General Science - Online Test

Q1. A reaction whose order is different from the actual due to large excess concentration of one of the reactants is called
Answer : Option C
Explaination / Solution:

The concentration of the reactants used in excess remains unaltered during the course of the reaction.

Q2. Two dimensional diagrams used in surface diagrams are:
Answer : Option B
Explaination / Solution:

A shape with only two dimensions (such as width and height) and no thickness. Squares, Circles, Triangles, etc are two dimensional objects.

Q3. Filiform apparatus present at micropylar part of the Synergids help in

Answer : Option A
Explaination / Solution:

Filiform apparatus is finger-like projection attached with egg apparatus. This apparatus guide the pollen tube carrying male gametes for facilitating Syngamy.

Q4. Which programme launched in 2005-2006 for building infrastructure and basic amenities in rural areas
Answer : Option D
Explaination / Solution:

Bharat Nirman is a time-bound business plan for action in rural infrastructure

Q5. The mechanism of distributing centriole pairs to the daughter cells is called
Answer : Option A
Explaination / Solution:

The mechanism of distributing chromosomes to the daughter cells is called astral division. This kind of division occurs in animal cells.

Q6. Which of the following physical quantities a scalar?
Answer : Option D
Explaination / Solution:

Work is defined as a dot-product (or scalar product) of force and displacement, both of which are vectors. A scalar (dot) product of two vectors gives a scalar result.

Q7. Ammonia is adsorbed by
Answer : Option A
Explaination / Solution:

Charcoal act as an adsorbent.

Q8. UNDP prepare quality of life index known as
Answer : Option D
Explaination / Solution:

The Human Development Index (HDI) was developed by the United Nations as a metric to assess the social and economic development levels of countries.

Q9. Electric flux
Answer : Option A
Explaination / Solution:

Flux—It means flow Electric Flux—The number of electric field lines passing through any area normally known as electric flux. It is given by ϕ=E × area flux is a scalar quantity

Q10. For a rope of yield strength  loaded in tension with weight Mg the minimum area A of the rope should be
Answer : Option B
Explaination / Solution:

We know that Yield strength times the Area give the weight of the body.

As Yield strength = weight of body/area

For safety purposes

Yield strength  weight of body/area 

Sy  Mg/A

 Mg/