datavorous/entrance-exam-dataset huggingface dataset:
What is the first stable product of CO₂ fixation in plants that follow the C₃ pathway?

Options:
A Oxaloacetic acid (OAA)
B Phosphoglyceric acid (PGA)
C Ribulose bisphosphate (RuBP)
D None of the above

The correct answer is:
Phosphoglyceric acid (PGA)

Solution:
The first stable product of CO₂ fixation in plants that follow the C₃ pathway is Phosphoglyceric acid (PGA).

Topic: Biology, Photosynthesis in Higher Plants, NEET
What is the first stage of karyokinesis of mitosis?

Options:
A Metaphase
B Anaphase
C Telophase
D Prophase

The correct answer is:
Prophase

Solution:
The first stage of karyokinesis of mitosis is Prophase, it follows the S and G₂ phases of interphase.

Topic: Biology, Cell Cycle and Cell Division, NEET
What is the first stage of karyokinesis of mitosis?

Options:
A Prophase
B Metaphase
C Anaphase
D Telophase

The correct answer is:
Prophase

Solution:
Prophase is the first stage of karyokinesis of mitosis. It follows the S and G₂ phases of interphase and is marked by the initiation of condensation of chromosomal material.

Topic: Biology, Cell Cycle and Cell Division, NEET
What is the first stage of prophase I of meiosis?

Options:
A Leptotene
B Zygotene
C Pachytene
D Diakinesis

The correct answer is:
Leptotene

Solution:
Prophase of the first meiotic division is subdivided into five phases based on chromosomal behaviour, and the first one is leptotene.

Topic: Biology, Cell Cycle and Cell Division, NEET
What is the first stage of the Calvin cycle?

Options:
A Reduction
B Regeneration
C Carboxylation
D Formation of glucose

The correct answer is:
Carboxylation

Solution:
The first stage of the Calvin cycle is carboxylation where CO₂ is fixed into a stable organic intermediate by the enzyme RuBP carboxylase.

Topic: Biology, Photosynthesis in Higher Plants, NEET
What is the first stage of the gametophyte stage in mosses?

Options:
A Protonema stage
B Leafy stage
C Sporophyte stage
D Rhizoid stage

The correct answer is:
Protonema stage

Solution:
The first stage of the gametophyte stage in mosses is the protonema stage, which develops directly from a spore. It is a creeping, green, branched and frequently filamentous stage.

Topic: Biology, Plant Kingdom, NEET
What is the first step in breeding a new genetic variety of a crop?

Options:
A Collection of variability
B Evaluation and selection of parents
C Cross hybridization
D None of the above

The correct answer is:
Collection of variability

Solution:
The first step in breeding a new genetic variety of a crop is Collection of variability.

Topic: Biology, Strategies for Enhancement in Food Production, NEET
What is the first step in reducing noise pollution in industries?

Options:
A Enforcing laws
B Using muffling noise
C Using sound-absorbent materials
D Delimitation of horn-free zones

The correct answer is:
Using sound-absorbent materials

Solution:
Reduction of noise in industries can be affected by using sound-absorbent materials.

Topic: Biology, Environmental Issues, NEET
What is the first step in respiration?

Options:
A Exchange of oxygen and carbon dioxide between deoxygenated blood and alveoli
B Transport of gases throughout the body by blood
C Exchange of oxygen and carbon dioxide between oxygenated blood and tissues
D Breathing

The correct answer is:
Breathing

Solution:
The first step in respiration is breathing by which atmospheric air is taken in (inspiration) and the alveolar air is released out (expiration).

Topic: Biology, Breathing and Exchange of Gases, NEET
What is the first step in the free radical mechanism of polymerization?

Options:
A Chain propagating step
B Chain terminating step
C Chain initiating step
D Chain extension step

The correct answer is:
Chain initiating step

Solution:
The first step in the free radical mechanism of polymerization is the chain initiating step, where a free radical is generated, often by a free radical generating initiator.

Topic: Chemistry, Polymers, NEET
What is the first step in the Gabriel synthesis?

Options:
A Formation of the potassium salt of phthalimide
B Alkaline hydrolysis of phthalimide
C Reaction with alkyl halide
D Heating with ethanolic potassium hydroxide

The correct answer is:
Formation of the potassium salt of phthalimide

Solution:
The first step in the Gabriel synthesis involves the formation of the potassium salt of phthalimide by treating phthalimide with ethanolic potassium hydroxide.

Topic: Chemistry, Amines, NEET
What is the first step in the ozonolysis of alkenes?

Options:
A Formation of ozonide
B Cleavage of ozonide
C Addition of ozone molecule to alkene
D Reduction of ozonide by Zn-H2O

The correct answer is:
Addition of ozone molecule to alkene

Solution:
The first step in the ozonolysis of alkenes involves the addition of an ozone molecule to the alkene to form an ozonide.

Topic: Chemistry, Hydrocarbons, NEET
What is the first step in the process of plant growth?

Options:
A Seed germination
B Plant organ formation
C Growth of leaves
D Flowering

The correct answer is:
Seed germination

Solution:
The first step in the process of plant growth is seed germination, which takes place when favorable conditions for growth exist in the environment.

Topic: Biology, Plant - Growth and Development, NEET
What is the first step in the process of pollination?

Options:
A Germination of pollen grains on the stigma
B Growth of pollen tubes through the style and ovule
C Fusion of the male gamete with the egg cell
D Development of the ovules into seeds

The correct answer is:
Germination of pollen grains on the stigma

Solution:
Pollination begins with the germination of pollen grains on the stigma, which is the receptive surface of the female reproductive structure.

Topic: Biology, Plant Kingdom, NEET
What is the first step in the process of respiration?

Options:
A Diffusion of gases across alveolar membrane
B Breathing or pulmonary ventilation
C Transport of gases by the blood
D Utilisation of O₂ by the cells

The correct answer is:
Breathing or pulmonary ventilation

Solution:
The first step in the process of respiration is breathing or pulmonary ventilation, which involves drawing in atmospheric air and releasing CO₂ rich alveolar air.

Topic: Biology, Breathing and Exchange of Gases, NEET
What is the first step in the reaction of Grignard reagents with aldehydes and ketones?

Options:
A Formation of a tertiary alcohol
B Nucleophilic addition of Grignard reagent to the carbonyl group
C Formation of an alkene
D Hydrolysis of the adduct

The correct answer is:
Nucleophilic addition of Grignard reagent to the carbonyl group

Solution:
The first step in the reaction is the nucleophilic addition of the Grignard reagent to the carbonyl group of the aldehyde or ketone.

Topic: Chemistry, Alcohols Phenols and Ethers, NEET
What is the first step in the waste disposal process?

Options:
A Sorting out garbage at the disposal site.
B Collecting domestic waste in small bins.
C Depositing biodegradable waste in landfills.
D Recycling non-biodegradable materials.

The correct answer is:
Collecting domestic waste in small bins.

Solution:
The first step in the waste disposal process is collecting domestic waste in small bins.

Topic: Chemistry, Environmental Chemistry, NEET
What is the first step in urine formation in the human body?

Options:
A Reabsorption
B Secretion
C Glomerular filtration
D Collection

The correct answer is:
Glomerular filtration

Solution:
The first step in urine formation in the human body is the filtration of blood, which is carried out by the glomerulus and is called glomerular filtration.

Topic: Biology, Excretory Products and their Elimination, NEET
What is the first step of the Calvin pathway?

Options:
A The reaction where RuBP combines with O₂ to form phosphoglycerate and phosphoglycolate
B The reaction where RuBP combines with CO₂ to form 2 molecules of 3PGA
C The release of CO₂ from the breakdown of C₄ acid in bundle sheath cells
D The reaction where RuBP combines with CO₂ to form PGA

The correct answer is:
The reaction where RuBP combines with CO₂ to form 2 molecules of 3PGA

Solution:
The first step of the Calvin pathway is the reaction where RuBP combines with CO₂ to form 2 molecules of 3PGA, which is catalysed by RuBisCO.

Topic: Biology, Photosynthesis in Higher Plants, NEET
What is the first step of the respiratory pathway for other substrates?

Options:
A Conversion into glucose
B Degradation into acetyl CoA
C Degradation into glycerol
D Entry at a different step than the first step

The correct answer is:
Entry at a different step than the first step

Solution:
Other substrates can also be respired, but they do not enter the respiratory pathway at the first step.

Topic: Biology, Respiration in Plants, NEET
What is the first step of the TCA cycle?

Options:
A Decarboxylation of isocitrate
B Synthesis of ATP from ADP
C Reduction of NAD⁺ to NADH + H⁺
D Condensation of acetyl group with oxaloacetic acid (OAA)

The correct answer is:
Condensation of acetyl group with oxaloacetic acid (OAA)

Solution:
The TCA cycle starts with the condensation of acetyl group with oxaloacetic acid (OAA) and water to yield citric acid.

Topic: Biology, Respiration in Plants, NEET
What is the first step that takes place after the formation of acetyl CoA?

Options:
A Tricarboxylic acid cycle
B Glycolytic catabolism
C Oxidative decarboxylation
D None of the above

The correct answer is:
Tricarboxylic acid cycle

Solution:
After the formation of acetyl CoA, it enters a cyclic pathway called the tricarboxylic acid cycle.

Topic: Biology, Respiration in Plants, NEET
What is the first thing to look at in an ecosystem?

Options:
A Energy flows
B Relationships
C Structure
D Input and output

The correct answer is:
Structure

Solution:
The first thing to look at in an ecosystem is its structure, in order to appreciate the input (productivity), transfer of energy (food chain/web, nutrient cycling), and the output (degradation and energy loss).

Topic: Biology, Ecosystem, NEET
What is the first vertebra of the vertebral column called?

Options:
A Atlas
B Occipital
C Thoracic
D Lumbar

The correct answer is:
Atlas

Solution:
The first vertebra is the atlas and it articulates with the occipital condyles.

Topic: Biology, Locomotion and Movement, NEET
What is the first word in a biological name called?

Options:
A Specific epithet
B Genus
C Latin
D Origin

The correct answer is:
Genus

Solution:
The first word in a biological name represents the genus.

Topic: Biology, The Living World, NEET
What is the fishery industry related to?

Options:
A Catching of animals
B Processing of animals
C Selling of animals
D All of the above

The correct answer is:
All of the above

Solution:
Fishery is an industry devoted to the catching, processing or selling of fish, shellfish or other aquatic animals.

Topic: Biology, Strategies for Enhancement in Food Production, NEET
What is the flexibility of low-density polythene (LDP)?

Options:
A Rigid and inflexible
B Semi-rigid and semi-flexible
C Highly flexible and elastic
D Brittle and prone to cracking

The correct answer is:
Highly flexible and elastic

Solution:
Low-density polythene (LDP) is highly flexible and elastic in nature.

Topic: Chemistry, Polymers, NEET
What is the flow of energy in an ecosystem, starting from the sun?

Options:
A From sun to consumers to producers
B From consumers to producers to sun
C From producers to consumers to sun
D From sun to producers to consumers

The correct answer is:
From sun to producers to consumers

Solution:
The flow of energy in an ecosystem starts from the sun, then goes to producers and finally to consumers.

Topic: Biology, Ecosystem, NEET
What is the flowering pattern of bamboo species?

Options:
A Flowers throughout the year
B Flowers once a year
C Flowers once in 50-100 years
D Flowers every 12 years

The correct answer is:
Flowers once in 50-100 years

Solution:
Bamboo species flower only once in their lifetime, generally after 50-100 years.

Topic: Biology, Reproduction in Organisms, NEET
What is the fluid in the lymphatic system called?

Options:
A Lymph
B Plasma
C Tissue fluid
D Interstitial fluid

The correct answer is:
Lymph

Solution:
The fluid in the lymphatic system is called lymph.

Topic: Biology, Body Fluids and Circulation, NEET
What is the fluid matrix filling the prokaryotic cell called?

Options:
A Cytoskeleton
B Nuclear membrane
C Cytoplasm
D Mesosome

The correct answer is:
Cytoplasm

Solution:
The fluid matrix filling the prokaryotic cell is called cytoplasm.

Topic: Biology, Cell - The Unit of Life, NEET
What is the fluid outside the axon in a resting state composed of?

Options:
A Low concentration of K⁺ and high concentration of Na⁺
B High concentration of K⁺ and low concentration of Na⁺
C Low concentration of both K⁺ and Na⁺
D High concentration of both K⁺ and Na⁺

The correct answer is:
Low concentration of K⁺ and high concentration of Na⁺

Solution:
The fluid outside the axon in a resting state contains a low concentration of K⁺, a high concentration of Na⁺ and thus form a concentration gradient.

Topic: Biology, Neural Control and Coordination, NEET
What is the fluid that moves out of capillaries into tissues called?

Options:
A Plasma
B Tissue fluid
C Lymph
D Interstitial fluid

The correct answer is:
Interstitial fluid

Solution:
The fluid that moves out of capillaries into tissues is called the interstitial fluid or tissue fluid.

Topic: Biology, Body Fluids and Circulation, NEET
What is the flux through a cube of side $a$ if a point charge of $q$ is a one of its corner?

Options:
A $\frac{2 q}{\varepsilon_0}$
B $\frac{q}{8 \varepsilon_0}$
C $\frac{q}{\varepsilon_0}$
D $\frac{q}{2 \varepsilon_0} 6 a^2$

The correct answer is:
$\frac{q}{8 \varepsilon_0}$

Solution:
Charge enclosed $=q / 8$
$\begin{aligned}
& \text {Therefore, flux } \\
& \phi =\frac{q_{\text {enclosed }}}{\varepsilon_0} \\
& \phi =\frac{q}{8 \varepsilon_0}
\end{aligned}$

Topic: Physics, Electrostatics, NEET, NEET 2012 (Screening)
What is the focal length of a convex lens in water if its focal length in air is 20 cm? (Given: Refractive index of air-water = 1.33, refractive index for air-glass = 1.5.)

Options:
A 24.0 cm
B 22.0 cm
C 78.2 cm
D 19.4 cm

The correct answer is:
78.2 cm

Solution:
Correct Option is : (C)
78.2 cm

Topic: Chemistry, Ray Optics, NEET
What is the focal length of the convex lens used in this scenario where an object placed 90cm away from it forms an image at two different locations separated by 20cm?

Options:
A 21.4 cm
B 90 cm
C 110 cm
D 70 cm

The correct answer is:
21.4 cm

Solution:
Correct Option is : (A)
21.4 cm

Topic: Chemistry, Ray Optics, NEET
What is the focus of dairy farm management?

Options:
A To increase yield and improve quality of milk
B To breed animals for wool
C To rear fish and molluscs
D To breed horses

The correct answer is:
To increase yield and improve quality of milk

Solution:
The focus of dairy farm management is to increase yield and improve quality of milk.

Topic: Biology, Strategies for Enhancement in Food Production, NEET
What is the focus of the Lewis-Langmuir theory?

Options:
A The formation of ionic compounds
B The formation of metallic compounds
C The formation of covalent bonds
D The formation of noble gases

The correct answer is:
The formation of covalent bonds

Solution:
The Lewis-Langmuir theory can be understood by considering the formation of covalent bonds.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What is the focus of the second law of thermodynamics regarding exothermic reactions?

Options:
A The heat released by exothermic reactions.
B The heat absorbed by exothermic reactions.
C The decrease in entropy during exothermic reactions.
D The rarity of exothermic reactions.

The correct answer is:
The heat released by exothermic reactions.

Solution:
The second law of thermodynamics focuses on the heat released by exothermic reactions and its effect on entropy and spontaneity.

Topic: Chemistry, Thermodynamics (C), NEET
What is the following is correct for the movement of DNA fragments on agarose gel during gel electrophoresis?

Options:
A The larger the fragment size, the farther it moves
B The smaller the fragment size, the farther it moves
C Positively charged fragments move to farther end
D Negatively charged fragments do not move

The correct answer is:
The smaller the fragment size, the farther it moves

Solution:
Gel electrophoresis is used for the separation of molecules of similar electric charges on the basis of their size. Hence, smaller the DNA fragment size the farther it moves.

Topic: Biology, Biotechnology - Principles and Processes, NEET, NEET 2017
What is the following is correct for the movement of DNA fragments on agarose gel during gel electrophoresis?

Options:
A The larger the fragment size, the farther it moves
B The smaller the fragment size, the farther it moves
C Positively charged fragments move to farther end
D Negatively charged fragments do not move

The correct answer is:
The smaller the fragment size, the farther it moves

Solution:
Gel electrophoresis is used for the separation of molecules of similar electric charges on the basis of their size. Hence, smaller the DNA fragment size the farther it moves.

Topic: Biology, Biotechnology - Principles and Processes, NEET
What is the food source for saprophytes?

Options:
A Directly from plants
B Indirectly from plants
C Dead and decaying matter
D By photosynthesis

The correct answer is:
Dead and decaying matter

Solution:
Saprophytes like fungi are dependent on dead and decaying matter as their food source.

Topic: Biology, Respiration in Plants, NEET
What is the food stored in red algae?

Options:
A Glucose
B Cellulose
C Floridean starch
D None

The correct answer is:
Floridean starch

Solution:
The food is stored as floridean starch which is very similar to amylopectin and glycogen in structure.

Topic: Biology, Plant Kingdom, NEET
What is the force acting on a mass 2m placed at the centroid G of the triangle formed by three equal masses of m kg each at the vertices of an equilateral triangle ABC?(Take AG = BG = CG = 1 m )

Options:
A Zero
B 2/3 mg in the direction of BG
C mg in the direction of BG
D mg in the direction of BC

The correct answer is:
Zero

Solution:
Correct Option is : (A)
Zero

Topic: Chemistry, Gravitation, NEET
What is the force acting on a particle of mass m described by the equation y = (1/2)ut^2 + (1/2)gt^2?

Options:
A F = 0
B F = mg
C F = mgt
D F = mu

The correct answer is:
F = mg

Solution:
Correct Option is : (B)
F = mg

Topic: Chemistry, Laws of Motion, NEET
What is the force and torque acting on a closely wound solenoid with 2000 turns, a cross-sectional area of 1.6 × 10-4m2, and carrying a current of 4.0 A, when it is suspended through its center and allowed to turn in a horizontal plane, in the presence of a uniform horizontal magnetic field of 7.5 × 10-2T at an angle of 30° with the axis of the solenoid?

Options:
A Force is 0.048 N; torque = 0.048 Nm
B Force is 0.048 N; torque is zero
C Force is zero; torque is zero
D Force is zero; torque = 0.048 Nm

The correct answer is:
Force is zero; torque = 0.048 Nm

Solution:
Correct Option is : (D)
Force is zero; torque = 0.048 Nm

Topic: Chemistry, Magnetic Properties of Matter, NEET
What is the force exerted at point O2 due to the wire along the x-axis in the configuration described in Fig. 4.1, where two long wires carrying currents I1 and I2 are positioned such that the one carrying current I1 is along the x-axis and the other carrying current I2 is along a line parallel to the y-axis given by x = 0 and z = d?

Options:
A Zero
B Non-zero and along the x-axis
C Non-zero and along the y-axis
D Non-zero and along the z-axis

The correct answer is:
Zero

Solution:
Correct Option is : (A)
Zero

Topic: Chemistry, Magnetic Effects of Current, NEET
What is the force exerted by a photon of intensity 1.4 kW m-2 if it falls on a perfect absorber of radius 2 m?

Options:
A 2.35×10-4 N
B 108 N
C 8.35×104 N
D 8.8×10-8 N

The correct answer is:
2.35×10-4 N

Solution:
Fex=Pc=IAc
I=1.4Ã103 W m-2
A=4Ïr2=4Ã3.14Ã22 m2
Fex=2.35Ã10-4 N

Topic: Physics, Dual Nature of Matter, NEET
What is the force exerted by compressed air (F1) on a small piston with a radius of 5.0 cm when lifting a car with a mass of 1350 kg in a car lift, and what is the pressure necessary to accomplish this task, assuming g = 9.8 m/s^2?

Options:
A F1 = 1.5 × ${{10}^{3}}$N, Pressure = 1.9 × ${{10}^{5}}$ Pa
B F1 = 1.5 × ${{10}^{3}}$N, Pressure = 1.1 × ${{10}^{5}}$ Pa
C F1 = 1.4 × ${{10}^{3}}$N, Pressure = 1.9 × ${{10}^{5}}$ Pa
D F1 = 1.4 × ${{10}^{3}}$N, Pressure = 1.1 × ${{10}^{5}}$ Pa

The correct answer is:
F1 = 1.5 × ${{10}^{3}}$N, Pressure = 1.9 × ${{10}^{5}}$ Pa

Solution:
Correct Option is : (A)
F1 = 1.5 × ${{10}^{3}}$N, Pressure = 1.9 × ${{10}^{5}}$ Pa

Topic: Chemistry, Mechanical Properties of Fluids, NEET
What is the force exerted by the level ground on each front wheel and each back wheel of a car that weighs 1800 kg, has a distance of 1.8 m between its front and back axles, and has its center of gravity located 1.05 m behind the front axle?

Options:
A 4500 N on each front wheel, 4500 N on each back wheel
B 3675 N on each front wheel, 5145 N on each back wheel
C 2700 N on each front wheel, 6300 N on each back wheel
D 4500 N on each front wheel, 2700 N on each back wheel

The correct answer is:
3675 N on each front wheel, 5145 N on each back wheel

Solution:
Correct Option is : (B)
3675 N on each front wheel, 5145 N on each back wheel

Topic: Chemistry, Rotational Motion, NEET
What is the force exerted on the larger piston when a 10 N force is applied to the smaller piston connected by a tightly fitted rubber tube filled with water, given that the diameters of the smaller and larger pistons are 1.0 cm and 3.0 cm respectively?

Options:
A 90 N
B 30 N
C 10 N
D 3.33 N

The correct answer is:
90 N

Solution:
Correct Option is : (A)
90 N

Topic: Chemistry, Mechanical Properties of Fluids, NEET
What is the force of friction acting on the car during the test drive, assuming the efficiency of the car engine is 0.5, and it runs 15 km per litre while moving with a uniform speed on a straight track, considering that on complete combustion, a litre of petrol gives off heat equivalent to 3×107 J and the car weighs 1200 kg, including the mass of the driver?

Options:
A 500 N
B 750 N
C 1000 N
D 1250 N

The correct answer is:
1000 N

Solution:
Correct Option is : (C)
1000 N

Topic: Chemistry, Work Power Energy, NEET
What is the force on each charge when charges q, q, and -q are placed at the vertices of an equilateral triangle?

Options:
A Zero
B Attractive
C Repulsive
D Indeterminate

The correct answer is:
Repulsive

Solution:
Correct Option is : (C)
Repulsive

Topic: Chemistry, Electrostatics, NEET
What is the force on the floor of the helicopter by the crew and passengers if a helicopter of mass 2000 kg rises with a vertical acceleration of 15 m/s² and the total mass of the crew and passengers is 500 kg, considering g = 10 m/s2?

Options:
A 12.5 × 10³ N
B 10 × 10³ N
C 15 × 10³ N
D 7.5 × 10³ N

The correct answer is:
12.5 × 10³ N

Solution:
Correct Option is : (A)
12.5 × 10³ N

Topic: Chemistry, Laws of Motion, NEET
What is the force per unit length on a very long straight conductor carrying a steady current of 1A, when it is placed on a horizontal table with the direction of the current from east to west, in a location where the horizontal component of the Earth's magnetic field is 3.0 × 10–5T, directed from geographic south to geographic north?

Options:
A 0 N/m
B 1 × 10–5N/m
C 2 × 10–5N/m
D 3 × 10–5N/m

The correct answer is:
2 × 10–5N/m

Solution:
Correct Option is : (C)
2 × 10–5N/m

Topic: Chemistry, Magnetic Effects of Current, NEET
What is the form in which magnesium is absorbed by plants?

Options:
A Magnesium Ion (Mg+)
B Magnesium Ion (Mg²⁺)
C Magnesium Ion (Mg³⁺)
D Magnesium Ion (Mg⁴⁺)

The correct answer is:
Magnesium Ion (Mg²⁺)

Solution:
Magnesium is absorbed by plants in the form of divalent Mg²⁺.

Topic: Biology, Mineral Nutrition, NEET