Pre-Medical Admission Test in Agriculture Universities -Practice-2

This is a mock test for students with a Pre-Medical background seeking admission to Agriculture Universities in Pakistan.

Practice questions

1 Which scientist is credited with proposing the binomial system of naming organisms?
- Charles Darwin
- Gregor Mendel
- Carolus Linnaeus
- Louis Pasteur
2 Which phase of mitosis involves the alignment of chromosomes at the cell's equator?
- Prophase
- Metaphase
- Anaphase
- Telophase
3 Which structure connects a muscle to a bone?
- Ligament
- Cartilage
- Tendon
- Meniscus
4 Which part of the eye regulates the amount of light entering through the pupil?
- Retina
- Cornea
- Lens
- Iris
5 Which type of immunity develops after vaccination?
- Artificially acquired active immunity
- Naturally acquired passive immunity
- Artificially acquired passive immunity
- Innate immunity only
6 Which blood group is considered the universal red-cell donor in emergency transfusion practice?
- AB positive
- A negative
- O negative
- B positive
7 Which structure carries impulses away from a neuron's cell body?
- Dendrite
- Axon
- Synaptic cleft
- Myelin sheath
8 Which component of the immune system produces antibodies?
- Red blood cells
- Platelets
- Neutrophils only
- Plasma cells
9 Which part of the digestive system absorbs most digested nutrients?
- Small intestine
- Oesophagus
- Large intestine
- Stomach
10 Which plant hormone is primarily associated with cell elongation and phototropic responses?
- Ethylene
- Abscisic acid
- Auxin
- Cytokinin
11 What is the main function of stomata in leaves?
- Absorbing minerals from soil
- Regulating gas exchange and water loss
- Producing seeds directly
- Transporting sugars through roots
12 Which organelle modifies, sorts and packages many proteins for transport?
- Nucleolus
- Centriole
- Peroxisome
- Golgi apparatus
13 Which nitrogenous base is found in RNA but normally not in DNA?
- Uracil
- Thymine
- Guanine
- Cytosine
14 Which molecule serves as the principal immediate energy currency of cells?
- DNA
- Cellulose
- ATP
- Starch
15 Which type of RNA carries genetic instructions from DNA to ribosomes?
- Transfer RNA
- Messenger RNA
- Ribosomal RNA only
- MicroRNA only
16 What is the main function of bile in digestion?
- Breaking proteins into amino acids
- Digesting starch into glucose
- Absorbing oxygen
- Emulsifying fats
17 Which part of the human respiratory system contains the primary sites of gas exchange?
- Alveoli
- Trachea
- Larynx
- Pharynx
18 Which gland produces thyroxine?
- Adrenal gland
- Pituitary gland
- Thyroid gland
- Pancreas
19 Which condition results from inadequate insulin production or ineffective insulin action?
- Scurvy
- Diabetes mellitus
- Rickets
- Night blindness
20 Which cells form the protective outer covering of most plant organs?
- Xylem vessels
- Sieve-tube elements
- Companion cells
- Epidermal cells
21 Which type of reproduction generally requires only one parent?
- Asexual reproduction
- Sexual reproduction
- Cross-fertilisation
- Double fertilisation
22 Which evolutionary process favours organisms with traits that improve reproductive success in a given environment?
- Genetic drift only
- Artificial cloning
- Natural selection
- Spontaneous generation
23 Which ecological pyramid is always upright when it represents energy flow?
- Pyramid of numbers
- Pyramid of energy
- Pyramid of biomass
- Pyramid of population size
24 Which relationship benefits one organism while harming the other?
- Mutualism
- Commensalism
- Neutralism
- Parasitism
25 Which microorganisms are commonly responsible for biological decomposition of dead organic material?
- Decomposer bacteria and fungi
- Viruses only
- All insects exclusively
- Fish and amphibians
26 Which structure in flowering plants develops into the fruit after fertilisation?
- Anther
- Stigma
- Ovary
- Filament
27 Which process enables green plants to convert light energy into chemical energy?
- Fermentation
- Photosynthesis
- Excretion
- Translocation
28 Which type of tissue transports manufactured sugars in vascular plants?
- Epidermis
- Cork
- Sclerenchyma
- Phloem
29 Which part of a flower produces pollen grains?
- Anther
- Ovary
- Sepal
- Stigma
30 Which deficiency is commonly associated with weak bones and rickets in children?
- Vitamin C
- Vitamin B1
- Vitamin D
- Vitamin K
31 Which principle states that electrons occupy orbitals in order of increasing energy?
- Pauli exclusion principle
- Aufbau principle
- Hund's rule only
- Avogadro's law
32 How many electrons can the first principal energy level hold at maximum?
- 8
- 18
- 32
- 2
33 Which element has the highest electronegativity on the Pauling scale?
- Fluorine
- Chlorine
- Oxygen
- Nitrogen
34 Which gas law states that pressure is inversely proportional to volume at constant temperature for a fixed amount of gas?
- Charles's law
- Avogadro's law
- Boyle's law
- Graham's law
35 What is the molar mass of carbon dioxide, CO₂, approximately?
- 28 g/mol
- 44 g/mol
- 32 g/mol
- 18 g/mol
36 Which process involves the loss of electrons by an atom or ion?
- Reduction
- Neutralisation
- Hydrolysis
- Oxidation
37 Which of the following is a strong acid in aqueous solution?
- Hydrochloric acid
- Acetic acid
- Carbonic acid
- Formic acid
38 Which substance is commonly used as a drying agent for gases in the laboratory?
- Sugar solution
- Sodium chloride solution
- Anhydrous calcium chloride
- Ethanol
39 What is the hybridisation of carbon in methane, CH₄?
- sp
- sp³
- sp²
- dsp²
40 Which functional group characterises alcohols?
- –COOH
- –CHO
- –CO–
- –OH
41 Which allotrope of carbon conducts electricity effectively due to its delocalised electrons?
- Graphite
- Diamond
- Charcoal only
- Fullerene-free carbon black only
42 Which technique separates components based on their different distribution between stationary and mobile phases?
- Simple decantation
- Sublimation only
- Chromatography
- Sedimentation only
43 Which salt is formed when hydrochloric acid reacts completely with sodium hydroxide?
- Sodium carbonate
- Sodium chloride
- Sodium sulphate
- Sodium nitrate
44 Which metal is liquid at ordinary room temperature?
- Iron
- Aluminium
- Copper
- Mercury
45 Which statement about isotopes is correct?
- They have the same number of protons but different numbers of neutrons.
- They always have different atomic numbers.
- They have identical mass numbers.
- They contain no neutrons.
46 Which gas is commonly produced when yeast ferments glucose under anaerobic conditions?
- Helium
- Nitrogen
- Carbon dioxide
- Chlorine
47 Which law relates the volume of a gas to its absolute temperature at constant pressure and fixed amount?
- Boyle's law
- Charles's law
- Dalton's law of partial pressures
- Henry's law
48 What is the oxidation number of sulphur in H₂SO₄?
- −2
- +2
- +4
- +6
49 Which compound is primarily responsible for the temporary hardness of water?
- Calcium hydrogen carbonate
- Sodium chloride
- Potassium nitrate
- Sodium hydroxide
50 Which type of polymer is formed from amino acid monomers?
- Polyethene
- Polystyrene
- Protein
- Polyvinyl chloride
51 Which physical quantity is a scalar?
- Displacement
- Distance
- Acceleration
- Force
52 What is the SI unit of work?
- Watt
- Pascal
- Newton
- Joule
53 Which quantity is defined as the rate of change of velocity?
- Acceleration
- Momentum
- Displacement
- Impulse
54 What happens to the gravitational force between two masses if the distance between their centres doubles, with masses unchanged?
- It doubles.
- It becomes four times greater.
- It becomes one quarter as large.
- It remains unchanged.
55 Which instrument is used to measure atmospheric pressure?
- Hygrometer
- Barometer
- Hydrometer
- Calorimeter
56 Which phenomenon explains the bending of light as it passes from air into glass?
- Reflection
- Diffraction
- Polarisation
- Refraction
57 Which type of mirror is commonly used as a rear-view mirror in vehicles?
- Convex mirror
- Concave mirror
- Plane mirror only
- Parabolic mirror only
58 What is the electrical resistance of an ideal conductor?
- Infinite
- Very high
- Zero
- Equal to its voltage
59 Which law describes the force between two stationary electric charges?
- Faraday's law
- Coulomb's law
- Hooke's law
- Snell's law
60 Which type of wave requires a medium and involves particles oscillating parallel to the direction of propagation?
- Electromagnetic wave
- Transverse wave only
- Light wave
- Longitudinal mechanical wave
61 What is the SI unit of electric charge?
- Coulomb
- Ampere
- Ohm
- Tesla
62 Which principle states that pressure applied to an enclosed fluid is transmitted equally throughout the fluid?
- Bernoulli's principle
- Archimedes' principle
- Pascal's principle
- Hooke's law
63 Which quantity measures the opposition of a fluid to flow?
- Density
- Viscosity
- Elasticity
- Buoyancy
64 Which thermodynamic process occurs at constant volume?
- Isobaric
- Isothermal
- Adiabatic
- Isochoric
65 What is the approximate speed of light in a vacuum?
- \(3 \times 10^8\) m/s
- \(3 \times 10^6\) m/s
- \(3 \times 10^4\) m/s
- \(3 \times 10^2\) m/s
66 Which law states that the induced electromotive force opposes the change producing it?
- Ohm's law
- Kirchhoff's current law
- Lenz's law
- Newton's law
67 Which device converts mechanical energy into electrical energy?
- Electric motor
- Generator
- Capacitor
- Resistor
68 What is the SI unit of magnetic flux?
- Tesla
- Henry
- Weber per second
- Weber
69 Which particle has no electric charge?
- Neutron
- Proton
- Positron
- Electron
70 Which phenomenon causes the splitting of white light into its component colours by a prism?
- Interference only
- Total internal reflection
- Dispersion
- Polarisation only
71 Solve the equation \(5x - 7 = 18\).
- 3
- 5
- 7
- 9
72 What is the value of \(\log_{10}1000\)?
- 1
- 2
- 4
- 3
73 What is the sum of the interior angles of a triangle?
- 180°
- 90°
- 270°
- 360°
74 If \(f(x)=2x+3\), what is \(f(4)\)?
- 8
- 9
- 11
- 12
75 What is the value of \(7!\)?
- 720
- 5040
- 120
- 40320
76 If the diameter of a circle is 14 cm, what is its radius?
- 14 cm
- 28 cm
- 3.5 cm
- 7 cm
77 Simplify: \(3^2 + 4^2\).
- 25
- 49
- 12
- 7
78 What is the slope of the line passing through (1, 2) and (3, 6)?
- 1
- 3
- 2
- 4
79 If \(x^2=49\), which values can \(x\) take?
- 7 only
- 7 or −7
- −7 only
- 49 or −49
80 What is the value of \(\cos 60^\circ\)?
- 1
- \(\sqrt{3}/2\)
- 0
- \(1/2\)
81 A shop reduces a price of Rs. 800 by 10%. What is the sale price?
- Rs. 720
- Rs. 700
- Rs. 780
- Rs. 680
82 If 4 workers complete a task in 12 days at the same rate, how many days would 8 workers take?
- 24 days
- 12 days
- 6 days
- 3 days
83 What is the median of 3, 7, 9, 11 and 15?
- 7
- 9
- 11
- 15
84 What is the probability of rolling a number greater than 4 on a fair six-sided die?
- \(1/6\)
- \(1/2\)
- \(2/3\)
- \(1/3\)
85 Factorise \(x^2-9\).
- \((x-3)(x+3)\)
- \((x-9)(x+1)\)
- \((x-3)^2\)
- \((x+9)(x-1)\)
86 Choose the antonym of “reluctant”.
- Hesitant
- Unwilling
- Doubtful
- Willing
87 Choose the correct form: Neither the teacher nor the students ___ present.
- was
- were
- is
- has been
88 Choose the correct meaning of “mitigate”.
- Increase
- Ignore
- Reduce the severity
- Complicate
89 Fill in the blank: The committee arrived ___ a decision after discussion.
- at
- on
- in
- by
90 Choose the correctly punctuated sentence.
- Although it was raining we continued the match.
- Although, it was raining we continued the match.
- Although it was raining; we continued, the match.
- Although it was raining, we continued the match.
91 Choose the synonym of “obtain”.
- Lose
- Acquire
- Reject
- Abandon
92 Choose the correct reported speech: He said, “I am tired.”
- He said that I am tired.
- He said that he is tired yesterday.
- He said that he was tired.
- He said he tired.
93 Choose the correctly spelled word.
- Maintenance
- Maintainance
- Maintanance
- Maintenence
94 Choose the meaning of the idiom “once in a blue moon”.
- Every night
- At the right moment
- Very quickly
- Very rarely
95 Fill in the blank: If she studies regularly, she ___ the examination.
- passed
- will pass
- would passed
- had pass
96 Which instrument is commonly used to measure rainfall?
- Anemometer
- Hygrometer
- Rain gauge
- Barometer
97 Which soil property describes the relative proportions of sand, silt and clay?
- Soil texture
- Soil temperature
- Soil colour only
- Soil acidity only
98 Which nutrient is especially important for root development and energy transfer in plants?
- Sodium
- Chlorine
- Silicon
- Phosphorus
99 A field is divided into 5 equal plots. If 3 plots are planted with wheat, what fraction of the field is planted with wheat?
- \(2/5\)
- \(3/5\)
- \(1/5\)
- \(5/3\)
100 Four farms produce 12, 15, 18 and 15 tonnes of wheat respectively. What is their average production?
- 12 tonnes
- 14 tonnes
- 15 tonnes
- 18 tonnes