Science and Technology - General Knowledge Questions

A)
Sodium Sulphate
B)
Sodium Chloride
C)
Calcium Carbonate
D)
Potassium Chloride

Correct Answer :   Sodium Chloride

A)
never produce inverted images
B)
produce magnified images
C)
do not distort images
D)
always produce real images

Correct Answer :   always produce real images

A)
Leaf growth
B)
Root growth
C)
Flowering
D)
Leaf and root growth

Correct Answer :   Leaf growth

Phosphorus (P) is vital to plant growth and is found in every living plant cell. It is involved in several key plant functions, including energy transfer, photosynthesis, transformation of sugars and starches, nutrient movement within the plant and transfer of genetic characteristics from one generation to the next.

A)
Mango Tree
B)
Neem Tree
C)
Papaya Tree
D)
Pipal tree

Correct Answer :   Neem Tree

Neem tree is mainly cultivated in the Indian subcontinent. Neem is a member of the mahogany family, Meliaceae. Today it is known by the botanical name Azadirachta indica.

A)
Darwin
B)
Lamarck
C)
Huxley
D)
Oparin

Correct Answer :   Huxley

Thomas Huxley (1869) later referred to it as the "physical basis of life" and considered that the property of life resulted from the distribution of molecules within this substance.

A)
Resistor
B)
Capacitor
C)
Inductor
D)
All of the above

Correct Answer :   Resistor

A)
Zooplankton
B)
Herbivores
C)
Carnivores
D)
Omnivores

Correct Answer :   Omnivores

A)
Loess
B)
Anthracite
C)
Lava
D)
Atoll

Correct Answer :   Anthracite

A)
Inscriptions
B)
Temples
C)
Birds
D)
Coins

Correct Answer :   Inscriptions

Epigraphy (Ancient Greek: ἐπιγραφή, "inscription") is the study of inscriptions, or epigraphs, as writing; it is the science of identifying graphemes, clarifying their meanings, classifying their uses according to dates and cultural contexts, and drawing conclusions about the writing and the writers.

A)
Silicon and Iron
B)
Silicon and Aluminium
C)
Oxygen and Silicon
D)
Oxygen and Iron

Correct Answer :   Oxygen and Silicon

Silicon 28%, aluminum 8.2%, iron 5.6%, calcium 4.2%, sodium 2.5%, magnesium 2.4%, potassium, 2.0%, and titanium 0.61% also comprise the crust. Given the abundance of oxygen and silicon, the silicates are the most abundant minerals in the earth's crust.