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Current Affairs January 2024

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4

Lizards, snakes, crocodiles and turtles belong to the class

A. Aves

B. Reptilia

C. Mammalia

D. Amphibia

Correct Answer :

B. Reptilia


Related Questions

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4

Maize is attacked by

A. Phytophthora

B. Pythium

C. Ustilago

D. Puccinia

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4

Which one of the following is not an essential micronutrient for plants?

A. Boron

B. Zinc

C. Sodium

D. Copper

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4

The thrombocytes are associated with

A. blood coagulation

B. transport of respiratory gases

C. removal of nitrogenous wastes

D. all the above

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4

Who is called the father of modem antiseptic surgery?

A. Edward Jenner

B. Joseph Lister

C. Louis Pasteur

D. William Harvey

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4

Fat present below the skin surface in our body acts as a barrier against

A. loss of heat from the body

B. loss of essential body fluids

C. loss of salts from the body

D. entry of harmful micro-organisms from the environment

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4

Phenylketonuria is an example of an inborn error of metabolism. Thins error refers to

A. hormonal overproduction

B. atrophy of endocrine glands

C. inherited lack of an enzyme

D. nondisjuction of chromosomes

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4

Sterilization, as the means for the prevention of sepsis in surgery, was practised and advocated by

A. Louis Pasteur

B. Edward .Jenner

C. Joseph Lister

D. Martinus Willem Beijerinck

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4

The metallic part in haemoglobin is

A. Copper

B. Molybdenum

C. Nickel

D. Iron

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4

Best growth of plants is attained if they are supplied with

A. low carbohydrate and high nitrogen

B. high carbohydrate and low nitrogen

C. high carbohydrate and moderate nitrogen

D. equal carbohydrate and nitrogen

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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

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4

Which one is called anti-haemorrhagic vitamin?

A. A

B. C

C. E

D. K

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4

Ecology of a population is known as

A. demecology

B. synecology

C. autecology

D. space ecology

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4

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

The hormone secreted when one is frightened or excited

A. pituitrin

B. thyroxine

C. adrenaline

D. parathormone

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4

Plague is caused by

A. Bacteria

B. Virus

C. Fungus

D. Fleas

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4

The plant cells are surrounded rigidly by

A. plasmalemma

B. cell membrane

C. cell wall

D. plasma membrane

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4

The part of the brain which is responsible for intelligence is

A. cerebrum

B. opthalmic

C. cochlea

D. semicircular canals

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4

The method of inducing artificial immunity was discovered by

A. Jenner

B. Tolstoy

C. Pasteur

D. Morgan

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4

Which of the following characteristics separates man from all other primates?

A. Exhibition of curiosity

B. Degenerate sense of smell

C. Opposability thumb

D. Projecting chin

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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

Blood is

A. acidic

B. alkaline

C. neutral

D. like a buffer

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4

Oxygen transport is a function of

A. White Blood Corpuscles

B. Red Blood-Corpuscles

C. Blood Platelets

D. Plasma

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4

The equilibrium and co-ordination is looked after by which part of the brain?

A. Cerebrum

B. Medulla oblongata

C. Cerebellum

D. Olfactory lobes

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4

The juice from the leaves of ________ is used for the treatment of diarrhoea, cholera and dysentery.

A. Caeselpinea

B. Bryophyllum

C. Centella

D. None of the above

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4

Metastasis' is the process by which

A. cells divide rapidly under the influence of drugs

B. cancer cells spread through the blood or lymphatic system to other sites or organs

C. the chromosomes in cell nuclei are attached to the spindle before moving to the anaphase poles

D. cance cells are successfully inhibited to divide any futhere

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4

Who considered evolution as due to mutation?

A. Charles Darwin

B. Lamarck

C. Hugo de Vries

D. Cuvier

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4

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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4

Xerophthalmia is a deficiency disease. Deficiency of _________ causes it.

A. vitamin A

B. vitamin B

C. vitamin C

D. vitamin E

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4

Insulin is concerned with the metabolism of

A. sugar

B. fats

C. proteins

D. vitamins

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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