The recently-concluded medical entrance exam — National Eligibility Entrance Test (NEET) UG 2022 was tougher than last year. The question paper, however, had some basic questions which could act as common questions for competitive exams as well such as UPSC, IBPS. Aspirants of NEET 2023 and other competitive exams, would you be able to solve these medical brain teasers given below:
1: As the temperature increases, the electrical resistance
(1) Increases for conductors but decreases for semiconductors
(2) Decreases for conductors but increases for semiconductors
(3) Increases for both conductors and semiconductors
(4) Decreases for both conductors and semiconductors
Answer (1)
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2: If a soap bubble expands, the pressure inside the bubble
(1) Remains the same
(2) Is equal to the atmospheric pressure
(3) Decreases
(4) Increases
Answer (3)
3: Plane angle and solid angle have:
(1) No units and no dimensions
(2) Both units and dimensions
(3) Units but no dimensions
(4) Dimensions but no units
Answer (3)
4: Which statement regarding polymers is not correct?
(1) Thermoplastic polymers are capable of repeatedly softening and hardening on heating and cooling respectively
(2) Thermosetting polymers are reusable
(3) Elastomers have polymer chains held together by weak intermolecular forces
(4) Fibers possess high tensile strength
Answer (2)
5: The incorrect statement regarding enzymes is
(1) Enzymes are polysaccharides.
(2) Enzymes are very specific for a particular reaction and substrate.
(3) Enzymes are biocatalysts.
(4) Like chemical catalysts enzymes reduce the activation energy of bio processes.
Answer (1)
6: Identify the incorrect statement related to Pollination:
(1) Flowers produce foul odours to attract flies and beetles to get pollinated
(2) Moths and butterflies are the most dominant pollinating agents among insects
(3) Pollination by water is quite rare in flowering plants
(4) Pollination by wind is more common amongst abiotic pollination
Answer (2)
7: “Girdling Experiment” was performed by Plant Physiologists to identify the plant tissue through which:
(1) for both water and food transportation
(2) osmosis is observed
(3) water is transported
(4) food is transported
Answer (4)
8: In-situ conservation refers to:
(1) Conserve only endangered species
(2) Conserve only extinct species
(3) Protect and conserve the whole ecosystem
(4) Conserve only high-risk species
Answer (3)
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9: Which of the following is not a connective tissue?
(1) Cartilage
(2) Neuroglia
(3) Blood
(4) Adipose tissue
Answer (2)
10: At which stage of the life the oogenesis process is initiated?
(1) Birth
(2) Adult
(3) Puberty
(4) Embryonic development stage
Answer (4)
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