List of top B.Ed Questions on Science

Arrange the following gases in increasing order of their abundances (% units) in atmosphere on dry basis:
A. Carbon dioxide
B. Helium
C. Hydrogen
D. Neon
E. Argon

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: Many of the world's historic buildings, monuments and statues are degraded/defaced due to exposure to acidic rain water.
Reason R: Reaction between limestone and sulphuric acid in rain water produces water soluble product Gypsum which is easily washed away and leave behind pitted surface.

Which among the following photons will have highest wavelength?
{h = 6.6 × 10^-34 J-s, C = 3 × 10⁸ m/s}

What will be the amount of oxygen in gm units in 4.6 moles of water?

Which of the following are Green House Gases (GHGs) which are responsible for warming of the Earth?
A. Ozone
B. $H_2O$ Vapour
C. Carbon Tetrachloride
D. Nitrogen Dioxide
E. Methane

Which of the following are NOT criteria pollutant in ambient atmosphere as per NAAQS in India?
A. Sulphur dioxide
B. Nitrogen Trioxide
C. Lead
D. Carbon dioxide
E. Mercury

Arrange the following steps, used in a typical water treatment plant, starting from first to last:
A. Rapid Mixing and Coagulation
B. Flocculation
C. Primary Sedimentation
D. Filtration
E. Disinfection

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: Moon is hailed as natural satellite of the earth.
Reason R: Lunar eclipse happens when earth comes in between the sun and moon.

Shanti Swaroop Bhatnagar award is given to those who excel in the field of science and technology. The institution associated with prof. Shanti Swaroop Bhatnagar is:

Which of the following atmospheric gas does not dissolve in water at standard temperature and pressure conditions?

Who coined the word 'ecology'?

In the pyramid of biomass, which among the following will have the highest biomass?

Which of the following physical processes is responsible for the blue color of the sky?

Microbes in a detritus food chain, which degrades the dead organic matter to meet their energy and nutrient requirement are best referred to as

Match List-I with List-II
\begin{tabular{|l|l|} \hline List-I (Name of Interaction) & List-II (Species A, Species B)
\hline (A). Mutualism & (I). +, -
(B). Commensalism & (II). +, +
(C). Competition & (III). +, 0
(D). Predation & (IV). -, -
\hline \end{tabular}
Choose the correct answer from the options given below:}

Choose the correct statement from the following:
(A). Water has highest density at 4°C
(B). Freezing point of water is 0°C
(C) An Ice cube does not completely dip in water, rather floats on water in a glass.
(D). Addition of common salt reduces freezing point of water.
Choose the correct answer from the options given below: