Join Telegram Group and Get FREE Alerts! Join Now
Join WhatsApp Group For FREE Alerts! Join Now
" If you like our service then please click here to Donate 🙏 whatever you can. Thanks "

Hardest GK Questions with Answers

5/5 - (3 votes)

Hardest GK Questions with Answers. We covered all the Hardest GK Questions with Answers in this post for free so that you can practice well for the exam.

Install our MCQTUBE Android app from the Google Play Store and prepare for any competitive government exams for free.

These types of competitive MCQs appear in the exams like UPSC, State PCS, CDS, NDA, Assistant Commandant, SSC, Railway, Bank, Delhi Police, UPSSC, and other Competitive Examinations, etc. We created all the competitive exam MCQs into several small posts on our website for your convenience.

You will get their respective links in the related posts section provided below.

Related Posts:

Questions hide

Mock Test on GK for Students

Birthday of which personality is celebrated every year on 14th April?

(a) Dr Sarvepalli Radhakrishnan

(b) Dr BR Ambedkar

(c) Sardar Vallabhbhai Patel

(d) Dr APJ Abdul Kalam

Option b – Dr BR Ambedkar

‘National Civil Services Day is observed on

(a) 20th April

(b) 21st April

(c) 25th April

(d) 30th April

Option b – 21st April

Which of the following is not correctly matched?

(a) Army Day – 15th January

(b) Martyrs’ Day – 31st January

(c) Earth Day – 22nd April

(d) Coconut Day – 2nd August

Option c – Earth Day – 22nd April

In India, National Panchayati Day is celebrated on which date?

(a) 26th January

(b) 2nd October

(c) 21st April

(d) 24th April

Option d – 24th April

When are ‘Common Service Centre Divas’ observed?

(a) 14th July

(b) 16th July

(c) 29th July

(d) 4th August

Option b – 16th July

National Handloom Day is observed on

(a) 7th June

(b) 17th July

(c) 7th August

(d) 17th September

Option c – 7th August

When is ‘Quit India Day’ celebrated?

(a) September 8th

(b) August 19th

(c) August 9th

(d) None of these

Option c – August 9th

Which date is National Sports Day observed in India?

(a) 29th August

(b) 4th May

(c) 17th September

(d) 5th July

Option a – 29th August

Teachers’ Day is observed every year in India on

(a) 5th September

(b) 2nd October

(c) 6th November

(d) 25th December

Option a – 5th September

When is ‘Hindi Diwas’ celebrated?

(a) 12th October

(b) 19th October

(c) 14th September

(d) 7th September

Option c – 14th September

‘National Education Day is celebrated on

(a) 12th November

(b) 11th November

(c) 5th November

(d) 29th October

Option b – 11th November

When is ‘Navy Day’ celebrated every year in India?

(a) 29th December

(b) 4th December

(c) 10th December

(d) 12th January

Option b – 4th December

15th Pravasi Bharatiya Diwas in January 2019 was held in which city?

(a) Varanasi

(b) Vadodara

(c) Jaipur

(d) Pune

Option a – Varanasi

Every year Women’s Day is celebrated on 13th February in memory of

(a) Indira Gandhi

(b) Kamla Nehru

(c) Sarojini Naidu

(d) Lakshmi Bai

Option c – Sarojini Naidu

On which date National Science Day is celebrated?

(a) 5th May

(b) 15th March

(c) 5th January

(d) 28th February

Option d – 28th February

Chaitra 1 of the national calendar based on the Saka Era corresponds to which one of the following dates of the Gregorian calendar in a normal year of 395 days?

(a) 22nd March (or 21st March)

(b) 15th May (or 16th May)

(c) 31st March (or 30th March)

(d) 21st April (or 20th April)

Option a – 22nd March (or 21st March)

‘National Voter’s Day’ is celebrated on which date?

(a) 15th January

(b) 25th January

(c) 15th February

(d) 25th February

Option b – 25th January

When is Data Protection Day observed?

(a) 28th January

(b) 30th December

(c) 27th October

(d) 20th February

Option a – 28th January

National Youth Day is celebrated on which date

(a) 15th January

(b) 9th January

(c) 18th January

(d) 12th January

Option d – 12th January

‘Army Day’ is celebrated ……… in India in recognition of Field Marshal KM Cariappa’s taking over as the first Commander-in-Chief of the Indian Army from Sir Francis Butcher in 1948.

(a) 20th January

(b) 12th January

(c) 15th January

(d) 26th December

Option c – 15th January

23rd January is celebrated as the birthday of

(a) Guru Govind Singh

(b) Subhash Chandra Bose

(c) Debendranath Tagore

(d) Chandra Shekhar Azad

Option b – Subhash Chandra Bose

India celebrated/will celebrate its 70th Constitution Day in

(a) 2020

(b) 2018

(c) 2017

(d) 2019

Option d – 2019

In India, the 24th of January is celebrated as

(a) National Girl Child Day

(b) National Farmers Day

(c) National Agricultural Day

(d) National Old Person Day

Option a – National Girl Child Day

Paddy Khaira disease or miniature disease is caused by a deficiency of which element?

(a) Zinc

(b) Copper

(c) Calcium

(d) Magnesium

Option a – Zinc

Vitell disease of cauliflower is caused by deficiency of which element?

(a) Zinc

(b) Molybdenum

(c) Copper

(d) Magnesium

Option b – Molybdenum

Harmlessness of leaves is caused by the deficiency of

(a) Calcium

(b) Magnesium

(c) Manganese

(d) Copper

Option b – Magnesium

Transpiration occurs-

(a) From the stems

(b) From roots

(c) Leaves

(d) All pneumatic parts

Option d – All pneumatic parts

What is released in the process of photosynthesis?

(a) Hydrogen

(b) Carbon dioxide

(c) Oxygen

(d) Chlorine

Option c – Oxygen

The rate of photosynthesis is highest-

(a) In purple light

(b) In green light

(c) In blue light

(d) In red light

Option d – In red light

The rate of photosynthesis is the lowest-

(a) In red light

(b) In blue light

(c) In purple light

(d) In green light

Option d – In green light

Photosynthesis occurs-

(a) At night

(b) Day and night

(c) Day or night

(d) Only in the day

Option d – Only in the day

Which gas is necessary for photosynthesis?

(a) Oxygen

(b) Carbon dioxide

(c) Nitrogen

(d) Carbon monoxide

Option d – Carbon monoxide

What is the source of oxygen produced during photosynthesis?

(a) Water

(b) Carbon dioxide

(c) Chlorophyll

(d) Mesophyll cells

Option a – Water

The role of foliage in photosynthesis is-

(a) Absorption of water

(b) Absorption of light

(c) Absorption of carbon dioxide

(d) None of these

Option b – Absorption of light

The instrument for respiratory measurement is called-

(a) Potometer

(b) Oximeter

(c) Spirometer

(d) Respirometer

Option a – Potometer

ATP stands for-

(a) Adenosine triphosphate

(b) Adenine triphosphate

(c) Adenosine diphosphate

(d) Adenosine tetraphosphate

Option a – Adenosine triphosphate

The fruit ripening hormone is-

(a) Gibberellin

(b) Ethylene

(c) Cytokinin

(d) Auxin

Option b – Ethylene

Mimosa leaf has speed-

(a) Phototropism

(b) Thigmotropism

(c) Chemotropism

(d) Hydrotropism

Option b – Thigmotropism

Turning of shoots towards sunlight is called-

(a) Phototropism

(b) Geotropism

(c) Heliotropism

(d) Hydrotropism

Option c – Heliotropism

Who is the most responsible factor for plant diseases?

(a) Mildew

(b) Bacteria

(c) Virus

(d) Protozoa

Option a – Mildew

From where is clove, a commonly used spice, obtained?

(a) From the root

(b) Stem

(c) From flower bud

(d) From fruit

Option c – From flower bud

Hashish is obtained from the plant. State from which part of the plant it is obtained.

(a) From leaves

(b) Stems

(c) Female inflorescence

(d) Male inflorescence

Option d – Male inflorescence

Water is transported in plants through-

(a) Cambium

(b) Phloem

(c) Xylem

(d) Epidermis

Option c – Xylem

How many essential elements are needed for plant growth?

(a) 6

(b) 10

(c) 16

(d) 21

Option c – 16

Pea plant is-

(a) Herb

(b) Flower

(c) Shrub

(d) None of these

Option a – Herb

Saffron is produced by

(a) Hibiscus stamens

(b) From the roots of Indigofera

(c) Style from crocus and style

(d) From the parties of Moses

Option c – Style from crocus and style

Clove is a-

(a) Fruit

(b) Dry flower bud

(c) Vardhi Kalika

(d) Seed

Option b – Dry flower bud

From which part of the plant can we get coffee?

(a) Flowers

(b) Seeds

(c) Leaves

(d) Fruits

Option b – Seeds

Poppy is obtained-

(a) Kaufia Arabica

(b) Papaver somniferum

(c) From Origa Sativa

(d) Thia sinensis

Option b – Papaver somniferum

Who receives quinine?

(a) Papaver

(b) Cannabis

(c) Cinchona

(d) Aconitum

Option c – Cinchona

The best source of Vitamin C is-

(a) Lemon

(b) Orange

(c) Amla

(d) Chilli

Option c – Amla

Tobacco leaves contain-

(a) Capsaicin

(b) Caulvicin

(c) Nicotine

(d) Aspirin

Option c – Nicotine

The medicine obtained to stop high blood pressure is-

(a) From the caste of digitalis

(b) From Cinchona caste

(c) Rauwulfia caste

(d) From the Papaver caste

Option c – Rauwulfia caste

Pulses are a good source of

(a) Protein

(b) Carbohydrate

(c) Fat

(d) Cellulose

Option a – Protein

Which vegetable food has the maximum protein?

(a) Gram

(b) Pea

(c) Soybean

(d) Pigeonpea

Option c – Soybean

Cinnamon obtained from which part of the tree?

(a) Leaf

(b) Stem

(c) Root

(d) Bark

Option d – Bark

Apples and pears have edible portions.

(a) External result

(b) Middle fruit

(c) Endoplasm

(d) Fleshy appendages

Option d – Fleshy appendages

The grain of rice is [ Hardest GK Questions with Answers ]

(a) A seed

(b) Algebraic fruit

(c) Multi-algebraic fruits

(d) Embolism

Option b – Algebraic fruit

Which part of a pear is eaten?

(a) Pulp

(b) Core

(c) Both ‘a’ and ‘b’

(d) Pod

Option a – Pulp

Which plant has seed but no fruit?

(a) Reed

(b) Groundnut

(c) Almonds

(d) Cycus

Option d – Cycus

Potato is related to which family?

(a) Solanaceae

(b) Composite

(c) Gamini

(d) Crucifery

Option a – Solanaceae

Cotton is related to

(a) Cruciferi

(b) Composite

(c) Malvaceae

(d) Renucleus

Option c – Malvaceae

Brinjal is the plant of which family?

(a) Cruciferi

(b) Cucurbitaceae

(c) Solanesi

(d) Malvaceae

Option c – Solanesi

The hereditary name of the cotton plant is-

(a) Crotalaria

(b) Raphenous

(c) Nicotiana

(d) Gossypium

Option d – Gossypium

The botanical name of mango is [ Hardest GK Questions with Answers ]

(a) Musa Sapientes

(b) Docus carota

(c) Mangifera Indica

(d) None of these

Option c – Mangifera Indica

The botanical name of the wheat plant is-

(a) Jia Mage

(b) Aurija Sativa

(c) Hordeum vulgare

(d) Triticum aestivum

Option d – Triticum aestivum

The botanical name of the tea plant is-

(a) Sinensis thia

(b) Sinensis

(c) Thia sinensis

(d) Kaufia arabica

Option c – Thia sinensis

We covered all the hardest gk questions with answers above in this post for free so that you can practice well for the exam.

Check out the latest MCQ content by visiting our mcqtube website homepage.

Also, check out:

Leave a Comment