and functionless

D. fully formed but functionless

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4

The small pox vaccine was discovered by

A. Louis Pasteur

B. Edward Jenner

C. John

D. Harvey

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4

The science dealing with diseases of plants is called

A. Plant anatomy

B. Plant ecology

C. Plant pathology

D. Plant morphology

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Lecuminous plants are recommended for rotation of crops because they

A. kill harmful insects

B. require little amount of water

C. help in Nitrogen fixation

D. are cash crops

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4

Eugenics is the application of genetics to improve

A. crop plants

B. fruit trees

C. cattle

D. human beings

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4

A biopsy is performed on a patient generally to detect which one of the following?

A. Cancer

B. Tuberculosis

C. Appendicitis

D. Renal failure

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4

The metallic part of haemoglobin is

A. copper

B. molybdenum

C. nickel

D. iron

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4

The influenza vaccine was discovered by

A. Salk

B. Khorana

C. Mittel

D. None of the above

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4

Niche' refers to

A. place of living

B. type of food

C. place of living and type of food

D. food and movement

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4

Gases of Jupiter' are

A. Ammonia, Methane, Hydrogen

B. Sulphur, Urethane, Oxygen

C. Carbon, Phosphorus and Oxygen

D. Nitrogen, Hydrogen and Chlorine

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4

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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Chemical substances that called have effect on growth of plants are called

A. enzymes

B. catalysts

C. hormones

D. pesticides

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4

Lizards, snakes, crocodiles and turtles belong to the class

A. Aves

B. Reptilia

C. Mammalia

D. Amphibia

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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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Food substances are substances by

A. hormones

B. enzymes

C. vitamins

D. zymogens

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The diseases that are caused by lack of vitamins are called

A. deficiency diseases

B. communicable diseases

C. epidemics

D. tropical diseases

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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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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

In case of a heart attack a hormone is injected as an emergency measure. Which one is it?

A. Thyroxine

B. Adrenaline

C. Heparin

D. Insulin

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4

Human blood is oxygenated and purified in the

A. heart

B. lungs

C. liver

D. kidneys

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The disease Goitre is caused in persons who do not have in their diet sufficient

A. calcium

B. sodium

C. iodine

D. iron

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4

Dwarf plants can be made to attain their normal stature by applying

A. IAA

B. Ethylene

C. Gibberelins

D. Cytokinins

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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

One of the following is often called the master gland. Which one is it?

A. Thymus

B. Islets of Langerhans

C. Pituitary

D. Thyroid