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Current Affairs January 2024

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Plantain is

A. a tree

B. an annual herb

C. a perennial herb

D. a shrub

Correct Answer :

C. a perennial herb


Related Questions

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The plant cells are surrounded rigidly by

A. plasmalemma

B. cell membrane

C. cell wall

D. plasma membrane

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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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An inherited characteristic which does not appear in one generation but can appear in the next is called

A. dominant

B. recessive

C. homozygous

D. heterozygous

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Leafy trees help in preventing

A. Land pollution

B. Water pollution

C. Noise pollution

D. Air pollution

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Enzymes are produced by

A. endocrine glands

B. exocrine glands

C. liver

D. spleen

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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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The energy for the sperm to swim and reach the egg is provided by

A. tail

B. head

C. neck

D. mitochondria

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Diabetes is a disease which is

A. contagious

B. non-communicable

C. communicable

D. epidemic

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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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Scrub jungle Is characterised by

A. heavy rainfall

B. no rainfall

C. poor rainfall

D. none of the above

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Oxygen transportation in human body takes place through
1) Blood
2) Lungs
3) Tissue
The correct sequence of transportation is

A. 1, 2 and 3

B. 3, 1 and 2

C. 2, 1 and 3

D. 1,3 and 2

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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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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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The hormone secreted when one is frightened or excited

A. pituitrin

B. thyroxine

C. adrenaline

D. parathormone

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Which among the following may carry rabies?

A. Cat

B. Dog

C. Fox

D. All the three

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The method of inducing artificial immunity was discovered by

A. Jenner

B. Tolstoy

C. Pasteur

D. Morgan

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Decomposition of organic matter is due to

A. Virus

B. Fungi

C. Bacteria

D. None of these

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The spider spins its web from a liquid secreting from its

A. posterior silk gland

B. posterior abdomen glands

C. mouth

D. salivary glands

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Which organism probably arrived first in the world?

A. Algae

B. Fungi

C. Protozoa

D. None of the above

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Vitamin D is known as anti-rachitic vitamin because it cures the deficiency disease called

A. Rickets

B. Beriberi

C. Xerophthalmia

D. Sterility

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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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What is an antigen?

A. Toxic substance

B. A kind of protein

C. Blood platelets

D. Blood corpuscles

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The theory that believes that the first living organism came from another planet is known as

A. Catastrophism

B. Special creation

C. Organic evolution

D. Cosmozoic theory

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The hypothesis that living matter originated in the past from non-living matter is supported by

A. Fossil records

B. Miller's experiments

C. Pasteur experiment

D. Spallanzeni experiment

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The metallic part in haemoglobin is

A. Copper

B. Molybdenum

C. Nickel

D. Iron

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The brain is covered by

A. meninges

B. bone

C. skin

D. All the above

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Which organelle in the cell, other than nucleus, contains DNA?

A. Centriole

B. Golgi apparatus

C. Lysosome

D. Mitochondrion

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For which of the following is insulin treatment given?

A. Cancer

B. Diabetes

C. Asthma

D. Typhoid

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What are the symptoms of 'Pellagra'?

A. Colour blindness

B. Rickets

C. Patches of skin

D. Soft bones

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

A. Thyroxine

B. Vasopressin

C. Heparin

D. Insulin