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Current Affairs January 2024

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4

Excess of amino-acids are broken down to form urea in the

A. Liver

B. Kidney

C. Spleen

D. Rectum

Correct Answer :

A. Liver


Related Questions

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4

Rate of mutation can be increased in plants by

A. More manure

B. More pesticides

C. X-ray

D. More light

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4

Dinosaur is a/an

A. Fish

B. Amphibian

C. Reptile

D. Bird

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4

Which of the following organelles is known as the 'power House' of the cell?

A. Golgi Bodies

B. Ribosomes

C. Mitochondria

D. None of these

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4

The valve between the right auricle and right ventricle is called

A. Tricuspid

B. Bicuspid

C. Monocuspid

D. Semilunar

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4

Darwinism does not explain

A. progression

B. retrogression

C. usefulness of all organs

D. presence of vestigial organs

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4

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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4

Which among the following may carry rabies?

A. Cat

B. Dog

C. Fox

D. All the three

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4

Milk fever in cows occurs due to lack of

A. Phosphates

B. Calcium

C. Iron

D. Iodine

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4

Blood platelets are found in

A. all vertebrates

B. all chordates

C. mammals only

D. birds and mammals

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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

Hypogeal germination is found in

A. castor

B. onion

C. bean

D. bengal gram

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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

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 hormones are carried to target organs through the

A. blood

B. lymph

C. water

D. corpuscles

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4

The thermoregulatory centre in the human brain is the

A. Pituitary

B. Spinal cord

C. Cerebellum

D. Hypothalamus

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4

Bordetella pertussis causes

A. tetanus

B. diphtheria

C. whooping cough

D. rabies

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4

Animals that feed only on dead flesh are

A. herbivorous

B. carnivorous

C. omnivorous

D. carrion-eaters

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4

Sadabahar, a common weed, is the raw material that provides the source of medicines used In the treatment of

A. gout

B. blood cancer

C. coronary heart disease

D. polio

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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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4

Translocation of food takes place in plants through

A. xylem

B. phloem

C. cambium

D. cortex

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4

Which one of the ecosystems Is the largest in the world?

A. forests

B. rivers

C. deserts

D. oceans

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4

Hormones are carried from their place of production by

A. Ducts

B. Blood

C. Lymph

D. Mucus

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4

Blood is

A. acidic

B. alkaline

C. neutral

D. like a buffer

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4

The amount of blood in a normal man is about

A. 5.0 litres

B. 2.5 litres

C. 3.8 litres

D. 4.7 litres

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4

The scientist who discovered the blood groups is

A. Landsteiner

B. TH Morgan

C. William Harvey

D. Darwin

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4

Which among the following is a balanced fertiliser for plants?

A. Urea

B. Ammonium Sulphate

C. Nitrates

D. Compost

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4

Which one of the following acts as a communication system?

A. Blood

B. Nerve

C. Lymph

D. Enzymes

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4

What is an antigen?

A. toxic substance

B. a kind of protein

C. blood platelets

D. blood corpuscles

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4

Oxygen transport is a function of

A. White Blood Corpuscles

B. Red Blood-Corpuscles

C. Blood Platelets

D. Plasma