NEB Question Browser

In the figure, heights of four different mountains are given. Among them, which mountain has the least acceleration due to gravity?

A researcher wants to study the effects of excessive consumption of alcohol on blood pressure. Identify one controlled variable and a dependent variable in this research.

Which cell division is called an equational cell division and why?

Write any two effects of gravity of the Earth.

Why does climate change cause an increase in sea level? Write in any two points.

Copy the given ray diagram in your answer sheet and complete. On which principle is it based?

Write the balanced chemical equation of the following word equation.

A saturated hydrocarbon has its molecular mass 30 amu. Write the IUPAC name of the compound formed by replacing its two -H atoms one from each carbon atoms by one of each of -OH groups. Also, write one use of the compound.

Write any two differences between baseband transmission and broadband transmission on the basis of signal type and frequency. Give any two suggestions to your blogger friend for online reputation.

A scientist is studying colour in rabbits, he found that black colour (BB) is dominant over white colour (bb). When some black and white rabbits are crossed the offspring show equal number of black and white rabbits.

Write a major risk factor of causing a heart attack.

The electricity supply in laboratory is 110 V. You have a small fan that operates on 12 V. You have the following two types of transformers.

What is the cause of systolic blood pressure?

i. Due to excessive pressure created in the heart

ii. Due to pressure produced in the left ventricle of the heart is transmitted to the artery

iii. Due to contraction of the artery at the time of contraction of left ventricle

iv. Pressure produced at the time of contraction of ventricle

Which of the following organisms has the scientific name Cordyceps sinensis?

i. Mugwort

ii. Malabar nut

iii. Caterpillar fungus

iv. Turmeric

What is in the given chemical equation?

i.

ii.

iii.

iv.

Which of the following processes occurs during smelting?

i. Grinding

ii. Refining

iii. Reduction

iv. Oxidation

What is the gravitationl force of attraction exerted between A and B in the given figure?

i.

ii.

iii.

iv.

A magnet, as shown in the figure, if inserted into the solenoid, the needle of the galvanometer is deflected. What could be the reason for this?

i. Motor effect

ii. Electromagnetic induction

iii. Mutual induction

iv. Magnetic effect of current

Which transformer should you use to safely operate the fan?

Study the given diagram: