What will be the value of 9.99 m–0.0099 m?
(A) 9.9 m
(B) 9.98 m
(C) 9.980 m
(D) 9.9801 m
The Correct Answer is (B) 9.98 m.
Which of the following sentences is true about the negative temperature coefficient of resistance?
(A) The insulators have a negative temperature coefficient of resistance
(B) The solid metals have a negative temperature coefficient of resistance
(C) The semiconductors have a negative temperature coefficient of resistance
(D) Both the insulators and semiconductors have a negative temperature coefficient of resistance
The Correct Answer is (D) Both the insulators and semiconductors have a negative temperature coefficient of resistance.
A capillary tube of radius r is immersed in water, and water rises to a height of h. The mass of the water in the capillary is 5g. Another capillary tube of radius 2r is immersed in water. The mass of water that will rise in this tube is:
(A) 2.5 gm
(B) 5.0 gm
(C) 10.0 gm
(D) 20.0 gm
The Correct Answer is (C) 10.0 gm.
Solution
Therefore,
Which of the statements is true about Kepler’s second law?
(A) Kepler’s second law is known as the Law of Areas
(B) Kepler’s 2nd law deals with the speed/area the planet travels
(C) The line joining the planet to the sun sweeps out equal areas in an equal interval of time
(D) All of these
The Correct Answer is (D) All of these.
The chemical reactions in which reactants need a high amount of activation energy are generally
(A) Fast
(B) Slow
(C) Very fast
(D) None of these
The Correct Answer is (B) Slow.
What is the range of pH scales?
(A) 0 to 10
(B) 0 to 14
(C) 7 to 10
(D) 7 to 14
The Correct Answer is (B) 0 to 14.
Which of the following compounds has an angle of 180°?
(A) Alkene
(B) Alkane
(C) Alkyne
(D) Cycloalkane
The Correct Answer is (C) Alkyne.
Which of the following chemical processes is used in converting liquid hydrocarbons into a mixture of gaseous hydrocarbons?
(A) Cracking
(B) Oxidation
(C) Hydrolysis
(D) Distillation
The Correct Answer is (A) Cracking.
Which of the following salt is not hygroscopic?
(A) KCl
(B) MgCl
(C) NaCl
(D) (NH4)2SO4
The Correct Answer is (C) NaCl.
Which of the following statements is true about olericulture?
(A) Olericulture refers to the cultivation of fruits
(B) Olericulture refers to the cultivation of vegetables
(C) Olericulture refers to the cultivation of cash crops
(D) None of these
The Correct Answer is (B) Olericulture refers to the cultivation of vegetables.
The first person to discover Mycobacterium tuberculosis was _____.
(A) Robert Koch
(B) Edward Jenner
(C) William Harvey
(D) Alexander Fleming
The Correct Answer is (A) Robert Koch.
Plague is a bacterial infectious disease most often transmitted by the bite of______.
(A) Rat flea
(B) Mosquito
(C) Housefly
(D) Tse-tse fly
The Correct Answer is (A) Rat flea.
The most common characteristic of kangaroo, parrot and platypus is _____.
(A) Oviparity
(B) Hind limb
(C) Homeothermy
(D) Jaws without teeth
The Correct Answer is (C) Homeothermy.
Which of the following statements is true about glycolysis?
(A) It is the conversion of glucose into pyruvate
(B) Glycolysis pathway can take place aerobically and anaerobically
(C) Phosphoenolpyruvate acts as the second source of ATP in glycolysis
(D) All of these
The Correct Answer is (D) All of these
Which of the following crops is an underutilised oil crop?
(A) Helianthus annuus
(B) Cocos nucifera
(C) Azadirachta indica
(D) Brassica campestris
The Correct Answer is (C) Azadirachta indica.
Which of these lights is the most effective for the opening of stomata?
(A) Red
(B) Blue
(C) Green
(D) All of these
The Correct Answer is (B) Blue.
Fertility in women is impaired by_____.
(A) Hernia
(B) Obesity
(C) Gallstones
(D) High blood pressure
The Correct Answer is (B) Obesity.
Which of the following statements is true about the mitochondria?
(A) It is associated with ATP production
(B) It is involved in the electron transport chain
(C) Its outer membrane is permeable to all molecule types
(D) All of these.
The Correct Answer is (D) All of these.
Which of the following species is not a living fossil?
(A) King crab
(B) Peripatus
(C) Sphenodon
(D) Archaeopteryx
The Correct Answer is (D) Archaeopteryx.
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These were a few solved important questions for NEET 2023. Students can practise more by solving NEET MCQs, at BYJUS.
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