Mcqs Test For MCAT Students

30 Questions | By Khan.rizwanpk0 | Last updated: Jun 10, 2020 | Total Attempts: 324

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Questions and Answers

1.

Cloning is a technology for achieving
- A.
  
  Biology aims
- B.
  
  Scientific aims
- C.
  
  Integrated aims
- D.
  
  Eugenic aims
2.

Deductive reasoning is always from
- A.
  
  Specific to general
- B.
  
  Tentative to exact
- C.
  
  General to specific
- D.
  
  Qualitative to quantitative
3.

The branch of Biology dealing with social behavior and communal life of human beings is
- A.
  
  Human Biology
- B.
  
  Social Biology
- C.
  
  Micro Biology
- D.
  
  Bio technology
4.

The study of microorganisms is called
- A.
  
  Parasitology
- B.
  
  Microbiology
- C.
  
  Social Biology
- D.
  
  Molecular Biology
5.

In integrated disease management involves
- A.
  
  Combating of disease
- B.
  
  Loss of microbes
- C.
  
  Extinction of species
- D.
  
  Division of zygote
6.

Which one of the following is a correct sequence in biological methods
- A.
  
  Observation-hypothesis-law-theory
- B.
  
  Observation-hypothesis-deduction-testing of deduction
- C.
  
  Hypothesis-observation-deduction-testing of deduction
- D.
  
  Law-theory-observation-deduction
7.

A structure within a cell that perform specific function is called
- A.
  
  Molecule
- B.
  
  Atom
- C.
  
  Organelle
- D.
  
  Element
8.

All the living and non-living matter is formed of
- A.
  
  Organic molecules and tissues
- B.
  
  Atoms and sub-atomic particles
- C.
  
  Cells and cell products
- D.
  
  Organs and organelle
9.

Which of the following is not related to cloning
- A.
  
  Replacement of the nucleus of zygote, by another nucleus of same organism
- B.
  
  Separation of cells of embryo to form more embroys
- C.
  
  The individuals resulting have similar genetic make up
- D.
  
  Removal of piece of DNA or gene from the cell, and incorporating other gene or piece of DNA in it place
10.

AIDS is caused by
- A.
  
  H-virus
- B.
  
  TMV
- C.
  
  HIV
- D.
  
  D- virus
11.

An ellipse slides between two lines at right angles to one another. The locus of its centre is
- A.
  
  A parabola
- B.
  
  An elipse
- C.
  
  A circle
- D.
  
  A hyperbola
12.

Which of the following molecule have double covalent bond:
- A.
  
  N₂
- B.
  
  O₂
- C.
  
  H₂
- D.
  
  Ch₄
13.

Computer chips are made of
- A.
  
  Germanium
- B.
  
  Aluminium
- C.
  
  Silicon
- D.
  
  Sodium
14.

As compared to pure atomic orbitals the orbitals have:
- A.
  
  High energy
- B.
  
  Low energy
- C.
  
  Same energy
- D.
  
  Variable energy
15.

A basic buffer solution can be prepared by mixing:
- A.
  
  Strong acid and its salt with weak base
- B.
  
  Weak base and its salt with strong acid
- C.
  
  Strong base and its salt with weak acid
- D.
  
  Weak acid and its salt with strong base
16.

If ⁿP₂= 30 , the value of n is
- A.
  
  6
- B.
  
  8
- C.
  
  10
- D.
  
  12
17.

Heat of vaporization for liquids with strong dipole dipole forces will have:
- A.
  
  Negligible values.
- B.
  
  Reasonably high values.
- C.
  
  Very high values.
- D.
  
  Very low values.
18.

Geometrical optics was introduced by
- A.
  
  Newton
- B.
  
  Plato
- C.
  
  Plato
- D.
  
  Maxwell
19.

By using scientific notation 9000 can be written as
- A.
  
  9 x 10²
- B.
  
  9 x 10³
- C.
  
  9 x 10⁴
- D.
  
  9 x 10^-4
20.

X-rays are attached towards:
- A.
  
  Cathode
- B.
  
  Any Electrode
- C.
  
  Anode
- D.
  
  None of electrode
21.

In stoichiometric calculations
- A.
  
  The reaction can be reversile
- B.
  
  Side products can be formed
- C.
  
  Law of conservation of mass may not be obeyed
- D.
  
  Law of definite proportions is definitely obeyed
22.

Calcium has isotopes
- A.
  
  7
- B.
  
  1
- C.
  
  8
- D.
  
  6
23.

The mass of one mole of electrons is
- A.
  
  1.008 mg
- B.
  
  0.55 mg
- C.
  
  0.184 mg
- D.
  
  1.673 mg
24.

The number of moles of CO₂which contain 8.0 g of oxygen
- A.
  
  0.25
- B.
  
  0.50
- C.
  
  1.0
- D.
  
  1.50
25.

The volume occupied by 1.4 g on N₂at S.T.P is
- A.
  
  2.24 dm³
- B.
  
  22.4 dm³
- C.
  
  112 cm³
- D.
  
  1.12 dm³
26.

I molar volume of a gas at S.T.P is occupied by
- A.
  
  1 g of gas
- B.
  
  6 x 10²³g of gas
- C.
  
  22.4 m³of gas
- D.
  
  1 gram molecular mass of gas
27.

The volume occupied by 1.6 g of O₂at STP is
- A.
  
  22.4 dm³
- B.
  
  2.24 dm³
- C.
  
  1.12 dm³
- D.
  
  112 dm³
28.

Which of the following compound has the highest % o f oxygen by weight
- A.
  
  CH₃- OH
- B.
  
  C₂H₅OH
- C.
  
  HCOOH
- D.
  
  H₂O
29.

Isotopes are the atoms of same element with similar chemical properties but different
- A.
  
  Atomic number
- B.
  
  Atomic volume
- C.
  
  Atomic weight
- D.
  
  Atomic structure
30.

A limiting reactant is that one which
- A.
  
  Gives greatest number of moles of products
- B.
  
  Gives least number of moles of products
- C.
  
  Is left behind after the completion of reaction
- D.
  
  NOT

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