High Order Thinking Skills (HOTs) - 3 - Class 9 MCQ
10 Questions MCQ Test - High Order Thinking Skills (HOTs) - 3
Read the given passage where few words are italicized and select the correct statement regarding them.
The atomic number of an element is defined as the number of protons present in the nucleus of an atom. Isotopes of an element have the same atomic number but different mass numbers. The atomic mass of an element is the weighted average mass of all the isotopes of that element.
The atomic number of an element is defined as the number of protons present in the nucleus of an atom. Isotopes of an element have the same atomic number but different mass numbers. The atomic mass of an element is the weighted average mass of all the isotopes of that element.
Read the given passage where few words are italicized and select the correct statement regarding them.
Acids turn blue litmus paper red and have a pH less than 7. Bases turn red litmus paper blue and have a pH greater than 7. Neutral solutions do not change the color of litmus paper and have a pH of 7.
Acids turn blue litmus paper red and have a pH less than 7. Bases turn red litmus paper blue and have a pH greater than 7. Neutral solutions do not change the color of litmus paper and have a pH of 7.
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Read the given passage where few words are italicized and select the correct statement regarding them.
Photosynthesis occurs in the chloroplasts of plant cells. It is a process by which plants convert carbon dioxide and water into glucose and oxygen using sunlight. Chlorophyll, the green pigment in plants, plays a vital role in this process.
Photosynthesis occurs in the chloroplasts of plant cells. It is a process by which plants convert carbon dioxide and water into glucose and oxygen using sunlight. Chlorophyll, the green pigment in plants, plays a vital role in this process.
Read the given passage where few words are italicized and select the correct statement regarding them.
Newton's second law of motion states that the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. This law can be mathematically expressed as F = ma.
Read the given passage where few words are italicized and select the correct statement regarding them.
The human heart is a muscular organ that pumps blood throughout the body. It consists of four chambers: two atria and two ventricles. The right side of the heart receives deoxygenated blood from the body, while the left side pumps oxygenated blood to the body.
For a particle moving along the positive x-axis from origin to x = x1, the variation of the magnitude of force on the particle is depicted in the given graphs. The force is parallel to the x-axis and is conservative. The maximum magnitude of force F1 has the same value for all the graphs.
On the basis of given graphs, which of the following statements are correct?
(i) The change in potential energy is maximum in graph II.
(ii) The change in potential energy is minimum in graph II.
(iii) The change in potential energy is greater in graph III as compared to graph I.
(iv) The change in potential energy is smaller in graph III as compared to graph I.
A spherical ball of mass 0.5 kg is dropped in air and it strikes a pond as shown in the figure (a). A graph of the kinetic energy of the ball against the distance descended is shown in the figure (b).
Fill in the blanks by selecting the correct option. (Take g = 10 m/s2)
The height above the surface of the pond from where the ball has been dropped is (i) m. The average
acceleration of the ball in first part of the graph (OP) is (ii) ms–2. The average resistive force provided
by the water against the ball during the journey from P to Q is (iii) N.
Refer to the given figure and identify the labelled parts (V-Z).
Now, select the incorrect statement regarding V-Z.
Refer to the given flow chart and select the incorrect statement regarding it.
The schematic atomic structures of four elements T, U, V and W are given as :
Select the incorrect statements regarding the given elements.
I. T and V combine to form T3V type compound.
II. T and W form cations while U and V form anions.
III. U and V combine to form UV3 type compound.
IV. V will gain two electrons while W will lose one electron to form a stable compound.
V. U and W combine to form U2W type compound.
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