Question # 1

The single acid which dissolves gold is?

Choose an answer

Nitric acid

Selenic acid

Hydrochloric acid

Aqua regia

Which fo the following are mostly woody trees, always perennials and never herbs of annuals?

Choose an answer

Angiosperms

Gymnosperms

Pteridophytes

Bryophytes

Who is the father U.S rocketry?

Choose an answer

Ernest Rutherford

Albert Einstein

Robert Goddard

Edwin Hubble

N₂ content is kept constant in the biosphere due to

Choose an answer

N₂ fixation

Industrial pollution

Nitrogen cycle

Absorption of N2

Which endocrine gland does NOT stimulate the production of testosterone of actually synthesize the male hormone

Choose an answer

Thyroid

Ovaries

Tested

Pituitary

What is gelotology?

Choose an answer

Study of things that are wiggly

Physiological study of human laughter

physiological study of gelatinous organ structures

study of the elderly

If the digital in the number 864135192 are arranged in ascending order. What will be the different between the digits which are second form the right and fourth form the left in the left in the new arrangement?

Choose an answer

One

Two

Three

Four

What part of the body exchanges gases with air?

Choose an answer

The liver

Stomach

Lungs

Intestines

What rays of sunlight are mostly utilized by chlorophyll in photosynthesis?

Choose an answer

Red

Yellow

Green

Blue

Water boils at a lower temperature on the hills because

Choose an answer

It is cold on the hills

There is less carbon dioxide on the hills

There is a decrease in air pressure on the hills

There is less oxygen

Dead organs are generally stored in formalin. Formalin is:

Choose an answer

Aqueous formaldehyde

Aqueous ferrous sulphate

Aqueous formic acid

Aqueous ferric alum

More Classes

Other Links

Everyday Science Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer