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Current Affairs January 2024

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4

The cell theory of Schleiden and Schwann states that

A. cells reproduce by mitosis or meiosis

B. all cells have nuclei

C. cells are basic units of plants and animals

D. cells arise only from pre-existing cells

Correct Answer :

C. cells are basic units of plants and animals


Related Questions

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Loss of blood is minimized due to blood

A. clotting

B. receding

C. healing

D. drying up

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The hormones are carried to target organs through the

A. blood

B. lymph

C. water

D. corpuscles

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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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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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The tear glands help us in

A. sobbing

B. protecting the eye

C. preventing dust

D. providing a clean moist surface

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The plant that is dispersed with the help of water is

A. mango

B. coconut

C. teak

D. paddy

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Plantain is

A. a tree

B. an annual herb

C. a perennial herb

D. a shrub

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Prions are composed largely of

A. DNA

B. proteins

C. RNA

D. None of these

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The 'mad-cow disease' (Jakob-Creutzfeldt disease) is produced by certain

A. bacterium

B. virus

C. viroid

D. prion

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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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Nephrons are found inside

A. Liver

B. Lung

C. Brain

D. Kidneys

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The waste product In the urine of man is

A. urea

B. uric acid

C. ammonia

D. non-nitrogenous

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Riboflavin is otherwise known as

A. vitamin B-complex

B. vitamin B2

C. vitamin A

D. vitamin E

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Plague is caused by

A. Bacteria

B. Virus

C. Fungus

D. Fleas

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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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The condition in which there is abnormal decrease of white blood corpuscles is known as

A. leukaemia

B. leucoderma

C. leukopenia

D. anaemia

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The following disease is prevented by triple-antigen immunization

A. Diphtheria

B. Tuberculosis

C. Smallpox

D. Mumps

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The hormone which is Popularly called as stress hormone is

A. Epinephrine

B. Cortisone

C. Thyroxine

D. Insulin

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4

Digestion of proteins starts in the

A. mouth

B. stomach

C. duodenum

D. intestine

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The animal without urinary bladder is

A. Bird

B. Man

C. Rabbit

D. Cow

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The bile contains the pigments

A. haemoglobin and haemoerythrin

B. biliviridin and bilirubin

C. bilirubin and haemocyanin

D. haemoglobin and biliviridin

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Which of the following diseases is considered as completely eradicated from India, as no case of the same has been reported in last one year?

A. Polio

B. Tuberculosis

C. Cancer

D. Swine flu

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Which one of the following seeds can benefit a patient of diabetes mellitus by normalising his blood sugar level?

A. Coriander seeds

B. Fenugreek seeds

C. Cumin seeds

D. Mustard seeds

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4

Desert plants are called

A. Xerophytes

B. Bryophytes

C. Pteridophytes

D. Halophytes

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Which among the following vitamins is considered to be a harmone?

A. A

B. B

C. C

D. D

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Warm-bloodedness

A. means, animals living in warm climates

B. means, the warming up of blood as the temperature increases during day time

C. is characterised by constant body temperature

D. is shown by reptiles

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The white blood corpuscles the body because they are popularly called soldiers of

A. march at a regular pace

B. appear uniform

C. defend the body

D. are disciplined

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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

Leaves Call off branches In the winter because of

A. fall in atmospheric pressure

B. completion of the duration of life of the plant

C. formation of separation (absciss layer) just outside the cork

D. shortening of day time

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Haemoglobin is dissolved in the plasma of

A. frog

B. fish

C. man

D. earthworm